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2013年11月29日星期五

CompTIA certification PD1-001 exam training programs

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Exam Code: PD1-001
Exam Name: CompTIA (CompTIA PDI+ Beta Exam)
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Total Q&A: 861 Questions and Answers
Last Update: 2013-11-29

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NO.1 Which of the following is a reason black toner is used in color printers?
A.It decreases the print speed in color laser printers.
B.It prevents moir patterns when printing color photographs.
C.It reduces the cost per page when printing gray scale documents.
D.It makes the color toner resistant to smudging when wet.
Answer: C

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NO.2 An encoder sensor typically detects:
A.paper position.
B.shaft rotation.
C.magnetic flux.
D.laser beam strength.
Answer: B

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NO.3 Which of the following components is part of the ink dispersion system?
A.Print Heads
B.Cleaning heads
C.Pickup Roller
D.Charge Assembly
Answer: A

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NO.4 When is it advisable to dump the waste toner from a technicians service vacuum?
A.When it is full.
B.It is not recommended.
C.Before performing preventative maintenance.
D.After each call.
Answer: B

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NO.5 A customer has installed a new computer on their network. They can print to the printer but the option
for duplex printing is not available. All other computers have the option. Which of the following is the
cause of the problem?
A.The new computer is printing to the wrong IP address.
B.The new computer is using the wrong protocol.
C.The driver port is not setup correctly.
D.The option has not been selected on the driver.
Answer: D

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NO.6 Which of the following utilities could be used to determine a subnet mask?
A.PING
B.NSLOOKUP
C.TRACERT
D.IPCONFIG
Answer: D

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NO.7 The polygon mirror is located in which of the following components?
A.Developer unit
B.Scanner unit
C.Fuser unit
D.Laser unit
Answer: D

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NO.8 A customer is concerned about excessive media jamming in their device. Which of the following is the
FIRST thing a technician should check?
A.Media feed rollers
B.Cassette drawers
C.Fusing section
D.Device log data
Answer: D

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NO.9 In which of the following sections of an MFP would a technician find a Xenon Lamp?
A.The paper feed section
B.The fuser section
C.The scanner section
D.The transfer section
Answer: C

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NO.10 A polygon mirror is part of which of the following assemblies?
A.Laser unit
B.Developer unit
C.Charge assembly
D.Fuser assembly
Answer: A

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NO.11 Which of the following functions is associated with the developer unit?
A.Supplies toner to the photoconductor
B.Charges the surface of the photoconductor
C.Writes the latent image on the photoconductor
D.Cleans the photoconductor
Answer: A

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NO.12 How many CCDs are located in a single pass duplex ADF?
A.One
B.2
C.3
D.4
Answer: B

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NO.13 The customer has a dedicated ink jet fax machine that is used to send and receive faxes only from the
corporate office. The user complains of streaks on the received faxes while the internal self-prints are fine.
Which of the following should a technician recommend?
A.Clean the scanner glass on the distant machine.
B.Clean the scanner glass on the local machine.
C.Clean the printer head on the local machine.
D.Call the telephone company to increase the line signal level.
Answer: A

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NO.14 The proper safety guidelines for handling any device specific consumables can be found in which of
the following documentation?
A.Material Safety Data Sheets
B.Installation Guides
C.Consumer Reports
D.Devices Parts Catalog
Answer: A

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NO.15 Which of the following would be the BEST process for the technician to follow when beginning to
diagnose a unit at a customers site?
A.Check the printers error log, and then inform the primary user what the issue is.
B.Go directly to the printer and investigate any issues that are found.
C.Investigate the printers status, then ask the primary user to write down what they think is wrong.
D.Gather information from the primary user, and then evaluate the printers condition.
Answer: D

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NO.16 During the photoconductor preparation step, residual charge can be removed by which of the
following? (Select TWO).
A.Pressure
B.Oil
C.Light
D.Gravity
E.Electrical Charge
Answer: CE

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NO.17 Which of the following is the purpose of a torque limiter in a roller?
A.To reduce wear and tear on rollers.
B.To provide resistance but still allow some slippage.
C.To limit the amount of movement by media.
D.To make it easier to replace rollers.
Answer: B

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NO.18 A technician is troubleshooting a network connectivity issue on a MFD and would like to eliminate the
possibility of another device on the network having the same IP address. The technician should:
A.disconnect the MFD and ping the IP address.
B.disconnect the MFD and ping the subnet mask.
C.disconnect the MFD and ping the loopback address.
D.run the ipconfig command from the command prompt.
Answer: A

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NO.19 Which of the following stages in the laser print process attracts toner to the latent image on the
photoconductor?
A.Writing
B.Fusing
C.Development
D.Transfer
Answer: C

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NO.20 Using the CMYK color model, the color purple is produced by combining cyan and which other color?
A.Green
B.Magenta
C.Yellow
D.Black
Answer: B

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Exam FC0-U21 VCE

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Exam Code: FC0-U21
Exam Name: CompTIA (Fundamentals of Technology)
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Total Q&A: 246 Questions and Answers
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NO.1 Which of the following is not measured by the digital pocket multimeter?
A. Cable continuity
B. Bad sectors on hard disk
C. Power connectors' voltage
D. Power supply voltage
Answer: B

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NO.2 Which of the following software is stored in a computer's read-only memory (ROM) and remains stored
in it regardless of whether it is on or off?
A. Shareware
B. Firmware
C. Freeware
D. Adware
Answer: B

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NO.3 What is the maximum data transfer rate supported by IEEE 1394b port?
A. 256 Kbps
B. 800 Mbps
C. 256 Mbps
D. 400 Mbps
Answer: B

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NO.4 Which of the following components of a laptop is NOT upgradeable?
A. RAM
B. NIC
C. Hard disk
D. Motherboard
Answer: D

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NO.5 Which of the following is an interface that is used to connect a hard disk drive to a computer?
A. MCA
B. IDE
C. PCI
D. AT
Answer: B

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NO.6 Which of the following types of formatting can only be done by the manufacturer?
A. Quick formatting
B. High-level formatting
C. Low-level formatting
D. Initial-level formatting
Answer: C

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NO.7 Which of the following is a video capture device connected to a computer or computer network?
A. Web camera
B. USB optical drive
C. Camcorder
D. Digital camera
Answer: A

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NO.8 Which of the following PC components has an air filter?
A. Processor
B. LAN Card
C. RAM
D. HDD
Answer: D

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NO.9 Which of the following devices allows television signals to be received by a computer?
A. Sound card
B. Webcam
C. Tuner card
D. Video card
Answer: C

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NO.10 Which of the following terms refers to printing on both sides of the paper?
A. Duplex printing
B. Simplex printing
C. Dual printing
D. Multiplex-printing
Answer: A

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NO.11 How many keys does a computer keyboard have?
A. 85
B. 112
C. 104
D. 64
Answer: C

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NO.12 Which of the following devices is incorporated into many devices ranging from PDAs to mobile
phones?
A. Digital camera
B. Printer
C. Scanner
D. Bar code reader
Answer: A

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NO.13 Which of the following is the process of bypassing the CPU?
A. Caching
B. DMA
C. Spoofing
D. Spooling
Answer: B

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NO.14 Which of the following is NOT an analog display standard?
A. VGA
B. DVI
C. CGA
D. SVGA
Answer: B

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NO.15 Which of the following is NOT an expansion slot?
A. EISA
B. AGP
C. PCIe
D. USB
Answer: D

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NO.16 Which of the following ports uses a 9-pin interface?
A. USB
B. SCSI
C. 1394b
D. Serial
Answer: C

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NO.17 Which of the following devices uses charge-coupled device (CCD)?
A. Touch screen
B. Printer
C. Touchpad D. Image Scanner
Answer: D

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NO.18 Which of the following expansion buses is used in Laptops?
A. PCI
B. PCMCIA
C. MCA
D. ISA
Answer: B

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NO.19 Which of the following key combinations is used to open the Start menu?
A. Ctrl+z
B. Ctrl+r
C. Ctrl+Alt+z
D. Ctrl+Esc
Answer: D

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NO.20 Which of the following PC components has an air filter?
A. RAM
B. HDD
C. CD-ROM
D. CPU
Answer: B

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NO.21 Which of the following uses hard disk drive space to provide extra memory for a computer?
A. File system
B. RAM
C. Virtual memory
D. Cluster
Answer: C

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NO.22 Which of the following is NOT a parallel port mode?
A. EPP/ECP
B. ECP
C. EPS
D. EPP
Answer: C

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NO.23 Which of the following is a pointing device offered in laptops?
A. Mouse
B. Cursor
C. Touch pad
D. Keyboard
Answer: C

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NO.24 Which of the following is known as Memory Controller Hub?
A. North bridge
B. South bridge
C. Address bus
D. CPU
Answer: A

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NO.25 Identify whether the statement given below is true of false.
"A Secure Digital (SD) card is slightly thicker than a MultiMedia Card (MMC)."
A. False
B. True
Answer: B

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NO.26 How many colors you can have in a 24-bit color system?
A. 65,536
B. 24,000,000
C. 16,777,216
D. 36,733,216
Answer: C

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NO.27 Which of the following is NOT an expansion slot?
A. MCA
B. EISA
C. PCI
D. USB
Answer: D

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NO.28 How many read/write heads does a hard disk drive have for each platter surface?
A. 16
B. 1
C. 4
D. 2
Answer: B

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NO.29 What amount of data can a sector hold?
A. 1000 bytes
B. 512 bytes
C. 625 bytes
D. 1024 bytes
Answer: B

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NO.30 Which of the following ports uses a 6-pin interface?
A. 1394a
B. Parallel
C. Serial
D. 1394b
Answer: A

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NO.1 Which of the following devices is used to make decisions based on MAC addresses and is considered
the most appropriate device to use when limiting broadcast domains for devices that will process voice
data?
A. Layer 3 switch
B. Repeater
C. Layer 2 switch
D. MCU
Answer: C

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NO.2 You have just set up a wireless network for customers at a coffee shop. Which of the following are
good security measures to implement?
Each correct answer represents a complete solution. Choose two.
A. Not broadcasting SSID
B. MAC filtering the router
C. Using WEP encryption
D. Using WPA encryption
Answer: CD

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NO.3 Which of the following devices is used to create VLANs in a small network?
A. Repeater
B. Switch
C. Hub
D. Bridge
Answer: B

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NO.4 Which of the following are endpoints in Cisco Unified Communications?
Each correct answer represents a complete solution. Choose two.
A. Switches
B. Routers
C. Gateways
D. IP phones
Answer: CD

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NO.5 You work as a network consultant for Net World International. You are designing a network for a client
company. The proposed network will use a class B address for its network. The network will be divided
into thirty-two subnets. Which of the following subnet masks will you use to design the network?
A. 255.255.252.0
B. 255.252.0.0
C. 255.255.248.0
D. 255.248.0.0
Answer: A

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NO.6 Andrewis working for a television station in NorthAmerica and South America. What video standardis
more possibly be used with the video stored in the archives of these stations?
A. PAL
B. NTSC
C. SECAM
D. IEEE 1394
Answer: B

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NO.7 Which of the following protocols is used by VoIP applications for communication initiation in the
network?
A. TLS
B. NTP
C. SIP
D. SSH
Answer: C

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NO.8 Which of the following are examples of interactive communication?
Each correct answer represents a complete solution. Choose all that apply.
A. Video Conferencing
B. E-mail
C. Fax
D. Phone call
Answer: AD

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NO.9 Youwork as a NetworkAdministrator for McNeil Inc.Thecompany hasa TCP/IP-based network.
Performance of the network is slow because of heavy traffic.A hub is used as a central connectingdevice
in the network. Which of the following devices can be used in place of a hub to control thenetwork traffic
efficiently?
A. Repeater
B. Router
C. Switch
D. Bridge
Answer: C

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NO.10 Which of the following ITU standards specifies PCM voice coding at 64 kbps?
A. G.726
B. G.728
C. G.729
D. G.711
Answer: D

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NO.11 When a phoneislifted off-hook, it connects the two wires causing an electrical signal to flowfromthe
phone exchange to thephone. What is this electrical signal called?
A. Off-hook signal
B. Ground start signal
C. Loop start signal
D. On-hook signal
Answer: C

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NO.12 Which of the following is a mechanism used by the Multimedia Extensions (WME) standard to avoid
contentions in a particular traffic category?
A. Sliding Window Protocol
B. Contention Window (CW)
C. Auto-Rate Fallback
D. Maximum Segment Size (MSS)
Answer: B

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NO.13 Which of the following is an audio data compression algorithm for voice that compresses digital voice
in packets of 10 milliseconds duration?
A. G.711
B. H.320
C. H.323
D. G.729
Answer: D

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NO.14 Which of the following layers of the OSI model managescommunication between
communicationentities in a network?
A. Presentation
B. Network
C. Transport
D. Session
E. Application
Answer: D

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NO.15 Rick, an administrator of a TCP/IP network, wants to achieve the following goals: l Reduce congestion
of network traffic. l Optimize the utilization of the IP address space.
Which of the following technologies may help him to accomplish the task?
A. Pinging
B. Supernetting
C. Routing
D. Subnetting
Answer: D

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NO.16 H.323 is a group of protocols defined by the International Telecommunication Union for multimedia
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the OSI model is responsible for translating, processing, and reading ASN.1 and ASCII messages?
A. Transport layer
B. Application layer
C. Physical layer
D. Presentation layer
Answer: D

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NO.17 Adam works as a Sales Engineer for Umbrella Inc. One of his customers complains that the PBX is
getting reset several times in a day. Adam finds that the power LEDs of PBX are fluttering. He suspects
that faulty power supply is the cause of this problem. Which of the following troubleshooting tools should
Adam use to verify these suspicions?
A. Continuity tester
B. Line tester
C. Volt meter
D. T-BERD 4000
Answer: C

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NO.18 Which of the following statements are true about session hijacking?
Each correct answer represents a complete solution. Choose all that apply.
A. Use of a long random number or string as the session key reduces session hijacking.
B. It is used to slow the working of victim's network resources.
C. TCP session hijacking is when a hacker takes over a TCP session between two machines.
D. It is the exploitation of a valid computer session to gain unauthorized access to information or services
in a computer system.
Answer: ACD

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NO.19 Which of the following protocols provides sequence numbers to VoIP packets?
A. TCP
B. RTP
C. UDP
D. SCCP
Answer: B

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NO.20 Voice over IP is an application that requires efficient use of bandwidth and reliability. VoIP must not
suffer the delays that can be seen at times with Web sites and Web applications. Which technology can
be used to help ensure the efficient transport of VoIP traffic?
A. RTP
B. QoS
C. DNS
D. RSTP
Answer: B

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Exam Code: CLO-001
Exam Name: CompTIA (CompTIA Cloud Essentials Exam)
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Total Q&A: 182 Questions and Answers
Last Update: 2013-11-29

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NO.1 Which of the following are essential steps to take when creating a virtual server?
A. Select a machine image to run, select an application set to run, select security credentials.
B. Select a machine image to run, select an application set to run, select the size of the virtual machine.
C. Select a machine image to run, select security credentials, select the size of the virtual machine.
D. Select an application set to run, select security credentials, select the size of the virtual machine.
Answer: C

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NO.2 Privacy is the right of________ to selectively disclose information about _________ and restrict the
further use of that information by any party.
A. companies, others
B. companies, themselves
C. individuals, others
D. individuals, themselves
Answer: D

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NO.3 Which of the following is the MOST important service management consequence of elastic capacity?
A. The need for better application development
B. The need for better security management
C. The need for good performance monitoring and management
D. The need to improve the fulfillment and provisioning process
Answer: C

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NO.4 Which of the following is the primary way to access PaaS?
A. Web services
B. Websites
C. Web hosting providers
D. Data integrations
Answer: A

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NO.5 Which of the following consequences does IT outsourcing and cloud computing have in common?
A. Involvement of external staff
B. Improved flexibility
C. Reduced expense
D. Shorter time to market
Answer: A

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NO.6 Cloud computing _____________capital cost to variable cost.
A. increases
B. reduces
C. shifts
D. equates
Answer: C

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NO.7 Which of the following is important to standardize?
A. Information standards and applications
B. User names and hardware providers
C. Virtual machine images and applications
D. Virtual machine images and identity information standards
Answer: D

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NO.8 Which of the following is a reason for business users lo be interested in cloud computing?
A. Desire for vendor lock-in reduction
B. Desire for improved security
C. Desire for improved user experience
D. Desire for reducing compliance issues
Answer: C

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NO.9 Which of the following actions should a company take if a cloud computing provider ceases to uphold
their contract?
A. Consult the company's exit plan.
B. Move the company data to the backup provider that was selected earlier.
C. Re-host all critical applications on the company's internal servers.
D. Evaluate the company's strategic options for an alternative provider
Answer: A

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NO.10 Web hosting is a service that enables customers to deploy a website quickly. This is an example of:
A. IaaS.
B. SaaS
C. PaaS.
D. On-demand software.
E. None of the above.
Answer: C

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NO.11 Which of the following is an important new skill for an IT organization to develop in the context of cloud
computing?
A. Provisioning services
B. Incident management
C. Technology upgrade monitoring
D. Security and risk management
Answer: A

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NO.12 Which of the following is a typical concern for business and IT leaders when adopting cloud
computing?
A. Current cost structure of IT
B. Quality of web-based user interfaces
C. Security of current IT solutions
D. Technical maintenance of current IT assets
Answer: C

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NO.13 Which of the following does the server virtualization layer do?
A. It allows the underling physical server hardware to be shared
B. It allows the virtual machines to be dependent on each other
C. It allows the virtual machines to be load balanced
D. It prohibits the use of virtual machines by unauthorized users
Answer: A

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NO.14 Which of the following IT processes is likely to become more important due to the adoption of cloud
computing?
A. Capacity management
B. Troubleshooting management
C. Project management
D. Request fulfillment management
Answer: A

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NO.15 Digital identities for logging onto SaaS solutions should be issued by all the following EXCEPT:
A. A third-party identity provider.
B. The customer organization.
C. The SaaS provider.
D. A user.
Answer: D

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NO.16 How can an organization successfully implement a SaaS strategy?
A. Manage the risks associated with bringing in external providers
B. Continuously execute performance analytics to monitor providers
C. Open up internal databases with Web service access for easier access
D. Standardize on a limited set of virtual machines to increase security
Answer: A

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NO.17 Why is it important to consider the cloud ecosystem when developing applications.?
A. Cloud providers will do application development.
B. The development process needs to change.
C. The role of the IT department will change.
D. This can speed up the development process.
Answer: D

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NO.18 Which of the following is the function of orchestration services?
A. Assemble functional requirements for application development
B. Configure application clusters with Web services
C. Enable and disable load balancers
D. Manage the starting and stopping of application server clusters
Answer: D

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NO.19 Which of the following technologies are related to Web services?
A. HTML, IDM, JSON
B. HTML, IDM, XML
C. HTML, JSON, XML
D. DM, JSON, XML
Answer: C

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NO.20 Which of the following does IT outsourcing and cloud computing typically have in common?
A. Pay as you go agreements
B. Short-term financial commitment
C. Tailor-made applications based on client needs
D. Vendor lock-in potential
Answer: D

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Exam Code: 220-802
Exam Name: CompTIA (CompTIA A+ Certification Exam)
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Total Q&A: 415 Questions and Answers
Last Update: 2013-11-29

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NO.1 A technician installed a second hard drive in a computer. Upon restart, a message appears
statinG. primary drive 0 not found. Press F1 to continue." Which of the following should the
technician check FIRST?
A. That NTLDR and boot.ini are not missing
B. Proper drive installation (e.g. cables/jumpers)
C. If computer can boot into safe mode
D. If the BIOS boot settings are correct
Answer: B

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NO.2 When scheduling a backup for preventative maintenance, which of the following would
ensure all
data was captured?
A. Differential
B. Full
C. Incremental
D. Daily
Answer: B

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NO.3 A user has too many applications starting when they log into windows. From the command
line,
which of the following tools is the FASTEST option to prevent these applications from running on
startup?
A. MSCONFIG
B. SERVICES.MSC
C. REGEDIT
D. MSINFO32
Answer: A

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NO.4 Which of the following file system types is used for optical media?
A. FAT32
B. FAT
C. CDFS
D. NTFS
Answer: C

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NO.5 A user has not received any new emails on their smartphone in the last two days. The user is
able
to access the Internet without any problems. Which of the following should the user do FIRST?
A. Restart the smartphone
B. Reconfigure the smartphone email account
C. Resynchronize the smart phone
D. Update the operating system
Answer: A

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NO.6 From which of the following tools can a technician locate the PID of an application?
A. Local Security Policy
B. MSCONFIG
C. Computer Management
D. Task Manager
Answer: D

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NO.7 Phishing is:
A. an infection that causes a web browser to go to a different site than the one intended from a
search result page.
B. a technique used to obtain financial information from a user mimicking a legitimate website.
C. an infection that causes a computer to behave erratically by playing music and launching
browser windows.
D. a technique used to obtain financial information from a user by compiling information from
social networks and their friends.
Answer: B

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NO.8 A technician would like to limit computer access to certain users. Which of the following
should be
configured?
A. Advanced security
B. Boot.ini file
C. System configuration
D. Local security policy
Answer: D

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NO.9 A technician gets a call from a customer stating that their computer will not boot. They are
getting
the following error invalid system disk. Which of the following should the technician check
FIRST?
A. Verify the operating system is installed correctly.
B. Verify that all removable drives are empty.
C. Verify Boot.ini is on the hard drive.
D. Verify the computer will boot into safe mode.
Answer: B

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NO.10 A technician is creating an image that will be used to deploy Windows 7 to 100 PCs. Which of
the
following tools should be used to accomplish this?
A. SYSPREP
B. Windows 7 Advisor
C. CHKDSK
D. DISKPART
Answer: A

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2013年10月14日星期一

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Exam Name: CompTIA (HTI+ Residential Systems....)
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NO.1 Which of the following wires of a cable are used for transmitting or receiving data on a
10/100Base-T network?
A. 1, 2, 3, and 4
B. 1,2, 3, and 6
C. 1, 2, 8, and 8
D. 5, 6, 7, and 8
Answer: B

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NO.2 The wiring scheme for data cables terminated in a home is:
A. 568A
B. 568B
C. RS422
D. RS485
Answer: A

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NO.3 An individual has connected a turntable to a stereo receiver. When a record is
played, the system emits a load hum.
Which of the following is the most likely cause of this problem?
A. The cartridge needs to be replaced.
B. The speakers are too close together.
C. The turntable is plugged into an auxiliary port.
D. The ground wire on the turntable is disconnected.
Answer: D

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NO.4 The maximum recommended cable distance between stations for 10Base-T Ethernet on
Category 3 cabling is:
A. 50 meters
B. 100 meters
C. 200 meters
D. 500 meters
Answer: B

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NO.5 Which of the following TCP/IP protocols is used to manage the assignment of IP
addresses?
A. Domain name service (DNS)
B. Network address translation (NAT)
C. Dynamic host configuration protocol (DHCP)
D. Simple network management protocol (SNMP)
Answer: C

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NO.6 When troubleshooting a lighting problem in an existing home, the home technology
integrator differentiates between low-voltage and high-voltage lighting control by
examining the:
A. Incandescent bulbs
B. Fluorescent bulbs
C. Differences in the wall and ceiling mounts
D. Cable supplying power to the lighting fixture
Answer: D

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NO.7 Which of the following ports must be open to allow HTTP traffic through a firewall?
A. 23
B. 25
C. 80
D. 110
Answer: C

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NO.8 Which of the following types of sensors are the most commonly used, both inside and
outside of the home, and detect the presence of humans based on emitted radiation?
A. Passive Infrared (PIR) sensors
B. Ultrasonic sensors
C. Microwave sensors
D. Charged Coupled Device (CCD) sensors
Answer: A

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NO.9 Three communicating thermostats installed in one residence is referred to as a:
A. 3-Damper system
B. 3-Room system
C. 3-Zone system
D. 3-Process system
Answer: C

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NO.10 There are two-four pair cables run from the auxiliary disconnect outlet to the
network interface device. The homeowner orders a fifth line.
The color-pair of the fifth line is:
A. orange - white/orange
B. blue - white/blue
C. slate - white/slate
D. green - white/green
Answer: C

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NO.11 How many B channels are included in an integrated services digital network (ISDN)
BRI?
A. 1
B. 2
C. 4
D. 23
Answer: B

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NO.12 A xxxx technician is on-site to configure a home security alarm system. The
technician needs to create a configuration that alerts the off-site customer
monitoring center whenever the front and side doors are armed and opened.
Which of the following devices does the technician need to install on the doors to have
them trip the alarm?
A. Rug sensors
B. Motion sensor
C. Magnetic contacts
D. Closed circuit TV
Answer: C

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NO.13 Which of the following is a type of coaxial cable used in television and satellite
installations?
A. RG-6
B. RG-58
C. RJ-11
D. RJ-45
Answer: A

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NO.14 A client has a 100 watt stereo receiver. The client has purchased speakers rate at
200 watts. The receiver keeps shutting off, and the distortion is high.
Which of the following is the best explanation?
A. The speakers need more power than 100 watts.
B. The strands of wire are touching.
C. The speaker cable is the wrong gauge.
D. The protective fuses in the receiver are too weak.
Answer: B

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NO.15 Covert video cameras can be legally installed:
A. Anywhere the client decides.
B. Anywhere there is a potential for high-crime volume.
C. In places where there is no expectation of privacy.
D. In places where permissions has been given by the owner.
Answer: C

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NO.16 Which of the following use high-frequency sound?
A. Occupancy sensors
B. Ultrasonic sensors
C. Photosensors
D. Passive Infrared (PIR) sensors
Answer: B

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NO.17 Which of the following organizations sets standards for heating, ventilation, and air
conditioning in the United States?
A. IEEE
B. NAHB
C. IALD
D. ASHRAE
Answer: B

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NO.18 Which of the following types of network cables can support a maximum segment length
of 2,000 meters?
A. Fiber optic
B. Thin coaxial
C. Unshielded twisted pair
D. Thick coaxial
Answer: A

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NO.19 A client requests to have two sub-woofers installed to create stereo effect.
Which of the following statements is the best response a technician can make?
A. Two sub-woofers would produce too much bass.
B. Another amp is required to power the second sub-woofer.
C. Two sub-woofers are unnecessary and would cost too much.
D. The sub-woofer's sound is too low to have an effect on stereo imaging.
Answer: C

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NO.20 The technician is onsite to install a security camera system and has successfully
configured the camera and video monitor. The customer has a request to attach the
camera to the customer's television.
Which of the following devices would the technician need to install to connect the
security camera to the television?
A. Splitter
B. Coupler
C. BALUN
D. High pass filter
Answer: B

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Exam Code: HT0-102
Exam Name: CompTIA (HTI+ Systems Infrastructure and Integration)
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Total Q&A: 220 Questions and Answers
Last Update: 2013-10-14

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NO.1 Which of the following devices will prevent the loss of functionality during a sudden alternating
current (AC) power outage?
A. Dedicated circuit
B. Surge protector
C. Transfer switch
D. Uninterruptible Power Supply (UPS)
Answer: D

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NO.2 Which of the following ANSI/TIA/EIA standards most directly concerns residential low-voltage
an telecommunication cabling?
A. 568-B
B. 570
C. 570-A
D. 606
Answer: C

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NO.3 Which of the following terms describes a point or group of points in an alarm system?
A. Zone
B. Area
C. Perimeter
D. Demarcation
Answer: A

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NO.4 Which of the following systems utilizes the electrical cabling as a control media throughout the
house?
A. PLC
B. HomeRF
C. HomePNA
D. Broadband coaxial
Answer: A

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NO.5 Which of the following devices is required by the Federal Communications Commission (FCC)
for registered alarm connections in which alarm panels are connected to a telephone line?
A. RJ-11
B. RJ-21
C. RJ-31X
D. RJ-45
Answer: C

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NO.6 One of the devices used to control a multimedia center uses serial communications to receive
instructions from he system controller. The device needs to be tested off-line, and it has been
disconnected from the system controller. A notebook computer equipped wit ha serial port is
available for testing. Which of the following cables will complete the connection?
A. Coaxial
B. Patch
C. Telephone
D. Null-modem
Answer: D

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NO.7 Which of the following tools is used to fasten a connector to a cable end?
A. Crimper
B. Wire strippers
C. Lineman's pliers
D. Punch-down tool
Answer: A

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NO.8 Which of the following is a support that is mounted to the backboard and used to manage cables?
A. Conduit
B. 66 block
C. D-ring
D. Cable tray
Answer: C

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NO.9 A technician is programming the locations for 802.11 devices used in home automation. Which
of the following describes the Layer 2 address of the OSI model?
A. IP address
B. MAC address
C. X10 address
D. 802.11 address
Answer: B

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NO.10 The IEEE 1394 interface is commonly referred to as:
A. SCSI
B. FireWireTM
C. Fast Ethernet
D. Gigabit Ethernet
Answer: B

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NO.11 Which of the following authorities establish the National Electrical Code (NEC) as legal
regulations?
A. Local fire marshal
B. Local governments
C. Building contractors
D. National Fire Protection Association (NFPA)
Answer: B

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NO.12 Which of the following serial protocols allows the daisy chaining of devices?
A. Fire Wire
B. RS-232
C. RS-422
D. RS-485
Answer: D

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NO.13 In a wireless security system, the controller should monitor each transmitter for:
A. high interference
B. low radiation level
C. high humidity
D. low battery
Answer: D

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NO.14 Which of the following is a requirement of a home automation system that allows the system to
be set up for out of band remote maintenance from an off-site location?
A. Dial-in modem
B. Local terminal
C. Infrared remote
D. Wireless access point
Answer: A

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NO.15 Which of the following methods offer protection from attenuation in larger installations using an
X10 protocol to control devices?
A. IR repeater
B. Signal bridge
C. RS-232 to RS-485 converter
D. 75 ohm to 100 ohm converter
Answer: B

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NO.16 Which of the following does NOT need to be documented for a control system?
A. System diagram
B. Equipment list
C. Configuration of equipment
D. Equipment specifications
Answer: D

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NO.17 An integrated home automation system is being designed to use a personal computer equipped
with a single IEEE 1394 port. What is the total number of devices that additional ports are
needed?
A. 23
B. 43
C. 63
D. 83
Answer: C

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NO.18 Which of the following standards has the greatest maximum distance from the central office of
the telephone company to the home?
A. ADSL
B. SDSL
C. IDSL
D. G.SHDSL
Answer: C

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NO.19 A programmable HVAC thermostat can be accessed remotely to:
A. warm of a high heating bill
B. light up the thermostat in dark hallways
C. power the HVAC upon the loss of AC power
D. allow the panel to control the temperature settings of the thermostat
Answer: D

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NO.20 The design of a system requires a wall-mounted control device that works with a RS-485 based
control processor. Control needs to be available at 16 locations. The interface should allow the
technician to customize the menu options with icons and text associated with each of the push
buttons. Which of the following meets the design criteria?
A. Web pad
B. LCD keypad
C. If remove control
D. Touch screen controller
Answer: B

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Exam Code: N10-004
Exam Name: CompTIA (CompTIA Network+ (2009 Edition) )
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Total Q&A: 362 Questions and Answers
Last Update: 2013-10-14

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NO.1 Which of the following is the broadcast address for a network defined as 192.168.0.0/24?
A. 192.168.0.255
B. 192.168.0.1
C. 192.168.0.0
D. 192.168.0.253
Answer: A

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NO.2 A network technician blocks access to ports 25, 110, and 143 on the firewall. Which of the following
application services will be blocked due to this?
A. Email sending and receiving
B. Domain Name Service
C. FTP access to external servers
D. Remote desktop access
Answer: A

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NO.3 hen the use of a smart card, pin number, and pass phrase is required to login to a system, which of the
following types of authentication is being used?
A. Single sign on
B. PKI
C. Two factor authentication
D. Multi-factor authentication
Answer: D

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NO.4 Which of the following is a reason to use dynamic DNS?
A. The host IP address is not listed in the firewall.
B. The host IP address is assigned by DHCP.
C. Static routes cannot be used on the host network.
D. A third-party certificate is being used.
Answer: B

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NO.5 Which of the following protocols is commonly used for VoIP technology?
A. Telnet
B. SMTP
C. SIP
D. SNMP
Answer: C

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NO.6 A bridge handles frames at which of the following layers of the OSI model?
A. Network
B. Session
C. Transport
D. Data Link
Answer: D

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NO.7 A network technician, working with a large business of 500 employees, decides to configure a server
to handle IP addressing. Which of the following would BEST allow for this setup?
A. Address routing protocol
B. Port mirroring
C. Static addresses
D. DHCP addresses
Answer: D

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NO.8 A company is about to install a second network connection with a new ISP. Which of the following
routing protocols is the BEST choice?
A. IS-IS
B. BGP
C. OSPF
D. RIP
Answer: B

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NO.9 Which of the following ports is the default telnet port?
A. 20
B. 21
C. 22
D. 23
Answer: D

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NO.10 Which of the following can be configured to restrict specific ports and IP addresses from accessing the
internal network? (Select TWO).
A. Layer 2 switch
B. MAC address filtering
C. ACLs
D. IIS server
E. Port scanner
F. Firewall
Answer: CF

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NO.11 Which of the following layers of the OSI model maps to the Network Interface layer of the TCP stack?
(Select TWO).
A. Physical
B. Session
C. Data Link
D. Network
E. Transport
Answer: AC

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NO.12 Which of the following authentication solutions also provides AAA and uses TCP.?
A. TACACS+
B. Kerberos
C. RADIUS
D. RAS
Answer: A

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NO.13 A network technician is attempting to map a FQDN to an internal server at the address of 10.0.0.15
without NAT/PAT. Which of the following is the reason this will ultimately not work?
A. This is a private address which cannot be seen by external users.
B. The address does not have the appropriate subnet mask assigned.
C. This is a public address which can only be seen by internal users.
D. This is a private address which can only be seen by external users.
Answer: A

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NO.14 Which of the following ports would have to be allowed through a firewall to allow SNMP traffic to pass
on its default port? (Select TWO).
A. 22
B. 23
C. 143
D. 161
E. 162
F. 8080
Answer: DE

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NO.15 The protocols that use a three way handshake to transfer information can be found within which layer of
the OSI model?
A. Layer 2
B. Layer 3
C. Layer 4
D. Layer 5
Answer: C

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NO.16 The network technician is troubleshooting a network issue by implementing a new security device. After
installing and configuring the device, which of the following steps should the technician take NEXT?
A. Verify full system functionality.
B. Identify the main problem and question the user.
C. Document their findings, actions, and outcomes.
D. Escalate the issue to upper management.
Answer: A

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NO.17 A user is unable to access the company website on a laptop. A network technician verifies that the user
can access other Internet pages. According to network troubleshooting methodology, which of the
following steps should be taken NEXT?
A. Remotely connect to the user's laptop and review the network configuration settings.
B. Ping the web server from inside the network to ensure it is still up and running.
C. Check to make sure the company's website is accessible from the Internet.
D. Ensure the Ethernet cable is securely plugged into the user's laptop.
Answer: C

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NO.18 Which of the following would be used to test out the security of a specific network by allowing it to
receive security attacks?
A. Honeynet
B. Honeypot
C. Vulnerability scanner
D. Network based IDS
Answer: A

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NO.19 A network technician is troubleshooting a problem and has just established a plan of action to resolve
the problem. Which of the following is the NEXT step in the troubleshooting methodology?
A. Verify full system functionality and if applicable implement preventative measures.
B. Implement the solution or escalate as necessary.
C. Document findings, actions, and outcomes.
D. Establish a theory of probable cause (e.g. question the obvious).
Answer: B

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NO.20 Which of the following metrics indentifies the number of connections that is between two devices?
A. Hop count
B. MTU
C. Latency
D. Bandwidth
Answer: A

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