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CompTIA Network+ N10-007 > Domain 5: Review Questions > Flashcards

Domain 5: Review Questions Flashcards

1
Q

Which should you do during the process of identifying the problem? (Choose 2)

A. Duplicate the problem

B. Establish a plan of action

C. Question users

D. Create a hypothesis

A

A. Duplicate the problem

C. Question users

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2
Q

Which technique is used to determine the root cause of a problem, in which you splic a system into smaller subprocesses for examination?

A. Top-to-bottom OSI analysis

B. Divide and conquer analysis

C. Bottom-to-top OSI analysis

D. Process analysis

A

B. Divide and conquer analysis

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3
Q

What is the next step in problem solving once a theory is confirmed?

A. Create a hypothesis

B. Consider multiple approaches

C. Establish a plan of action

D. Approach multiple problems individually

A

C. Establish a plan of action

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4
Q

What is the final step in resolving a problem?

A. Implement a solution

B. Validate a theory

C. Establish a plan of action

D. Document

A

D. Document

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5
Q

Which tool is used to troubleshoot wiring breaks in network cabling?

A. OTDR

B. Tone generator

C. TDR

D. Multimeter

A

C. TDR

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6
Q

You need to find a network cable that is not labeled on a wiring panel; which tool should you use to identify the cable?

A. Cable tester

B. Tone generator

C. TDR

D. Multimeter

A

B. Tone generator

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7
Q

You are working alone and want to test a fiber-optic cable. Which tool will help you test the fiber-optic cable quickly?

A. OTDR

B. TDR

C. Light meter

D. Loopback adapter

A

D. Loopback adapter

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8
Q

Which software tool will allow you to check if a web application running on a server is online?

A. ping

B. nslookup

C. tracert/traceroute

D. Port scanner

A

D. Port scanner

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9
Q

You believe there is a problem upstream of your Internet connection and want to gather information to provide the ISP. Which tool will you use to gather statistics?

A. tracert/traceroute

B. pathping

C. nslookup

D. dig

A

B. pathping

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10
Q

Which tool allows examination at the packet level for traffic from an application?

A. Protocol analyzer

B. dig

C. Spectrum analyzer

D. nslookup

A

A. Protocol analyzer

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11
Q

You need to check the configured MTU on the interface of a Linux host; which command should you use?

A. ipconfig

B. ifconfig

C. mtuconfig

D. iptables

A

B. ifconfig

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12
Q

You need to check the port an application is listening on; which command should you use to view the information?

A. portqry

B. ifconfig

C. netstat

D. iptables

A

C. netstat

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13
Q

You need to analyze whether an applicaiton is responding to a client request; which command will allow you to capture the traffic?

A. tcpdump

B. nmap

C. portqry

D. netstat

A

A. tcpdump

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14
Q

Which command will allow you to clear the cached MAC addresses on a host?

A. arp -g *

B. ipconfig /flushdns

C. arp -d *

D. iptables -f

A

C. arp -d *

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15
Q

Which describes what happens to a wireless signal as it moves further away from the source?

A. Increased latency

B. Increased jitter

C. Increased attenuation

D. Decreased reflection

A

C. Increased attenuation

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16
Q

You believe there is a break in a fiber-optic cable that spans 5 miles; which tool will help you determine where the cable break is?

A. TDR

B. OTDR

C. Cable tester

D. Cable certifier

A

B. OTDR

17
Q

Which Nmap scan will send an URG, PSH, and FIN flag to trick the operating system to respond with an RST?

A. Xmas-tree scan

B. Fin scan

C. Null scan

D. UDP scan

A

A. Xmas-tree scan

18
Q

As routers, switches, and NAT processes are added to a routed switch path, what happens?

A. Latency increases

B. Jitter increases

C. Latency decreases

D. Jitter decreases

A

A. Latency increases

19
Q

Which term describes the phenomenon of a wireless signal changing in frequency as it passes through different materials?

A. Reflection

B. Absorption

C. Attenuation

D. Refraction

A

D. Refraction

20
Q

You find that a workstation has no connectivity to the network. When you use ipconfig, the IP address reports as 169.254.34.22 with a subnet mask of 255.255.0.0. What is the possible problem?

A. The subnet mask is incorrect

B. The IP address is on the wrong subnet

C. The gateway address is on the wrong network

D. The original IP address has expired

A

D. The original IP address has expired

21
Q

You believe that packets are being routed via the wrong gateway; which tool will allow you to verify the route a packet takes to the destination IP address?

A. route pring

B. tracert

C. ipconfig

D. dig

A

B. tracert

22
Q

You are diagnosing a wireless issue and you believe that the problem is related to RF noise. Which measurement should you focus on to prove your theory?

A. RSSI

B. SNR

C. dB strength

D. EMI

A

B. SNR

23
Q

What is the outcome if you have a speed mismatch on a network connection?

A. Degraded performance

B. High collision rate

C. High error rate

D. No link status

A

D. No link status

24
Q

You have a high error rate on an interface and believe that crosstalk is to blame. What should be checked to prove your theory?

A. Network cable specifications

B. Duplex

C. Speed

D. EMI

A

A. Network cable specifications

25
Q

Which command is used to verify the configuration of a host-based firewall on a Linux host?

A. nmap

B. iptables

C. ifconfig

D. portqry

A

B. iptables

CompTIA Network+ N10-007 (12 decks)

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