N10-008 practice questions 711–720

1. Question 711 · 871 in bank

   A network technician needs to determine which RJ45 jack in a patch panel corresponds to the RJ45 drop in the Chief Executive Officer's office. Which of the following tools would be best for the technician to use?

   • AFusion splicer
   • BCable tester
   • CTone generator
   • DSpectrum analyzer

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   Answer: C

   Explanation

   In simple terms - you can do it with a cable tester, but you will need to check each switch port (connect the other end to each port and run a test), while with tone generator you just hover over switch ports and hear "tone" when you get the right one. I may be wrong as I am not an expert but I do wiring jobs occasionally so we use these tools a lot.

   Source: Adapted from community discussion — Roman_Kwo

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2. Question 712 · 871 in bank

   Which of the following is the DNS feature that controls how long a lookup is stored in cache on a server?

   • ACNAME
   • BTTL
   • CSOA
   • DSRV

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   Answer: B

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3. Question 713 · 871 in bank

   A customer is having issues accessing local resources on the network. A technician questions the user and discovers that a small switch had been taken out of storage and installed so that additional devices could be connected in the room. The technician runs the ping command from the PC to the network server and does not find any issues. However, data transfers to the server are slow, and the transfer appears to be locked up at times. Which of the following is the most likely cause of the issue?

   • ADuplexing mismatch
   • BReversed TX/RX pinouts
   • CCable crosstalk
   • DFailed transceiver

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   Answer: A

   Explanation

   Duplexing refers to the ability of a data communication system to conduct two-way communication. If there’s a mismatch in duplex settings between the switch and the connected devices, it can lead to performance issues like slow data transfers or intermittent connectivity. Reversed TX/RX pinouts (B) would typically prevent the connection from working at all. Cable crosstalk © could potentially cause interference and slow down the connection, but it’s less likely to cause intermittent connectivity. A failed transceiver (D) would typically cause a complete loss of connectivity, not just slow or intermittent connectivity. Therefore, a duplexing mismatch is the most likely cause in this context.

   Source: Adapted from community discussion — Mamad66

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4. Question 714 · 871 in bank

   A network administrator is planning to implement device monitoring to enhance network visibility. The security team requires that the solution provides authentication and encryption. Which of the following meets these requirements?

   • ASIEM
   • BSyslog
   • CNetFlow
   • DSNMPv3

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   Answer: D

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5. Question 715 · 871 in bank

   Users are reporting issues with connecting to the wireless router. The technician discovers neighboring wireless APs that are not part of the network are on the same 5GHz frequency. Which of the following best describes the issue?

   • ADistance limitation
   • BAbsorption
   • CSignal-to-noise ratio
   • DInterference

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   Answer: D

   Explanation

   Interference in a wireless network can occur when multiple devices are broadcasting on the same frequency, such as the 5GHz frequency mentioned in the scenario. This can cause the signals to interfere with each other, leading to connectivity issues. The neighboring wireless access points (APs) operating on the same frequency could be causing this interference, affecting the users’ ability to connect to the wireless router. Therefore, “Interference” is the most appropriate choice in this context.

   Source: Adapted from community discussion — Mamad66

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6. Question 716 · 871 in bank

   When a user makes a VoIP phone call and finishes speaking, the user experiences a delay in hearing a response. Which of the following should the network engineer check?

   • AJitter
   • BLatency
   • CBandwidth
   • DCRC errors

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   Answer: B

   Explanation

   This is completely false. Jitter doesn't cause latency and you can have latency without having jitter. Jitter is simply a difference between two latency events. If you ping and get 20ms/21ms/19ms this is just latency if you get 20ms/300ms/20ms this is jitter, you can have high latency without jitter and jitter with low latency. The answer is indeed B, though

   Source: Adapted from community discussion — ETQ

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7. Question 717 · 871 in bank

   A network administrator needs to connect two network closets that are 492ft (150m) away from each other. Which of the following cable types should the administrator install between the closets?

   • ASingle-mode fiber
   • BCoaxial
   • CDAC
   • DSTP

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   Answer: A

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8. Question 718 · 871 in bank

   Which of the following connector types would have the MOST flexibility?

   • ASFP
   • BBNC
   • CLC
   • DRJ45

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   Answer: A

   Explanation

   SFP is a transceiver that allows for modular connection based on whatever is needed. Example=Converting RJ45 to SC (copper to fiber), vice versa or some other combination needed.

   Source: Adapted from community discussion — whitefish

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9. Question 719 · 871 in bank

   A systems administrator is investigating why users cannot reach a Linux web server with a browser but can ping the server IP. The server is online, the web server process is running, and the link to the switch is up. Which of the following commands should the administrator run on the server first?

   • Atraceroute
   • Bnetstat
   • Ctcpdump
   • Darp

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   Answer: B

   Explanation

   B. netstat The command netstat -tulpn | grep 80 -t: Shows TCP connections. -u: Shows UDP connections. -l: Shows only listening sockets. -p: Shows the process ID and name of the process using the socket. -n: Shows numerical addresses instead of resolving hostnames. grep 80 filters the output to show only lines containing port 80 and which process is associated with it.

   Source: Adapted from community discussion — AnotherFatITGuy

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10. Question 720 · 871 in bank

    Which of the following disaster recovery metrics is used to describe the amount of data that is lost since the last backup?

    • AMTTR
    • BRTO
    • CRPO
    • DMTBF

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    Answer: C

    Explanation

    - MTTR: Average time to fix a system after failure. - RTO: Max time allowed for system recovery after disaster. Selected - RPO: Max acceptable data loss time from last backup. - MTBF: Average time between system failures.

    Source: Adapted from community discussion — Hundo_954

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N10-008 practice, question 711. 871 questions available.