N10-009 Practice Test

N10-009 Practice Test practice questions, page 18 of 31, with answer review and explanations.

Question 86

After running a Cat 8 cable using passthrough plugs, an electrician notices that connected cables are experiencing a lot of cross talk. Which of the following troubleshooting steps should the electrician take first?

  1. Inspect the connectors for any wires that are touching or exposed.
  2. Restore default settings on the connected devices.
  3. Terminate the connections again.
  4. Check for radio frequency interference in the area.

Question 87

A technician is troubleshooting a user's laptop that is unable to connect to a corporate server. The technician thinks the issue pertains to routing. Which of the following commands should the technician use to identify the issue?

  1. tcpdump
  2. dig
  3. tracert
  4. arp

Question 88

After installing a series of Cat 8 keystones, a data center architect notices higher than normal interference during tests. Which of the following steps should the architect take to troubleshoot the issue?

  1. Check to see if the end connections were wrapped in copper tape before terminating.
  2. Use passthrough modular crimping plugs instead of traditional crimping plugs.
  3. Connect the RX/TX wires to different pins.
  4. Run a speed test on a device that can only achieve 100Mbps speeds.

Question 89

A small business is deploying new phones, and some of the phones have full HD videoconferencing features. The Chief Information Officer is concerned that the network might not be able to handle the traffic if the traffic reaches a certain threshold. Which of the following can the network engineer configure to help ease these concerns?

  1. A VLAN with 100Mbps speed limits
  2. An IP helper to direct VoIP traffic
  3. A smaller subnet mask
  4. Full duplex on all user ports

Question 90

A virtual machine has the following configuration: IPv4 address: 169.254.10.10 - Subnet mask: 255.255.0.0 - The virtual machine can reach collocated systems but cannot reach external addresses on the internet. Which of the following is most likely the root cause?

  1. The subnet mask is incorrect.
  2. The DHCP server is offline.
  3. The IP address is an RFC1918 private address.
  4. The DNS server is unreachable.