Free JK0-023 Exam Braindumps
CompTIA Network+ certification Questions 361–365 (page: 74)

Updated On: 10-Feb-2026

Users are reporting a large decrease in network performance. After further investigation, the network administrator notices large amounts of traffic coming from a specific IP address. The network administrator needs to identify the payload of the network traffic. Which of the following could be used to collect that information?

  1. ipconfig
  2. ping
  3. sniffer
  4. route

Answer(s): C



Which of the following does SNMPv3 BEST provide over previous versions?

  1. Increased security
  2. Simplified management
  3. More data types
  4. Higher productivity

Answer(s): A



Port scanners and packet sniffers differ in functionality because:

  1. packet sniffers and port scanners are just different names for the same device.
  2. packet sniffers can only log events on traffic activity and port scanners can route malicious packets.
  3. packet sniffers watch all traffic over certain ports and port scanners watch traffic on certain NICs.
  4. port scanners are limited to detecting open ports and packet sniffers watch all traffic.

Answer(s): D



A network administrator wants to see what ports are open on a server. Which of the following commands will show open ports?

  1. netstat
  2. tracert
  3. nbtstat
  4. nslookup

Answer(s): A



The technician is working on a DNS problem. Which of the following software tool is the technician MOST likely to use to troubleshoot this issue?

  1. nslookup
  2. ipconfig
  3. ping
  4. nbtstat

Answer(s): A



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