Free JK0-023 Exam Braindumps
CompTIA Network+ certification Questions 401–405 (page: 82)

Updated On: 10-Feb-2026

Which of the following would MOST likely be used by a network administrator to test DNS resolution?

  1. dig
  2. ipconfig
  3. netstat
  4. nbtstat

Answer(s): A



Which of the following tools would Lisa, an administrator, use to determine if there is a problem with a telephone line?

  1. Port scanner
  2. Punch down tool
  3. Butt set
  4. Toner probe

Answer(s): C



A company has a server with redundant power supplies. Which of the following is this an example of?

  1. Traffic shaping
  2. Caching engines
  3. Fault tolerance
  4. Load balancing

Answer(s): C



An administrator edits the network firewall configuration. After editing the configuration, the administrator logs the date and time of the edit and why it was performed in the firewall documentation. Which of the following BEST describes these actions?

  1. Asset management
  2. Baselines
  3. Network maps
  4. Change management

Answer(s): D



Which of the following would Karen, a technician, do to monitor remote traffic through an access point?

  1. Enable an SNMP agent
  2. Enable network mapping
  3. Set monitoring SSID
  4. Select WPA2

Answer(s): A



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