Free JK0-023 Exam Braindumps
CompTIA Network+ certification Questions 341–345 (page: 70)

Updated On: 10-Feb-2026

Which of the following utilities would Karen, a technician, use to resolve the FQDN of a web server to its IP address?

  1. netstat
  2. route
  3. nslookup
  4. arp

Answer(s): C



Which of the following would be used to check whether a DoS attack is taking place from a specific remote subnet?

  1. Syslog files
  2. Honeypot
  3. Network sniffer
  4. tracert

Answer(s): C



Karen, an administrator, wants to verify which protocols are in use on the network. Which of the following tools should she use?

  1. Intrusion detection software
  2. PoE
  3. Packet sniffer
  4. Intrusion prevention software

Answer(s): C



Users are reporting wired connectivity drops in a new office with brand new CAT6 infrastructure. Which of the following tools should a technician use to BEST troubleshoot this issue?

  1. OTDR
  2. Protocol analyzer
  3. Toner probe
  4. Cable certifier

Answer(s): D



Which of the following reasons would MOST likely be used to implement QoS and traffic shaping solutions?

  1. Redundancy
  2. Fault tolerance
  3. Unified communications
  4. Data integrity requirements

Answer(s): C



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