Free JK0-023 Exam Braindumps
CompTIA Network+ certification Questions 391–395 (page: 80)

Updated On: 10-Feb-2026

Kim and Zach, attackers, use which of the following network scanners to see the protocols that are being used? (Select TWO).

  1. IDS
  2. Packet sniffer
  3. Port scanners
  4. Malware scanner
  5. Ping sweep

Answer(s): B,C



A technician is troubleshooting a computer that will not connect to the Internet. The PC is connected to the network. Which of the following tools should the technician use FIRST to understand the NIC configuration?

  1. Protocol analyzer
  2. ipconfig
  3. nslookup
  4. tracert

Answer(s): B



Which of the following could Kim, a network technician, use to inspect connection setup, request, and response headers for users connecting to a web server?

  1. nbtstat command
  2. dig command
  3. ipconfig command
  4. Protocol analyzer

Answer(s): D



A technician is unable to easily trace physical connections within a network rack. Which of the following practices would save time in the future?

  1. Change management
  2. Cable management
  3. Asset management
  4. Setting baselines

Answer(s): B



An administrator is able to list the interfaces on a switch after providing the community string "public". Which of the protocols is the administrator MOST likely using?

  1. Telnet
  2. RADIUS
  3. SSH
  4. SNMP

Answer(s): D



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