CompTIA JK0-023 Exam
CompTIA Network+ certification (Page 46 )

Updated On: 19-Jan-2026

Which of the following protocols is used by the ping command?

  1. SMTP
  2. ICMP
  3. TFTP
  4. ARP

Answer(s): B



Which of the following services do TCP connections provide to application layer protocols? (Select TWO).

  1. Transport services without error recovery
  2. Large data size manageability using segmentation
  3. Secure Kerberos password encryption on data
  4. Delivery through error recovery
  5. Proxy server authentication

Answer(s): B,D



Which of the following protocols are used to provide accurate time to network devices?

  1. SMTP
  2. FTP
  3. TLS
  4. NTP

Answer(s): D



Which of the following are valid hosts for the Private IP Address range 172.16.0.x /23? (Select TWO).

  1. 172.16.0.255
  2. 172.16.0.0
  3. 172.16.1.1
  4. 172.16.8.0
  5. 172.16.256.255

Answer(s): A,C



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