Networking · Ports interview questions

54 Networking · Ports questions from the System Administration bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.

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1. What is port 22?

Junior
  1. A.the default port for SSH
  2. B.the default port for NFS
  3. C.the default port for the AD Global Catalog
  4. D.the default port for HTTP

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2. Which term means: "the default port for SSH"?

Junior
  1. A.port 21
  2. B.port 2049
  3. C.port 22
  4. D.port 3389

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3. Which statement is correct?

Junior
  1. A.port 22 — the default port for Kerberos
  2. B.port 22 — the default port for LDAPS
  3. C.port 22 — the default port for POP3
  4. D.port 22 — the default port for SSH

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4. What is port 443?

Junior
  1. A.the default port for IMAP
  2. B.the default port for HTTPS
  3. C.the default port for LDAP
  4. D.the default port for SNMP

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5. Which term means: "the default port for HTTPS"?

Junior
  1. A.port 123
  2. B.port 443
  3. C.port 67/68
  4. D.port 389

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6. Which statement is correct?

Junior
  1. A.port 443 — the default port for HTTPS
  2. B.port 443 — the default port for FTP control
  3. C.port 443 — the default port for SMB
  4. D.port 443 — the default port for SMTP

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7. What is port 3389?

Junior
  1. A.the default port for Kerberos
  2. B.the default port for RDP
  3. C.the default port for DNS
  4. D.the default port for HTTPS

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8. Which term means: "the default port for RDP"?

Junior
  1. A.port 3389
  2. B.port 88
  3. C.port 110
  4. D.port 67/68

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9. Which statement is correct?

Junior
  1. A.port 3389 — the default ports for DHCP server/client
  2. B.port 3389 — the default port for SMB
  3. C.port 3389 — the default port for HTTP
  4. D.port 3389 — the default port for RDP

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10. What is port 53?

Junior
  1. A.the default port for POP3
  2. B.the default port for DNS
  3. C.the default port for SSH
  4. D.the default port for LDAPS

Answer + AI explanation with Pro

11. Which term means: "the default port for DNS"?

Junior
  1. A.port 110
  2. B.port 53
  3. C.port 389
  4. D.port 636

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12. Which statement is correct?

Junior
  1. A.port 53 — the default ports for DHCP server/client
  2. B.port 53 — the default port for DNS
  3. C.port 53 — the default port for POP3
  4. D.port 53 — the default port for LDAPS

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13. What is port 445?

Junior
  1. A.the default port for RDP
  2. B.the default port for FTP control
  3. C.the default port for SMB
  4. D.the default port for LDAP

Answer + AI explanation with Pro

14. Which term means: "the default port for SMB"?

Junior
  1. A.port 443
  2. B.port 445
  3. C.port 53
  4. D.port 88

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15. Which statement is correct?

Junior
  1. A.port 445 — the default port for SMTP
  2. B.port 445 — the default port for LDAPS
  3. C.port 445 — the default port for POP3
  4. D.port 445 — the default port for SMB

Answer + AI explanation with Pro

16. What is port 389?

Junior
  1. A.the default port for FTP control
  2. B.the default port for NTP
  3. C.the default port for SMTP
  4. D.the default port for LDAP

Answer + AI explanation with Pro

17. Which term means: "the default port for LDAP"?

Junior
  1. A.port 53
  2. B.port 443
  3. C.port 389
  4. D.port 21

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18. Which statement is correct?

Junior
  1. A.port 389 — the default port for SNMP
  2. B.port 389 — the default port for SSH
  3. C.port 389 — the default port for IMAP
  4. D.port 389 — the default port for LDAP

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19. What is port 636?

Junior
  1. A.the default port for POP3
  2. B.the default port for HTTPS
  3. C.the default port for SSH
  4. D.the default port for LDAPS

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20. Which term means: "the default port for LDAPS"?

Junior
  1. A.port 636
  2. B.port 110
  3. C.port 3268
  4. D.port 389

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21. Which statement is correct?

Junior
  1. A.port 636 — the default port for SMB
  2. B.port 636 — the default port for LDAPS
  3. C.port 636 — the default port for IMAP
  4. D.port 636 — the default port for SSH

Answer + AI explanation with Pro

22. What is port 88?

Junior
  1. A.the default port for SMB
  2. B.the default port for FTP control
  3. C.the default ports for DHCP server/client
  4. D.the default port for Kerberos

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23. Which term means: "the default port for Kerberos"?

Junior
  1. A.port 3389
  2. B.port 21
  3. C.port 143
  4. D.port 88

Answer + AI explanation with Pro

24. Which statement is correct?

Junior
  1. A.port 88 — the default port for Kerberos
  2. B.port 88 — the default port for NFS
  3. C.port 88 — the default port for the AD Global Catalog
  4. D.port 88 — the default port for HTTPS

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25. What is port 2049?

Junior
  1. A.the default port for FTP control
  2. B.the default port for NFS
  3. C.the default port for POP3
  4. D.the default ports for DHCP server/client

Answer + AI explanation with Pro

26. Which term means: "the default port for NFS"?

Junior
  1. A.port 3389
  2. B.port 110
  3. C.port 2049
  4. D.port 53

Answer + AI explanation with Pro

27. Which statement is correct?

Junior
  1. A.port 2049 — the default port for NFS
  2. B.port 2049 — the default port for SNMP
  3. C.port 2049 — the default port for LDAP
  4. D.port 2049 — the default port for FTP control

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28. What is port 3268?

Junior
  1. A.the default port for IMAP
  2. B.the default port for SMB
  3. C.the default port for the AD Global Catalog
  4. D.the default port for NFS

Answer + AI explanation with Pro

29. Which term means: "the default port for the AD Global Catalog"?

Junior
  1. A.port 3268
  2. B.port 3389
  3. C.port 80
  4. D.port 636

Answer + AI explanation with Pro

30. Which statement is correct?

Junior
  1. A.port 3268 — the default port for LDAPS
  2. B.port 3268 — the default port for LDAP
  3. C.port 3268 — the default port for POP3
  4. D.port 3268 — the default port for the AD Global Catalog

Answer + AI explanation with Pro

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