Well-known Ports

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Well-known Ports - Quiz

Testing of well-known ports and their associated services. The correct answers are the default assignments per IANA and service specific vendors. Match each service (daemon)/protocol to the corresponding port number assignment.


Questions and Answers
  • 1. 

    Hypertext Transfer Protocol Secure (HTTPS)

    • A.

      23

    • B.

      25

    • C.

      43

    • D.

      80

    • E.

      443

    Correct Answer
    E. 443
  • 2. 

    Secure Shell (SSH)

    • A.

      21

    • B.

      22

    • C.

      23

    • D.

      24

    • E.

      25

    Correct Answer
    B. 22
  • 3. 

    Lightweight Directory Protocol (LDAP)

    • A.

      49

    • B.

      143

    • C.

      389

    • D.

      443

    • E.

      1701

    Correct Answer
    C. 389
  • 4. 

    Simple Network Management Protocol (SNMP)

    • A.

      110

    • B.

      111

    • C.

      143

    • D.

      161

    • E.

      1701

    Correct Answer
    D. 161
  • 5. 

    File Transfer Protocol (FTP)

    • A.

      21

    • B.

      22

    • C.

      23

    • D.

      24

    • E.

      25

    Correct Answer
    A. 21
  • 6. 

    Point-To-Point Tunneling Protocol (PPTP)

    • A.

      443

    • B.

      159

    • C.

      1701

    • D.

      1723

    • E.

      80

    Correct Answer
    D. 1723
  • 7. 

    Trivial File Transfer Protocol (TFTP)

    • A.

      20

    • B.

      21

    • C.

      23

    • D.

      67

    • E.

      69

    Correct Answer
    E. 69
  • 8. 

    Simple Mail Transfer Protocol (SMTP)

    • A.

      23

    • B.

      25

    • C.

      110

    • D.

      141

    • E.

      1201

    Correct Answer
    B. 25
  • 9. 

    Domain Name Service (DNS)

    • A.

      20

    • B.

      23

    • C.

      43

    • D.

      53

    • E.

      63

    Correct Answer
    D. 53
  • 10. 

    Post Office Protocol 3 (POP3)

    • A.

      25

    • B.

      43

    • C.

      88

    • D.

      110

    • E.

      1100

    Correct Answer
    D. 110
  • 11. 

    Terminal Access Controller Access System (TACACS)

    • A.

      43

    • B.

      49

    • C.

      53

    • D.

      143

    • E.

      443

    Correct Answer
    B. 49
  • 12. 

    Hypertext Text Transfer Protocol (HTTP)

    • A.

      25

    • B.

      80

    • C.

      88

    • D.

      8080

    Correct Answer
    B. 80
  • 13. 

    RADIUS

    • A.

      543

    • B.

      1645

    • C.

      1646

    • D.

      1812

    • E.

      1512

    Correct Answer
    D. 1812
    Explanation
    RADIUS server uses UDP port 1812. Ports 1645 & 1646 are used for authentication and accounting

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  • 14. 

    MS SQL

    • A.

      1433

    • B.

      1443

    • C.

      1512

    • D.

      1612

    • E.

      1701

    Correct Answer
    A. 1433
  • 15. 

    Internet Message Access Protocol (IMAP)

    • A.

      43

    • B.

      110

    • C.

      119

    • D.

      143

    • E.

      443

    Correct Answer
    D. 143
  • 16. 

    Layer 2 Tunneling Protocol (L2TP)

    • A.

      443

    • B.

      1512

    • C.

      1701

    • D.

      1723

    • E.

      8080

    Correct Answer
    C. 1701
  • 17. 

    Telecommunication Network Protocol (Telnet)

    • A.

      20

    • B.

      21

    • C.

      22

    • D.

      23

    • E.

      25

    Correct Answer
    D. 23
  • 18. 

    Simple Network Management Protocol (SNMP) trap

    • A.

      53

    • B.

      67

    • C.

      110

    • D.

      161

    • E.

      162

    Correct Answer
    E. 162
  • 19. 

    Kerberos

    • A.

      80

    • B.

      88

    • C.

      888

    • D.

      8000

    • E.

      8080

    Correct Answer
    B. 88
  • 20. 

    ICQ and AIM

    • A.

      143

    • B.

      443

    • C.

      553

    • D.

      4000

    • E.

      5190

    Correct Answer
    E. 5190
  • 21. 

    Yahoo instant messaging service

    • A.

      4080

    • B.

      5010

    • C.

      5050

    • D.

      6050

    • E.

      6066

    Correct Answer(s)
    B. 5010
    C. 5050
    Explanation
    Can be either 5010 or 5050

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  • 22. 

    Oracle SQL

    • A.

      1443

    • B.

      1512

    • C.

      1612

    • D.

      1701

    • E.

      2800

    Correct Answer
    B. 1512

Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Dec 14, 2012
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 10, 2009
    Quiz Created by
    Potomos

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