Test Your Knowledge About Common Network Port Numbers? Quiz!

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Test Your Knowledge About Common Network Port Numbers? Quiz! - Quiz

Do you have any experience with common network port numbers? This quiz can help you to find out exactly what they are if you are not sure and test your knowledge if you are already well-versed with them. The most commonly used and best-known port numbers are those numbers of 0 to 123, which is committed to internet use, but they reach much higher for specialized purposes. This quiz will tell you all about standard network port numbers.


Questions and Answers
  • 1. 

    ICMP

    • A.

      80

    • B.

      23

    • C.

      7

    • D.

      21

    Correct Answer
    C. 7
    Explanation
    ICMP is ping/pong (verify if the connection is Alice, by echoing packets)

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  • 2. 

    FTP

    • A.

      23

    • B.

      21

    • C.

      25

    • D.

      49

    Correct Answer
    B. 21
    Explanation
    Is used to upload and download files from the server.

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  • 3. 

    SSH

    • A.

      22

    • B.

      110

    • C.

      88

    • D.

      119

    Correct Answer
    A. 22
    Explanation
    Remote login protocol

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  • 4. 

    TelNet

    • A.

      7

    • B.

      21

    • C.

      161

    • D.

      23

    Correct Answer
    D. 23
    Explanation
    Allows the remote users to access the system.

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  • 5. 

    SMTP

    • A.

      110

    • B.

      25

    • C.

      88

    • D.

      47

    Correct Answer
    B. 25
    Explanation
    email/outgoing/microsoft outlook express

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  • 6. 

    TACACS

    • A.

      49

    • B.

      53

    • C.

      69

    • D.

      79

    Correct Answer
    A. 49
    Explanation
    Terminal Access Controller Access control system

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  • 7. 

    DNS

    • A.

      49

    • B.

      53

    • C.

      123

    • D.

      445

    Correct Answer
    B. 53
    Explanation
    Domain Names Services (converts friendly name to IP address)

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  • 8. 

    TFTP

    • A.

      79

    • B.

      49

    • C.

      29

    • D.

      69

    Correct Answer
    D. 69
    Explanation
    Trvial file transfer protocol(firmware updates like for firewall drivers)

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  • 9. 

    Finger

    • A.

      7

    • B.

      221

    • C.

      79

    • D.

      21

    Correct Answer
    C. 79
  • 10. 

    HTTP

    • A.

      80

    • B.

      88

    • C.

      49

    • D.

      47

    Correct Answer
    A. 80
    Explanation
    hyper text transfer protocol

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  • 11. 

    Kereberos

    • A.

      110

    • B.

      88

    • C.

      119

    • D.

      135

    Correct Answer
    B. 88
    Explanation
    Server that talks dialect/Ispec (time based security token)

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  • 12. 

    POP3

    • A.

      110

    • B.

      119

    • C.

      143

    • D.

      67

    Correct Answer
    A. 110
    Explanation
    Email/Incoming/Microsoft outlook & express

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  • 13. 

    NNTP

    • A.

      110

    • B.

      88

    • C.

      119

    • D.

      135

    Correct Answer
    C. 119
    Explanation
    New News Transfer Protocol

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  • 14. 

    NTP

    • A.

      123

    • B.

      143

    • C.

      161

    • D.

      389

    Correct Answer
    A. 123
    Explanation
    Time

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  • 15. 

    RPC to Net Bios

    • A.

      161-169

    • B.

      111-119

    • C.

      135-139

    • D.

      126-129

    Correct Answer
    C. 135-139
    Explanation
    The correct answer is 135-139. These port numbers correspond to the NetBIOS (Network Basic Input/Output System) protocol, which is used for communication between computers on a local area network (LAN). NetBIOS allows applications on different computers to communicate with each other and share resources. Port numbers 135-139 are specifically used for NetBIOS session services, such as establishing and terminating connections, as well as for name services, which handle name registration and resolution.

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  • 16. 

    IMAP

    • A.

      143

    • B.

      161

    • C.

      162

    • D.

      389

    Correct Answer
    A. 143
    Explanation
    Instant message access protocol (firewall/router)

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  • 17. 

    SNMP

    • A.

      445

    • B.

      79

    • C.

      80

    • D.

      161

    Correct Answer
    D. 161
    Explanation
    Simple Network management Protocol (Active Directory)

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  • 18. 

    SNMP-TRAP

    • A.

      143

    • B.

      163

    • C.

      162

    • D.

      119

    Correct Answer
    C. 162
  • 19. 

    LDAP

    • A.

      389

    • B.

      162

    • C.

      443

    • D.

      110

    Correct Answer
    A. 389
    Explanation
    Light Weight Directory Access Protocol (Active Directory)

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  • 20. 

    HTTPS(SSL)

    • A.

      143

    • B.

      443

    • C.

      636

    • D.

      69

    Correct Answer
    B. 443
    Explanation
    Hypertext Transfer Protocol Secure (SSL Public Certificate)

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  • 21. 

    File Sharing

    • A.

      89

    • B.

      479

    • C.

      445

    • D.

      636

    Correct Answer
    C. 445
    Explanation
    File and printer sharing

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  • 22. 

    LDAP over TLS/SSL

    • A.

      445

    • B.

      443

    • C.

      389

    • D.

      636

    Correct Answer
    D. 636
    Explanation
    LDAP (Lightweight Directory Access Protocol) is a protocol used for accessing and managing directory information services. The given options represent different ports commonly used for LDAP communication. LDAP over TLS/SSL, also known as LDAPS, is a secure version of LDAP that uses SSL/TLS encryption to protect the data transmitted between the client and server. Port 636 is the standard port for LDAPS communication. Therefore, the correct answer is 636.

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  • 23. 

    SQL

    • A.

      1433

    • B.

      1701

    • C.

      1720

    • D.

      1723

    Correct Answer
    A. 1433
    Explanation
    Microsoft SQL server

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  • 24. 

    L2TP

    • A.

      1600

    • B.

      1701

    • C.

      1723

    • D.

      1705

    Correct Answer
    B. 1701
    Explanation
    The correct answer is 1701. L2TP (Layer 2 Tunneling Protocol) is a protocol used for creating virtual private networks (VPNs). It operates at the transport layer of the OSI model and uses UDP port 1701 for establishing and maintaining the tunnel between the client and server. This port is specifically designated for L2TP traffic, allowing for secure communication over the internet.

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  • 25. 

    H323

    • A.

      1723

    • B.

      389

    • C.

      1720

    • D.

      1812

    Correct Answer
    C. 1720
    Explanation
    Video Conferencing

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  • 26. 

    PPTP

    • A.

      143

    • B.

      636

    • C.

      1433

    • D.

      1723

    Correct Answer
    D. 1723
    Explanation
    The correct answer is 1723. PPTP stands for Point-to-Point Tunneling Protocol, which is a network protocol used for creating VPNs (Virtual Private Networks). PPTP uses TCP port 1723 for establishing a connection between the client and the VPN server. Therefore, port 1723 is the correct answer as it is specifically associated with PPTP.

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  • 27. 

    RADIUS

    • A.

      1812

    • B.

      2043

    • C.

      1701

    • D.

      1433

    Correct Answer
    A. 1812
    Explanation
    UDP Remote Authetication Dial in User Service

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  • 28. 

    Bit Torrent

    • A.

      2033

    • B.

      2043

    • C.

      3389

    • D.

      1720

    Correct Answer
    B. 2043
    Explanation
    illegal UDP

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  • 29. 

    Remote Desktop

    • A.

      6588

    • B.

      8080

    • C.

      3389

    • D.

      2045

    Correct Answer
    C. 3389
    Explanation
    Port 3389 is the correct answer because it is the default port used by the Remote Desktop Protocol (RDP). RDP is a proprietary protocol developed by Microsoft that allows users to remotely connect to and control another computer over a network. By using port 3389, users can establish a secure remote desktop connection to a Windows-based computer. This port is commonly used for remote administration and accessing files and applications on a remote machine.

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  • 30. 

    AnalogX

    • A.

      8080

    • B.

      9001

    • C.

      1723

    • D.

      6588

    Correct Answer
    D. 6588
    Explanation
    For HTTP proxy

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  • 31. 

    Proxy Server

    • A.

      8080

    • B.

      6588

    • C.

      3389

    • D.

      2043

    Correct Answer
    A. 8080
    Explanation
    memorizes

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  • 32. 

    Printersharing

    • A.

      8080

    • B.

      9001

    • C.

      2043

    • D.

      636

    Correct Answer
    B. 9001
    Explanation
    For HP and Lexmark

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  • 33. 

    GRE of VPN

    • A.

      53

    • B.

      49

    • C.

      47

    • D.

      50

    Correct Answer
    C. 47
    Explanation
    The given question seems to be incomplete or not readable as it only provides a list of numbers without any context or prompt. Therefore, it is not possible to generate an explanation for the correct answer.

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  • 34. 

    VPN PPTP Internal

    • A.

      80

    • B.

      79

    • C.

      25

    • D.

      50

    Correct Answer
    D. 50
    Explanation
    The given answer, 50, is the correct answer because it is the port number commonly used for PPTP (Point-to-Point Tunneling Protocol) VPN connections. PPTP is a protocol that allows secure and private communication between a client and a server over the internet. Port numbers are used to identify specific processes or services on a network, and port 50 is specifically assigned to PPTP VPN connections.

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  • 35. 

    VPN L2TP external

    • A.

      500

    • B.

      161

    • C.

      88

    • D.

      110

    Correct Answer
    A. 500
    Explanation
    The number "500" in this context could refer to a specific port number. In computer networking, port numbers are used to identify specific processes or services running on a device. In this case, "500" might be the port number associated with the VPN L2TP (Layer 2 Tunneling Protocol) external service. This port would be used for communication and data transfer related to the VPN L2TP protocol.

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  • 36. 

    VPN encrypts and encapsulates

    • A.

      3389

    • B.

      1723

    • C.

      88

    • D.

      162

    Correct Answer
    B. 1723
    Explanation
    The correct answer is 1723. VPN (Virtual Private Network) encrypts and encapsulates data to ensure secure transmission over a network. Port 1723 is commonly used for VPN communication using the PPTP (Point-to-Point Tunneling Protocol) protocol. PPTP establishes a secure connection by encapsulating data within IP packets and encrypting it, providing a secure and private communication channel.

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  • 37. 

    BOOTP

    • A.

      59

    • B.

      47

    • C.

      67

    • D.

      80

    Correct Answer
    C. 67
    Explanation
    BOOTP is a network protocol that allows a client to obtain its IP address automatically from a server. It stands for Bootstrap Protocol. The numbers 59, 47, 67, and 80 seem to be irrelevant to the question and do not provide any context or relation to BOOTP. Therefore, the correct answer is 67, which is likely the correct answer based on the given information.

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  • 38. 

    BOOTTP Client

    • A.

      139

    • B.

      88

    • C.

      169

    • D.

      68

    Correct Answer
    D. 68

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

  • Current Version
  • Mar 17, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • May 12, 2010
    Quiz Created by
    Zombieface
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