TCP Ports: CompTIA A+ Trivia Quiz

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| By Joeloveland
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Quizzes Created: 1 | Total Attempts: 136
| Attempts: 136
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  • 1/8 Questions

    Port 80

    • SMTP
    • HTTPS
    • DNS
    • HTTP
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About This Quiz

This TCP Ports: CompTIA A+ Trivia Quiz assesses knowledge of essential network ports used in IT, such as HTTP, SMTP, and DNS. It is designed for learners preparing for the CompTIA A+ certification, focusing on practical skills and network security essentials.

TCP Ports: CompTIA A+ Trivia Quiz - Quiz

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  • 2. 

    POP3 uses what port?

    • 110

    • 25

    • 465

    • 443

    Correct Answer
    A. 110
    Explanation
    POP3 (Post Office Protocol version 3) is a protocol used for retrieving emails from a mail server. It operates on port 110, which is the correct answer given in the options. Port 25 is used for SMTP (Simple Mail Transfer Protocol) for sending emails, port 465 is used for SMTP over SSL/TLS, and port 443 is used for HTTPS (Hypertext Transfer Protocol Secure). However, for POP3, the standard port is 110.

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  • 3. 

    HTTPS uses which port?

    • 80

    • 443

    • 465

    • 90

    Correct Answer
    A. 443
    Explanation
    HTTPS (Hypertext Transfer Protocol Secure) is a secure version of HTTP that encrypts the data being transmitted between a web browser and a website. It uses port 443 as the default port for establishing secure connections. This port is specifically designated for secure communication, ensuring that the data exchanged between the client and the server remains encrypted and protected from unauthorized access or tampering. Using port 443 allows HTTPS to provide a secure and reliable means of transmitting sensitive information over the internet.

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  • 4. 

    Port 23

    • WXXA

    • SSH

    • SMTP

    • Telnet

    Correct Answer
    A. Telnet
    Explanation
    Port 23 is commonly used for the Telnet protocol. Telnet is a network protocol that allows remote control of computers over a network. It provides a command-line interface to access and manage remote devices. Telnet is often used for remote administration, troubleshooting, and accessing remote systems. Therefore, the correct answer for this question is Telnet.

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  • 5. 

    Port 25

    • SMTP

    • POP3

    • SSH

    • HTML

    Correct Answer
    A. SMTP
    Explanation
    SMTP stands for Simple Mail Transfer Protocol and is used for sending emails. Port 25 is the default port for SMTP communication. This means that when an email is sent from one server to another, it is typically done using port 25. SMTP allows for the transfer of email messages between servers, enabling the delivery of emails to the intended recipients. Therefore, the correct answer is SMTP as it is the protocol associated with port 25.

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  • 6. 

    FTP uses which ports?

    • 20

    • 23

    • 21

    • 25

    Correct Answer(s)
    A. 20
    A. 21
    Explanation
    FTP (File Transfer Protocol) uses ports 20 and 21. Port 21 is used for the control channel, where commands and responses are exchanged between the client and server to establish and manage the connection. Port 20 is used for the data channel, where the actual file transfers occur. The separation of these ports allows for simultaneous control and data transfers, making FTP an efficient protocol for transferring files over a network.

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  • 7. 

    DNS uses which port?

    • 80

    • 89

    • 43

    • 53

    Correct Answer
    A. 53
    Explanation
    DNS (Domain Name System) uses port number 53. DNS is responsible for converting domain names into IP addresses, allowing users to access websites by using easy-to-remember domain names instead of complex IP addresses. The DNS protocol uses port 53 to establish communication between DNS clients and servers. This port is specifically assigned for DNS traffic, ensuring that DNS queries and responses are properly transmitted and received. By using port 53, DNS ensures efficient and reliable name resolution for internet users.

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  • 8. 

    Port 465

    • Telnet

    • SMTP over SSL

    • LRSP

    • HTTP

    Correct Answer
    A. SMTP over SSL
    Explanation
    Port 465 is used for SMTP over SSL, which means that it is a secure version of the Simple Mail Transfer Protocol (SMTP). SMTP is the standard protocol used for sending email messages between servers, but it is not secure by default. By using SSL (Secure Sockets Layer) encryption on port 465, the communication between the email client and the email server is encrypted, ensuring that the data transmitted is protected from unauthorized access or interception. This secure connection is important for safeguarding sensitive information, such as login credentials or the content of the email messages.

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  • Current Version
  • Mar 14, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 12, 2012
    Quiz Created by
    Joeloveland
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