Comptia port numbers

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Last updated 8:55 PM on 1/16/25
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21 Terms

1
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What service operates on Port 7?

Echo - Echo service

2
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What is the function of Port 20?

FTP-data - File Transfer Protocol data transfer

3
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What service uses Port 21?

FTP - File Transfer Protocol control connection

4
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What does SSH stand for and what is its Port?

Secure Shell, operates on Port 22 for secure logins, file transfers (scp, sftp), and port forwarding.

5
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What type of communication does Telnet use and on which port?

Telnet uses unencrypted text communications on Port 23.

6
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What protocol is utilized for email routing on Port 25?

SMTP - Simple Mail Transfer Protocol.

7
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Which Port does DNS operate on?

Port 53 - Domain Name System name resolver.

8
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What is the purpose of TFTP and its Port?

Trivial File Transfer Protocol operates on Port 69.

9
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What is the primary use of Port 80?

HTTP - Hypertext Transfer Protocol.

10
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What Port does POP3 use?

Port 110 - Post Office Protocol, version 3.

11
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Define IMAP4 and its Port.

IMAP4 - Internet Message Access Protocol (IMAP), operates on Port 143.

12
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What is HTTPS and which Port does it use?

HTTP over SSL - Hypertext Transfer Protocol Secure, operates on Port 443.

13
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What is the purpose of Port 587?

SMTP - Email message submission.

14
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What does WASTE stand for and its Port number?

WASTE - WASTE Encrypted File Sharing Program, operates on Port 1337.

15
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What protocols are associated with DHCP and their Ports?

DHCP IN uses Port 67 and DHCP OUT uses Port 68.

16
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What does SNMP stand for and its Port?

Simple Network Management Protocol, operates on Port 161.

17
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What does LDAP represent and its corresponding Port?

LDAP - Lightweight Directory Access Port, operates on Port 389.

18
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What is the purpose of SMB and which Port does it use?

Server message block, operates on Port 445.

19
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What does sIMAP stand for and its Port number?

sIMAP - sIMAP4, operates on Port 993.

20
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What service does RDP provide and which Port is it associated with?

Remote Desktop Protocol operates on Port 3389.

21
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What is the function of the Network Time Protocol and its Port?

NTP - Network Time Protocol, operates on Port 123.