Podcast
Questions and Answers
Which protocol is associated with port number 22?
Which protocol is associated with port number 22?
- Hypertext Transfer Protocol (HTTP)
- Secure Shell (SSH) (correct)
- File Transfer Protocol (FTP)
- Simple Mail Transfer Protocol (SMTP)
Which of the following protocols uses port 80?
Which of the following protocols uses port 80?
- Remote Desktop Protocol (RDP)
- Hypertext Transfer Protocol (HTTP) (correct)
- Dynamic Host Configuration Protocol (DHCP)
- Simple Network Management Protocol (SNMP)
What is the purpose of port numbers 53?
What is the purpose of port numbers 53?
- File Transfer
- Remote Access
- Domain Name System (DNS) (correct)
- Email Sending
Which port numbers are used by the Dynamic Host Configuration Protocol (DHCP)?
Which port numbers are used by the Dynamic Host Configuration Protocol (DHCP)?
For which protocol is port 443 commonly used?
For which protocol is port 443 commonly used?
Which protocol utilizes port number 161/162?
Which protocol utilizes port number 161/162?
Port number 25 is primarily used for which protocol?
Port number 25 is primarily used for which protocol?
Which port is used for the Remote Desktop Protocol?
Which port is used for the Remote Desktop Protocol?
What protocol operates on port number 389?
What protocol operates on port number 389?
Flashcards
What is SSH?
What is SSH?
A protocol for secure file transfer, primarily used for data exchange between computers.
What is DNS?
What is DNS?
A network protocol that translates domain names (like google.com) into IP addresses (like 172.217.160.42).
What is SMTP?
What is SMTP?
A protocol used for sending emails from one email server to another.
What is POP3?
What is POP3?
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What is SNMP?
What is SNMP?
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What is HTTPS?
What is HTTPS?
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What is HTTP?
What is HTTP?
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What is DHCP?
What is DHCP?
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What is SMB?
What is SMB?
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Study Notes
Common Port Numbers
- Port 20/21: File Transfer Protocol (FTP)
- Port 22: Secure Shell (SSH)
- Port 25: Simple Mail Transfer Protocol (SMTP)
- Port 53: Domain Name System (DNS)
- Port 67/68: Dynamic Host Configuration Protocol (DHCP)
- Port 80: Hypertext Transfer Protocol (HTTP)
- Port 110: Post Office Protocol v3 (POP3)
- Port 137/139: Network Basic Input/Output System (NetBIOS) / NetBIOS over TCP/IP
- Port 143: Internet Mail Access Protocol (IMAP)
- Port 161/162: Simple Network Management Protocol (SNMP)
- Port 389: Lightweight Directory Access Protocol (LDAP)
- Port 443: Hypertext Transfer Protocol Secure (HTTPS)
- Port 445: Server Message Block (SMB) / Common Internet File System (CIFS)
- Port 3389: Remote Desktop Protocol (RDP)
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