Task 502

Which of the following TCP ports is used by the HTTP protocol?

• 443

• 80

• 21

• 22

What port number is commonly used for DNS queries?

• 110

• 53

• 25

• 161

Which protocol uses TCP port 22 by default?

• FTP

• Telnet

• SSH

• SMTP

WHat is the default port number for the SMTP protocol?

• 110

• 25

• 143

• 587

Which of the following ports is used by HTTPS?

• 80

• 21

• 443

• 3389

Which service typically runs on TCP ports 20 and 21?

• SMTP

• FTP

• DNS

• IMAP

Which of the following UDP ports is used by DHCP for client-server communication?

• 53

• 67

• 161

• 110

What port number is used by the Telnet protocol?

• 22

• 21

• 23

• 80

IMAP, used for accessing email, typically operates on which port?

• 110

• 25

• 143

• 993

Which protocol uses UDP port 161 for managing and monitoring network devices?

• SNMP

• DNS

• FTP

• NTP