10_Skill_Quiz on Common Network Ports

Which port number is used by FTP for data transfers?

• Port 21

• Port 23

• Port 22

• Port 20

Which protocol uses TCP port 22 for terminal connections to remote devices?

• Telnet

• SSH

• SMTP

• FTP

What port number does SMTP commonly use for communication between mail servers?

• Port 80

• Port 53

• Port 25

• Port 20

Which protocol uses UDP port 53 for resolving domain names to IP addresses?

• FTP

• DHCP

• SSH

• DNS

What are the well-known ports for DHCP?

• Port 67 and Port 68

• Port 80 and Port 443

• Port 110 and Port 143

• Port 161 and Port 162

Which protocol uses TCP port 80 for non-encrypted web communication?

• IMAP

• HTTP

• SMTP

• HTTPS

What is the port number commonly used by SNMP for network management queries?

• Port 389

• Port 53

• Port 20

• Port 161

Which protocol uses TCP port 3389 for remote desktop sharing in Windows?

• FTP

• SSH

• RDP

• LDAP

What is the port number commonly used by LDAP for querying directories?

• Port 161

• Port 53

• Port 20

• Port 389

Which protocol uses UDP port 162 for sending alerts to a management station?

• SNMP

• LDAP

• IMAP

• SMTP