Network Protocols Quiz

Which protocol should be used to remotely manage a network device securely?

• Telnet

• FTP

• SSH

• TFTP

What is the primary difference between FTP and SFTP?

• FTP uses UDP, and SFTP uses TCP.

• FTP encrypts files, and SFTP does not.

• SFTP encrypts files, and FTP does not.

• Both protocols use the same security features.

Which protocol is responsible for assigning IP addresses dynamically on a network?

• DNS

• DHCP

• FTP

• RDP

Which combination of ports is used by HTTPS and SSH?

• 443 and 80

• 22 and 443

• 22 and 110

• 80 and 3389

Why might TCP be used for DNS communication instead of UDP?

• For resolving large queries that exceed typical UDP limits

• For faster communication in real-time applications

• To improve performance by reducing encryption overhead

• To avoid conflicts with HTTP traffic

What is the main benefit of using IMAP instead of POP3 for managing emails across devices?

• POP3 stores emails across multiple servers.

• IMAP allows email synchronization across devices.

• IMAP reduces the need for encryption.

• POP3 uses more secure communication channels.

Which protocol and port combination allows viewing of logs remotely from network devices?

• SNMP on port 161

• Telnet on port 23

• Syslog on port 514

• FTP on port 21

Which protocol manages the setup and teardown of VoIP calls?

• DHCP

• SIP

• DNS

Why is SNMP v3 preferred over earlier versions?

• It supports more devices.

• It adds encryption and message integrity.

• It uses less bandwidth.

• It simplifies management with fewer configurations.

What is the impact of disabling NTP on a network?

• Devices will continue to synchronize with each other automatically.

• Log timestamps may not align across devices.

• IP addresses will not be dynamically assigned.

• DNS services will become unavailable.