NETWORK ADMINISTRATION FINAL EXAM 2024-25

What is the primary purpose of network security protocols?

• To speed up data transfer

• To protect data from unauthorized access, interception, and modification

• To optimize the use of network resources

Which type of network security protocol ensures data is transmitted without corruption?

• Security

• Management

• Communication

What is the main difference between SSL and TLS?

• TLS is an upgraded version of SSL with improved security

• SSL supports secure VPNs, while TLS does not

• TLS was developed in the 1980s, while SSL was developed in the 2000s

Which port does HTTPS use by default for secure data transfer?

• Port 80

• Port 21

• Port 443

Which protocol is primarily used for secure communication between two machines over an insecure network?

• HTTPS

• Secure Shell (SSH)

• Simple Mail Transfer Protocol (SMTP)

What is the role of Kerberos in network security?

• Encrypt data at the IP layer

• Authenticate requests between trusted hosts on untrusted networks

• Monitor and manage network devices

Which type of VPN encrypts traffic at the edge of a network to ensure privacy?

• Trusted VPN

• Secure VPN

• Hybrid VPN

Which of the following describes a hybrid VPN?

• A VPN that combines secure and trusted VPN technologies

• A VPN used exclusively for LANs

• A VPN that operates without encryption

What is the main function of a firewall?

• To block all network traffic

• To act as a barrier and filter unauthorized traffic entering or leaving a network

• To encrypt data for secure transmission

Which type of firewall is installed as an application on individual computers?

• Hardware firewall

• Cloud firewall

• Software firewall