unit-7

Which of the following is NOT a goal of network security?

• Installing antivirus software
• Blocking unauthorized access
• Confusing users
• Encrypting sensitive data

What is the primary function of encryption in network security?

• Protecting data by converting it into a secure format
• Using encryption to slow down network performance
• Converting data into plain text for better readability
• Encrypting data to make it easier to access

What does S/MIME stand for?

• Secure/Multipurpose Internet Mail Extensions
• System/Mail Internet Management
• Safe/Mail Internet Extensions
• Security/MIME

Which of the following is a primary feature of Pretty Good Privacy (PGP)?

• Insecure communication through plain text
• Secure communication through encryption and digital signatures
• Unauthenticated digital signatures
• Public communication without encryption

S/MIME and PGP are used to secure which type of communication?

• Email communication
• Text messaging communication
• Social media communication
• Video call communication

What is the main purpose of SSL and TLS?

• To increase network speed
• To provide secure communication over a network
• To provide entertainment services
• To improve battery life of devices

What does TLS stand for?

• Transmission Layer Security
• Technical Layer Security
• Text Layer Security
• Transport Layer Security

What is the primary purpose of IPsec?

• To enhance the speed of data transmission over an IP network
• To provide secure communication over an IP network
• To provide secure communication over a telephone network
• To improve the quality of video streaming over an IP network

What is the main function of a firewall in network security?

• To provide physical security to network devices
• To enhance network speed and performance
• To encrypt all network traffic
• To act as a barrier between trusted internal network and untrusted external networks, monitoring and controlling network traffic based on security rules.