16. Network Security Quiz

What is the overall aim of network security?

• Allow everyone to access the network freely

• Prevent authorized people from accessing the network

• Allow unauthorized people to access the network

• Allow authorized people to access what they need and prevent unauthorized people any access

What is authentication in network security?

• The process of checking if a user has a valid account on an online system

• A method to prevent unwanted internet traffic from gaining access to a local area network

• A method to block certain ports and types of traffic

• The process of turning plaintext into something which is unreadable

When might encryption be used in network security?

• To allow only a set number of physical devices to connect to a wireless network

• To make plain text unreadable by an unauthorized source

• To prevent authorized people from accessing the network

• To prevent unauthorized people from accessing the network

What is the purpose of a firewall in network security?

• To allow everyone to access the network freely

• To inspect the contents of traffic that is traveling across the firewall to see if it looks suspicious

• To prevent unauthorized people from accessing the network

• To let only certain types of traffic through it

What is MAC address filtering in network security?

• A method to block certain ports and types of traffic

• A method to prevent unwanted internet traffic from gaining access to a local area network

• A method to create white lists of MAC addresses to control network access

• The process of turning plaintext into something which is unreadable

When would you use authentication in network security?

• To check if a user has a valid account on an online system

• To prevent unauthorized people from accessing the network

• To make plain text unreadable by an unauthorized source

• To allow only a set number of physical devices to connect to a wireless network

When might encryption be used in network security?

• To prevent unauthorized people from accessing the network

• To make plain text unreadable by an unauthorized source

• To allow only a set number of physical devices to connect to a wireless network

• To prevent authorized people from accessing the network

What is the purpose of a firewall in network security?

• To allow everyone to access the network freely

• To prevent unauthorized people from accessing the network

• To inspect the contents of traffic that is traveling across the firewall to see if it looks suspicious

• To let only certain types of traffic through it

What is MAC address filtering in network security?

• A method to prevent unwanted internet traffic from gaining access to a local area network

• The process of turning plaintext into something which is unreadable

• A method to block certain ports and types of traffic

• A method to create white lists of MAC addresses to control network access

When would you use MAC address filtering in network security?

• To make plain text unreadable by an unauthorized source

• To check if a user has a valid account on an online system

• To prevent unauthorized people from accessing the network

• To allow only a set number of physical devices to connect to a wireless network