L8: Network security Defence in Depth

What is the purpose of defence-in-depth in cyber security?

• To introduce countermeasures against potential security threats at various stages

• To create a single barrier to prevent attacks

• To limit access to information and data

• To use the same security measures across all layers

What is the principle of diversity in the layered security approach?

• Implementing authorisation and setting folder and file permissions

• Using the same security measures across all layers

• Having relevant and diverse security measures across all layers

• Purchasing security mechanisms from the same manufacturer

What is the purpose of CAPTCHA in cyber security?

• To disable guest access for a wireless network

• To change the default username and password of a wireless router

• To verify the identity of a user as a human and not a bot

• To encrypt data transmitted over a wireless network

What is the purpose of encryption in a wireless network?

• To broadcast the wireless SSID

• To hide the wireless SSID from prying eyes

• To scramble data before it is sent over the network

• To limit access to only authorized devices

What is the purpose of MAC filtering in a wireless network?

• To limit access to only authorized devices

• To disable guest access for the wireless network

• To change the default encryption key of the router

• To connect a device to the network with minimum effort

What is the purpose of Wi-Fi Protected Setup (WPS) in a wireless network?

• To hide the wireless SSID from prying eyes

• To disable guest access for the wireless network

• To connect a device to the network with minimum effort

• To change the default username and password of the wireless router

What is the purpose of Faraday cages in cyber security?

• To verify the identity of a user as a human and not a bot

• To prevent the wireless signal from leaking outside a certain perimeter

• To limit access to only authorized devices

• To encrypt data transmitted over a wireless network

What is the purpose of WPA3 in a wireless network?

• To broadcast the wireless SSID

• To connect a device to the network with minimum effort

• To hide the wireless SSID from prying eyes

• To ensure the security of the information that is either in transit or is stored

What is the purpose of setting automatic updates in cyber security?

• To verify the identity of a user as a human and not a bot

• To change the default encryption key of the router

• To limit access to only authorized devices

• To ensure that the system is up-to-date as soon as a new update or patch is released

What is the purpose of anti-virus software in cyber security?

• To ensure the security of the information that is either in transit or is stored

• To block many malicious and unauthorized programs from accessing the system

• To hide the wireless SSID from prying eyes

• To connect a device to the network with minimum effort