Network Security Quiz

What does the CIA Triad stand for in network security?

• Confidentiality, Integrity, Availability

• Confidentiality, Information, Access

• Control, Integrity, Access

• Confidentiality, Information, Availability

What is the role of network infrastructure?

• To provide services like email and web conferencing

• To protect data assets

• To include cables, network devices, and protocols

• To manage business workflows

Which of the following is an example of a network application?

• Routers and switches

• Email systems and web servers

• IP addresses

• Firewalls

Why is confidentiality important in network security?

• To ensure data is accessible to everyone

• To prevent unauthorized reading of private data

• To make data available at all times

• To ensure data is not lost

What is the role of the Mailbox Server in an email system?

• To connect a person's laptop to the network

• To hold all the emails and ensure legitimate users can access them

• To provide security filtering for the network

• To manage the physical cables and fibers

Which layer of the OSI model is responsible for logical addressing and routing?

• Layer 1 (Physical)

• Layer 2 (Data Link)

• Layer 3 (Network)

• Layer 4 (Transport)

What is a node in a network?

• A device that uses the network

• A connection between two nodes

• A network interface device like a computer or a router

• A security filter for the network

What is the main concern when a Mail Transfer Server talks to the outside world?

• Ensuring data segments are reliably sent

• Crossing from a trusted area to an untrusted area

• Managing cables, radio waves, and fibers

• Packaging data on local networks

Which layer of the OSI model deals with the actual roads, such as cables and fibers?

• Layer 1 (Physical)

• Layer 2 (Data Link)

• Layer 3 (Network)

• Layer 4 (Transport)

What is an intermediary node?

• A device that stores data

• A device that forwards traffic

• A device that creates data

• A device that deletes data