Networking, OSI, and Components Review

Which of the following interconnects network components that are geographically separated?

• Local Area Network (LAN)
• Wide Area Network (WAN)
• Metropolitan Area Network (MAN)
• Virtual Private Network (VPN)

In which of the following topologies are all network devices connected to a central point with their own individual cables or wireless connections?

• Mesh topology
• Bus topology
• Star topology
• Ring topology

Which of the following are drawbacks of using a bus topology?

• very expensive

• difficult to install

• hard to change, move, and troubleshoot

• doesn't provide much fault tolerance

Which should be enabled on a computer that has a direct connection to the internet?

• firewall

• router

• switch

• VPN

A group of computers is connected in a single physical location. What is this called?

• Local Area Network (LAN)
• Personal Area Network (PAN)
• Metropolitan Area Network (MAN)
• Wide Area Network (WAN)

You want to connect computers to each other within a subset. Which of the following networking devices should you use?

• switch

• router

• hub

• bridge

An employee is able to connect to the employer's private network over the Internet. What is the employee using?

• Firewall
• Proxy Server
• Public Wi-Fi
• VPN

You need a topology that is scalable to use in your network. Which of the following will you install?

• Bus

• Ring

• Star

• Mesh

• All of these

In a _____ topology, if the central node fails, the entire network is inoperable.

In which topology does each device have a dedicated point-to-point link to every other device?

• Star topology
• Ring topology
• Mesh topology
• Bus topology