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Questions and Answers

What is the purpose of a VPN?

To classify different types of networks

To secure data transmission over a public network (correct)

To physically connect devices within a limited area

To convert IP addresses to domain names

What is the main function of DNS?

Classifying network cables based on their usage

Resolving domain names to IP addresses (correct)

Securing data transmission over LANs

Assigning unique identifiers to network devices

What does a MAC address uniquely identify?

Location of a device in a network

Internet Protocol version of a device

Domain names of websites

A network device's hardware (correct)

How is bandwidth defined in networking?

The speed of data transfer in a network Signup and view all the answers

What is the purpose of TCP/IP?

To facilitate communication between devices on a network Signup and view all the answers

Which type of topology is best suited for large businesses which must carefully control and coordinate the operation of distributed branch outlets?

Hierarchical Signup and view all the answers

What kind of transmission medium is most appropriate to carry data in a computer network that is exposed to electrical interferences?

Optical fiber Signup and view all the answers

Which of the following transmission directions listed is not a legitimate channel?

Double Duplex Signup and view all the answers

Which one of the following is a valid email address?

<a href="mailto:[email protected]">[email protected]</a> Signup and view all the answers

What does HTTP stand for?

Hypertext transfer protocol Signup and view all the answers

What is a proxy server used for?

With external access acting as a backup Signup and view all the answers