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Computer Networks MCQs

#1. Which network device is used to amplify and regenerate data signals in order to extend the range of a network?

#2. What is the primary purpose of an email client program?

#3. Which type of network is typically used for connecting devices within a home or office environment?

#4. What is the main purpose of a firewall in a computer network?

#5. Which protocol is used for secure remote login and file transfer over a network?

#6. What is the purpose of a MAC address in networking?

#7. What is the main function of a DNS cache in a computer system?

#8. In a network, what does the term "bandwidth" refer to?

#9. Which wireless encryption protocol is considered the most secure as of 2022?

#10. What is the purpose of a subnet in a computer network?

#11. Which protocol is used for secure remote access to a network using a Virtual Private Network (VPN)?

#12. What is the purpose of a proxy server in a network?

#13. What is the function of a repeater in a network?

#14. What is the purpose of ICMP (Internet Control Message Protocol) in a computer network?

#15. Which type of cable is commonly used for Ethernet networking and can support high-speed data transmission?

#16. What is the primary function of a router in a computer network?

#17. Which network device is used to connect multiple networks together and make decisions about where to send data packets?

#18. Which protocol is used for transferring files over a secure connection (encrypted) on a network?

#19. What is the purpose of VLAN (Virtual LAN) in networking?

#20. What is the main purpose of a DNS cache in a computer system?

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