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Computer Networks MCQs

#1. What is the purpose of an IP address in a computer network?

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

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

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

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

#6. What is the purpose of NAT (Network Address Translation) in a router?

#7. What is the maximum transmission speed of a standard Ethernet connection in bits per second?

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

#9. Which protocol is responsible for assigning IP addresses dynamically to devices on a network?

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

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

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

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

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

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

#16. What is the purpose of a default gateway in IP networking?

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

#18. What is the purpose of an IP address in a computer network?

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

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