Computer Networks – Multiple Choice Questions (MCQs)

1. 37. What is the function of ARP?

   • A. To resolve IP addresses to MAC addresses
   • B. To resolve MAC addresses to IP addresses
   • C. To route packets across networks
   • D. To detect and correct errors in transmission

2. 38. What is DNS?

   • A. Domain Name System
   • B. Data Network Service
   • C. Digital Network System
   • D. Dynamic Naming Service

3. 39. What is the function of DNS?

   • A. To resolve domain names to IP addresses
   • B. To resolve IP addresses to domain names
   • C. To manage network security
   • D. To control network traffic

4. 40. What is TCP?

   • A. Transmission Control Protocol
   • B. Transfer Control Protocol
   • C. Technical Communication Protocol
   • D. Telecommunication Control Protocol

5. 41. What is UDP?

   • A. User Datagram Protocol
   • B. Universal Data Protocol
   • C. Unicast Data Protocol
   • D. Utility Data Protocol

6. 42. What is HTTP?

   • A. Hypertext Transfer Protocol
   • B. High-speed Text Transfer Protocol
   • C. Hybrid Text Transmission Protocol
   • D. Host Transfer Protocol

7. 43. What is HTTPS?

   • A. Hypertext Transfer Protocol Secure
   • B. High-speed Text Transfer Protocol Secure
   • C. Hybrid Text Transmission Protocol Secure
   • D. Host Transfer Protocol Secure

8. 44. What is FTP?

   • A. File Transfer Protocol
   • B. Fast Transfer Protocol
   • C. File Transmission Protocol
   • D. Frame Transfer Protocol

9. 45. What is SMTP?

   • A. Simple Mail Transfer Protocol
   • B. Secure Mail Transfer Protocol
   • C. System Mail Transfer Protocol
   • D. Standard Message Transfer Protocol

10. 46. What is DHCP?

    • A. Dynamic Host Configuration Protocol
    • B. Domain Host Configuration Protocol
    • C. Digital Host Control Protocol
    • D. Distributed Host Configuration Protocol

11. 47. What is the function of DHCP?

    • A. To automatically assign IP addresses to devices on a network
    • B. To manually configure IP addresses
    • C. To resolve domain names
    • D. To route network traffic

12. 48. What is a router?

    • A. A networking device that forwards data packets between networks
    • B. A device that connects devices within a local network
    • C. A device that amplifies network signals
    • D. A type of network cable