Networking Concepts Quiz - CBSE Class 12 ICT

Free practice quiz: Networking Concepts (CBSE Class 12 ICT). 20 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is the basic function of a network interface card (NIC)?

   1. To process data
   2. To connect a computer to a network
   3. To store data
   4. To manage power
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   Answer: B. To connect a computer to a network

   A NIC is a hardware component that allows a computer to connect to a network.

2. What does TCP/IP stand for and what is its primary function?

   1. Transmission Control Protocol/Internet Protocol; routing data packets
   2. Transfer Control Protocol/Internet Protocol; managing files
   3. Transmission Control Protocol/Internet Protocol; securing networks
   4. Transfer Control Protocol/Internet Protocol; encrypting data
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   Answer: A. Transmission Control Protocol/Internet Protocol; routing data packets

   TCP/IP is the fundamental communication protocol suite for the internet. TCP ensures reliable data transmission, while IP handles addressing and routing.

3. What is a firewall and how does it enhance network security?

   1. A physical barrier protecting network devices
   2. A software or hardware that controls network access
   3. A software for data encryption
   4. A network topology
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   Answer: B. A software or hardware that controls network access

   A firewall examines network traffic and blocks unauthorized access attempts, enhancing network security.

4. Describe the functionalities of a Domain Name System (DNS) server and its importance in internet navigation.

   1. Translates domain names into IP addresses
   2. Manages email accounts
   3. Stores web pages
   4. Secures network connections
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   Answer: A. Translates domain names into IP addresses

   DNS servers are essential for translating human-readable domain names (e.g., google.com) into machine-readable IP addresses.

5. Discuss the challenges in implementing and managing large-scale enterprise networks, including scalability, security, and cost optimization.

   1. Scalability requires flexible architecture; security demands robust measures; cost involves hardware, software, and personnel
   2. Only scalability is a challenge
   3. Only security is a challenge
   4. Only cost is a challenge
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   Answer: A. Scalability requires flexible architecture; security demands robust measures; cost involves hardware, software, and personnel

   Large networks face complex challenges across various domains that need careful planning and management.

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