Important Questions for Class 12 Computer Science (Python) — Networking and Open Source Concepts
computer networks important questions class 12 computer science with python
Q 1. What is a Hub?
ans. a hub is hardware device used to connect several computers together.
Q 2. What are major types of networks and explain?
ans. (i) server-based network:-
it provides centralized control of network resources and rely on server computers to provide security and network administration.
(ii) peer-to-peer network:-
in this type of network, computers can act as both servers sharing resources and as clients using the resources.
Q 3. what is the purpose of using router ?
ans. a router can work like a bridge and can also handle different protocols . a router can locate the destination required by sending the traffic to another router, if the destination is unknown to itself.
Q 4. what is NIC ?
ans. NIC stands for Network Interface Card. it is also known as network adapter. it is in the form of add-in card and is installed in a computer so that the computer can be connected to a network.
Q 5. what are the security concerns related to IOT ?
ans. data security and privacy are major concerns related to IOT. these devices are vulnerable to hacking and cloud endpoints could be used by hackers to attack servers.
Q 6. the unique address of web page on the web is called_______ .
ans. URL or URI
Q 7. a stand alone computer may also be referred to as host. (true / false)
Q 8. which of the following is not a type of cloud ?
(a) private (b) public © protected (d) hybrid
Q 9. write full forms for (i) POP (ii) SMTP (iii) DNS (iv) NIC
(i) post office protocol
(ii) simple mail transfer protocol
(iii)domain name system
(iv)network interface card
Q 10. which of these is the correct definition of a router?
(i) forwards data packets along a network
(ii) corrects errors that are found in data packets
(iii) a type of transmission media that provides the greatest bandwidth
(iv) a server within a network
ans. (i) forwards data packets along a network