20 most important Questions for Computer operator-2078

Computer Networking 20 most important Questions for Computer operator-2078

Blogs Computer Fundamental

1. Which of the following protocol is used for remote terminal connection service?





2. Which of the following terms is just the collection of networks that can be joined together?

(A) Intranet

(B) Extranet

(C) Internet


3. The application layer of the OSI model is

(A) Four layer

(B) Five layer

(C) Six layer

(D) Seven layer

4. Bluetooth is an example of

(A) Wide area network

(B) Virtual private network

(C) Local area network

(D) Personal area network

5. FDDI is

(A) Bus based network

(B) Mesh network

(C) Star network

(D) Ring network

6. Computers connected to a LAN (Local Area Network) can

(A) Share information and/or share peripheral equipment

(B) E-mail

(C) Go on line

(D) Run faster

6. The data rate of the ISDN basic access B channel is

(A) 32 Kbps

(B) 64 Kbps

(C) 144 Kbps

(D) 192 Kbps

8. Null modems are type of

(A) Modem

(B) Modem eliminator

(C) Protocol converter

(D) Multiplexer

9. Most important advantage of an IC is its

(A) Low power consumption

(B) Extremely high reliability

(C) Reduced cost

(D) Easy replacement in case of circuit failure

10. The geostationary satellite used for communications systems

(A) Is positioned over equator

(B) Remains stationery relative to the earth

(C) Rotates with the earth

(D) all of these

11. Which can read data and convert them to a form that a computer can use?

(A) Control

(B) Input device

(C) Storage

(D) Logic

12. Which of the following is the fastest type of computer?

(A) Personal computer

(B) Workstation

(C) Notebook

(D) Laptop

13. The vast network of computers that connects millions of people all over the world is called

(A) Internet

(B) Hypertext


(D) Web

14. A device which can be connected to a network without using cable is called

(A) Distributed device

(B) Centralized device

(C) Open-source device

(D) Wireless device

15. The cheapest modems can transmit

(A) 300 bits per second

(B) 1,200 bits per second

(C) 2,400 bits per second

(D) None of these

16. What frequency range is used for TV transmission and low power microwave applications?

(A) Very low frequency: 3 kHz to 30 kHz

(B) Medium frequency: 300 kHz to 3 MHz

(C) Super high frequency: 3000 MHz to 30000 MHz

(D) Ultra high frequency: 300 MHz to 3000 MHz

17. The most common input device used today is

(A) Motherboard

(B) Scanner

(C) Keyboard

(D) Mouse

18. Which of the following TCP/IP protocol is used for the file transfer with minimal capability and minimal overhead?





19. Which of the following port is used to connect device such as mouse, modem?

(A) Serial port

(B) Parallel port

(C) Firewire port

(D) Infrared port

20. Which of the following items is not used in local area network (LAN)?

(A) Cable

(B) Printer

(C) Modem

(D) Computer

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