Computer Operator 17

#1. Which of the following is not a goal of computer networks ?

Resource sharing

High reliability

Scalability

none of the above

#2. Demodulation is a process of

Converting analog to digital signal

Converting digital signals

Multiplexing various solution into one high speed line signals

Performing data description

#3. Which of the following types of web documents is fixed-content and is created and stored at the Server site ?

Static

Dynamic

Active

All of the above

#4. A modern is connected in between a telephone line and a network

Computer

Communication adapter

Serial port

None of the above

#5. The duty of IP (Internet protocol ) is

To provide www service

Packet routing as network layer

To provide connection

None of the above

#6. Sending data from one place to another. By physical or electronic means is

E-mail

Internet

Data transmission

Distributed processing

#7. Device on one network can communicate with devices on another network via a

File server

Utility server

Printer server

Gateway

#8. Which of the following is the disadvantage of wireless LAN ?

Slower than wired LAN

High error rate

Data from different computers intermix

All of the above

#9. Communication ports are found on the back of microcomputers, they are used to connect the computer to…………

Printers

Modems

Other hardware

All of the above

#10. Which of the following items is not used in local area networks (LANs) ?

Computer

Modem

printer

cable

#11. Which of the following devices copies electrical signals from one Ethernet to another ?

Bridge

Repeater

Hub

All of above

#12. ………….. Is used to build dynamic web documents.

HTML

CGI

Java

All of the above

#13. Which of the following transmission modes is used for data communication along telephone lines ?

Parallel

Serial

Synchronous

Asynchronous

#14. The slowest transmission speeds are those of

Twisted–pair wire

Coaxial cable

Fiber–option cable

Microwaves

#15. Working of the WAN generally involves

Telephone lines

Microwaves

Satellites

All of the above

#16. A device that can convert digital signals to analog signals is

A packet

A modern

Both 1 and 2

None of the above

#17. Which of the following types of web document is run the client site ?

Static

Dynamic

Active

All of the above

#18. The communication mode that supports data in both direction at the same time is

Simplex

Half-duplex

Full-duplex

Multiplex

#19. HTTP is a protocol for

Electronic mail

Moving news articles around the network

Fetching pages on the www

All of the above

#20. Which of the following devices is used to connect two systems, especially if the systems use Different protocol?

Hub

Bridge

Gateway

Repeater

#21. A devices that links two homogeneous packet-broadcast local network, is

Hub

Bridge

Repeater

Gateway

#22. A network that is used for sharing data, software and hardware among several users owning Microcomputer is called

WAN

VAN

LAN

MAN

#23. What does the acronym ISDN stand for ?

Indian standard digital network

Integrated service digital network

Intelligent service digital network

Integrated service data network

#24. Which of the following data transmission media has the largest terrestrial range without the use of Repeaters or other devices ?

Hardwiring

Microwave

Satellite

Laser

#25. What is the name of the device that converts computer output into a form that can be transmitted over a telephone line ?

Teleport

Modem

Multiplexer

Concentrator

Computer Operator 17

Results

#1. Which of the following is not a goal of computer networks ?

#2. Demodulation is a process of

#3. Which of the following types of web documents is fixed-content and is created and stored at the Server site ?

#4. A modern is connected in between a telephone line and a network

#5. The duty of IP (Internet protocol ) is

#6. Sending data from one place to another. By physical or electronic means is

#7. Device on one network can communicate with devices on another network via a

#8. Which of the following is the disadvantage of wireless LAN ?

#9. Communication ports are found on the back of microcomputers, they are used to connect the computer to…………

#10. Which of the following items is not used in local area networks (LANs) ?

#11. Which of the following devices copies electrical signals from one Ethernet to another ?

#12. ………….. Is used to build dynamic web documents.

#13. Which of the following transmission modes is used for data communication along telephone lines ?

#14. The slowest transmission speeds are those of

#15. Working of the WAN generally involves

#16. A device that can convert digital signals to analog signals is

#17. Which of the following types of web document is run the client site ?

#18. The communication mode that supports data in both direction at the same time is

#19. HTTP is a protocol for

#20. Which of the following devices is used to connect two systems, especially if the systems use Different protocol?

#21. A devices that links two homogeneous packet-broadcast local network, is

#22. A network that is used for sharing data, software and hardware among several users owning Microcomputer is called

#23. What does the acronym ISDN stand for ?

#24. Which of the following data transmission media has the largest terrestrial range without the use of Repeaters or other devices ?

#25. What is the name of the device that converts computer output into a form that can be transmitted over a telephone line ?

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