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Practice Tests
Question
1
18:00
What is the default port number for HTTP?
20
21
80
443
Next
Which command is used to test network connectivity?
ipconfig
ping
route
netstat
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Next
Which layer of the OSI model is responsible for data encryption?
Session Layer
Presentation Layer
Transport Layer
Application Layer
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Next
A fault in a computer program which prevents it from working correctly is known as___________?
Boot
Bug
Biff
Strap
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Next
What does IP stand for in computer networking?
Internet Path
Internal Protocol
Internet Protocol
Integrated Process
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Next
What does NIC stand for in networking?
Network Internal Connection
Network Interface Card
National Internet Code
None of the above
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An error in software or hardware is called a bug. What is the alternative computer jargon for it?
Leech
Squid
Slug
Glitch
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Next
What is the main purpose of computer networking?
To play games
To connect printers to computers
To share resources and information
To monitor systems only
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Next
In analogue computer_____________?
Input is first converted to digital form
Input is never converted to digital form
Output is displayed in digital form
All of above
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Next
The system unit of a personal computer typically contains all of the following except:
Microprocessor
Disk controller
Serial interface
Modem
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Modern computers are very reliable but they are not __________?
Fast
Powerful
Infallible
Cheap
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In a computer network, what is the main function of the application layer?
To provide network services to the applications
To transmit data between network devices
To package data for transfer
To route data between networks
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A computer program that converts an entire program into machine language is called a/an
Interpreter
Simulator
Compiler
Commander
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Next
Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards?
Daughter board
Motherboard
Father board
Breadboard
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Which IP address range is reserved for private networks?
192.0.0.0 – 192.255.255.255
10.0.0.0 – 10.255.255.255
172.0.0.0 – 172.255.255.255
8.8.8.8 – 8.8.8.9
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Unwanted repetitious messages, such as unsolicited bulk e-mail is known as_________?
Spam
Trash
Calibri
Courier
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A MAC address is associated with which hardware?
Monitor
Hard Disk
Network Interface Card (NIC)
RAM
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Next
Who designed the first electronic computer – ENIAC?
Van-Neumann
Joseph M. Jacquard
J. Presper Eckert and John W Mauchly
All of above
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Next
In a peer-to-peer network, each computer can act as:
Only a client
Only a server
Both client and server
None of the above
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Which of the following is a connectionless protocol?
TCP
HTTP
FTP
UDP
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