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We have listed here top computer networks questions answers, which covers all important networking chapters like Topologies, Transmission modes, Categories of Networks, OSI model, IP classes etc. You should practice these computer networking short questions for interview and for your competitive exams.
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Q 31.
Which one is the smallest network?
Ans.
PAN
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Q 32.
MAN Stands for ?
Ans.
Metropolitan Area Network
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Q 33.
The common name for a modulator-demodulator is ?
Ans.
Modem
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Q 34.
Every host computer on the internet has an ?
Ans.
Unique IP address
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Q 35.
Bridges operate in which OSI layer ?
Ans.
Data link layer
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Q 36.
What is the another name for a VPN is ?
Ans.
Tunnel
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Q 37.
To deliver a message to the correct application program running on a host, the ______ address must be consulted ?
Ans.
Port
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Q 38.
End to End connectivity is provided from host to host in ?
Ans.
Transport layer
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Q 39.
Routing algorithms are used in which OSI model layer ?
Ans.
Network layer
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Q 40.
In which layer data is transfer in form of Packets ?
Ans.
Network layer
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Q 41.
In which layer node to node and hope to hope delivery occur ?
Ans.
Data link layer
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Q 42.
Types of topology of a network comes under which layer ?
Ans.
Physical layer
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Q 43.
What are important points of repeator ?
Ans.
It is a 2 port device.
No filtering allowed. High traffic in case of repeator |
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Q 44.
What is the function of Repeator in network ?
Ans.
It regenerate the signal and make signal as original strength.
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Q 45.
Repeators and Hub are used in which OSI layer ?
Ans.
Physical layer
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Q 46.
Cables and connectors comes under which OSI model layer ?
Ans.
Physical layer
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Q 47.
How many layers are in OSI model ?
Ans.
7 layers
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Q 48.
When was OSI model established ?
Ans.
1947
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Q 49.
What OSI model stands for ?
Ans.
Open System Interconnection
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Q 50.
What is Internetwork / Internat ?
Ans.
A connection of LAN, Routers, HUb and WAN etc.
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Q 51.
Generally which topologies are used in LAN network ?
Ans.
Ring, Star and Bus topology
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Q 52.
What is the data rate over Local area network (LAN) ?
Ans.
4 to 16 Mbps
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Q 53.
Telephone line uses which type of transmission mode ?
Ans.
Full duplex
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Q 54.
What is Half duplex transmission mode ?
Ans.
In which each can send or recieve signal, but only one at a time.
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Q 55.
Ring topology is Uni-directional or Bi-directional ?
Ans.
Uni-directional
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Q 56.
Number of cables in bus topology is ?
Ans.
n+1
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Q 57.
Which support point to point topology ?
Ans.
Mesh topology
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Q 58.
How many number of ports in Mesh Topology ?
Ans.
n-1
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Q 59.
What is topology means?
Ans.
It is a way in which lnetwork laid out either physicaly or logically.
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Q 60.
In computer network what is a protocal called ?
Ans.
A set of instructions
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