Check Olympiad Exam Dates here | Buy Practice Papers for CREST Olympiads here | Individual Registration will close soon on CREST Olympiads. Apply now | Login here to participate in all India free mock test on every Saturday
With respect to class 4 Computer Networks, a computer network is a collection of computers and devices like printers, scanners connected together via wires or the internet. For example the connection of a computer with a printer. The computers and devices which are part of the network exchange information or communicate with each other.
To create a Computer Network, we need –
With respect to class 4 computer lessons, using a computer network has many benefits. They are-
With respect to class 4 Computer Networks, types of Computer Networks are
There are two main types of computer network. They are:
With respect to class 4 computer lessons, a local area network (LAN) is when computers or devices are connected together over a small area, such as within a home, a building, etc. A LAN can be created to share files or hardware such as a printer, or to share an internet connection.
With respect to class 4 computer lessons, a wide area network is when computers or devices are connected together over a large area such as a country or the world. It is a collection of LANs.The biggest WAN is the internet.
Computer Network has few disadvantages. They are-
Q1) ____ is a collection of computers and devices.
Ans: Computer Network.
Q2) What is an act of exchanging messages?
Ans: Communication.
Q3) Which type of area network is low in cost?
Ans: Local area network.
Q4) What is a collection of LANs?
Ans: Wide area network.
Q.1 |
Ethernet frame consists of _______________. |
| a) | MAC address |
| b) | IP address |
| c) | Both a and b |
| d) | none of the above |
Q.2 |
Ethernet in metropolitan area network (MAN) can be used as _____________. |
| a) | pure Ethernet |
| b) | Ethernet over SDH |
| c) | Ethernet over MPLS |
| d) | All of the above |
Q.3 |
What is the access point (AP) in wireless LAN? |
| a) | device that allows wireless devices to connect to a wired network |
| b) | wireless devices itself |
| c) | Both a and b |
| d) | none of the above |
Q.4 |
A wireless network interface controller can work in _____________. |
| a) | infrastructure mode |
| b) | ad-hoc mode |
| c) | Both a and b |
| d) | none of the above |
Q.5 |
In wireless network an extended service set is a set of _____________. |
| a) | connected basic service sets |
| b) | all stations |
| c) | all access points |
| d) | none of the above |
Q.6 |
The computer network is ______________. |
| a) | Network computer with cable |
| b) | Network computer without cable |
| c) | Network computer with antenna |
| d) | Both a& b |
Q.7 |
FDDI used which type of physical topology? |
| a) | Bus |
| b) | Ring |
| c) | Star |
| d) | Tree |
Q.8 |
FTP stands for _______________. |
| a) | File transfer protocol |
| b) | File transmission protocol |
| c) | Form transfer protocol |
| d) | Form transmission protocol |
Q.9 |
Ethernet system uses which of the following technology? |
| a) | Star |
| b) | Ring |
| c) | Bus |
| d) | Tree |
Q.10 |
Which of the following are the network services? |
| a) | File service |
| b) | Print service |
| c) | Database service |
| d) | All of the above |
Your Score: 0/10
