Chapter :- 1 Introduction to Computer Netorking
Introduction to Computer Netorking
Buzz Words
1.Computer network: A computer network is a collection of interconnected computers and other devices which are able to communicate with each other and share hardware and software resources.
2.Node: Each computer on the network is called a node.
3.Server: A computer that facilitates sharing of data, software and hardware resources on the network is known as the server.
4.Personal area network. It is the smallest network formed and is typically within a few metres.
5.Local area network: It is a network of devices in a room, building, or campus and it covers an area of a few metres to a few kilometres.
6.Metropolitan area network: It covers an area of a few kilometres to a few hundred kilometres.
7.Campus Area Network: It is a network of multiple interconnected local area networks (LAN) in a limited geographical area.
8.Wide area network: It is the largest network that spans countries and even continents.
9.Network topology: It is the arrangement of the nodes, servers, peripheral devices of a computer network.
10.Protocol: Protocol is the special set of rules for communication between network devices.
Fill in the blanks.
a. Bus topology is also known as Linear topology.
b. The largest example of WAN is the Internet.
c. Switch is known as the intelligent hub.
d.Tree topology is a combination of Bus and Star topologies.
e.RJ is connected where the cable wire terminates.
f.LAN formed using wifi or any other wireless medium is known as WLAN.
State whether True or False.
a. In a Star topology all nodes are connected to a common cable. False
b Network within a city is the metropolitan area network. True
c. Mode of transmission of data by wires is known as guided media. True
d. A server is also known as a workstation. False
e. Railway reservations can be done easilyusing computer networking. True
State whether True or False.
a. In a Star topology all nodes are connected to a common cable. False
b Network within a city is the metropolitan area network. True
c. Mode of transmission of data by wires is known as guided media. True
d. A server is also known as a workstation. False
e. Railway reservations can be done easilyusing computer networking. True
Multiple choice questions.
a. Tree topology is a combination of
i. Star and Ring
ii. Ring and Bus
iii. Star and Bus
iv. Star, Ring and Bus
b. Cost saving is possible in networking due to
i. Data sharing
ii. Software sharing
iii. Both i and ii
iv. None of the above
c. Examples of wireless media are
i. Microwaves
ii. Infrared
iii. Bluetooth
iv. All of the above
d. Data can be transferred between nodes at high speeds in this topology
i Bus
ii. Ring
iii. Star
iv. Tree
e. Hardware required for a network comprises
i. Computers
ii. Wires
iii. RJ connectors
iv. All of the above
Multiple choice questions.
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