Lesson 1-Networking Concepts
A) Fill in the blanks
1)Communication system allows us to talk to any person in the world at any time.
2)A computer network enables two or more computers to share data and resources.
3)In a network, modification or upgradation of the software is done at a single point only.
4)The computers that communicate with each other are called Nodes.
5)A network maintained without using wires is called Wireless Networking.
6)LAN and MAN are the different types of networking.
B)State true or false.
1)Nodes and servers have the same function.
Ans:-True
2)LAN stands for Large Area Network.
Ans:-False
3)Network cards are used to physically attach a computer.
Ans:-True
4)WAN stands for Wide Area Network.
Ans:-True
5)WAP stands for Wired Access Point.
Ans:-False
6)In a Client-Server Network, there is no central network.
Ans:-False
C)Application Based Questions.
1)Mr. Ravi has set up his office with 50 computers. He wants to connect computers and peripheral devices within his office building with wires. Which type of network will you suggest him to use?
Ans:-I will suggest him to use Local Area Network(LAN) type of network.
2)Which type of network architecture is most suitable when a few number of computers, having similar power and capacity, are to be networked together?
Ans:-Peer-To-Peer type of network architecture is the most suitable for the mentioned network.
3)Shagun wants to physically attach a computer to a network so that it can participate in network communication. Which card would you suggest her to use?
Ans:-I will suggest Shagun to use Network Interface Card(NIC) or Ethernet Network Card.
4)Anjali wants to send business card of her client to one of her friends by interconnecting mobile phone using short-range wireless connection. Which technology would be the most suitable for her?
Ans:-Bluetooth Wireless Technology
D)Multiple Choice Questions.
1)Which is the most commonly used network card
i.Wifi ii.Bluetooth iii.Ethernet Network Card
Ans:-iii-Ethernet Network Card
2)Which wireless technology is used to interconnect mobile phones, computers, printers using a short range wireless connection?
i.Hub ii.Bluetooth iii.Both
Ans:-ii-Bluetooth
3)What do we call the computers which are connected to the servers?
i.Nodes ii.Laptops iii.PC
Ans:-i-Nodes
4)................. security means protecting data and resources from access by unauthorized persons.
i.Network ii.Information iii.Resource Sharing
Ans:-i-Network
5)................. is a device that connects wireless communication devices to form a wireless network.
i.WAN ii.WiFi iii.WAP
Ans:-iii-WAP
E)Answer the following questions.
Q1)What is networking? Give relevent examples.
Ans:-Computer networking can be defined as a group of computers or other peripheral devices that are linked together for the purpose of sharing data and hardware resources. The computers in a network may be limited through wire or wireless
Some examples are:-
- Communication network of Telephone system which enables us to talk to anyone, anywhere, any time.
- Network of Banks/ATM.
- Video Conferencing.
- Internet etc.
Ans:-The advantages of networking are:-
- Efficient use of storage media.
- Preserving information.
- Reduction in hardware costs.
- Efficiency.
- Reduces Redundancy of Paper Works.
- Quickest Document Delivery.
Ans:- LAN WAN
i. It is a Local Area Network i. It is a Wide Area Network
ii. Two or more computers are ii. Two or more computers are
connected within small area connected which are located at far
such as room, office or a away places.
campus.
iii. Computers are physically iii. Computers are linked by
connected with wires. communication facilities like
telecommunication and satellite
signals.
iv. Data Transmission speed is iv. Data Transmission speed is
high. slow.
Q4)What do you understand by network security?
Ans:-Network security means protecting data and resources from access by unauthorized persons. There are two generals levels of Network Security:-
a)Login Security
b)Rights Security
Q5) Explain client-server network.
Ans:-In client-server network, several computers are connected to a central computer called Server, the computers which are connected to the server are called clients or workstations server computers provides services to the client computers.
F)Define the following terms:-
1)WAP:-It is a wireless access point. It is a device that connects wireless communication devices to form a wireless network.
2)Bluetooth:-It is a wireless technology used to interconnect mobile phones, computers, printers. Using short range wireless connection.
3)Server:-It is a computer in client server network architecture which provides services to the client and control access to hardware, software and other resources. Server computers are generally powerful computer with fastest processor and higher storage capacity compared to client computers.
4)Node:-The computers in a network can communicate with each other as well as work independently. Each computer in a network is called a Node. Eg:-bridge, switches, hubs, modems, printers, servers are nodes to computer network.
