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3. Which device can convert digital data into analog signals and vice versa?
a. Hub b. Modem
c. Router d. LAN Card
4. Which computer network can be used only within an organisation?
a. Internet b. Intranet
c. Both a and b d. None of these
5. Name the unique identification number assigned to a computer connected to a network.
a. IP address b. Web address
c. Permanent address d. Local address
6. What does SMTP stand for?
a. Simple Mail Transfer Protocol
b. Simple Message Transfer Protocol
c. Simple Mail Transport Protocol
d. System Mail Transfer Protocol
7. Which of the following is not a type of topology?
a. Star b. Mesh
c. Bus d. Rocket
8. Which of the following is an expansion card that provides network access to a computer?
a. Switch b. Modem
c. Hub d. NIC
B. Fill in the blanks using the words given below:
Hints
Router, Protocol, SMTP, Mesh, NIC
1. ............................ is a set of rules that govern the communication between computers on a
network.
2. ............................ is a protocol used to send e-mail messages over the Internet.
3. A/An ............................ is a networking device used to connect and facilitate the transfer of
information between two networks.
4. In a ............................ topology, every node is connected to all the other nodes.
5. A/An ............................ is an expansion card which is used to provide the network access to
a computer.
Computer Networking 123

