4. The Physical Layer

Q. 1. List the responsibilities of Physical layer.
Ans. Bit-signal transformation
         Bit-rate control
         Bit synchronisation
         Mutiplexing

3. Transmission Media

Q.1. BNC connector is used with: __________
Ans. Coaxial cable

2. Network Models

Q.1. Define Socket Address.
Ans. Socket address is the combinations of IP Address and port Address.

1. Introduction to Computer Networks

Q.1. Classify the network in terms of scale.
Ans. Personal Area Network, Local Area Network (LAN), Metropolitan Area Network (MAN), Wide Area Network (WAN), the Internet. 

chapter 2 Wireless LANs

Q.1 define the standard for Wireless LAN.
Ans: IEEE 802.11
Q.2 Explain ad hoc Network.
Ans: A BSS without an Access Point is called as an ad hoc Network.

chapter 1 Wired LANs

Q.1 List the LAN technologies.
ans: Ethernet, token ring, token bus, FDDI, ATMLAN

Q.2 Write the purpose of IEEE Standard Project 802.
ans: It is designed to regulate the manufacturing and inter connectivity between different LAN.