Monday, 12 February 2018

Informatics Assistants Set - 12




Q.1. What is a ‘frame relay’ and in which layer does it operate?
Ans. A frame relay is a packet-switching technology. It operates in the data link layer.
Q.2  What is ‘beaconing’?
Ans. Beaconing is the process that allows a network to self-repair networks problems.
Q.3  Differentiate between a ‘bit rate’ and ‘baud rate’.
Ans. A bit rate is the number of bits transmitted during one second, whereas, baud rate refers to the number of signal units per second that are required to represent those bits.
Q.4 What is Project 802?
Ans. It is a project started by IEEE to set standards to enable intercommunication between equipment from a variety of manufacturers.
Q.5 Differentiate Communication and Transmission?
Ans. Through Transmission the data gets transferred from source to destination (Only one way). It is treated as the physical movement of data.
Communication means the process of sending and receiving data between two media (data is transferred between source and destination in both ways).
Q.6 Define various types of internet connections?
There are three types of internet connections. They are listed below
Ø  Broadband Connection – This type of connection gives continuous high-speed internet. In this type, if we log off from the internet for any reason then there is no need to log in again.
Eg: Modems of cables, Fibres, wireless connection, satellite connection etc.
Ø  Wi-Fi – It is a wireless internet connection between the devices. It uses radio waves to connect to the devices or gadgets.
Ø  WiMAX – It is the most advanced type of internet connection which is more featured than Wi-Fi. It is nothing but the high-speed and advanced type of broadband connection.

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