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Drawback of Repeaters.
Repeater has no filtering capability as it forwards every frame.
Repeater shell be placed at accurate distance before actual signal becomes lost due to noise which can change the meaning of message completely.
differntiate between error control and flow control in data link layer
NETWORK MANAGEMENT & SECURITY 1. Describe a basic communication model. 2. State the following terms: a. Configuration Management b. Fault Management c. Security Management
Q. What is Parabolic Dish Antenna? - Incoming signals means that the Signal bounces off of dish and is directed to focus - Outgoing signals signifies transmission is broadca
ATM can give customers with virtual circuits that seem traditional leased digital circuits. Such permanent virtual circuits (PVC) fixed as the customer pay the periodic fee for its
Question: a) In a wireless network where WEP is enforced as security mechanism, what procedure would the network manager adopt for changing WEP default keys. b) Using Pla
IGRP is a distance vector routing protocol designed by Cisco. The maximum hop count is 255, and it uses a combination of variables to verify a composite metric. IGRP has an adminis
Q. What is Sliding Window protocols? Alternatives: Sliding Window protocols - One task begins prior to the other one ends (concept of
Why it is necessary to have layering in a network? A computer network is a very complex system. It becomes very difficult to execute as a single entity. The layered approach di
Can you define the difference among trusted and untrusted networks?
Managing and Securing the Web Utility of the Router Step 1: Configure web access. Navigate to the Administration section. Change the router password to cisco. For Web Uti
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