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Question :
(a) List down and explain the different signal propagation behaviours that radio waves exhibit.
(b) Explain the term Delay Spread with reference to signal propagation
(c) Infra Red and radio transmission are the two different basic transmission technologies that can be used to set up WLANs. Explain why radio transmission is preferred when setting up a Wireless LAN in an institution compared to infra red.
(d) IEEE 802.11 Infrastructured network has basic components such as Stations, Access Points and distributed System.
(i) Give a brief description of the functioning of an Infrastructured Network.
(ii) Show down the main functions of the Access points.
(e) Why do collisions occur in an infrastructure wireless network? Give a solution to remedy to this situation.
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
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Write the steps to configure DHCP?
A data link is shared by 20 data sources. Each source is active only 10% of the time and produces 1Mbps data rate when active. The sources start their transmissions at random. a
why do we deligate
Perfect Shuffle Permutation This was advised by Harold Stone (1971). Consider N objects each characterized by n bit number say X n-1, X n-2, X 0 (N is chosen such that N
An ATM network is created from interconnected ATM switches. The attachment ports or points can be connected to computers or other ATM switches. As cells reach at an ATM switch, the
MAC (media access control) and LLC (logical link control) are both layer 2 protocols.
Screening Router In this setup network router acts as a firewall. It checks all incoming and outgoing packets according to the predefined rules. This filter is placed at the c
CONNECTION TO PACKET SWITCHES: A packet switch many join to devices and to other packet switches. But the speeds are different in both parts. There are typically high-speed j
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