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802.11 CSMA/CA
a) Wait a DIFS time to avoid collision
b) Send RTS and wait for CTS reply to obtain the use of the Medium (air)
c) Use of SIFS time for control information
Q. Explain the Communication Channel Threats? Secrecy Threat - Secrecy is the avoidance of unauthorized information disclosure - Privacy is the guard of individua
Firewalls Firewalls emerged as a new technology in 1990s but its idea was present near two decades back. Historical context of "Firewall" is quite literal. It was in use to des
What is virtual channel? Virtual channel is normally a connection from single source to one destination, although multicast connections are also allowed. The other name for vir
Describe Ethernet. Ethernet is one of the well-liked networking technologies used these days. It was developed during the early 1970s and is based on specifications as stated i
Can you define PAP?
MPI contains hundreds of functions, a small subset of which is enough for most practical purposes. We shall talk about some of them in this unit. Functions for MPI Environment:
Explain the terms - LAN extension and Ad hoc network LAN extension: a wireless LAN integrated with a wired LAN to extend the coverage area of the LAN complex; Cross-building
explain benz network?
Discuss about the Hypertext The hypertext allows for the integration of text, graphics, audio and video on a webpate. This can make it very easy to browse and very exciting to
Give the types of firewalls Conceptually, there are two types of firewalls: 1. Network Level 2. Application Level Network Level Firewall/Packet Filters The Net
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