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Why Routine security audits are essential
It is essential that regular security audits are conducted to find out physically which computer is connected and permits access to which networks. Also, the profiles, browser permissions, certification, passwords, location of the computer in the network layout plan, firewall configuration, etc. for each computer and user on the Intranet has tobe carefully studied during the audits. There are a number of other issues that cannot be dealt with directly such as integrity of the persons within the organisation. It is essential that they be requested to fill up a questionnaire or they are interviewed briefly about the security measures using indirect questions.
IGRP uses flash updates, poison reverse updates, hold down times, and divide horizon. How often does it broadcast its routing table updates? Ans) 90 seconds
There are two logical addressing :- a) Datalink is physical (hardware) addressing. b) Network is logical (software) addressing.
Repeaters - Operate only in physical layer - Connects two segments of the same LAN - Both segments must be of the same protocol - Only forwards frames; does not filter
State the methods to keep the attackers at bay Another best methods to keep the attackers at bay is known as network address translator or NAT. The philosophy behind the design
working of belmen ford algorithm
Full Duplex - Capability for simultaneous data transmission among a sending station and a receiving station. It needs a workstation be attached to a switch, the NIC must support it
What are major types of networks and explain? Server-based network: Give centralized control of network resources and depend on server computers to give security and network
Question 1: The following is a dump of a TCP header in hexadecimal format: 00CD0018 00000EF1 00000D5D 502200D1 01BF0010 Please answer the following two parts of questions
Can you describe what a FIREWALL is?
How many IP addresses can come in IPV4?
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