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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.
What are the important topologies for networks? BUS topology: In this every computer is directly linked to primary network cable in a single line. Advantages: Inexpensive,
Commands SMTP uses commands and response to transfer message between a client and a server. Each commands or reply is terminated by a two character ( carriage re
Explain how the lan model be developed The LAN model can be developed incrementally. If LAN is just a long cable. it cannot be brought down by single failure (if servers are re
Given the address 172.16.2.120 and the subnet mask of 255.255.255.0. How many hosts are available? Ans) 172.16.2 120 is a standard Class B address with a subnet mask that permit
Identify Connectivity Problems Step 1: Use the ping command to test network connectivity. Use the following table to test the connectivity of every network device.
What is a DNS resource record? A resource record is an entry in a name server's database. There are various types of resource records used, containing name-to-address resolutio
Q. Explain Types of Redundancy Checks? Parity Check Simple Parity Check Two Dimensional Parity Check / Longitudinal Redundancy Check (LRC) CRC (Cyclic Redund
In Novell's use of RIP, there are two metrics used to make routing decisions. What are they? Ans) A. Ticks. B. Hops
10BASE-T: This is another standard of wiring function. It is usually known 10Base-T, TP Ethernet or Twisted Pair. It removes AUI cable with twisted pair cable and thick coax
What are reasons behind using layered protocols Reasons for using layered protocols, using them leads to breaking up design problem into smaller more manageable pieces and lay
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