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Routers
They transfer packets among multiple interconnected network machines (i.e. LANs of different kind). They perform in the data link, physical and network layers. They have software that activates them to calculate which of the various possible ways.
Proof that the sender forwards the message. It also prohibits the author of the code from falsely denying that he forward the message. This is achieved by record using the exact ti
Network can be distinguished by shape. According to which there are three most popular methodologies, which are shown as follows; Star Ring Bus
Network-Based IDS (NIDS) A NIDS resides on computer or appliance connected to segment of an organization’s network and looks for signs of attacks. While examining packets, a NID
LEGAL, ETHICAL AND PROFESSIONAL ISSUES To minimize liabilities and reduce risks, information security practitioner should: • to understand current legal environment • to s
LOCAL TALK Apple discovered the LAN technology that uses bus topology. Its interface is added with all Macintosh computers. It has very low speed i.e. 230.4Kbps. Also it is ch
IP DATAGRAM HEADER FORMAT: It is given in the figure below: In the table: VERS denotes the version of IP. H.LEN denotes the header length in units of
FRAME FORMAT AND ERROR DETECTION The changed frame format also adds CRC. If there is an error happened in frame, then it typically causes receiver to removed frame. The frame
Question: (a) Distinguish between Steganograhy and Cryptography. (b) "Playfair cipher is more secure than Monoalphabetic cipher." Justify this statement. (c) Various ap
Students were asked about search engine they used.90 of them said they used google chrome,70 used Internet Explorer,40 used Mozilla Firefox,30 used Google Chrome and Internet Explo
QUESTION Testing of a Business Continuity Plan (BCP) does not need to be costly or to interrupt the daily operations of the business. The result of the test should also be look
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