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Question (a) Consider that you enter the subsequent URL in the address bar of a popular web client and that both the server and client accepts HTTP version 1.1.
i. What can be the initial request made by the client?
ii. Describe how HTTP version 1.1 allows 'surfing' experience to be greatly improved.
iii. Provide a sample HTTP request message with at least 4 main header lines that is sent by the web client.
iv. Consider that the web resource is actually found on the server, give at least 3 header lines that you can expect in the sample response HTTP message.
Question (b) Integrity and Authentication are two important network security services.
i. Describe what you understand by authentication.
ii. Give one mechanism that will be used to enforce both authentication and data integrity and illustrate briefly how it works.
iii. Explain one mechanism that you can use to ensure data integrity alone during transmission.
Bridges perform both in the data link layers and physical of LANs of same kind. They split a bigger network in to smaller segments. They have logic that accept them to store the
Problem (a) Below is a capture of an Ethernet II frame which contains an IPv4 packet and a TCP segment. The second screen capture is from the data portion of the frame.
Question: (a) Distinguish between Steganograhy and Cryptography. (b) "Playfair cipher is more secure than Monoalphabetic cipher." Justify this statement. (c) Various ap
Vulnerability Identification Specific avenues threat agents can exploit to attack an information asset are known as vulnerabilities. Examine how each threat can be generated and
Ask quIf you are pinging a web server from a user’s client PC, how might the statistical information provided by ping be useful to you?estion #Minimum 100 words accepted#
ADDRESS RESOLUTION WITH CLOSED-FORM COMPUTATION For networks use reliable addressing, it is possible to select an address that creates closed-form address resolution possible.
the advantages and disadvantages of area subdivision and where it is applicable
Question An organization is planning to connect its networks to the Internet. The network is located within a four story building. A web server supporting online sales is also
Question: (a) Explain briefly the PCI Control Objectives which enterprises must meet to be compliant with the Payment Card Industry Data Security Standard (PCI DSS). Specify a
(a) Explain the importance of the Euler Totient function in Cryptography. Calculate Euler Totient function value, φ(1280). (b) Explain the role of the Authentication Server (
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