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Question 1
a) Provide three advantages of using optical fiber. b) Distinguish between "Direct Sequence Modulation" and "Frequency Hopping" c) Decribe the purpose of using "Straight-Through" cable and "Cross-over" cable. d) Briefly explain the role of the "session and transport layer" of the OSI.
Question 2
a) The IP gives a number of core functions and associated procedures to carry out the several harmonizing functions. What are three main functions of IP, provide a brief description about each function. b) i) Describe what Network Address Translation (NAT) is? ii) Why is NAT used? c) Give three advantages and three disadvantages of NAT. d) Which TCP/IP utility will be used to evaluate the path taken by messages from workstation to a destination?
Access Controls Access controls addresses admission of a user into a trusted area of organization. It comprises of a combination of policies & technologies. The ways to control
Selecting a Risk Control Strategy Risk controls involve selecting one of the 4 risk control strategies for every vulnerability. The flowchart is shown in the figure given below
Question: (a) What are the various options to mitigate risks in an Information Security Management System (ISMS)? For each option specify an instance where it can be used.
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
What questions should Iris ask Charlie about the new job, about Kelvin''s team, and about the future of the company?
Management of Classified Data Management of classified data comprises of its storage, distribution, portability, and destruction of classified data. All information which is not
how much would you charge for minimum 20 pages
the meaning Digital Signatures
Question: (a) Data on four variables are stored in a file called file1.dat. The first line of the file is the variable names f, x, y and z. Give the R commands to (i) read t
DATAGRAM REASSEMBLY Recreation of original datagram is known as reassembly. Ultimate receiver acts reassembly as given below.Fragments can reach out of order. Header bit check
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