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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?
Question : (a) How does a 2-key rollover differ from the N-key rollover? (b) Why is isolation so important in interfacing? (c) Explain what is software debouncing.
I am ryan, i am looking for data security and network assignment help, Do you have experts in data security?
SHIFT OPERATION: This operation replaced all bits to the left one position. For example in the diagram below a 16-bit CRC hardware is given, which needs three Exclusive OR (
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What is the function of key secrecy and algorithm secrecy in security? Algorithm Secrecy is explained as follows: ‘Algorithm secrecy’ is a method of keeping an algorithm
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Around the globe the bank controlled Co-ops (Visa, MasterCard, Discover, and American Express) have rolled out millions of smart cards under the EMV (Europay, MasterCard, VISA) sta
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MAC Address The address for a machine as it is identified at the Media Access Control (MAC) layer in the network structure. MAC address is generally stored in ROM on the n
TRANSMISSION ERRORS: Transmission exceptions may happen due to different causes for example power surges or interference may delete data during transmission. In result of wh
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