Question: While working as an IT security manager. 1 . Identify and explain the appropriate error control mechanism used, if: a . The encoded data has

While working as an IT security manager.
1. Identify and explain the appropriate error control mechanism used, if:
a. The encoded data has some redundant information for recovering from the errors during communication.
b. The encoded data has some redundant information for detection of some corrupted blocks which needs to be retransmitted.
2. Why should you prefix the MIME headers while sending the web pages?
3. You received complaints from a number of employees that some spam messages are being sent by an employee's computer and you found the complaints correct. What is the reason for this type of attack?
4. Voice over IP (VOIP) is used by your organization for the teleconferencing system by utilizing the UDP for data transmission. What will happen if the UDP Data grams are out of order?

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