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What is horizontal and vertical parity
A single error can cause both horizontal and vertical parity checks to be wrong. Two errors can also be easily detected. If they are not in similar rows, row parity will catch them. If they are in same row, column parity will catch them. Three errors might slip by undetected, such as, if some bit is inverted along with its column and row parity bits. Even corner bit will not catch this.
Q. Explain about Nonboundary-Level Masking? Nonboundary-Level Masking Bytes in the IP address that correspond to 255 in the mask will be repeated in the subnet addres
Packet loss and retransmission in TCP TCP gets reliability by retransmission. An acknowledgement is used to check that data has arrived successfully. If acknowledgement does no
Router(config-if)# bandwidth 56
Unused Reserved This is a 6 bite field reserved for future use.
Question: (a) What is a script kiddie? Is it a significant security threat, and why? (b) Assume that UNIX uses the user login name in lieu of the traditional salt, what is
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