What is Shift Rows
Explain the term Shift Rows.
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In the shift row, the row shift moves an individual byte from one column to the other that is a linear distance of multiple of 4 bytes. In the Forward Shift Row, every row carries out the circular left shift. Second Row, a 1-byte circular left shift is carried out. Third Row, a 2-byte circular left shift is carried out. For the Fourth Row, a 3-byte circular left shift is carried out. In Inverse Shift Row, every row carries out the circular right shift.
Advances of LAN Security Setup: The company should use firewall in order to separate the wireless Local Area Network. A gateway/ firewall is used in order to separate the wireless and wired networks. This helps to screen the traffic in wired network.
Explain the term internal and external error control.
Explain the term traffic padding and state its purpose?
What are the methods used by a station to sense whether a station is idle or busy? Explain with a neat diagram.
Specify the number of keys required for the two people to communicate through a cipher?
Specify the ways through which the secret keys may be distributed to the two communicating parties.
ACL (Access control list): In order to control the access to a particular number of users the wireless network makes use of ACL which is access control list. In this the unique address of the clients or the users are used and hence a check can be put
List the protocols which are used to provide the IP security? Explain the IP security services?
Explain the term Mix Columns.
Explain the final set of criteria which is used by the NIST in order to determine the candidate AES ciphers?
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