How does Ethernet handle error detection?
What will be an ideal response?
The sending node calculates a Cyclic Redundancy Check (CRC) of the bits in the frame. The
node places the CRC result in the Frame Check Sequence (FCS) field in the trailer part of the
Ethernet frame. After receiving a frame, a receiving node calculates its own CRC to compare
to the one in the frame. If the two CRC results match, the recipient assumes that the frame
arrived without error.
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When an entire message is encrypted for confidentiality using either symmetric or asymmetric encryption the security of the scheme generally depends on the __________ of the key.
Fill in the blank(s) with the appropriate word(s).
In between major new software upgrades, publishers often release software updates, sometimes referred to as ____________________, designed to fix bugs and update security.
Fill in the blank(s) with the appropriate word(s).