Which field in the IEEE 802.3 Ethernet header provides a method for the receiving NIC to determine whether a frame experienced frame errors during transmission?
A) FCS
B) SFD
C) CRC
D) Hash
E) Pad
A
Explanation: A) The frame check sequence (FCS) provides a method of detecting frame alteration from source to destination by utilizing a Checksum/Hash on the data at the source that can be verified at the destination.
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The item shown in the accompanying figure is a Web table.
Answer the following statement true (T) or false (F)
One purpose of a one-to-many relationship is to:
A) allow a user to enter any kind of data. B) restrict a user from entering bad data. C) define the attributes of the table. D) define the criteria of a related table.
Consider a relation schema over the attributes ABCDEFG and the following MVDs:
ABCD DEFG CD ABCEFG DFG ABCDEG Find a lossless decomposition into 4NF.
Why does the kernel allocate page frames to processes from normal and high memory before allocating pages from DMA memory?
What will be an ideal response?