Which of the following is not part of the distributed coordination function?
a. listen to see if anyone is communicating
b. send ACK for each frame received
c. listen for other SSIDs different from yours
d. in the AC
Answer: c. listen for other SSIDs different from yours
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Which of the following statements about regular expressions is false?
a. The quantifier {n,} in a regular expression matches at least n occurrences of the preceding pattern. b. The quantifier {n,m} in a regular expression matches between n and m (inclusive) occurrences of the preceding pattern. c. The question mark (?) quantifier matches one occurrence of the pattern that it quantifies. d. A set of braces containing one number, {n}, matches exactly n occurrences of the pattern it quantifies.
What does it mean if a 7 is stored at index 1 of the C array?
``` 1 COUNTING-SORT( A ) 2 make an Array C of length k + 1 3 for each i, from 0 to k 4 C[ i ] = 0 5 for each j, from 0 to the length of A - 1 6 C[ A[ j ] ]++ 7 j = 0 8 for each i from 0 to k 9 for each m from 1 to C[ i ] 10 A[ j ] = i 11 j++ ``` A. There is one element with value 7 in the A array. B. In the final sorted array, there will be only one seven. C. In the final sorted array, there will be from one to seven elements. D. There are seven elements with value 1 in the A array.
Why is it useful to “blaze away” when using a new piece of software?
What will be an ideal response?
What is the size of an ATM packet??
A. ?48 bytes B. ?53 bytes C. ?64 bytes D. ?84 bytes