A server technician is procuring rail kits for a 2U rack mount server. Company policy dictates all rail kits must allow full extension of the system out of the rack. Given these requirements, which of the following rail kit types should the technician obtain?
A. Static rail kit
B. Sliding rail kit
C. Rail kit ears
D. Sliding shelf rails
Answer: B. Sliding rail kit
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The kill-wait concurrency control combines the concepts of the immediate update concurrency control and the timestamp-ordered control. As in the timestamp-ordered system, when a transaction, T1 is initiated, it is assigned a timestamp, TS(T1). However, the system uses the same conflict table as the immediate-update pessimistic control does and resolves conflicts using the rule
If transaction T1 makes a request that conflicts with an operation of active transaction, T2 if TS(T1) < TS(T2), then abort T2, else make T1 wait until T2 terminates. where abort T2 is referred to as a kill because T1 kills T2. a. Showthat the kill-wait control serializes in commit order. b. Give a schedule produced by a kill-wait control that is not serializable in timestamp order. c. Explain why deadlock does not occur in a kill-wait control.
Which of the following can have a pointer as an operand?
a. ++ b. *= c. % d . /
Write a method that will blend 3 sounds. Start with one sound for 20,000 samples then blend the first and second sound for 20,000 samples, then the second and third sound for 20,000 samples and then the third sound for 20,000 samples. Use Program 80 as a starting point.
What will be an ideal response?
Explain the following terms as used in the context of Network Address Translation:
1. Static NAT 2. Dynamic NAT 3. NAT with IP overload 4. Port address translations 5. IP masquerading