What can an IDPS check to try to determine whether a packet has been tampered with or damaged in transit?
A. parity bit
B. CRC value
C. checksum
D. fragment offset
Answer: C
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Answer the following statements true (T) or false (F)
1) In most interactive operating systems adequate response time is the critical requirement. 2) One problem with a pure priority scheduling scheme is that lower-priority processes may suffer starvation. 3) FCFS performs much better for short processes than long ones. 4) Round robin is particularly effective in a general purpose time sharing system or transaction processing system. 5) The objective of a fair-share scheduler is to monitor usage to give fewer resources to users who have had more than their fair share, and more to those who have had less than their fair share.
Which of the statements below is false?
Consider the classes below, declared in the same file: ``` class A { int a; public A() { a = 7; } } class B extends A { int b; public B() { b = 8; } } ``` a. Both variables a and b are instance variables. b. After the constructor for class B executes, the variable a will have the value 7. c. After the constructor for class B executes, the variable b will have the value 8. d. A reference of type A can be treated as a reference of type B.
Match the following terms to their meanings:
I. Group A. A database object that retrieves specific data from one or II. Record set more tables and displays the data in datasheet view III. Running sum B. A calculation that accumulates from record to record IV. AND condition C. All of the records in a given collection of records V. Select query D. Organizes records by a common value and permits the addition of summary data E. A logical test that compares two conditions, and returns true only when both of those conditions are true
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Indicate whether the statement is true or false