A proposal should begin with the ____________________, a prelude containing no more than a few paragraphs of pithy description and budget totals.
Fill in the blank(s) with the appropriate word(s).
executive summary
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In each of the following cases, state (yes or no) whether the resulting schedule is always serializable and recoverable. If the answer is no, give an example of a schedule that is either not serializable or not recoverable.
Two transactions run concurrently, and each might either commit or abort. The transactions are chosen from the following: T1 : r1(x) w1(y) T2 : w2(x) T3 : r3(y) w3(x) T4 : r4(x) w4(x) w4(y) a. T1 and T2 both running at READ UNCOMMITTED b. T2 and T2 both running at READ UNCOMMITTED c. T1 and T2 both running at READ COMMITTED d. T1 and T3 both running at READ COMMITTED e. T1 and T3 both running at SNAPSHOT isolation f. T1 and T4 both running at SNAPSHOT isolation
Describe possible occurrences of each of the main types of security threat (threats to processes, threats to communication channels, denial of service) that might occur in the Internet.
What will be an ideal response?
Match the following terms to their meanings:
I. Denotes the amount of CPU capability that is not A. CPU Time being used II. Collection of tools with which you can perform B. network interface card tasks such as configuring hard disks III. Measures how long it takes for a processor to C. System Idle Process complete a task IV. Enables your computer to communicate with D. Resource Overview a network V. CPU usage, hard disk drive usage, network usage, E. Computer Management and memory usage instantaneous readouts
There are three different types of sparklines: line, pie, and win/loss
Indicate whether the statement is true or false.