Signature-based IDPS technology is widely used because many attacks have clear and distinct signatures.

Answer the following statement true (T) or false (F)


True

Computer Science & Information Technology

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Consider six transactions T 1 , T 2 , T 3 , T 4 , and T 5 with:

T 1 initiated at site S 1 and spawning an agent at site S 2 ,
T 2 initiated at site S 3 and spawning an agent at site S 1 ,
T 3 initiated at site S 1 and spawning an agent at site S 3 ,
T 4 initiated at site S 2 and spawning an agent at site S 3 ,
T 5 initiated at site S 3 .
The locking information for these transactions is shown in following table.

(a) Produce the local wait-for-graphs (WFGs) for each of the sites. What can you conclude from the local WFGs?
(b) Using the above transactions, demonstrate how Obermarck’s method for distributed deadlock detection works. What can you conclude from the global WFG?

Computer Science & Information Technology

An example of a free Web-based e-mail service is ________

Fill in the blank(s) with correct word

Computer Science & Information Technology

________ indexes place marked entries and subentries on separate lines with spacing before each indexed item

A) Indented B) Run-in C) Cross-referenced D) Table

Computer Science & Information Technology

The design that determines how data is displayed or compared in a chart is the chart ________

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology