This is where the computer is not connected to the right VLAN.
What will be an ideal response?
VLAN mismatch
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A blind write occurs when a transaction writes a database item it has not read. For example, in the Student Registration System a transaction might compute a student’s GPA by reading her course grades, computing the average, and then (blindly) writing the result in the appropriate database item without first reading that item. Some applications have the property that no transactions perform blind writes. Show that for such applications
a. Viewequivalence is equivalent to conflict equivalence. b. The timestamp-ordered concurrency control described in Section 20.9.1 never uses the Thomas Write Rule. c. In the timestamp-ordered concurrency control described in the text, for each item, x, that a transaction, T, w rites, w hen T commits, rt(x) = wt(x) = TS(T).
When a C program passes an array as a function argument,
a. the value of the initial element of the array is actually passed. b. the address of the initial element of the array is actually passed. c. the entire array is copied into the function's data area. d. the addresses of the initial and final elements of the array are copied into the function's data area. e. none of the above.
Identify and define the three categories of file permissions.
What will be an ideal response?
Which form of online communication happens in real time?
a.Blog b.Chat c.Email d.Forums