Many cloud providers allow customers to perform penetration tests and vulnerability scans without permission and whenever is necessary.
Answer the following statement true (T) or false (F)
False
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Explain why this protocol prevents a global deadlock among transactions.
The kill-wait concurrency control of Exercise 20.32 is based on locking. When it is used in a distributed system, it is referred to as the wound-wait protocol. We assume that a distributed transaction uses RPC to communicate among cohorts so that when the two-phase commit protocol starts, all cohorts have completed. The kill primitive is replaced by a wound primitive. If the cohort of transaction, T1, at some site makes a request that conflicts with an operation of the cohort of an active transaction, T2, at that site, then if TS(T1) < TS(T2) then wound T2 else make T1 wait where wound T2 means that T2 is aborted (as in the kill-wait protocol), unless T2 has entered the two-phase commit protocol, in which case T1 waits until T2 completes the protocol. What will be an ideal response?
What syntax characters in PowerShell indicate optional items?
A. curly braces B. parenthesis C. angle brackets D. brackets
The iframe element requires the ________ attribute to specify the content of the frame
A) target B) style C) src D) name
Which statement is an example of a repetition structure?
A. if (Ginger is on the bench) B. repeat (2 times) C. sit down D. walk forward