The write-ahead feature implies that the page cannot be written until the update records of both transactions have been stored in the log. Assuming update records contain after-images, the page does not have to be written out except as dictated by the rule relating to the use of checkpoint records.

What will be an ideal response?

No special procedures are required. Since the lock table is volatile, the system has no way of remembering the status of locks and so locks are automatically released.

Computer Science & Information Technology

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Recursion will stop if there is a dove in the list, due to lines:

``` 1 bool search( Node ptr, Bird & bird, Bird dove ) 2 { 3 if ( ptr == NULL ) 4 return false; 5 if ( ptr->info == dove ) { 6 bird = ptr->info; 7 return true; 8 } 9 return search( ptr->next, bird, dove ); 10 } ``` which is called for a linked list (where start points to the first node) using the lines of code: ``` if ( search( start, bird, dove ) ) cout << “search successful” << endl; ``` A. 3-8 B. 5-8 C. 9 D. 3-4

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The ____ server role enables you to set up a software environment from which to create multiple virtual machines.

A. App-V B. Hyper-V C. V-Sphere D. VMM

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An IP-based protocol used to communicate between iSNS clients and servers for the purpose of allowing iSCSI devices to discover and monitor one another

What will be an ideal response?

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What advanced port-scanning tool can allow a security tester to bypass filtering devices by injecting crafted or otherwise modified IP-packets into a network?

A. Hping B. NetTools C. Nessus D. Nmap

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Computer Science & Information Technology