When a cable is not broken, but it's not moving data the way it should, use a certifier.
Answer the following statement true (T) or false (F)
True
correct
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r1(x) r2(y) w1(x) commit1 r1(x) w2(x) commit2 This schedule is serializable, but would not be allowed at SNAPSHOT isolation. At SNAPSHOT, T2’s read of x would give the value before T1 wrote it, and then T2 would not be allowed to commit because T1 was the first committer that wrote x.
What will be an ideal response?
The Task Bag is an object that stores (key, value) pairs. A key is a string and a value is a sequence of bytes. Its interface provides the following remote methods
pairOut, with two parameters through which the client specifies a key and a value to be stored. pairIn, whose first parameter allows the client to specify the key of a pair to be removed from the Task Bag. The value in the pair is supplied to the client via a second parameter. If no matching pair is available, an exception is thrown. readPair, which is the same as pairIn except that the pair remains in the Task Bag. Use CORBA IDL to define the interface of the Task Bag. Define an exception that can be thrown whenever any one of the operations cannot be carried out. Your exception should return an integer indicating the problem number and a string describing the problem. The Task Bag interface should define a single attribute giving the number of tasks in the bag.
Session hijacking is a specialized form of ____ in which a hijacker gets unauthorized control of a network session.
A. ping flooding B. address spoofing C. denial-of-service (DoS) D. CGI scripting
When you open a new template as the starting point for a new document, which of the following is NOT true?
A) The new document appears as "Copy of" followed by the old document name. B) All of the content from the original document will be visible. C) You use the structure of the template as the starting point for the new document. D) The document is unnamed.