What is the difference between physical and logical topology? Provide examples.
What will be an ideal response?
Physical topology describes the actual network cabling and connections, while logical topology describes the way the components interact. It is important to understand the distinction, because a specific physical topology might be able to support more than one logical topology. For example, the star topology is the most common physical topology. However, some networks use a logical bus topology because packets are broadcast out to all nodes on the network, but only accepted by the receiving node.
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Find all users on your system whose user IDs are greater than 99, and the number of users on your system whose user IDs are greater than 99.
What will be an ideal response?
One of the goals of commercial Web sites is to give users a reason to return to the site again and again.
Answer the following statement true (T) or false (F)
Although information encrypted using ____ is technically not secure, it is considered secure in practice because of the large amount of computation necessary to find the prime factors of the encoding key.
DES AES SSL RSA
A __________ is a member function that is automatically called when a class object is __________.
a. constructor, created b. destructor, created c. static function, deallocated d. utility function, declared e. None of these