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In the e-mail system, where the e-mail messages are saved and why? E-mail messages are saved in user’s private electronic mailbox. A mailbox refers to a local/domestic hard drive component, a special file connected with permission restrictions so that only the owner that is the authorized user might have the capability of accessing it. The messages are saved until the recipient checks their electronic mailboxes (which means opens and reads them). Hence, the user should check the electronic mailbox frequently. Though, most of the systems provide an alert whenever a mail is received in the inbox. After thee-mail message has been read. The user can store it in the form of a text file, reply to it if needed, forward it to the other users, delete it copy if it is useless or take a print of it. Since, mailboxes are not quite stable, the e-mail message can be stored by copying it to a file or the document.
Early networks used simple point-to-point communication . In such a method of communication every communication channel connects exactly two devices. In this way it prepares a m
Question: (a) What is the use of digital certificate? (b) What is meant by a hierarchical trust model in a Public Key Infrastructure? How does the Pretty Good Privacy (PG
(a) Describe the concept of zero knowledge proofs. Give a practical example. (b) Explain how a one way hash function works. (c) What are message authentication codes? (d)
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(a) Explain the two possible configuration for 3DES. (b) What is the main disadvantage of 3DES? (c) Why are most modern symmetric algorithm block ciphers? (d) Describe
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There is another probing methods i-e Trace Route. To get more detail it is used As given in the figure about the route to DANDELION-PATCH.MIT.EDU was looked out a
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