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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.
Question (a) Name 3 popular electronic mail access protocols? (b) i. What is DNS? ii. Briefly, describe what it does and how it works? iii. Why does DNS use a dist
QUESTION (a) Briefly explain the contents of the Needs Analysis, which is step in the process of network design. (b) Describe on the three ways of improving the performan
Proof that the sender forwards the message. It also prohibits the author of the code from falsely denying that he forward the message. This is achieved by record using the exact ti
TRAP AND TRACE SYSTEMS Trap and Trace Systems use techniques to detect an intrusion and trace it back to its source. Trap comprises of honey pot or padded cell and alarm. The dr
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QUESTION (In this question, you will need to use the ISO 27001:2005 and ISO 27002:2005 standards) For each of the situations below, comment on the following: 1. Mention
QUESTION (a) Describe the two possible configurations for 3DES (b) What is the main disadvantage of 3DES? (c) Why are most modern symmetric algorithm block ciphers? (d
How much would it cost to have a project completed by tomorrow night?
state the fundamental principles of 3gpp security
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