2709A1 Discussion Sheet

2709A1 Discussion Sheet - 2709A1 Discussion Sheet SHORT...

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2709A1 Discussion Sheet SHORT ANSWER 1. ANS: One reason for hiding IP addresses is to add a marginal amount of security to a private network when it is connected to a public network. Because a transmission is assigned a new IP address each time it reaches the public sphere, those outside an organization cannot trace the origin of the transmission back to the specific network node that sent it.However, the address assigned to a transmission by the gateway must be an Internet- authorized IP address; thus, it can be traced back to the organization that leased the address. Another reason for using NAT is to enable a network administrator to develop her own network addressing scheme that does not conform to a scheme dictated by ICANN. REF: 578-579 2. ANS: The features include: Users can retrieve all or only a portion of any mail message Users can review their messages and delete them while the messages remain on the server Users can create sophisticated methods of organizing messages on the server Users can share a mailbox in a central location REF: 585 3. ANS: IMAP4 servers require more storage space and usually more processing resources than POP servers do. By extension, network managers must keep a closer watch on IMAP4 servers to ensure that users are not consuming more than their fair share of space on the server. In addition, if the IMAP4 server fails, users
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This note was uploaded on 03/08/2010 for the course CIE M350 taught by Professor . during the Winter '09 term at World College.

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2709A1 Discussion Sheet - 2709A1 Discussion Sheet SHORT...

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