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Q. Describe Mail Access Protocols?
Mail Access Protocols
- Used by receiver to retrieve mail when desired
- Post Office Protocol, version 3 (POP3) is a simple limited protocol to access mail
- Assumes entire mailbox is transferred when accessed
- Internet Mail Access Protocol, version 4 (IMAP4) has more features and functions
A communication protocol is an agreement which specifies a common language two computers use to exchange messages. For instance, a protocol denotes the exact format and meaning of
What is the importance of implementing a Fault Tolerance System? Are there limitations? A fault tolerance system makes sure continuous data availability. This is done by elimin
a) Manages protocol access to the physical network medium b) Permits multiple devices to uniquely signify one another on the data link layer
Question 1 Explain FDM and TDM with example Question 2 Define B-ISDN and explain its services Question 3 What is symmetric key cryptography? Describe one symmetric
Options Negotiation To use any of the options first requires option negotiation between the client and server. Four control characters are used for this purpose.
Briefly describe NAT and RIP NAT is Network Address Translation. This is a protocol that gives a way for multiple computers on a common network to share one connection to the I
NETWORK MANAGEMENT & SECURITY 1. Describe a basic communication model. 2. State the following terms: a. Configuration Management b. Fault Management c. Security Management
As discussed in the earlier section each computer linked to the Internet has a unique address. Let's assume your IP address is 1.2.3.4 & you wish to send a message to the computer
features
Explain what are the External Threats External security threats are the most problematic ones. Till date the greatest threat was the virus menace. Now, with the sophisticated
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