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Q. Explain about Virtual Circuit Switching?
Virtual Circuit Switching
- All packets belong to a message (or) session is preserved.
- Single route is selected between source/destination.
- All packets obtain that route to reach destination.
- It requires a call setup to establish a virtual circuit. (Either permanent or switched type)
- Uses virtual circuit identifier for routing.
Router# reload is the command to reload the router
Q. Explain the Types of Security Service? Security Services fall into one of the subsequent categories - Confidentiality: Confirms that the info in a system and transm
In this question, we study Nested ESP in AH, that is, we combine ESP with AH. Let's look at the site-to-site VPN scenario shown again in Figure 1. Let's assume that Alice's desktop
Classification of Access Networks Access networks can loosely be classified into three categories 1. Residential Access 2. Company Access 3. Wireless Access
Length This is a 16 bit field that defines the total length of the user datagram, header plus data. This 16 bit can define a total length of a 0 to 65, 535 bytes.
Future of the intranet At present, the world of information technology is guided bythe C 3 paradigm that stands for Command, Control and Communication, which is normally
What is Message Oriented Middleware (MOM)? Ans) MOM permits general purpose messages to be exchanged in a Client/Server system using message queues. Applications communicate ove
When to use Static routes and dynamic routes?
Hybrid of Client Server and P2P Architecture Both of the architecture are commonly used architecture. However many applications are organized as by brides of the clie
What is the meaning of P-persistent If the medium is idle, transmit with probability p, and delay one time unit with probability (1 - p); if the medium is busy, continue to lis
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