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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.
Q. Explain Multipurpose Internet Mail Extensions? - The Multipurpose Internet Mail Extensions is an extension of SMTP that allows the transfer of multimedia and other non-ASCII
Fast Ethernet Operates at 100 Mbps faster speeds required for image processing, CAD, real-time audio and video No change in frame addressing, format or access method
Q. Show the Class D and Class E Addresses? Class D and Class E Addresses Class D - reserved for multicast addresses Multicasting - transmission method which allo
Star Topology Devoted point-to-point links to central controller (hub) Controller acts like exchange Advantages - Less expensive - Robustness Disadv
Q. Define Ring Topology? Dedicated point-to-point arrangement to neighbours Signal is conceded from device to device until it reaches destination Every device functio
Q. What is Aspects of Security? - Security Attack: Any action whichcompromises the security of information owned by an organization. - Security Mechanism: A mechanism th
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Define the Bulletin Board Intranet This type of Intranet in an organisation extends to everyone the capability to review or update information that would normally be placed
Mesh It is of two dimensional network. In this every processing elements are arranged in a two dimensional grid. The processor are in rows i and column j are denoted by PEi
Connection oriented
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