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In which type of the switchings given below, entire capacity of a dedicated link is used?
- a)circuit switching
- b)Data gram packet switching
- c)Virtual circuit packet switching
- d)Message switching
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
In which type of the switchings given below, entire capacity of a dedi...
In circuit switching entire channel capacity is used for single communication.
Two types of switched services are used in Wide Area Network:
(1). Circuit Switching: In circuit switching, a dedicated channel, called circuit, is set up between two stations for the duration of the transmission.The circuit must be established to make a complete end-to-end connection before any data transmission.The whole bandwidth is dedicated to to this connection even if no data is being transferred.
(2). Packet Switching: In packet switching there is no dedicated circuit between any two end nodes, links can be dynamically shared among several communications over time. To provide the link sharing, user data must be segmented into discrete, variable length units called packets.
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In which type of the switchings given below, entire capacity of a dedi...
Explanation:
Circuit Switching:
- In circuit switching, the entire capacity of a dedicated link is reserved for the duration of the communication session.
- The connection is established before any data is transferred, and the link remains reserved until the communication session is terminated.
- This means that the link is exclusively used by the communicating parties for the entire duration of the session.
- Examples of circuit-switched networks include traditional telephone networks.
Data gram Packet Switching:
- In data gram packet switching, data is divided into packets that are individually routed to their destination.
- Each packet may take a different route and may not arrive in the same order they were sent.
- The capacity of the link is not reserved for a particular communication session, and different packets may share the link with other traffic.
Virtual Circuit Packet Switching:
- Virtual circuit packet switching is a combination of circuit switching and packet switching.
- A virtual circuit is established before data transfer begins, similar to circuit switching.
- However, once the virtual circuit is established, data is divided into packets and sent individually like in packet switching.
Message Switching:
- In message switching, the entire message is sent from one node to another.
- The message is stored and forwarded through a series of intermediate nodes until it reaches its destination.
- The capacity of the link is not reserved exclusively for the message.
Therefore, in circuit switching, the entire capacity of a dedicated link is used for the duration of the communication session, making it the only switching type where the entire link capacity is reserved.
Circuit Switching:
- In circuit switching, the entire capacity of a dedicated link is reserved for the duration of the communication session.
- The connection is established before any data is transferred, and the link remains reserved until the communication session is terminated.
- This means that the link is exclusively used by the communicating parties for the entire duration of the session.
- Examples of circuit-switched networks include traditional telephone networks.
Data gram Packet Switching:
- In data gram packet switching, data is divided into packets that are individually routed to their destination.
- Each packet may take a different route and may not arrive in the same order they were sent.
- The capacity of the link is not reserved for a particular communication session, and different packets may share the link with other traffic.
Virtual Circuit Packet Switching:
- Virtual circuit packet switching is a combination of circuit switching and packet switching.
- A virtual circuit is established before data transfer begins, similar to circuit switching.
- However, once the virtual circuit is established, data is divided into packets and sent individually like in packet switching.
Message Switching:
- In message switching, the entire message is sent from one node to another.
- The message is stored and forwarded through a series of intermediate nodes until it reaches its destination.
- The capacity of the link is not reserved exclusively for the message.
Therefore, in circuit switching, the entire capacity of a dedicated link is used for the duration of the communication session, making it the only switching type where the entire link capacity is reserved.
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In which type of the switchings given below, entire capacity of a dedicated link is used?a)circuit switchingb)Data gram packet switchingc)Virtual circuit packet switchingd)Message switchingCorrect answer is option 'A'. Can you explain this answer?
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