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Q. Show VPNs Security and the Internet Model?
- VPN's Security and the Internet Model
- Application layer - provide for each application protocol (other layers may be left vulnerable)
- Transport layer - difficult to change existing protocols
- Network layer - IPsec (additional security for IP)
- Data Link layer - does not provide end-to-end security
Describe the literal meaning of the term Intranet The literal meaning of the term Intranet as given in various dictionaries is as follows: In' tra net - n. 1) A network
Process to send data is called as encapsulation and process to receive data is called De-encapsulation.
Distributed Shared Memory (DSM) systems copy a shared memory abstraction on loosely coupled architectures in order to allow shared memory programming despite missing hardware suppo
Describe about the term- network If network tends to lose the packets, it is better to acknowledge each one of them separately, so the lost packets could be retransmitted. On t
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
Token Passing - Token Ring (IEEE 802.5) Needs that station take turns sending data Token passing coordinates process Token is a especially formatted three-byte fr
When the computers on the network basically listen and receive the signal, they are referred to as passive due to they don't amplify the signal in any way.
Communication, Resource sharing and Media (When many host share their resources with every other OR when many devices connect with each other for resource sharing )
What is CRC and Checksum CRC (Cyclic redudancy check) CRC, is the most powerful of the redundancy checking methods, is based on binary division. Checksum Checksum
Q. Explain about Mesh Topology? - Dedicated point-to-point links to each other device - n (n-1)/2 links an every device will have n-1 I/O ports - Advantages - Dedic
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