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Define GRE in PPTP?
Encryption Authentication One common technique used to encrypt and authenticate in VPNs is IP security. IP sec is a collection of protocols designed by the IETF( Internet En
Q. Categories of Encryption - Decryption ? Categories of Encryption/Decryption - Symmetric-key - encryption key (Ke) and the decryption key (Kd) are the same and secret
FDDI has four specifications: 1. Media Access Control it defines how the medium is accessed 2. Physical Layer Protocol it defines data encoding/decoding procedures 3. Phy
Simplicity The advantage of this approach is the simplicity of receiver buffering. The receiver need not buffer out of order packets the sender must maintain the upper an
State about the Bus Topology Comments 1 - Requires less cabling than a star network 2 - If there is a central cable problem entire netwo. rk goes down 3 - Less e
Explain about star topology This topology, obviously, needs a great deal of cabling. This design gives an excellent platform for reconfiguration and trouble-shooting. Changes t
While calculating shortest path, first we assume graph presentation of network at every node then we use Djikstra's algorithm to calculate shortest path from every node to other on
Question: a) The Systems Administrator of Acme Company performs the backup of the website database file every day at 15:50. The original file location is database.sql. The Ad
Explain about the Switches LAN switches are an expansion of the method in LAN bridging, which controls data flow, handles transmission errors, gives physical addressing, and ma
When an error is discovered the receiver is able to ask the sender to retransmit the entire data unit Error Correction-Forward Error Correction A receiver is able to u
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