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How do we do encryption and authentication in L2F?
define protocol
You are requested to design a secure home or small scale network (Fig. 1) to satisfy the key concepts underlying computer and network security: confidentiality, integrity, availabi
The connection-oriented service process for networking is same to the manner in which telephones are used. This is shown as follows: A caller dials a number of the receiver. The
What is WDM? WDM is conceptually the similar as FDM, except that the multiplexing and demultiplexing includes light signals transmitted by fiber optics channel.
Determine about the Tree Topology A generalization of the bus topology. The transmission medium is a branching cable with no closed loops. The tree layout begins at a point kno
write on everything on telecommunication
Q. Illustrate Stop-and-Wait Automatic Repeat request? - Simplest flow as well as error control mechanism - The sending device keeps a duplicate copy of the last frame transm
A modified NRZ code known as enhanced-NRZ (E-NRZ) operates on 7-bit words; inverting bits 2,3,6 and 7; and adding one parity bit to each word. The parity bit is chosen to make the
Can you describe static and dynamic tunnels?
What is difference among ARP and RARP? The address resolution protocol (ARP) is used to associate the 32 bit IP address with the 48 bit physical address, used by a host or a ro
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