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What is the juncture at which the CPE ends and the local loop portion of the service starts?
Ans) The demarcation or demarc is the juncture at which the CPE ends and the local loop portion of the service starts. The CO (Central Office) is the nearest point of presence for the provider's WAN service. The local loop or "last-mile" is the cabling that extends from the demarc into the WAN service provider's central office.
What is VRC? It is the most common and least costly mechanism for Error Detection. In VRC, a parity bit is added to each data unit so that the total number of 1s becomes even f
Consider figure. Assume a new flow E is added that takes a path from R1 to R2 to R6. How does the max-min bandwidth allocation change for the 5 flows?
OBJECTIVES After reading this unit, you should be able to: Describe the basics of parallel programming; Explain the parallel programming based on message passing;
Q. How to connect Remote LANs? - Remote bridges acting as connecting devices to connect LANs and point-to-point networks such as leased telephone lines or ADSL lines
Packing and Unpacking Data pvm_packs - Pack the active message buffer with arrays of prescribed data type: int info = pvm_packf( const char *fmt, ... ) int info = pv
Describe different router types in OSPF?
Mention and explain 16 bit, basic programmable registers in 8086 operated in real mode?
Switches operate at layer 2. They enhance bandwidth by decreasing the number of devices sharing the media. They isolate collisions. Like a bridge they forward traffic based upon la
discuss communication isolation and privatization in network topologies
Local information is immediate hop routing table and distance from every switch. The switches regularly broadcast topology information i.e. distance, destination. Other switches mo
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