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Q. Describe Flow and Error Control Mechanisms?
Flow and Error Control Mechanisms
- Stop and Wait ARQ
- Go-Back ARQ
- Selective Repeat ARQ
Microcells As cells become smaller, antennas move from the tops of tall buildings or hills, to the tops of small buildings or the sides of large buildings, and finally to lamp
Define the term Socks- Network security As it is well known, each type of network security protects data at a different layer of the OSI model. Built-in at each layer lies the
What is the difference between a straight-through and crossover cable? A straight-through cable is used to connect computers to a hub, switch, or router. A crossover cable is u
What is Stop-and-Wait Protocol? In Stop and wait protocol, sender sends single frame, waits unless it receives confirmation from the receiver (okay to go ahead), and then sends
What is Multi-mode fiber Multi-mode fiber uses LEDs like the light-generating devices while single-mode fiber generally uses lasers. FDDI specifies the utilization of dual r
Ans) UDP TCP SPX
Ans) The Transport Layer : Segments upper-layer applications. Establishes an end-to-end connection. Sends segments from one end host to another. Optionally, make sures
What is the Frame relay, in which layer it comes? Ans) Frame relay is an industry standard, shared access, switched Data Link Layer encapsulation that services many virtual circ
Q. Describe OSI Routing Architecture? End systems (ESs) as well as intermediate systems (ISs) use routing protocols to distribute (-advertise?) some or all of the informati
Q. Explain about Traditional Modems? - Subsequent to modulation by the modem an analog signal reaches the telephone company switching station where it sampled and digitized to
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