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Q. Define Guided Media?
- Offers a conduit from one device to another
- Signal is directed as well as contained by physical limits of medium
- Twisted-pair and coaxial utilize copper conductors to accept and transport signals in form of electrical current
- Optical fiber is glass cable that accepts as well as transports signals in form of light
Q. Show the properties of Microwaves? Microwaves - Frequencies among 1 and 300 GHz - Unidirectional - Narrow focus requires sending as well as receiving antennas to
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
Need for standards - Over the past couple of decades several of the networks that were built used different hardware and software implementations therefore they were incompatib
how to own cipher to encrypt and decrypt message by combine both substitution ans transposition algorithm using c program
Question The circuit in the figure is driven by a 9 mV amplitude signal generator with an output impedance of 2 kW. What is the output voltage amplitude from the circuit in the
Q. Difficulties in Internetwork Communication? - Data arrive at interface f1 of s1 - How does s1 know that they must be sent out from interface f3? - There is no provisio
What is the meaning of P-persistent If the medium is idle, transmit with probability p, and delay one time unit with probability (1 - p); if the medium is busy, continue to lis
Identify the purpose of the TCP three step handshakes Ans) The three step handshake establishes the parameters needed for a TCP connection. During the handshake process series n
Q. Define internet network address? The internet network address is additional commonly called the -IP address.? It consists of 32 bits a few of which are allocated to a hi
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
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