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Q. Fiber-Optic Cable as transmission media?
- Made of glass signals are transmit like light pulses from an LED or laser
- Light is as well a form of electromagnetic energy
- Speed depends on density of medium it is travelling through fastest when in a vacuum 186000 miles/second
Q. What is Bipolar Encoding? - Uses three voltage levels negative, positive and zero - Zero level represents binary 0; 1s are represented with alternating positive and negat
popular digital encoding schemes ?
Synchronous Synchronous traffic is able to consume a portion of the 100 Mbps total bandwidth of an FDDI network while asynchronous traffic can consume the rest. Synchronous
NETWORK INTERFACE HARDWARE: CPU can't operate data at network speeds. So in order to connect to the network device systems use special purpose hardware for network connection
FDDI -(Fiber Distributed Data Interface) FDDI Basics: FDDI (Fiber Distributed Data Interface) came about because system managers became concerned with network reliability i
Describe in details about applications of Computer Networks ?
Layered Architecture The best way to understand any complex system is to break it into pieces and then analyze what they do and how they interact. The most logical app
Command Structure: Commands are all-upper-case strings, either 4 or 6 characters in length. Table 1 shows the commands, and (for method commands) the parameters, return values, ex
modern technology in world of 21 century
"arpa" is used by the Cisco IOS for which encapsulation types Ans) Ethernet_II
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