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Wideband Digital Cross Connects
A SONET cross connect accepts various optical carries rates accesses the STS signals and switches at this level . it is idally used at a SONET hub as shown in one major difference between a cross connect and an add drop multiplexer is that broadband cross connect can be used for grooming of STS is or for broadband traffic management. For example it may be used to segregate high bandwidth from low bandwidth traffic and send it separately to high bandwidth switch and a low bandwidth switch. It is the synchronous equivalent of aDS-3 digital cross connect and support hubbed networks.
802.11g OFDM a) Uses OFDM with same 2.4 GHz band b) Achieves a 54-Mbps data rate c) Works with same 802.11b equipment
Fixed version of rdt 2.0 rdt 2.1 The rdt 2.1 sender and receiver FSM each now have twice as many states as before. This is because the protocols state must now refle
Q. What are the TCP Services? TCP - Services Full Duplex Service Connection Oriented Service Reliable Service
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TWO DIFFERENT KINDS OF TOPOLOGIES: LOGICAL TOPOLOGY: It is described by the specific network technology. PHYSICL TOPOLOGY: It relays on the wiring scheme. NE
SONET Frame Format SONET uses a basic transmission rate of STS -1 that is equivalent to 51.84 mbps. Higher level signals are integer multiples of the base rate. For exa
Differentiate between Fast fading and Slow fading Fast fading refers to changes in signal strength among a transmitter and receiver as the distance among the two changes by a s
Q. What do you understand by Protocol? Ans: In the context of data networking, a protocol is a formal set of rules and conventions that governs how computers interchange infor
Token Bus Frame Format No length field Data is able to be much larger (timers prevent hogs) Frame control Ack required? Data vs Control frame and how is
Point out the drawbacks of Token Ring. Few of the drawbacks of Token Ring are: a. Token Ring is very costly. All topology components cost much more than other more popular s
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