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How does a Token-Passing Protocol works?
The token-passing protocol relies on a control signal known as the token. A token is a 24-bit packet that circulates throughout the network from NIC to NIC in an orderly fashion. If a workstation needs to transmit a message, first it must seize the token. At that point, the workstation has complete control over the communications channel. The existence of only one token eliminates the possibility of signal collisions. This means that only single station can speak at a time.
Name the categories of Multiplexing? There are three categories of multiplexing a. Frequency Division Multiplexing (FDM) b. Time Division Multiplexing (TDM) i. Sync
Question 1 Differentiate LAN and WAN Question 2 Explain the TCP/IP Reference Model with diagram Question 3 Describe Circuit switching and message switching Question
DEFINITION: Latency = Delay. Because a store and forward switch reads the entire frame before forwarding, a larger frame takes longer than a shorter frame.
Computer Networks A computer networks can be defined as set of computer that interact among the individual computers sharing resources or information. Reference models
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
define reliable transmission of data
Document the Switch Configuration When you have done your troubleshooting, capture the output of the show run command and save it to a text document for each switch.
Applications of Fiber Optics - Backbone networks because of wide bandwidth and cost effectiveness - Cable TV - LANS - 100Base-FX (Fast Ethernet)
Calculate the Network Address, the broadcast address and the host range, for the following host address i. 192.168.180.94/27 ii. 172.23.8.19 /21 iii. 147.252.238.20 255.255.240.0 b
Retransmission of packets The disadvantage of thronging away a correctly received packet is that the subsequent retransmission of the packet might be lost or garbled and
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