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The Network layer is used to route physical data to the destination point, it decides the actual path from where data travels to destination point. The network layer supports both Connection oriented and connectionless services.
Today, the modern computers are multitasking and at a time different applications try to send and receive data so the Transport layer is given the charge to convert all the data that is received from the application into packets and these packets have headers which contains the information such as where to send the data etc. But Transport layer provides the physical path of sending data so; it is difficult to combine these two layers into one.
Advantages of OSPF OSPF an is having different advantages. These are as follows. OSPF is an open standard supported by many vendors. OSPF converges quickly. OSPF au
Question: Consider that you have to configure a small WLAN of 8 computers using Wired Equivalent Privacy (WEP) and that you have to best make use of its available security f
Define Routing? The process of determining systematically hoe to forward messages toward the destination nodes based on its address is known as routing.
Q Illustrate Return to Zero encoding? - In NRZ-I long strings of 0s may still be a problem - May comprise synchronization as part of the signal for both 1s and 0s - How?
Radio Waves - Frequency ranges: 3 KHz to 1 GHz - Omni directional - Susceptible to interference by other antennas utilizing same frequency or band - Ideal for long-di
To stop Service Advertisements (SAPs) from flooding a network, Cisco routers do not forward them. How are services advertised to other networks? Ans) Every router builds its own
What are the important topologies for networks? BUS topology: In this every computer is directly linked to primary network cable in a single line. Advantages: Inexpensive,
Question: a) Compare Bluetooth and WIFI based networks over the following factors: Data rate, Range, Application Focus, Battery Power, Frequency Band, Security. b) Differe
define the concept of routing protocol?
What are the main categories based on which applications of computer network can be categorized? The major areas under which the applications for computer network can be divide
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