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Microcells
As cells become smaller, antennas move from the tops of tall buildings or hills, to the tops of small buildings or the sides of large buildings, and finally to lamp posts, where they form microcells. Each reduces in cell size is accompanied by a reduction in the radiated power levels from the base stations and the mobile units. Microcells are useful in city streets in congested areas, with highways, and inside large public buildings.
Q. Illustrate the Drawbacks of stop and wait? Drawbacks of stop and wait - Only one frame is able to be in transit at a time - After every frame sent the host must wai
Disadvantages of IP sec Tunnelling mode IP sec tunnelling mode has the following disadvantage a.Encryption of small packets generates a lot networks over head thu
An ATM network is created from interconnected ATM switches. The attachment ports or points can be connected to computers or other ATM switches. As cells reach at an ATM switch, the
modern technology in world of 21 century
What are the functions of the typical server program? It waits for client-initiated requests. Executes many requests at the same time. Takes care of VIP clients first. Initiate
Hybrid of Client Server and P2P Architecture Both of the architecture are commonly used architecture. However many applications are organized as by brides of the clie
What are proxy servers and how do they protect computer networks? Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without i
Which protocol comes under Hybrid dynamic type? Ans) EIGRP (ENHANCED INTERIOR GATEWAY ROUTING PROTOCOL) comes under hybrid dynamic.
Consider figure. Assume a new flow E is added that takes a path from R1 to R2 to R6. How does the max-min bandwidth allocation change for the 5 flows?
Computer Networks A computer networks can be defined as set of computer that interact among the individual computers sharing resources or information. Reference models
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