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What can be done to fix signal attenuation problems?
A common way of dealing with like problem is to use repeaters and hub, because it will help regenerate the signal and thus prevent signal loss. Checking if cables are properly terminated is also a must.
Simplicity The advantage of this approach is the simplicity of receiver buffering. The receiver need not buffer out of order packets the sender must maintain the upper an
Q. Explain Stop--and--Wait automatic repeat request? 1. Numbering frames prevents the retaining off duplicate frames. 2. Numbered acknowledgement are needed in case of delay
Q. What is Network Address? Network Address First address in the block, assigned to the organization Defines the network itself and cannot be assigned to a host
ATM designers select cells over packets because of the following facts: Cells are fixed length and memory management for them is easy. Handling variable length packets tends
The following information was obtained from a host computer: 00:05:17.176507 74.125.228.54.1270 > 64.254.128.66.25: S 2688560409:2688560409(0) win 16384 (DF) (ttl 46, id 2096
Explain about the Integrating Intranet These Intranets are designed to replace the complexity of in-house communications and processing systems that large organisations ofte
What are firewalls? Firewalls serve to protect an internal network from external attacks. These external threats can be hackers who need to steal data or computer viruses that
Explain the concept of router-root path The mean router-router path is double the mean router-root path. Number levels of tree with root as 1 and the deepest level as n. The pa
QUESTION a) List the seven layers of the ISO-OSI model and briefly describe the role of each layer b) Describe the functions of the following intermediate systems- Rep
What are local variables? Local varaiables are those which are declared within a block of code like methods. Local variables should be initialised before accessing them.
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