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Q. Explain about Domain Name System?
-In the past, mapping of IP addresses was static using a host file
-Impossible in today's dynamic environment
-Domain Name System (DNS) was created to divide mapping information to be stored on multiple computers to be accessed when needed
Physical Media In order to define what is meant by a physical medium let us reflect on the brief life of a bit. Consider a bit travelling from one end system through a serie
What is CRC The CRC is computed while transmission and appended to output stream as soon as last bit goes out onto wire. If the CRC were in header, it will be necessary to make
Q. Describe OSI Routing Architecture? End systems (ESs) as well as intermediate systems (ISs) use routing protocols to distribute (-advertise?) some or all of the informati
Ring: It is a simple linear array where end nodes are associated. It is equal to a mesh with wrap around connections. The data transfer in a ring is generally one direction. So,
Q. Define Guided Media? - Offers a conduit from one device to another - Signal is directed as well as contained by physical limits of medium - Twisted-pair and coaxial ut
Configure IP Settings for the Linksys WRT300N The best way to understand the following settings is to think of the WRT300N as being same to a Cisco IOS-based router with two di
Control Frame: solicit_successor Periodically ask for any station to link by sending solicit_successor Token with sender's addr and successor's addr wait 2 (as in
Speed Up:- Speed up is the ratio of the time required to implement a given program using a definite algorithm on a machine with one processor (i.e. T (1) (where n=1)) to the ti
What is the difference between interior and exterior neighbor gateways? Interior gateways connect LANs of one organization, while exterior gateways connect the organization to
Q. Illustrate Nonboundary-Level Masking with example? Nonboundary-Level Masking Example IP address 45 123 21 8 Mask 255 192 0 0 Subnet 45 64 0 0 123 0
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