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As the Internet started, the original Classful addressing procedure became a limitation. The IP address space was being terminated because all networks had to select one of three possible sizes. Many addresses were not used.
Two new methods were invented to overcome the limitations, which are as given:
Instead of having three different address classes, allow the division between suffix and prefix to occur on an arbitrary boundary. The classless addressing scheme answers the problem by allowing an ISP to give a prefix. Prefix is 28 bits long.
Q. Physical Layer Responsibilities of osi model? - Physical characteristics of interfaces as well as media - Representation of bits with no interpretation - Data rate is
Every input line of the combinational circuit represents an individual element of the string say xi and every output line results in the form of a sorted list. In order to attain t
Recognize the command that shows traffic statistics on serial0/1? Ans) show interface serial 0/1
The relationship between dotted decimal notation and classes is shown as follows. In class A the three octets managed to a host suffix. In class B the last most two octets ar
A magazine publisher based in Nairobi has branch in Kisumu, and one in Mombasa. The company has kept in touch by telephone and courier service. Each office is networked. The networ
Describe the main factors of switching delay No. The speed of propagation is 200,000 km/sec or 200 meters/µsec. In 10 µsec signal travels 2 km. Therefore, each switch adds equi
1. What does RIP stand for? 2. What metric does RIP use for Path Selection? 3. If the metric used by RIP exceeds this value for a route it is considered unreachable, effec
Multicast An identifier for a set of interfaces (typically belonging to dissimilar nodes). A packet sent to a multicast address is delivered to all interfaces identified by tha
design issues
Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frames are 25 bytes long. Calculate the efficiency of stop-and-wait ARQ (a) Transmits a
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