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However what if you don't know about the IP address of the computer you wished to connect to? What if you have to access a web server referred to as www.abc.com? How does your web browser know where this computer lives on the Internet? The answer to all of these questions is the Domain Name Service or DNS. It is a distributed database, which keeps track of computer's names & their corresponding IP addresses on the Internet.
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
What is Connection-oriented communication Connection-oriented communication can be in three phases. In establishment phase a request is made to set up the connection. Only afte
Q. Show the Go-back-N - Control Variables? - S- holds the series number of the recently sent frame - SF - holds sequence number of the first frame in the window - SL - ho
Q. Diffrence between Network vs Internet Layers? - Similar to all the other OSI Layers the network layer provides both connectionless and connection-oriented services. From th
What is Microwave? Microwaves have been used in data communications. Microwave has a higher frequency than radio waves and thus can handle larger amounts of data.
Split Horizon - If you attain a protocol's route on an interface, do not send information about that route back out that interface.
Question : a) Describe the following core components of a cellular based network: i) Cell ii) MSC iii) HLR & VLR iv) PSTN b) Explain why frequency reuse is consi
What are NETBIOS and NETBEUI? NETBIOS is a programming interface that permits I/O requests to be sent to and received from a remote computer and it hides the networking hardwar
Connections in ATM are known virtual circuits or virtual channels These are known virtual, since connections are created in ATM by starting values in memory locations (tables) in A
In formation sharing at regular intervals For example every 30 seconds each router sends its information about the whole network to its neighbours. This sharing occurs
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