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Authoritative DNS Servers
Every organization with publicly accessible hosts ( such as web server and mail several on the internet must provide publicly accessible DNS records that map the names of those hosts to IP addresses. An organization authoritative DNS server house these DNS records. An organization can chosen to implement its own authoritative DNS server to hold these records alternatively the organization can pay to have these records store in an authorities DNS server of some service provide. Most universities and lamp companies implement and maintain their own primary and secondary their own primary and secondary ( backup) authoritative DNS server.
What is Bit Stuffing? Bit stuffing is the process of adding one extra 0 whenever five consecutive is follow a 0 in the data, so that the receiver does not mistake the pattern 0
Define Decoder? A device or program that translates encoded data into its original format (e.g. it decodes the data). The term is often used in reference to MPEG-2 video and so
Virtual channel is normally a link from one source to one destination, although multicast connections are also allowed. The other name for virtual channel is virtual circuit.
a) Consider that a host is sending a frame of 1200 bytes to another host found 20 Kilometers away. (Assume that switching delay is negligible) i) Calculate the total latency (
Explain the cost of a path between two nodes Given a network of nodes linked by bidirectional links, where every link has a cost associated with it in each direction, explain t
What are the features of star and ring topology The three networks have following features: star: best case is = 2, average case is = 2, worst case is = 2 ring: best case
can we correct errors using crc?
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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Q. Illustrate Transport Layer Responsibilities ? - Process-to-process delivery of whole message - Port addressing - Segmentation and reassembly - Connection control co
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