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DNS Working
While discussing about the working of the DNS, there are many things which need to consider and play Avery significant role. This can the type of communication between the systems, protocol used type of request etc. DNS which is simply stands of rate Domain Name server, the name itself reflects the working of the system. IT translates the domain name for the requested urn of can say the IP address. As on Internet, every machines, whether it u a client or server is identified with the unique address which is neither identical not common. This unique address also known as the Internet Protocol address of simply the IP address enables the DNS to locate the desired pages form the n number of servers or sites. The Ip address is generally 16 bit or 32 bit address, which again almost next to impossible of the human to remember ip address of all the desired websites. This facility is generally offered by the DNS to the humans. This is the major task which is performed by the DNS.
Reliability is the probability of success ; where success is defined as compliance to specified requirements. A system or an item is considered reliable if it performs satisfactori
Features of FDM 1.The FDM channel carries only one phone circuit at a time. 2.If an FDM channel is not in sue then it is sits idle and cannot be used by other user
Q. What is Shielded Twisted Pair? - A metal foil or braided-mesh covering encases every pair of insulated conductors to prevent electromagnetic noise called crosstalk - Cros
Hybrid Networks Allows an organization to have its own private networks and at the same time access to the global internet. the organization may share its information w
Can you describe the concept of IP multicasting or multicast IP address?
A. Current setting A new bank has its headquarters located in City A. Recently, the bank has opened its first branch in City B, and its data centre in City C. The three cities a
Operating system does CISCO have
Fragmentation - Wireless environment is very noisy - Corrupt frames must be retransmitted - Large frames must be divided into smaller ones to increase efficiency
Deadlock Avoidance To avoid deadlocks two types of strategies are used: 1) Static prevention: It uses V and P operators and Semaphores to allocate and deallocate shared res
Two neighbouring nodes (A and B) use a Go-Back-N protocol with a 3-bit sequence number and a window size of 4. Acknowledgments are cumulative. Assuming A is transmitting and B is r
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