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Q. Resolution of domain name system?
- Mapping a name to an address or else an address to a name
- Resolver is a DNS client used by an address to provide mapping
- In recursive resolution, the client sends its request to a server that eventually returns a response
- In iterative resolution the client may perhaps send its request to multiple servers
- Caching may be used to store information in memory to speed up resolution
To use a subnet or classless address, table under routers and hosts that have address must keep two pieces of information with every address: the 32-bit address itself and another
State about the Packet filter firewalls They remain the most common type of firewall in use as of today. They were the earliest firewalls developed and were capable of permitt
Q. Error Detection-General? Sender transmits every data unit twice Receiver performs bit-by-bit comparison between those two versions of data. Any mismatch would
Explain the terms - LAN extension and Ad hoc network LAN extension: a wireless LAN integrated with a wired LAN to extend the coverage area of the LAN complex; Cross-building
The purpose of internetworking is universal service across heterogeneous networks. To give this service all computers, and routers have to agree to forward information from a sourc
Q. Describe Differential Manchester? - Inversion at middle of bit interval is utilized for synchronization - Presence or else absence of additional transition at beginning o
Problem 1 Bring out the differences between POP and IMAP4 Problem 2 Discuss User Datagram protocol Problem 3 Explain the various steps in TCP congestion control
Why do we require class and how many different parts of class exists?
Future of the intranet At present, the world of information technology is guided bythe C 3 paradigm that stands for Command, Control and Communication, which is normally
Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati
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