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DNS in the Internet
-Domain name space is split into three sections: country, generic and inverse
-Generic domains define hosts by generic behavior
-Country domains are also used to identify national designations
-Inverse domain is utilized to map an address to a name (address-to-name resolution)
Firewalls Firewalls emerged as a new technology in 1990s but its idea was present near two decades back. Historical context of "Firewall" is quite literal. It was in use to des
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
Application Layer The application layer provides an interface between application entities and the users computer. This layer offers services to a variety of aspects of d
Can you define the concept of BGP confederations?
Assume that a user wants to download from a server a web page that references 3 objects. The base page and each of the objects are of the same size that requires 20 ms transmission
Geo stationary satellite The satellite which is known as earth-orbiting satellite is called geo stationary satellite. The geo stationary satellite is placed directly over the e
Single Program Multiple Date A common style of writing data parallel programs for MIMD computers is SPMD (single program, multiple data): all the processors implement the same
What is the Network Layer of the OSI responsible for? Ans) The Network Layer routes data from single node to another sends data from the source network to the destination networ
CONNECTION-ORIENTED: Accounting is simpler. Application can learn of network causes immediately. CONNECTIONLESS: It has fewer load. It is easier to cre
What are local variables? Local varaiables are those which are declared within a block of code like methods. Local variables should be initialised before accessing them.
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