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Q. Define Name Space in domain name system?
- All names assigned to machines on an internet
- Must be unique; either flat or hierarchical
- Flat name space - name is assigned to an address; no structure
- Hierarchical name space - made of several parts; each succeeding part is more specific; central authority assigns part that defines the nature of the organization and the name.
What is a Java package and how is it used? A Java package is a naming context for classes and interfaces. A package is used to make a separate name space for groups of classes
explain layered protocol architecture
What is Bookmark A list of pages a user likes to frequently visit. Netscape® Navigator and Explorer® have a "bookmark" menu item which allows users to add favourite sites vi
Threats to information can include Deletion of a file or files. Corruption, caused either by hardware problems or by a bug in the software. Theft of company data
What are the important topologies for networks? BUS topology: In this every computer is directly linked to primary network cable in a single line. Advantages: Inexpensive,
In link-state routing network topology is filled from route calculation. Switches send link-state information about local joins. Every switch creates own routing tables. It needs
How is final different from finally and finalize ()? Final is a modifier which can be applied to a class or a method or a variable. final class can't be inherited, final method
Fat tree: It is a customized version of tree network. In this network bandwidth of edge (or connecting wire between nodes) increases in the direction of root. It's a more realisti
Advantages of LS over DV algorithm There are a number of advantages to link state protocols especially when compared to the distance vector based routing protocols. The
Distance covered, Based on size, ownership and physical architecture - LAN (Local Area Network) - Suitable for smaller geographical area - MAN (Metropolitan Area Network) - S
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