1. What is the significance of an IP address?
An Internet Protocol address (IP address) is a numerical label doled out to every device (e.g. PC, printer etc.) that is a part of a network that makes use of the Internet Protocol to communicate. An IP address facilitates two major functions: a host or network interface ID and location tending to.
2. What do you mean by a null object?
A null object is an object of some class whose aim is to denote that an actual object of that class does not exist. One basic use for a null object is a return value from a member function that should return an object with some predefined properties however can’t discover such an object.
3. Explain the term Stack unwinding?
It happens to be a process amid exception handling when the destructor is called for every single local object between the place where the exception was thrown and the place where it is caught.
4. When do you make use of a SQL Profiler?
The SQL Profiler utility enables us to fundamentally track connections with the SQL Server and furthermore state activities such as which SQL Scripts are running, failed jobs and so forth..
5. Enlist the steps involved in designing?
The steps involved in designing comprise of the following:
– Project plan, Requirements, Design, Coding, Testing, Re-coding and design, development and maintenance.
6. What do you mean by a program counter?
A Program counter holds the address of either the first byte of the following instruction to be fetched for execution or the address of the following byte of a multi byte instruction, which has not been totally fetched. In either of the cases it gets increased automatically one by one as the instruction bytes are fetched. Additionally, the Program register saves the address of the following instruction.
7. Does XML happen to be case-sensitive?
XML is case sensitive when the lowercase and uppercase characters are dealt with in a different manner.
Attribute names, Element type names, Attribute values, All the general and parameter entity names, and text i.e. data content, happen to be case-sensitive.
Now that you are having the answers to these frequently asked questions, understand them and memorize them as a part of your interview preparation process.
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