Interview Questions

Q:

What documents are used for use cases?

Answer

There are 2 documents: 


FRD (functional requirement document) 


SDD (system design document) which can also be called TRS (Technical requirements specifications) 

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Q:

Explain the difference among the EXEC LINK, EXEC XCTL and Cobol II static call statements in CICS?

Answer

- Use a COBOL II CALL statement to invoke a subprogram. This method is transparent to CICS, which sees only the one load module. 


- EXEC LINK is similar to a call; it invokes a separate CICS program and ends with a RETURN to the invoking program


- EXEC XCTL which transfers control to another CICS program and does not get control 


back. 


COBOL II allows for static calls which are more efficient than the LINK instruction which establishes a new run-unit. 

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Q:

What is the Routing Information Protocol or RIP?

Answer

RIP is a is an interior gateway protocol that was often used in interior networks and in some degree in internet networks. It helps the router adapt to the modifications that are made in a network regarding connections. Now it become less used since more efficient protocols were implemented like OSPF or IS-IS. It is limited to a lower number of routers, a maximum of fifteen router.

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Q:

How do you insert a record with a nullable column?

Answer

To insert a NULL, move -1 to the null indicator


To insert a valid value, move 0 to the null indicator


 

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Q:

If the variable $a is equal to 5 and variable $b is equal to character a, what’s the value of $$b?

Answer 100, it’s a reference to existing variable.
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Subject: PHP

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Q:

What is IUnknown and what are its three parts?

Answer

IUnknown as an interface of a COM object. Every COM object has to support IUnknown, besides optionally adding other interfaces.


IUnknown is made of QueryInterface, AddRef and Release.

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Q:

What is XML Namespace?

Answer

An XSL sheet or a document may have duplicate elements and attributes. Therefore, the XML namespaces define a way to distinguish between duplicate element types and attribute names.


An XML namespace is a collection of element type and attribute names. It is a URI due to which any element type or attribute name in an XML namespace can be uniquely identified. 


It consists of two parts : the name of the XML namespace and the local name.


e.g.: xmlns: h=”https://www.abc.com”


After this, you can write


<h:table>


……..


</h:table>


to associate the table with the declared namespace. 

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Subject: Web Technology

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Q:

What Are Your Goals?

Answer

Sometimes it's best to talk about short-term and intermediate goals rather than locking yourself into the distant future. For example, "My immediate goal is to get a job in a growth-oriented company. My long-term goal will depend on where the company goes. I hope to eventually grow into a position of responsibility."

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