Virtusa Placement Questions & Answers :: Virtusa

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Aggregation (encapsulation) relationships are represented in the UML notation by:


Anesting of classes

Blines with a solid diamond at one end

Clines with a hollow diamond at one end

Dlines with an arrow at one end

Elines without an arrow at either end

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Answer: Option C

Explanation:

lines with a hollow diamond at one end

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Choose the correct option.

A programmer is designing a class to encapsulate the information about an inventory item.
A JavaBeans component is needed to do this.
The InventoryItem class has private instance variables to store the item information :

private int itemId;

Which method signature follows the JavaBeans naming standards for modifying the itemId instance variable ?


AitemId(int itemId)

Bupdate(int itemId)

CsetItemId(int itemId)

DmutateItemId(int itemI

EupdateItemId(int itemId)

Answer: Option C

Explanation:

Here is no explanation for this answer

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Which of the following is true for Use case model?


AInclude use cases are mandatory, exclude use cases are optional

BExclude use cases are mandatory, include use cases are optional

CUse case model does not use any include or exclude use cases

DNone of the above

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Answer: Option A

Explanation:

Include use cases are mandatory, exclude use cases are optional

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Which of the following are the valid relationships in Use Case Diagram


AGeneralization

BInclude

CExtend

DAll of the mentioned

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Answer: Option D

Explanation:

All of the mentioned

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Choose the correct option.

Which of the following is the original purpose of SQL?


ATo specify the syntax and semantics of SQL data definition language

BTo specify the syntax and semantics of SQL manipulation language

CTo define the data structures

DAll of the above.

Answer: Option D

Explanation:

All of the above.

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Choose the correct option.

The wildcard in a WHERE clause is useful when?


AAn exact match is necessary in a SELECT statement.

BAn exact match is not possible in a SELECT statement.

CAn exact match is necessary in a CREATE statement.

DAn exact match is not possible in a CREATE statement.

Answer: Option B

Explanation:

Wildcards are basically for pattern matching.
Select * from emp where ename like = 'A%'; - Lists all emps with starting
Likewise % (For ignoring any number of characters) and _(Only one character).

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Choose the correct option.

A view is which of the following?


AA virtual table that can be accessed via SQL commands

BA virtual table that cannot be accessed via SQL commands

CA base table that can be accessed via SQL commands

DA base table that cannot be accessed via SQL commands

Answer: Option A

Explanation:

A view is a virtual table always created on a table, that does not hold any data, rather on every select the data is been fetched from the base table.
All operations on view (Only DMLs) will be reflecting on the base table. Only DML operations are allowed on Views.

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In the UML notation a class can be represented by :


AA rectangular box with the name of the class in the box

BA rectangular box with the name of the object, a : and the class name that the object belongs to

CA rectangular box with the class name prefixed by the word "class"

DA thin vertical line with key method calls shown as outward arrows

EA rectangular box with an inserted dashed box on the top right corner.

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Answer: Option A

Explanation:

A rectangular box with the name of the class in the box

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select ID, GPA from student grades order by GPA______. In order to give only 10 rank on the whole we should use:


ALimit 10

BUpto 10

COnly 10

DMax 10

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Answer: Option B

Explanation:

Upto 10

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ITG stands for


Ainstantaneous test group

Bintegration testing group

Cindividual testing group

Dindependent test group

Answer: Option D

Explanation:

The role of an independent test group (ITG) is to remove the inherent problems associated with letting the builder test the thing that has been built.

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Here is the list of questions asked in Virtusa Aptitude Test Question with Answers Virtusa Mock Test page 4. Practice Virtusa Written Test Papers with Solutions and take Q4Interview Virtusa Online Test Questions to crack Virtusa written round test. Overall the level of the Virtusa Online Assessment Test is moderate. Only those candidates who clear the written exam will qualify for the next round, so practic all the questions here and take all the free tests before going for final selection process of Virtusa