0:- 2790-17
Correct Answer:- Option-C
Question83:-How many elements will be there in the adjacency matrix if there are 8 vertices?
‏8ھ‎
‎8-6
‎C:-32
‎0-4
‎Correct Answer:- Option-D
Question84:-In a binary search tree, which of the following traversals print the numbers in ascending order?
A:-In-order traversal
B:-Pre-order traversal
C:-Post-order traversal
D:-Level-order traversal
Correct Answer:- Option-A
Question85:-Which among the following is a fault based testing technique?
A:-Unit testing
B:-Path testing
C:-Beta testing
D:-Mutation testing
Correct Answer:- Option-D
Question86:-Which maintenance results in modification in software to accommodate changes to its external environment?
A:-Adaptive maintenance
B:-Perfective maintenance
:-Corrective maintenance
D:-Preventive maintenance
Correct Answer:- Option-A
Question87:-Which of the following life cycle model can be chosen if the product to be developed has risks involved?
A:-RAD
B:-Waterfall
:-Spiral
D:-Iterative Model
Correct Answer:- Option-C

Question88:-What will be the cyclomatic complexity of a program if the control flow graph of the program has 9 edges and 7
nodes?

A:-3
-4
C:-5
D:-6
Correct Answer:- Option-B
Question89:-DBMS is a that enables user to create and maintain one or more databases.
A:-key
B:-file
C:-program
D:-dataset
Correct Answer:- Option-C

Question90:-The most efficient lock that allows concurrent transactions to access rows of the same table consistently is
known as

A:-Database - level lock

B:-Table - level lock

C:-Page - level lock

D:-Row - level lock

Correct Answer:- Option-D
Question91:-In order to maintain transactional integrity and database consistency, what technology does a DBMS deploy?

A:-Triggers

B:-Pointers

C:-Locks

D:-Cursors

Correct Answer:- Option-C

Question92:-What is the state of the database system, if there exists a set of transactions such that every transaction in the
set is waiting for another transaction in the same set to be completed?