Question65:-For which one of the following reasons does Intemnet Protocol(IP) use the time-to-live(TTL) field in the IP
datagram header?
A:-Ensure packets reach destination within that time
B:-Discard packets that reach later than that time
C:-Prevent packets from looping indefinitely
D:-Limit the time for which a packet gets queued in intermediate routers
Correct Answer:- Option-C
Question66:-The transport layer protocols used for real time multimedia, file transfer, DNS and email, respectively are
A:-TCP, UDP, UDP and TCP
B:-UDP, TCP. TCP and UDP
C:-UDP, TCP. UDP and TCP
D:-TCP, UDP, TCP and UDP
Correct Answer:- Option-C
Question67:-The normal form that is considered adequate for relational database design is
A:-2NF
B:-3NF
C:-4NF
D:-BCNF
Correct Answer:- Option-B
Question68:-Result of compilation of DDL statement is stored in a special file called as
A:-database file
B:-symbol table
C:-database schema file
D:-data dictionary
Correct Answer:- Option-D
Question69:-The number of entities ‏ما‎ which another entity can be associated via a relationship set is called
A:-Messaging Cardinality
B:-Logical Cardinality
C:-Mapping Cardinality
D:-Data Cardinality
Correct Answer:- Option-C
Question70:-The network topology that supports bidirectional links between each possible node is
A:-Ring
B:-Star
C:-Tree
D:-Mesh
Correct Answer:- Option-D
Question71:-Which of the following UML diagram has a static view
A:-Collaboration
B:-Use case
C:-State-chart
D:-Activity
Correct Answer:- Option-B
Question72:-What is the goal of the requirements analysis and specifications phase of the software development life cycle?
A:-Understanding the customer requirements and organize them in an informal document
B:-Determining the scope of the software
C:-Analyzing the cost of the development
D:-none of the above
Correct Answer:- Option-A
Question73:-Which diagram in UML shows a complete or a partial view of the structure of a modeled system at a specific
time
A:-Sequence diagram
B:-Collaboration diagram
C:-Class diagram
D:-Object diagram
Correct Answer:- Option-D
Question74:-SRS document is called a black box specification of a system because
A:-It does not contain the contradictory material
B:-It does not contain the user document