Q 1: | A break in the working of a system is called |
(1) | Defect |
(2) | Failure |
(3) | Fault |
(4) | Error |
Correct Answer: Failure | |
Q 2: | The set of instructions for how to tie a bow is an example of the structure |
(1) | Repetition |
(2) | Selection |
(3) | Sequence |
(4) | Control |
Correct Answer: Sequence | |
Q 3: | Verification is |
(1) | Checking that we are building the right system |
(2) | Checking that we are building the system right |
(3) | Performed by an independent test team |
(4) | Making sure that it is what the user really wants. |
Correct Answer: Checking that we are building the system right | |
Q 4: | VCIs in frame relay are called......... |
(1) | PVC |
(2) | SVC |
(3) | DLCIs |
(4) | None |
Correct Answer: DLCIs | |
Q 5: | Which of the following IP address is valid to be assigned to a host? |
(1) | 192.248.16.255 |
(2) | 127.0.0.1 |
(3) | 25.5.25.55 |
(4) | 150.7.0.0 |
Correct Answer: 25.5.25.55 | |
Q 6: | How many hosts are attached to each of the local area networks at your site? |
(1) | 128 |
(2) | 254 |
(3) | 64 |
(4) | 256 |
Correct Answer: 254 | |
Q 7: | Choose the correct statement |
(1) | Relational algebra and relational calculus are both procedural query languages. |
(2) | Relational algebra and relational calculus are both non-procedural query languages |
(3) | Relational algebra is a procedural query language and relational calculus is a non-procedural query language |
(4) | Relational algebra is a non-procedural query language and relational calculus is a procedural query language |
Correct Answer: Relational algebra is a procedural query language and relational calculus is a non-procedural query language | |
Q 8: | In stop-and wait ARQ, for 20 data packets sent, how many acknowledgements are needed? |
(1) | 20 |
(2) | 21 |
(3) | 19 |
(4) | 18 |
Correct Answer: 20 | |
Q 9: | A named set of SQL statements that are considered when a data modification occurs are called |
(1) | Stored procedures |
(2) | Triggers |
(3) | Packages |
(4) | Trapdoors |
Correct Answer: Triggers | |
Q 10: | Which of the following is not a data definition language statement? |
(1) | CREATE |
(2) | ALTER |
(3) | DROP |
(4) | SELECT |
Correct Answer: SELECT | |