| Q 1: | The.................. is a group of attributes used to identify a single entity instance. |
| (1) | Candidate key |
| (2) | Concatenated key |
| (3) | Alternate key |
| (4) | Primary key |
| Correct Answer: Concatenated key | |
| Q 2: | Which of the following is true for two-phase locking? |
| (1) | Lock acquisition is the second phase |
| (2) | Locks are acquired in the first phase |
| (3) | Locks can be acquired at any time |
| (4) | None of the above |
| Correct Answer: Locks are acquired in the first phase | |
| Q 3: | The persist timer is used in TCP to |
| (1) | To detect crashes from the other end of the connection |
| (2) | To timeout FIN_Wait1 condition |
| (3) | To enable retransmission |
| (4) | To avoid deadlock condition |
| Correct Answer: To avoid deadlock condition | |
| Q 4: | When a signal travels through a transmission medium, its power becomes 100 times. Then there would be power |
| (1) | Gain of 100 |
| (2) | Loss of 100 |
| (3) | Gain of 20 dB |
| (4) | Loss of 20 dB |
| Correct Answer: Gain of 20 dB | |
| Q 5: | In HTTP, ............... server is computer that keeps copies of responses to recent requests |
| (1) | a regular |
| (2) | a proxy |
| (3) | an auxiliary |
| (4) | a remote |
| Correct Answer: a proxy | |
| Q 6: | Design patterns are |
| (1) | Generic problems |
| (2) | Generic solutions to recurring problems |
| (3) | Both 1 and 2 |
| (4) | None of the above |
| Correct Answer: None of the above | |
| Q 7: | The full form of BPMN that is used for defining workflows? |
| (1) | Business Process Management Notation |
| (2) | Business Process Management Network |
| (3) | Business Process Modeling Notation |
| (4) | Business Process Modeling Network |
| Correct Answer: Business Process Modeling Notation | |
| Q 8: | What is loads and executes at client side in internet? |
| (1) | Object |
| (2) | Class |
| (3) | JSP |
| (4) | Applet |
| Correct Answer: Applet | |
| Q 9: | When base class is derived in protected mode, then..............
|
| (1) | 1,6 |
| (2) | 1,5 |
| (3) | 2,6 |
| (4) | 2,4 |
| Correct Answer: 2,4 | |
| Q 10: | What is the output of this program? class sample { private; int var; public; void input() { cout<<var; } void output() { cout<<"Variable entered is"; cout<<var<<"\n" } } void main() { sample object; object.input(); object.output(); object.var(); } |
| (1) | Runtime error |
| (2) | Varible entered is 5 |
| (3) | Error |
| (4) | None of the mentioned |
| Correct Answer: Error | |