| Q 1: | Which of these field declarations are legal within the body of an interface? |
| (1) | Private final static int answer = 42 |
| (2) | public static int answer-42 |
| (3) | ) final static answer =42 |
| (4) | int answer |
| Correct Answer: public static int answer-42 | |
| Q 2: | ...............helps to classify arguments and situations, better understand a cyber-crime and helps to determine appropriate actions. |
| (1) | Cyber-ethics |
| (2) | Social ethics |
| (3) | Cyber-bullying |
| (4) | Corporate behaviour |
| Correct Answer: Cyber-ethics | |
| Q 3: |
A packet with all flags set is which type of scan? |
| (1) | Full Open |
| (2) | XMAS |
| (3) | TCP connect |
| (4) | Syn scan |
| Correct Answer: XMAS | |
| Q 4: |
Which of the following clause in SQL ROLLBACK statement roll back only the specified transaction? |
| (1) | FORCE |
| (2) | WORK |
| (3) | COMMIT |
| (4) | SAVEPOINT |
| Correct Answer: WORK | |
| Q 5: |
The following functional dependencies are given : AB->CD AF->D, DE->F, C->G, F->E, G->A Which one of the following options is false? |
| (1) | CF+= (ACDEFG) |
| (2) | BG+= (ABCDG) |
| (3) | AF+ (ACDEFG) |
| (4) | None of the above |
| Correct Answer: AF+ (ACDEFG) | |
| Q 6: |
Which of these can be used to fully abstract a class from its implementation? |
| (1) | Packages |
| (2) | Objects |
| (3) | Interfaces |
| (4) | None of the above |
| Correct Answer: Interfaces | |
| Q 7: |
How many types of polymorphisms are supported by C++? |
| (1) | 1 |
| (2) | 2 |
| (3) | 3 |
| (4) | 4 |
| Correct Answer: 2 | |
| Q 8: |
Which one is not infrastructure software ? |
| (1) | Operating system |
| (2) | Database management system |
| (3) | Compilers |
| (4) | Result management system |
| Correct Answer: Result management system | |
| Q 9: |
In the digital signature technique when the whole message is signed using an asymmetric key, the receiver of the message uses signature. to verify the |
| (1) | her or his own public key |
| (2) | her or his own private key |
| (3) | the sender's public key |
| (4) | None of the above |
| Correct Answer: the sender's public key | |
| Q 10: |
Why is Frame Relay's throughput lower than that of ATM? |
| (1) | Frame Relaying have error control (ARQ) functionality but not ATM. |
| (2) | ATM does not need to have CRC checking/ generation or bit stuffing's functionality in the packets as in Frame Relay. |
| (3) | Frame Relaying needs to do multiplexing of logical channels but not ATM |
| (4) | Although both Frame relay and ATM have frame boundary recognition (flags), ATM doesn't have bit stuffing as in frame Relaying |
| Correct Answer: ATM does not need to have CRC checking/ generation or bit stuffing's functionality in the packets as in Frame Relay. | |