Q 1: | What is the highest form of the following relation assuming it already in 1 NF |
(1) | 2 NF |
(2) | 3 NF |
(3) | BCNF |
(4) | None |
Correct Answer: 2 NF | |
Q 2: | SET concept is used in |
(1) | Network Model |
(2) | Hierachical Model |
(3) | Relational Model |
(4) | None |
Correct Answer: Network Model | |
Q 3: | ORACLE supports |
(1) | Inner join, outer join and semi join only |
(2) | Outer join and semi join only |
(3) | Inner join and outer join only |
(4) | Inner join, outer join, semi join and anti join |
Correct Answer: Inner join, outer join, semi join and anti join | |
Q 4: | .......... command is used to remove a relation from an SQL database |
(1) | update table |
(2) | Remove table |
(3) | Delete table |
(4) | Drop table |
Correct Answer: Drop table | |
Q 5: | The four byte IP address consists of |
(1) | Neither network nor Host Address |
(2) | Network Address |
(3) | Both Network and Host Address |
(4) | Host Address |
Correct Answer: Both Network and Host Address | |
Q 6: | To verify a digital signature, we need the......... |
(1) | Sender's private key |
(2) | Sender's public key |
(3) | Receiver's private key |
(4) | Receiver's public key |
Correct Answer: Sender's public key | |
Q 7: | In.............. error correction, the receiver corrects errors without requesting retransmission. |
(1) | backward |
(2) | onward |
(3) | forward |
(4) | none |
Correct Answer: forward | |
Q 8: | A two-layer switch is a |
(1) | repeater |
(2) | bridge |
(3) | router |
(4) | none |
Correct Answer: bridge | |
Q 9: | Find odd one |
(1) | K-means |
(2) | Hierarchical |
(3) | Partitional |
(4) | Splitting |
Correct Answer: Splitting | |
Q 10: | Tool used to compile java code is |
(1) | java |
(2) | javac |
(3) | jar |
(4) | javadoc |
Correct Answer: javac | |