| Q 1: | Which is not a fundamental operation in the relational algebra? |
| (1) | natural join |
| (2) | cartesian product |
| (3) | set difference |
| (4) | rename |
| Correct Answer: natural join | |
| Q 2: | A DBMS maintains information about the data in a special set of relations called |
| (1) | The Catalog |
| (2) | The system Catalog |
| (3) | The data dictionary |
| (4) | All of the above |
| Correct Answer: All of the above | |
| Q 3: | The execution sequences in concurrency control are termed as.......... |
| (1) | Time tables |
| (2) | Schedules |
| (3) | Organizations |
| (4) | Serials |
| Correct Answer: Schedules | |
| Q 4: | Which one of the following uses UDP as the transport protocol? |
| (1) | HTTP |
| (2) | SMTP |
| (3) | Telnet |
| (4) | DNS |
| Correct Answer: DNS | |
| Q 5: | ISDN stands for |
| (1) | Internet DIgital Service Network |
| (2) | Integrated Service Digital Network |
| (3) | Integrated System Digital Network |
| (4) | Integrated Service Digital Naming |
| Correct Answer: Integrated Service Digital Network | |
| Q 6: | Packet sniffers involve |
| (1) | Active receiver |
| (2) | Passive receiver |
| (3) | Both |
| (4) | None of the above |
| Correct Answer: Passive receiver | |
| Q 7: | The normal speed of Ethernet is |
| (1) | 64 kbps |
| (2) | 64 Mbps |
| (3) | 10 kbps |
| (4) | 10 Mbps |
| Correct Answer: 10 Mbps | |
| Q 8: | How many characters does the hardware address contain? |
| (1) | 12 hexadecimal characters |
| (2) | 32 hexadecimal characters |
| (3) | 16 hexadecimal characters |
| (4) | 64 hexadecimal characters |
| Correct Answer: 12 hexadecimal characters | |
| Q 9: | RIP is |
| (1) | Protocol used for transmission of IP datagrams across a serial line |
| (2) | Resource information protocol |
| (3) | Protocol used to exchange information between the routers |
| (4) | Protocol used to exchange information between the layers |
| Correct Answer: Protocol used to exchange information between the routers | |
| Q 10: | Data from a computer are...............: the local loop handles....... signals |
| (1) | analog; analog |
| (2) | analog; digital |
| (3) | digital; digital |
| (4) | digital ; analog |
| Correct Answer: digital ; analog | |