MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Network Security knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A device that helps prevent congestion and data collisions |
| A. | Switch |
| B. | Hub |
| C. | Gateway |
| D. | Proxy Server |
| Answer» B. Hub | |
| 2. |
After performing bit stuffing on the following stream : 01101111111111111110010, the output is- |
| A. | 01101111101111101111100010 |
| B. | 01101111111111111110010111 |
| C. | 10010000000000000000001101 |
| D. | 01101111111111111111110010 |
| Answer» B. 01101111111111111110010111 | |
| 3. |
A slotted ALOHA network transmits 200-bit frames using a shared channel with a 200-kbps bandwidth. Find the throughput if the system (all stations together) produces 1000 frames per second. |
| A. | 92 frames |
| B. | 368 frames |
| C. | 276 frames |
| D. | 151 frames |
| Answer» C. 276 frames | |
| 4. |
Generate the CRC codeword for the data word 1101011011 using generator 10011. Also write both in the polynomial form. |
| A. | 11010110110011 |
| B. | 11010110110110 |
| C. | 11010110111100 |
| D. | 11010110111110 |
| Answer» E. | |
| 5. |
A packet has arrived in which the offset value is 100, the value of HLEN is 5 and the value of the total length field is 100. What is the number of the last byte |
| A. | 880 |
| B. | 879 |
| C. | 881 |
| D. | 801 |
| Answer» C. 881 | |
| 6. |
Convert the following binary notation to hexadecimal notation 10000000 00001011 00000011 00011111 |
| A. | 0x 80 0B 03 1E |
| B. | 0x 81 0B 04 1E |
| C. | 0x 80 0C 03 1F |
| D. | 0x 80 0B 03 1F |
| Answer» E. | |
| 7. |
Number of Blocks in class C are |
| A. | 2<sup>7</sup> |
| B. | 2<sup>8</sup> |
| C. | 2<sup>14</sup> |
| D. | 2<sup>9</sup> |
| Answer» B. 2<sup>8</sup> | |