Chapter 2
"Do I Know This Already?"
| 1. | B |
| 2. | C |
| 3. | A |
| 4. | B |
| 5. | A |
| 6. | C |
| 7. | C |
| 8. | A |
| 9. | C |
| 10. | C |
| 11. | D |
Q&A
| 1. | 181 = 1011 0101
202 = 1100 1010 152 = 1001 1000 109 = 0110 1101 |
| 2. | 10101111 = 175
10000001 = 129 00111100 = 60 01001001 = 73 |
| 3. | 1100 0000 . 1010 1000 . 0000 0000 . 0000 0001 |
| 4. | 12.150.146.181 is Class A, 150.159.216.202 is Class B, 209.209.158.152 is Class C, and 224.137.116.109 is Class D (Multicast) |
| 5. | A (255.0.0.0), B (255.255.0.0), C (255.255.255.0) |
| 6. | /24 includes 32–24 = 8 host bits. 28–2 = 254 host addresses.
/27 has 5 host bits, for 30 host addresses /20 has 12 host bits, or 4094 host addresses. |
| 7. | 24.177.78.62/27 includes 24.177.78.33–63
135.159.211.109/19 includes 135.159.192.1–135.159.223.254 207.87.193.1/30 includes 207.87.193.1 and 2. |
| 8. | 192.168.160.0/21 |
| 9. | 172.30.31.0/24, 172.30.32.0/22, 172.30.36.0/23, 172.30.38.0/24 |
| 10. | Answer:
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