- How many bits of a class A IP address are used for host information?
| a. 8 bits |
| b. 16 bits |
| c. 24 bits |
| d. 32 bits |
2. What is the formula for determining the number of possible hosts on a network?
| a. 2n = Y |
| b. 2h – 2 = Z |
| c. 2n – 2 = Y |
| d. 2h = Z |
3. Which of the following is not a good reason to segment a network?
| a. To limit access to broadcast domains |
| b. To narrow down the location of problems on a network |
| c. To reduce the demand on bandwidth |
| d. To increase the number of networking devices on a network |
4. What is the greatest number of bits you could borrow from the host portion of a class B subnet mask and still have at least 130 hosts per subnet?
| a. 8 bits |
| b. 0 bits |
| c. 9 bits |
| d. 10 bits |
5. What do well-chosen subnets accomplish?
| a. Network documentation is easier to manage. |
| b. IP address spaces overlap for easier management. |
| c. Routing efficiency is decreased by ensuring IP address spaces are not mathematically related. |
| d. Problems affect the entire network, making them more difficult to pin down. |
6. Which formulas can be used to calculate the magic number? Choose two.
| a. 256 – the interesting octet |
| b. 2h – 2 |
| c. 2n |
| d. 2h |
7. Which hexadecimal block in an IPv6 address is used for the Subnet ID?
| a. The third one |
| b. The eighth one |
| c. The first one |
| d. The fourth one |
8. Which assignment technique requires a RADIUS server?
| a. Dynamic IP address assignment |
| b. Dynamic VLAN assignment |
| c. Static IP address assignment |
| d. Static VLAN assignment |
9. Which port mode on a switch enables that port to manage traffic for multiple VLANs?
| a. Community |
| b. Access |
| c. Trunk |
| d. Private |
10. Which IEEE standard determines how VLANs work on a network?
| a. 802.11 |
| b. 802.3af |
| c. 802.1X |
| d. 802.1Q |
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