10.7. Answers to Review Questions

  1. B. A Dynamic Host Configuration Protocol (DHCP) server provides IP configuration information to hosts when they join the network. A Domain Name System (DNS) server resolves hostnames to IP addresses. A domain controller may provide login authentication, but it does not provide IP configuration information. There is no IP configuration server.

  2. B. Class A addresses have a first octet between 1 and 126, Class B between 128 and 191, and class C between 192 and 223. With a first octet of 171, this is a Class B address.

  3. D. Companies that want to ensure the safety and integrity of their data should use fiber-optic cable, because it cannot be affected by electromagnetic or radio-frequency interference. Even though some ...

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