Chapter 7: Introduction to TCP/IP

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. A. HTTP uses port 80. HTTPS uses 443, Telnet 23, and POP3 110.

4. D. An IPv6 interface is not limited in the number of addresses it can be assigned, although there could be limitations based ...

Get CompTIA A+ Complete Deluxe Study Guide Recommended Courseware: Exams 220-801 and 220-802, 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.