p. 117, question 5, answer A, should read: 1000BaseSX uses the LC connector.
p. 118, question 5, correct answer should read: A. 1000BaseSX uses the LC connector; 100BaseFX uses ST or SC connectors.
p. 141, missing content. Access involves two different issues: stopping unauthorized people from accessing the telecommunications room and enabling authorized people to get in for maintenance and troubleshooting.
p. 192, Figure 7-27. Three instances in the image that refer to Computer B should be Computer C. Those are in the top word bubble, the middle bubble, and the label on the computer, bottom right.
p. 194, the number of hosts possible for a Class A address is 16,777,214, not 16,277,214. (This occurs once in the table and once in the paragraph below the Exam Tip.)
p. 199, last paragraph, fourth sentence, should read 22=4.
p. 200, first line should read as follows: Figure 7-34 shows the first four available host IDs for each of the four new network IDs.
p. 228; four instances of value “1” for metrics in the explanations on this page should be “281” to match the IPv4 Route Table on page 226. Click PDF of page to see changes in red.
p. 232, Figure 8-14, the IP addresses for the PAT Router are reversed. Its internal/LAN IP should be 192.168.1.1; its WAN IP address should be 220.127.116.11.
p. 245, second paragraph, second sentence, protocol should be singular: dynamic routing protocol.
p. 262, second paragraph, last sentence should read summary, not summery.
p. 302, question explanation 8: Current passive FTP only uses port 21, not port 20.
p. 441, question 1, answer A should read: 2001:bead:beef::1
p. 517, first paragraph, fourth sentence should read thick clients, not think clients.
p. 537, Exam Tip: throughput speeds should be Mbps, not Gbps.
p. 570, third sentence under “Platform as a Service” should read just a programmer, not a just programmer.
p. 600, question 6, answer D should be ISDN, not H.323.
p. 605, first paragraph, first and fifth sentences should read policies, not polices.