(1.) Pg.71 second last paragraph word rest should change to reset (i.e.: backup and do not reset the archive bit ). (2.) Pg.45 second paragraph . terminator should be 50 ohms not 5 ohms. (3.) Pg.52 At the middle page, you should state the advantage of STP , not UTP. (4.) Pg.77 , At the middle page, Item 1. Turn the notebook on and wait for the operating system to boot not book. (5.) Pg.89, Question 5, Answer a,b and c are incorrect , not b, c and d. (6.) Pg.96, first paragraph 4th line 0-128-21 are the IEEE assigned vendor number , not the vendor assigned number. (7.) Pg.187, At the middle page, Older SCSI cables uses 50Pin internal cables, and newer cables use 68 Pins instead of 80 pins, please advice . (8.) Pg. 94, confuse on your explanation of source route bridge on item 1 to item 5, please advice