Errata

Errata for Head First Networking

Submit your own errata for this product.

The errata list is a list of errors and their corrections that were found after the product was released.

The following errata were submitted by our customers and have not yet been approved or disproved by the author or editor. They solely represent the opinion of the customer.

Color Key: Serious technical mistake Minor technical mistake Language or formatting error Typo Question Note Update

Version	Location	Description	Submitted by	Date submitted
PDF	Page 127 Exercise #1	The example states that the first bit is a 0 despite having a high voltage, then flips to 1 with a low voltage but why would it stay with a 1 when the voltage changes to a high? If a high voltage gives you a 0 in this example and a low voltage gives you a 1, then the rest of the example should follow suit! hence the third, fourth and fifth bits should be 0's, etc..... Otherwise I do not understand how the second and third bit can remain the same when the polarity is inverted!	Photog009	Jan 14, 2016
PDF	Page 215 In the box RELAX	In the RELAX box, the network address (192.168.100.1) is not really within the same network (192.168.0.0/16) as the node with ip (192.168.0.1)	Anonymous	Jan 14, 2020
PDF	Page 233 exercise	In the exercise, the addresses (192.168.100.1) and (204.62.201.12) are routable, like (10.52.1.18) with (172.17.0.3), they are in different subnets, because in the correction it is said that they are not ?	Anonymous	Jan 26, 2020
PDF	Page 274 2nd table, 7th row	As per previous errata, the "Packet Destination IP" column of the second table on page 274 was fixed to reflect the same table on the previous page. However, the answer for that row was not updated. It reads "192.168.1.2", and the correct answer for destination "192.168.6.176" is "192.168.3.1".	Anonymous	Feb 15, 2016