... the USA. Cisco, Cisco IOS, Cisco Systems, and the Cisco Systems logo are registered trademarks of Cisco Systems, Inc. or its affiliates in the U. S. and certain other countries. All other brands, ... passwords. Many users choose easily remembered numbers or words as passwords, such as birthdays, phone numbers, or pets’ names, and others never change their passwords and are not very careful ... about keeping them secret. The golden rules, or policies, for passwords are:• Change passwords regularly• Make passwords as meaningless as possible• Never divulge passwords to anyone until...