The show CDP neighbor command operates at the Data link layer (Layer 2)
Cisco Discovery Protocol (CDP) is a proprietary Data Link Layer protocol developed by Cisco Systems. It is used to share information about other directly connected Cisco equipment, such as the operating system version and IP address.
Answer:
A
Explanation:
The best action to take is to download and install the last good update; in that case, it will override the recent unstable update.
An update is not like a single program that can be add or remove from the control panel.
Yes it's the process of entering data into a database.
Answer:
C: Security
Explanation:
Communications and information systems principles need to be, among other things, secure. They need to be able to protect sensitive information from those who intentionally not need to know. Some incident information like voice, networks, and data, are very sensitive and thus, should be secure to the right levels and should comply with privacy laws and data protection.
