Final answer:
Packet sniffing or packet analysis is the term used for reviewing packet contents in networking. This skill is important for network professionals for monitoring security, troubleshooting, and analyzing traffic.
Step-by-step explanation:
The term you're looking for, which is used when reviewing packet contents in networking, is packet sniffing or packet analysis. This process involves capturing data packets that are transmitted over a network in order to inspect their content for various purposes such as security monitoring, troubleshooting network problems, or analyzing network traffic. It's an important skill for network professionals and is used in various networking tasks to ensure secure and efficient network communication. Networking cards may help in making connections and standing out in the job market, but practical skills like packet analysis are essential in the field of network engineering and cybersecurity.