Jennifer is using tcpdump to capture traffic on her network. She would like to save the capture for later review. What command can Jennifer use?

The CEH exam is a 125-question multiple-choice exam. Candidates have four hours to complete the CEH exam.
Common CEH exam topics covered include: hacking methodologies, scanning methodologies, port scan types, and expected return responses. 
Knowing how to work with tools such as Nmap, Wireshark, Snort, OpenSSL, Netstat, and Hping will be handy.