Answer:
OC
Explanation:
I am not so sure about this though as I am not familiar with a webmail service. I hope this helped. Sorry, if it wasn't much of an help though
In the lab, Wireshark continued to capture data in the background until the capture process was manually stopped later in the lab.
Wireshark is a packet analysis tools, it gets the information for traffic passing through a specific network node.
You're writing code in 2018 ... a lot of code editors and IDEs have linting built-in, smart autocomplete functionality, etc.
Given the fact that xhtml has mandatory rules, you just need a code editor/plug-in that has strict guidelines for code completion/error handling regarding xhtml ... use VScode editor (you'll definitely find a linting plug-in for html/xhtml linting).