
1) Computer network security
Found on
https://www.crosswordclues.com/clue/multibook

A Multibook or a TACLANE Multibook is a single laptop that combines two to three different classified networks into a single device solution. Currently, most secure computing standards require the federal government and military personnel to maintain multiple PCs on different networks in an effort to allow users simultaneous access to unclassified...
Found on
http://en.wikipedia.org/wiki/Multibook
No exact match found.