Which type of malicious software can create a back-door into a device or network?

Posted by: Pdfprep Category: 210-260 Tags: 210-260 exam questions, 210-260 practice exam, CCNA Security Post Date: November 17, 2020

Which type of malicious software can create a back-door into a device or network?
A . worm
B . Trojan
C . virus
D . bot

Answer: B