9. while on a break outside the office, a coworker told a colleague he had forgotten his badge inside the office. He then proceeded to ask his colleague to allow him to follow them to go back inside. Which of the following does this describe?

spear phishing, whaling, mantrap, tailgating.

10. Which of the following is typically an unintentional consumption of memory?

forgetfulness, memory loss, dementia, memory leak.

11. which TCP/IP layer relates to OSI's transport layer?

application, host-to-host, internet, network.

12.which of the following is not one of the three main types of social engineering attacks

phishing, spear phishing, shark phishing, whaling

13. which of the following is an multi-purpose intermediary system that typically sits between a user and a content provider and provides caching, filtering, and other functionality?

transparent proxy, VPN, router, load balancer