Which of the following ports must be enabled on firewalls and other network security devices to permit L2TP-encrypted traffic through?

What type of attack involves the attacker placing themselves in the middle of the communication path between the intended victims?

A security analyst receives alerts about an internal system sending a large amount of unusual DNS queries to systems on the internet over short periods of time during non-business hours. Which of the following is most likely occurring?

Your manager is interested in implementing a strong authentication scheme. Which of the following is considered the strongest authentication?

Your company uses a number of different types of mobile devices such as laptops, smart phones, and tablets. Your manager is concerned about a malicious app being installed on the devices and the devices being stolen. What solution would you recommend to better manage and monitor the mobile devices?