An analog POTS voice line is no longer working and Kim, the technician, is tasked to verify if a dial tone is present at the IDF. Which of the following tools would be used?

What type of device should you install as a decoy to lure potential attackers?

A. honeypot B. Trojan C. IPS D. VPN

Which of the following data structures uses a sentinel?

a. binary heap b. hash table c. queue d. stack e. none of the above use sentinels