Which of the following protocols are classified as connectionless? (Select TWO)

A network administrator received a ticket about intermittent poor performance of a manufacturing device. The engineer who submitted the ticket states the issue occurs when the device is sending or receiving larger volumes of network traffic. The physical copper path between the device and the switch tests successfully. Which of the following should the network administrator do NEXT?

A network technician notices the site-to-site VPN and Internet connection have not come back up at a branch office after a recent power outage. Which of the following is an out-of-band method the technician would MOST likely utilize to check the branch office's router status?

Which of the following defines when Pete, an attacker, attempts to monitor wireless traffic in order to perform malicious activities?

To replace a defective UPS, the network administrator must take the switch offline. The administrator wants to be able to perform maintenance UPS in the future without affecting the availability of the attached switch.
Which of the following would BEST allow this to happen?