An engineer must create data link redundancy for the company's Cisco Wireless LAN controller. The engineer has decided to configure LAG-based redundancy instead of port-based redundancy. Which three features of LAG-based redundancy influenced this decision? (Choose three.)

An engineer is designing a wireless network to support nigh availability. The network will need to support the total number of APs and client SSO. Live services should continue to work without interruption during the failover.
Which two requirements need to be incorporated into the design to meet these needs? (Choose two)

An enterprise has moved most services to the cloud, including email applications and real-time communication.
Which feature must be enabled on the wireless network to improve the user experience?

An AP is receiving 802.11 packets on its 802.11a radio with an RSSI value of -77 dBm. The current AP is part of an AP group that has been assigned an RF profile with RX-SOP set to Medium for 802.11 a. Which action does the AP take with the packets?

An engineer must perform a Layer 2 survey for a mining facility. Which type of antenna does the engineer use in the mine shaft?