Refer to the exhibit. The trunk between Gig1/0/1 of switch SW2 and Gig1/0/1 of switch SW1 is not operational. Which action resolves this issue?

Refer to the Exhibit. An engineer is installing a new pair of routers in a redundant configuration.
When checking on the standby status of each router the engineer notices that the routers are not functioning as expected. Which action will resolve the configuration error?

Refer to the exhibit. What is the purpose of the configuration?

Which two authentication mechanisms are supported by SNMPv3 ?(Choose two)

Which QoS feature uses the IP Precedence bits in the ToS field of the IP packet header to partition traffic into different priority levels?