What is a network appliance that checks the state of a packet to determine whether the packet is legitimate?

Drag and drop the functions from the left onto the correct network components on the right

Refer to the exhibit.

An engineer booted a new switch and applied this configuration via the console port. Which additional configuration must be applied to allow administrators to authenticate directly to enable privilege mode via Telnet using a local username and password?

Refer to the exhibit.

A company is configuring a failover plan and must implement the default routes in such a way that a floating static route will assume traffic forwarding when the primary link goes down. Which primary route configuration must be used?

Refer to the exhibit.

What is the next hop for traffic entering R1 with a destination of 10.1.2 126?