After the network has converged, what type of messaging, if any, occurs between R3 and R4?

OSPF is configured using default classful addressing. With all routers and interfaces operational, how many networks will be in the routing table of R1 that are
indicated to be learned by OSPF?

Refer to the exhibit.

Hosts in network 192.168.2.0 are unable to reach hosts in network 192.168.3.0. Based on the output from RouterA, what are two possible reasons for the failure?
(Choose two.)

Refer to the exhibit.

Assuming that the entire network topology is shown, what is the operational status of the interfaces of R2 as indicated by the command output shown?

What are three reasons to collect Netflow data on a company network? (Choose three.)

What Netflow component can be applied to an interface to track IPv4 traffic?

What is a valid HSRP virtual MAC address?

Which of these represents an IPv6 link-local address?

The network administrator has been asked to give reasons for moving from IPv4 to IPv6. What are two valid reasons for adopting IPv6 over IPv4? (Choose two.)

A network administrator needs to configure port security on a switch. Which two statements are true? (Choose two.)