What is a valid router ID configuration for OSPFv3 in the Junos OS?

A Layer 2 forwarding loop occurred on your network during a scheduled maintenance period. You
must prevent this behavior in the future.
Which protocol should you enable on the EX Series switch to address this condition in the future?
(Choose two.)

Refer to the Exhibit.

Based on the output in the exhibit, which two statements are true? (Choose two.)

In MSTP, which two factors determine the root bridge in each region? (Choose two.)

Refer to the Exhibit.

In the exhibit, the data center is using VSTP. The data center network is experiencing outages due
to spanning tree instabilities between the recently installed virtual switches and the data center
Layer 2 domain.
Which action resolves the spanning tree instabilities without impacting connectivity?

Refer to the Exhibit.

Referring to the exhibit, what is the correct RPF path toward the multicast source from R6?

Which two actions can be performed when traffic is exceeding a policer rate? (Choose two.)

Refer to the Exhibit.

The configuration in the exhibit shows incoming traffic with specific IP precedence bits that should
be mapped to a forwarding class named best-effort.
What must you add to complete this configuration?

Refer to the Exhibit.

You are configuring an EBGP peer in a transit environment. You must advertise routes learned
from other EBGP peers in your AS. Any routes originated from within your AS should have a MED
of 7000 set. Any routes that originate in AS65222 should be prepended four times. Any routes that
transit AS701 should have a MED set to 6. This scenario results in the unintended advertisement
of internal 10.0.0.0/8 networks to your peer.
What caused the accidental advertisement of internal networks to your EBGP peer?

Which option is a valid IPv6 multicast address?