Which two PHY modes are available to implement an IOS XR Gigabit Ethernet interface?
(Choose two.)

Refer to the exhibit an engineer working for a private telecommunication company with an employee Id: 4065:96:080 upgrades the WAN link between routers ASBR-101 and ASBR-201 to
1Gb by Installing a new physical connection between the Gi3 Interfaces.
Which BGP attribute must the engineer configure on ASBR-201 so that the existing WAN link on Gi2 Is maintained as a backup?

A network team has failed to implement IS-IS multitopology. What is the reason for it?

An network engineer is deploying VRF on ASBR router R1. The interface must have connectivity over an MPLS VPN inter-AS Option AB network.
Which configuration must the engineer apply on the router to accomplish this task?

Refer To the exhibit. Which BGP attribute should be manipulated to have CE1 use PE1 as the primary path to the Internet?