Refer to the exhibit.
Exhibit 1

Exhibit 2

b
The HP Intelligent Resilient Framework (IRF) virtual devices shown in the Exhibit 1 support traffic for servers in
VLAN 2-10. To enhance resiliency, the network administrator configures MAD on both IRF virtual switches. The
administrator has established the settings shown in the exhibit 2. The configuration has an issue.
How can the administrator correct the issue?

A.
Activate the Bidirectional Forwarding Detection (BFD) MAD 1 on IRF 1 and IRF 2.

B.
Exclude the ports in BAGG 1 from MAD on IRF 1 and IRF 2.

C.
Change the domain ID on IRF 2 to a unique ID.

D.
Enable extended Link Layer Control Protocol Data Units (LACPDUs) on IRF 1 and IRF 2.

Explanation:
Incorrect:
Not A: This is not a BFD MAD issue.Check : http://www.certificationexplorer.com/Documents/HP0-Y47.pdf
http://abouthpnetworking.com/2014/02/01/comware7-irf-mad-lacp-new-selection-method/
http://abouthpnetworking.com/2014/11/08/provision-support-for-irf-mad-lacp-split-brain-detection/
http://h20565.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c02648772