HP Aruba Certified Design Professional (ACDP) V1 HPE6-A47 Question # 5 Topic 1 Discussion
HPE6-A47 Exam Topic 1 Question 5 Discussion:
Question #: 5
Topic #: 1
A customer requires high availability for wireless services, including stateful failover for user connections if the Mobility Controller (MC) that handles the user traffic fails. What is the requirement for the design?
A.
MCs are deployed in a cluster, and they are on the same VLAN
B.
MCs are distributed across each VLAN on which APs are deployed and have VRRP enabled.
C.
MCs have a standby master IP address assigned to them.
D.
MCs have enough licenses to support the APs for which they are active and standby MC.
A cluster is a group of MCs that work together to provide high availability, seamless roaming, and load balancing for wireless clients and APs. A cluster requires all MCs to be on the same VLAN and subnet, and to have the same software version and configuration. A cluster supports stateful failover for user connections, which means that if an MC fails, the user sessions are preserved and transferred to another MC in the cluster without any disruption. A cluster also supports hitless failover for APs, which means that if an MC fails, the APs that were connected to it automatically join another MC in the cluster without rebooting. A cluster is the recommended design for high availability for wireless services12. References:
1: Cluster Overview - Aruba
2: High Availability (SSO) Deployment Guide - Cisco
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