Question 80 - 5V0-35.21 discussion

The type of node that should be deployed to monitor a remote datacenter using an existing vRealize Operations Manager cluster is a Remote Collector node. A Remote Collector node is a node that is deployed in a remote datacenter location across a firewall, and collects data from the remote objects without performing analysis or storing data.A Remote Collector node can reduce the bandwidth consumption and the load on the vRealize Operations analytics cluster, and can also navigate firewalls and interface with remote data sources12.A Remote Collector node can be deployed on a different operating system than the rest of the cluster, and can support a round-trip time (RTT) of up to 200 ms3.

The other options are not correct, because they are not suitable for monitoring a remote datacenter with a high RTT. A Replica node is a node that is converted from a Data node to provide high availability (HA) or continuous availability (CA) for the vRealize Operations cluster.A Replica node is a copy of the Primary node, and must be deployed in the same datacenter as the Primary node1. A Data node is a node that performs data collection and analysis for the vRealize Operations cluster, and can be added to scale out the cluster capacity and performance.A Data node must be deployed in the same datacenter as the Primary node, and can support a RTT of up to 10 ms1. A Witness node is a node that is required for continuous availability (CA) of the vRealize Operations cluster, and acts as a decision maker in case of a network partition between two fault domains.A Witness node must be deployed in a third datacenter that is separate from the two fault domains, and can support a RTT of up to 100 ms1.

References:

About vRealize Operations Cluster Nodes - VMware Docs

vRealize Operations Manager: Design Introduction - VMware Blogs

Mastering vRealize Operations Manager - Second Edition - Packt Subscription

vRealize Operations node types - Mastering vRealize Operations Manager ...