nerdexam
Broadcom-VMware

2V0-21.23 · Question #4

When configuring vCenter High Availability (HA), which two statements are true regarding the active, passive, and witness nodes? (Choose two.)

The correct answer is A. Network latency must be less than 10 milliseconds. D. They must have a minimum of a 1 Gbps network adapter.. vCenter High Availability (HA) requires specific network latency and adapter speed specifications for its active, passive, and witness nodes.

Architecture and Technologies

Question

When configuring vCenter High Availability (HA), which two statements are true regarding the active, passive, and witness nodes? (Choose two.)

Options

  • ANetwork latency must be less than 10 milliseconds.
  • BThey must have a supported Wide Area Network (WAN).
  • CThey must have a minimum of a 10 Gbps network adapter.
  • DThey must have a minimum of a 1 Gbps network adapter.
  • ENetwork latency must be more than 10 milliseconds.

How the community answered

(27 responses)
  • A
    93% (25)
  • B
    4% (1)
  • E
    4% (1)

Why each option

vCenter High Availability (HA) requires specific network latency and adapter speed specifications for its active, passive, and witness nodes.

ANetwork latency must be less than 10 milliseconds.Correct

For vCenter HA, the network latency between the active, passive, and witness nodes on the HA network must be 10 milliseconds or less to ensure proper data synchronization and timely failover in the event of an active node failure.

BThey must have a supported Wide Area Network (WAN).

vCenter HA is primarily designed for low-latency LAN environments or stretched Layer 2 networks; it does not require a Wide Area Network (WAN), which often introduces excessive latency that would violate the <10ms requirement.

CThey must have a minimum of a 10 Gbps network adapter.

While 10 Gbps network adapters are recommended for optimal performance with vCenter HA, the minimum requirement for the network adapters is 1 Gbps, making 10 Gbps not the minimum.

DThey must have a minimum of a 1 Gbps network adapter.Correct

The minimum network adapter speed required for the vCenter HA network interfaces on all three nodes (active, passive, witness) is 1 Gbps to support the necessary replication and heartbeat traffic efficiently.

ENetwork latency must be more than 10 milliseconds.

The network latency requirement for vCenter HA is strictly less than or equal to 10 milliseconds, making 'more than 10 milliseconds' an incorrect and disqualifying condition for proper operation.

Concept tested: vCenter High Availability (VCHA) networking requirements

Source: https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-vcenter-ha/GUID-9C49622A-EC3E-4B0D-9E95-6E58F4A14346.html

Topics

#vCenter HA#Network Latency#Network Adapter Speed

Community Discussion

No community discussion yet for this question.

Full 2V0-21.23 Practice