Which of the following descriptions about dynamic resource scheduling is wrong?

Question

Options

• AThere are two automatic scheduling modes and administrator manual operation mode for cluster
• BWhen the two virtual machines are in the active/standby relationship, you can configure advanced
• CThe cluster dynamic resource scheduling function adopts the intelligent load balancing scheduling
• DResource scheduling can be configured with different measurement factors, which can be

• A
  12% (7)
• B
  78% (45)
• C
  3% (2)
• D
  7% (4)

Explanation

Option B is the incorrect description because virtual machines configured in an active/standby (primary/backup) relationship are bound by high-availability placement constraints that restrict where they can reside - DRS cannot freely apply advanced scheduling rules to them, as doing so could violate the HA topology (e.g., both VMs landing on the same host).

Why the distractors are correct (and therefore not the answer):

• A is accurate - dynamic resource scheduling typically offers two automatic modes (fully automatic and partially automatic) plus a manual mode for administrator-initiated migrations.
• C is accurate - DRS does use intelligent load balancing algorithms to evaluate and rebalance VM workloads across hosts.
• D is accurate - scheduling policies allow configuration of different thresholds and measurement factors (CPU, memory, etc.) to tune sensitivity.

Memory tip: Think of active/standby VMs like a pair of handcuffed partners - DRS can't move one freely without considering the other's mandatory placement, so advanced independent scheduling is off-limits. If a question mentions HA-paired VMs getting full DRS flexibility, that's the red flag.

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