A Citrix Administrator needs to configure a Citrix ADC high availability (HA) pair with each Citrix ADC in a different subnet. What does the administrator need to do for HA to work in different…

Question

Options

• AConfigure SyncVLAN
• BTurn on Independent Network Configuration (INC) mode
• CTurn on HA monitoring on all Interfaces
• DTurn on fail-safe mode

• A
  4% (1)
• B
  77% (20)
• C
  12% (3)
• D
  8% (2)

Explanation

Independent Network Configuration (INC) mode is required when the two ADC nodes in an HA pair reside on different subnets, because standard HA assumes both nodes share the same subnet and synchronizes identical IP configurations - INC mode decouples the network configuration of each node so each can have its own unique IP addresses, VLANs, and routes while still maintaining HA failover coordination.

Why the distractors are wrong:

• A (SyncVLAN) is used to dedicate a VLAN specifically for HA heartbeat and synchronization traffic, but it doesn't solve the subnet mismatch problem - it's about traffic isolation, not cross-subnet support.
• C (HA monitoring on all interfaces) controls which interfaces are monitored for failover triggering; it has no bearing on whether nodes can operate across different subnets.
• D (Fail-safe mode) prevents both nodes from going active simultaneously during a communication failure - it's a safety mechanism, not a network topology feature.

Memory tip: Think of INC as "Independent Nodes in different Cities" - when each ADC lives in its own network "city" (subnet), they need independence (INC) to manage their own local network identities while still cooperating as an HA pair.

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