500-601 · Question #8
Which three states are distributed to each node in the fabric? (Choose three)
The correct answer is C. appliance vector D. replica vector F. cluster vector. In a fabric architecture, each node must maintain a consistent view of the infrastructure through distributed state vectors. The appliance vector (C) tracks service appliances attached to the fabric, the replica vector (D) manages replication state so nodes know which copies of…
Question
Options
- Afabric node vector
- BfVXLAN vector
- Cappliance vector
- Dreplica vector
- Edcluster ID
- Fcluster vector
How the community answered
(18 responses)- A6% (1)
- B6% (1)
- C89% (16)
Explanation
In a fabric architecture, each node must maintain a consistent view of the infrastructure through distributed state vectors. The appliance vector (C) tracks service appliances attached to the fabric, the replica vector (D) manages replication state so nodes know which copies of data or policy exist where, and the cluster vector (F) conveys cluster membership and topology so every node has a coherent picture of its peers. Together, these three give each node the minimum set of shared state needed to forward traffic and enforce policy without a centralized lookup on every decision.
Why the distractors are wrong:
- A (fabric node vector): Not a standard distributed state construct in this fabric model - node identity is conveyed through the cluster vector.
- B (fVXLAN vector): fVXLAN is a data-plane encapsulation technology, not a state vector distributed per-node.
- E (dcluster ID): A cluster identifier is a scalar value scoped to the cluster itself, not a per-node distributed state vector.
Memory tip: Think "ARC" - Appliance, Replica, Cluster. These three vectors cover what's attached, what's replicated, and who's in the club - everything a node needs to act independently within the fabric.
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