300-170 · Question #120
Refer to the exhibit. Which description of high availability on the Cisco Nexus 1000V Series Switch is true?
The correct answer is C. Active and standby VSMs are not synchronized yet. The exhibit indicates that the active and standby Virtual Supervisor Modules (VSMs) in the Cisco Nexus 1000V Series Switch are not yet synchronized, preventing full high availability.
Question
Refer to the exhibit. Which description of high availability on the Cisco Nexus 1000V Series Switch is true?
Exhibit
Options
- AActive and standby VSMs are in the operationally high availability state.
- BRedundancy is provided by a standby VSM.
- CActive and standby VSMs are not synchronized yet.
- DRedundancy is provided by dual active VSMs.
How the community answered
(43 responses)- A28% (12)
- B7% (3)
- C51% (22)
- D14% (6)
Why each option
The exhibit indicates that the active and standby Virtual Supervisor Modules (VSMs) in the Cisco Nexus 1000V Series Switch are not yet synchronized, preventing full high availability.
If the VSMs are not synchronized, they are not in an operationally high availability state, as synchronization is a prerequisite for proper HA functioning.
While a standby VSM provides redundancy, stating they are not synchronized implies the redundancy is not fully operational, making this option less specific to the exhibited (problematic) state.
For high availability to be fully operational in a Cisco Nexus 1000V, the active and standby VSMs must maintain synchronization of their configurations and state. If they are not synchronized, the HA pair is not stable, and a seamless failover cannot be guaranteed.
The Cisco Nexus 1000V Series Switch uses an active-standby redundancy model, not a dual active model for VSMs.
Concept tested: Cisco Nexus 1000V HA synchronization
Source: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus1000v/sw/4_0/install/guide/n1000v_install/n1000v_install_ha.html
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