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NCP-DB-6.10 · Question #166

NCP-DB-6.10 Question #166: Real Exam Question with Answer & Explanation

The correct answer is C. Engage the networking team as this is a network related issue.. The scenario describes a PostgreSQL HA deployment managed by NDB, where an NDB- managed VLAN (PGSQLVLAN40) restricts database communication to only within VLAN 40. This indicates a network isolation issue, likely due to VLAN segmentation or routing misconfiguration, preventing co

Question

An administrator created an NDB managed VLAN called PGSQLVLAN40 After deploying PostgreSQL HA, it was noticed that the databases were able to communicate with everything on VLAN 40 only. What can the administrator do to fix the current issue and going forward?

Options

  • AUse VLAN 1 for the PostgreSQL deployment.
  • BChange the Default Gateway on the PostgreSQL servers and update NDB for VLAN
  • CEngage the networking team as this is a network related issue.
  • DDelete the data base servers, VLAN name PGSQLVLAN40 and redeploy the same information

Explanation

The scenario describes a PostgreSQL HA deployment managed by NDB, where an NDB- managed VLAN (PGSQLVLAN40) restricts database communication to only within VLAN 40. This indicates a network isolation issue, likely due to VLAN segmentation or routing misconfiguration, preventing communication with external networks or other VLANs. Since NDB manages the VLAN and assigns it to the database VMs, the issue lies beyond NDB's direct control and involves the underlying network infrastructure (e.g., switches, routers, or Prism Element network

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