CV0-004 · Question #399
A cloud engineer discovers that two nodes experience resource exhaustion during the holidays. This creates a denial of service on the web application. Adding a third node is not an option because of…
The correct answer is C. Vertical scaling. Vertical scaling means upgrading the existing nodes with more powerful resources-more CPU, RAM, or faster storage-rather than adding more nodes. Since budget constraints rule out adding a third node (horizontal scaling), vertical scaling is the viable path to give the two…
Question
A cloud engineer discovers that two nodes experience resource exhaustion during the holidays. This creates a denial of service on the web application. Adding a third node is not an option because of budgetary constraints. Which of the following scaling approaches helps minimize resource exhaustion?
Options
- AEvent trigger
- BLoad trigger
- CVertical scaling
- DHorizontal scaling
How the community answered
(37 responses)- A3% (1)
- B11% (4)
- C78% (29)
- D8% (3)
Explanation
Vertical scaling means upgrading the existing nodes with more powerful resources-more CPU, RAM, or faster storage-rather than adding more nodes. Since budget constraints rule out adding a third node (horizontal scaling), vertical scaling is the viable path to give the two existing nodes enough capacity to handle holiday traffic spikes without exhausting their resources. Event trigger (A) and load trigger (B) are autoscaling trigger mechanisms, not scaling directions-they determine when to scale, not how. Horizontal scaling (D) is explicitly excluded because it requires adding additional nodes.
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