CDCS Capacity Planning & Lifecycle Management Flashcards
6 cards from real CDCS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 CDCS Capacity Planning & Lifecycle Management flashcards as text
What is the typical end-of-life (EOL) refresh cycle for enterprise servers in most data center lifecycle management policies?
Answer: 3–5 years
Most enterprise data center policies retire and replace servers on a 3–5 year cycle to maintain vendor support, warranty coverage, and performance while managing failure risk.
In capacity planning, what does a 'headroom' analysis determine?
Answer: The remaining available power, cooling, or space capacity before reaching design limits
Headroom analysis quantifies how much additional load (power, cooling, or space) the data center can absorb before reaching its engineered design limits, guiding safe growth decisions.
Which document formally authorizes and tracks the planned installation or decommissioning of equipment in a data center?
Answer: Move/Add/Change (MAC) order or work order
A Move/Add/Change (MAC) order is the formal work authorization that documents, approves, and tracks each installation, relocation, or decommission activity in a data center.
What is 'stranded power' risk that arises from using nameplate power ratings during capacity planning?
Answer: Capacity is over-allocated based on maximum rated draw instead of actual measured consumption, leaving real capacity unused
Servers rarely draw their nameplate maximum; planning exclusively from nameplate values over-allocates power budgets, creating stranded (reserved but unused) capacity and preventing new deployments.
What tool or method is used to measure the actual power draw of IT equipment during a data center capacity audit?
Answer: IPMI/BMC power readings or inline current transducers (CTs) on PDU circuits
IPMI/BMC interfaces report real-time server power consumption, and inline current transducers or metered PDUs measure actual circuit draw, both providing accurate power data for capacity planning.
What is the purpose of a data center decommissioning checklist when retiring legacy hardware?
Answer: To ensure data sanitization, asset tracking, safe power-down, cabling removal, and proper disposal or resale of equipment
A decommissioning checklist ensures all steps are completed—data wiping, asset tagging, safe shutdown, cable removal, and certified disposal or remarketing—reducing risk of data exposure and compliance violations.
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