CDCS CDCS Capacity Planning & Lifecycle Management 3

Question 1

Which Uptime Institute tier requires fully redundant power and cooling with no single point of failure and concurrent maintainability?

Accepted Answer

Tier III

Answer

Tier I

Answer

Tier II

Answer

Tier IV

Question 2

What is the significance of the 'critical load' figure in data center capacity planning?

Accepted Answer

The total IT power consumption (servers, storage, network) that the facility's power and cooling infrastructure must support

Answer

The maximum ambient temperature the facility can sustain

Answer

The weight load limit of the raised floor per square foot

Answer

The number of simultaneous users the network can handle

Question 3

In a DCIM-based capacity planning workflow, what is a 'what-if' scenario analysis used for?

Accepted Answer

Modeling the impact of proposed changes (adding racks, increasing loads) on power, cooling, and space before implementation

Answer

Testing backup generator startup sequences

Answer

Simulating network failover paths under link failure conditions

Answer

Evaluating software patch compatibility before deployment

Question 4

What does 'IT load growth rate' forecasting help determine during long-range data center capacity planning?

Accepted Answer

When additional power, cooling, or floor space infrastructure investments will be needed to support projected demand

Answer

When to upgrade network switches to higher bandwidth

Answer

How often preventive maintenance should be performed on UPS batteries

Answer

Which server models to standardize on for the next procurement cycle

Question 5

Which practice helps prevent 'cabling chaos' and maintains accurate documentation in a high-density data center?

Accepted Answer

Implementing structured cabling standards with labeled patch panels, color-coded cables, and maintained cable plant documentation

Answer

Using only wireless networking for rack-to-rack connectivity

Answer

Running all cables through overhead trays without labeling

Answer

Consolidating all cables into a single large bundle per cabinet

Question 6

What is the primary purpose of a data center 'hot spare' parts inventory program?

Accepted Answer

To maintain critical replacement components on-site to minimize mean time to repair (MTTR) during hardware failures

Answer

To keep extra servers available for cloud burst capacity

Answer

To store backup tapes for offsite disaster recovery

Answer

To pre-stage equipment for the next planned infrastructure expansion