CDCP Data Center Operations and Maintenance 2

Question 1

Which preventive maintenance activity is critical for UPS systems in a data center?

Accepted Answer

Replacing batteries on a scheduled cycle based on manufacturer recommendations

Answer

Cleaning the UPS exterior weekly

Answer

Upgrading UPS firmware only when an outage occurs

Answer

Relocating UPS units annually

Question 2

What is the primary function of a Computer Room Air Handler (CRAH) unit in a data center?

Accepted Answer

To circulate chilled water through coils and blow cooled air into the data center

Answer

To supply power to servers

Answer

To filter particulates from outside air

Answer

To regulate humidity using steam injection only

Question 3

In incident management, what is the first step after detecting an unplanned outage in a data center?

Accepted Answer

Declare and escalate the incident per the incident response plan

Answer

Begin root cause analysis

Answer

Notify the change management board

Answer

Restore from backup immediately

Question 4

What does MTTR stand for in data center reliability metrics?

Accepted Answer

Mean Time to Repair

Answer

Maximum Time to Recovery

Answer

Minimum Time to Redundancy

Answer

Managed Tier to Resilience

Question 5

What is the purpose of a 'two-person integrity' (TPI) rule in data center operations?

Accepted Answer

To ensure that critical tasks are never performed by a single individual, reducing errors and insider threats

Answer

To require two signatures on purchase orders

Answer

To mandate two-factor authentication for all users

Answer

To require two technicians to carry heavy equipment

Question 6

Which document captures all physical assets in a data center, including location, power draw, and owner?

Accepted Answer

Asset inventory / CMDB (Configuration Management Database)

Answer

Business Impact Analysis (BIA)

Answer

Disaster Recovery Plan (DRP)

Answer

Network topology diagram