CDCP EXAMINATION 2022- ĐỀ 4

109- Incertain countries, states or building, water backup supply is required for which system?

• Retention pond
• Well water
• Water storage tank
• Water sprinkler system

113- Maintaining a service catalogue is a key component of the service delivery process. Which of the list below is not part of it?

• Unique identifier
• Description of the service
• Support
• Maintenance window

114- The data centre decides to outsource maintenance for its UPS systems. It agrees with the outsourced vendor to have four maintenance inspections per year. Which type of maintenance activity is chosen?

• Preventive

• Reactive

• Predictive

• Corrective

122- A Class-C handheld extinguisher is used for which type of fire?

• Fire involving the combustion of ordinary materials such as wood, cloth, paper, plastic, etc
• Fire involving combustible of flammable liquids such as gasonline, kerosene and many chemical agents,…
• Fire involving energized electrical equipment such as appliances of all kind, motors, computers, etc.
• Fire involving combustible metal such as sodium, lithium, titanium and magnesium

123- A document is created and approved by one person. Is this acceptable?

• Yes, but only if the person is at managerial level or above
• Yes, as long as he/she has proven to be reliable and objective
• No, the creator and approver have to be different individuals
• It does not matter, as long as the document is signed

128- What is the advantage of a smart-mode or ECO-mode UPS?

• Cost saving as a smart mode or eco-mode UPS needs less maintenance
• The indication smart-mode or eco-mode UPS is for marketing purposes only and after no advantage
• Smart-mode or eco-mode UPS will offer energy savings
• A smart-mode or eco-mode UPS can be used without batteries so to preserve the environment

129- When having two non-synchronized power sources, of which type done the ATS/STS need to be?

• Break before Make

• Make before Break

• Both Make before break and break before make can be used

• Both an ATS and STS can never handle two non-synchronized sources

130- What is not a type of maintenance activity?

• Preventive maintenance
• Exclusive maintenance
• Predictive maintenance
• Reactive maintenance

131- What is the main advantage of the busbar trunking compared to stand electrical cabling?

• Busbar trunking is less expensive
• Busbar trunking has a fixed power rating
• Busbar trunking allows for flexibility
• Busbar trunking can be located both overhead and under the raised floor

132- What is a requirement for both CCTV cameras and recording equipment?

• They must be of the same brand
• Both must be placed inside the computer room
• Both must be connected to a UPS
• CCTV cameras can only be used to cover the outside of the building, where as the recoding equipment needs to be located in a secure area