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GAQM CDCS-001 (Certified Data Centre Specialist) Certification Exam is a globally recognized certification that validates the skills and knowledge of individuals in managing and maintaining data centers. Certified Data Centre Specialist (CDCS) certification exam is designed to test the candidate's proficiency in data center design, maintenance, troubleshooting, and management. Certified Data Centre Specialist (CDCS) certification is offered by the Global Association for Quality Management (GAQM), which is a leading provider of certification programs for professionals.
The CDCS certification covers a range of topics that are essential to data center management, including power and cooling systems, network design, storage systems, virtualization, and disaster recovery. Certified Data Centre Specialist (CDCS) certification is designed to be vendor-neutral, meaning that it is not specific to any particular technology or vendor, but rather covers the industry standards and best practices that are essential to effective data center management.
NEW QUESTION # 38
A __________ generator system is a combination of an electrical generator and a mechanical engine mounted together to form a single piece of equipment.
- A. passive
- B. active
- C. standby
- D. software
Answer: B
Explanation:
A Standby Generator System is a combination of an electrical generator and a mechanical engine mounted together to form a single piece of equipment. The generator provides power to essential appliances and equipment in the event of a power outage. Standby Generator Systems are usually powered by gasoline, diesel, natural gas, or propane, and they are designed to be able to be activated quickly in the event of an emergency.
NEW QUESTION # 39
___________ measures the amount of electrical current flowing through a circuit during a specific time interval.
- A. Ohm
- B. Watts
- C. Ampere
- D. Volts
Answer: C
Explanation:
Explanation
An ampere (A) is the unit of measurement for electric current. It measures the amount of electrical current flowing through a circuit during a specific time interval. The ampere is named after Andre-Marie Ampere, a French mathematician and physicist who was one of the main discoverers of electromagnetism.
Ohm () is the unit of measurement for electric resistance, which is the opposition to the flow of an electric current through a circuit.
Volt (V) is the unit of measurement for electric potential difference, which is the energy required per unit charge to move a test charge between two places in a static electric field.
Watt (W) is the unit of measurement for power, which is the rate at which energy is used or generated in an electrical circuit.
References:
* "Current" (https://www.britannica.com/topic/current-electricity)
* "Electric current" (https://www.sciencedirect.com/topics/engineering/electric-current)
* "Units of Measurement"
(https://www.allaboutcircuits.com/textbook/direct-current/chpt-1/units-of-measurement/)
NEW QUESTION # 40
Which mounted system is used to cool small IT environments?
- A. Chilled Mounted System
- B. Air Mounted System
- C. Ceiling Mounted System
- D. Floor Mounted System
Answer: B
Explanation:
Explanation
An air mounted system is often used to cool small IT environments. This type of cooling system is typically mounted on the wall or ceiling and works by blowing cool air into the room to lower the temperature. Air mounted systems are compact, easy to install and maintain, and can be a cost-effective solution for small spaces.
NEW QUESTION # 41
Whenever electrical power is being consumed in an IT room or data center. __________ is generated.
- A. Humidity
- B. Heat
- C. Static electricity
- D. Condensation
Answer: B
Explanation:
Whenever electrical power is being consumed in an IT room or data center, heat is generated. This heat must be removed in order to maintain an optimal temperature for the equipment, and this is usually done through cooling systems such as air conditioning, air economization, liquid cooling, evaporative cooling, and immersion cooling.
NEW QUESTION # 42
Which is a systematic variation of the voltage waveform or a series of small, random voltage changes?
- A. Voltage fluctuation
- B. Frequency variation
- C. Standby variation
- D. Voltage truncation
Answer: A
NEW QUESTION # 43
True or False: Fuel availability generally dictates the type of standby generator selected
- A. True
- B. False
Answer: A
Explanation:
Explanation
Fuel availability generally dictates the type of standby generator selected as different types of generators use different types of fuel. For example, gasoline generators are typically used in residential or small commercial applications, while diesel generators are usually used in larger industrial and commercial applications. Propane or natural gas generators may also be used, depending on the availability of fuel sources.
NEW QUESTION # 44
Every air distribution system has a ____________ system and a _________ system
- A. Supply, Reverse
- B. Maintenance, Regulation
- C. Supply, Return
- D. Supply, Release
Answer: C
Explanation:
Explanation
Every air distribution system has a supply system, which delivers conditioned air to the space, and a return system, which collects the air from the space and returns it to the air handling unit. The return system is responsible for providing the necessary negative pressure in the space to ensure proper air circulation.
NEW QUESTION # 45
Which type of Circuit Breaker uses an electromagnetic coil to pull a switch when a circuit carries too much current?
- A. Static
- B. Pull
- C. Magnetic
- D. Thermal
Answer: C
Explanation:
Explanation
Magnetic circuit breakers use an electromagnetic coil to pull a switch when a circuit carries too much current, thus tripping the circuit and preventing it from exceeding its rated amperage.
NEW QUESTION # 46
Which one of the following uses sensors such as laser beams or touch sensor?
- A. Server
- B. Backup device
- C. CCTV
- D. Alarms
Answer: D
Explanation:
Explanation
Alarms are physical security devices that use sensors such as laser beams or touch sensors to detect movement or intrusion. These devices are used to alert the user of any unauthorized activity in the area. Alarms can also be used in combination with CCTV cameras to provide a comprehensive security system.
NEW QUESTION # 47
Which mounted cooling system is typically used for small IT environments?
- A. Chilled Mounted System
- B. Ceiling Mounted System (Selected)
- C. Air Mounted System
- D. Floor Mounted System
Answer: B
NEW QUESTION # 48
True or False: A grounded wire is connected to metal appliance cases
- A. True
- B. False
Answer: A
Explanation:
A grounded wire is connected to metal appliance cases in order to provide a safe path for electricity to flow in the event of a short circuit or other electrical problem. This helps to protect the appliance and the people using it from potential electrical shocks, and it also helps prevent fires and other accidents.
NEW QUESTION # 49
Which one of the following is an advantage of Air Cooled Self-Contained System?
- A. It doesn't requires ductwork and/or dropped ceiling
- B. It has more heat removal capacity per unit
- C. All components contain more than one unit
- D. Lowest installation cost
Answer: A
Explanation:
Air cooled self-contained systems are highly efficient and do not require ductwork and/or dropped ceiling for installation. This makes them a great choice for locations where installation costs are a major factor, such as in residential applications, or in places with limited space. Additionally, air cooled self-contained systems have more heat removal capacity per unit compared to water cooled systems, making them more cost- effective in the long run.
NEW QUESTION # 50
______________ security means keeping unauthorized or ill-intentioned people out of places that they do not belong.
- A. Topological
- B. Physical
- C. Network
- D. Logical
Answer: B
Explanation:
Explanation
Physical security means keeping unauthorized or ill-intentioned people out of places that they do not belong.
This can involve a variety of measures, such as locks, alarms, access control systems, cameras, and guards.
Physical security is an important part of any security system, as it helps to protect valuable assets and personnel from theft, vandalism, and other malicious activities.
NEW QUESTION # 51
What is a Data Center?
- A. A building or a portion of a building where debugging takes place
- B. A building or portion of a building whose primary function is to research new data.
- C. A room in a building dedicated to monitoring data and information.
- D. A building or a portion of a building whose primary function is to house a computer room and its related support areas
Answer: D
Explanation:
Explanation
A building or a portion of a building whose primary function is to house a computer room and its related support areas. A Data Center is a secure, temperature-controlled environment that houses computer systems, equipment, and associated components. It is typically used to store, process, and distribute large amounts of data and information. Data Centers typically include server racks, storage arrays, network switches, firewalls, and other components necessary for the operation of computer systems.
NEW QUESTION # 52
Which one of the following controls the voltage produced at the output of the alternator?
- A. Voltage Stabilizer
- B. Voltage Backup Device
- C. Voltage Meter
- D. Voltage Regulator
Answer: D
Explanation:
A voltage regulator controls the voltage produced at the output of the alternator. It's a device that maintains the output voltage of an alternating current (AC) power source within a safe range. The voltage regulator compares the actual output voltage to the desired voltage level and adjusts the voltage accordingly.
Voltage Meter, Voltage Stabilizer, and Voltage Backup Device are not devices that control the voltage produced at the output of the alternator. They are different types of equipment and have different functions.
A voltage meter is a device used to measure the voltage in an electrical circuit. A voltage stabilizer is an electronic device that maintains a constant voltage level. A voltage backup device is a device that provides temporary backup power in case of an electrical outage.
NEW QUESTION # 53
Which of the following measures the actual power consumed by the load equipment?
- A. Amperes
- B. Watts
- C. Volts
- D. Amps
Answer: B
NEW QUESTION # 54
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