[Feb 09, 2024] CDCS-001 Exam Dumps 100% Same Q&A In Your Real Exam
CDCS-001 Test Engine Dumps Training With 42 Questions
NEW QUESTION # 23
Which one of the following describes the amount of resistance electricity encounters?
- A. Watts
- B. Ampere
- C. Ohm
- D. Volts
Answer: C
Explanation:
Explanation
Ohm () describes the amount of resistance electricity encounters. It is one of the base units of the International System of Units (SI), and is defined as the amount of resistance that a conductor has when a force of one volt is applied across it. Ohms are used to measure the electrical resistance of a circuit, and can be used to determine the power of a circuit or the amount of current flowing through it.
NEW QUESTION # 24
Which one of the following is an advantage of Glycol Cooled System?
- A. Can be used in big data centers
- B. No additional cost is required
- C. No maintenance of glycol
- D. Glycol pipes can run long distances and can service several CRAC units
Answer: D
Explanation:
Explanation
Glycol cooled systems are advantageous because they are efficient and can service large data centers with multiple racks. Furthermore, glycol pipes can run long distances, allowing a single system to service several CRAC units. This eliminates the need for multiple systems, resulting in cost savings and reduced maintenance.
NEW QUESTION # 25
Whenever electrical power is being consumed in an IT room or data center. __________ is generated.
- A. Heat
- B. Humidity
- C. Condensation
- D. Static electricity
Answer: A
Explanation:
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 # 26
For which one of these processes is Direct Current essential, and will not work with alternating current?
- A. Heating
- B. Lighting
- C. Turning a motor
- D. Electrolysis
Answer: D
Explanation:
Explanation
Direct Current (DC) is essential for the process of electrolysis. Electrolysis is the process of breaking down a compound using an electric current. The electric current causes ions to move, which results in a chemical reaction that breaks down the compound. In order for electrolysis to work, a direct current is required, as the ions must flow in one direction. Alternating Current (AC) changes direction and would not provide a consistent flow of ions.
Heating, lighting, and turning a motor can be done by either DC or AC. Heating can be done by passing an electric current through a heating element, which can be powered by either DC or AC. Lighting can be done by passing an electric current through a light bulb, which can be powered by either DC or AC. A motor can be powered by either DC or AC, but the type of motor and the application will determine which type of current is more suitable.
NEW QUESTION # 27
____________ is a systematic variation of the voltage wave form or a series of random voltage changes of small dimensions.
- A. Voltage fluctuation
- B. Standby variation
- C. Voltage truncation
- D. Frequency variation
Answer: A
Explanation:
Explanation
Voltage fluctuation is a systematic variation of the voltage waveform or a series of random voltage changes of small dimensions that occur over a period of time. Voltage fluctuation can be caused by a variety of factors, such as changes in demand, changes in the power system, faults on the power system, or the switching of large loads.
NEW QUESTION # 28
Which one of the following is a Physical Security Device?
- A. Fiber optic cable
- B. Contactless smart card
- C. Token card
- D. Access Key
Answer: B
Explanation:
Explanation
A contactless smart card is a physical security device that uses radio frequency identification (RFID) technology to identify and authenticate an individual. This type of card is used in a variety of applications, such as access control systems and digital payment systems. It is also used in physical access control systems, where the card is used to unlock doors or grant access to restricted areas. Contactless smart cards are also used in building access systems, where the card is used to grant access to certain areas of the building.
NEW QUESTION # 29
Which one of the following is an advantage of using Natural Gas?
- A. Maximum carbon build up
- B. Tends to cost more
- C. Minimum carbon build up
- D. More exhaust able
Answer: C
Explanation:
Explanation
The main advantage of using natural gas is that it tends to produce fewer carbon emissions than other fossil fuels, such as coal or oil. Natural gas combustion produces less carbon dioxide and other pollutants than other fuels, making it a cleaner and more renewable source of energy. Additionally, natural gas costs less than other fuels, making it a more cost-effective option.
NEW QUESTION # 30
What are the two main applications for ac (alternate current)?
- A. direct, pulsating
- B. static, dynamic
- C. electric, magnetic
- D. power, information
Answer: D
Explanation:
Explanation
The two main applications for AC (alternate current) are power and information. AC is used to generate and transfer power to electrical devices, and is also used to carry information signals in telecommunications.
NEW QUESTION # 31
Which type of outlet is used for non-computing devices?
- A. Grounding
- B. Static
- C. Convenience
- D. Harmonic
Answer: C
Explanation:
Explanation
Convenience outlets, also known as duplex receptacles or wall outlets, are used to provide power to non-computing devices, such as lamps, televisions, and other household appliances. They are typically found in residential and commercial buildings and are connected to a circuit breaker or fuse for protection against overloading and electrical fires
NEW QUESTION # 32
Which component is designed to protect electrical equipment from damage caused by overload or short circuit?
- A. Transient
- B. Circuit Breaker
- C. Stabiliser
- D. Transfer Switch
Answer: B
Explanation:
Explanation
A circuit breaker is a device designed to protect electrical equipment from damage caused by overload or short circuit. Circuit breakers are designed to detect when too much current is flowing through a circuit and to shut the circuit off when that happens. This protects the equipment from damage due to overloading or short circuiting, and it also helps prevent fires and other accidents.
NEW QUESTION # 33
True or False: Human error is a major cause of data center downtime
- A. True
- B. False
Answer: A
Explanation:
Explanation
Human error is a major cause of data center downtime. Human mistakes are one of the top causes of data center outages, accounting for around one-third of all downtime incidents. Common causes of human error in data centers include misconfiguration, inadequate maintenance, and improper security practices. To reduce the risk of human error, it is important to ensure that data center staff receive proper training, have adequate access control measures in place, and are familiar with best practices for data center operations.
NEW QUESTION # 34
Which mounted system is used to cool small IT environments?
- A. Air Mounted System
- B. Chilled Mounted System
- C. Floor Mounted System
- D. Ceiling Mounted System
Answer: A
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 # 35
Which one of the following is an overall consideration for physical security?
- A. Apply the solution
- B. Define the problem
- C. Apply the technology
- D. Identify the problem
Answer: B
Explanation:
Explanation
Defining the problem is an important overall consideration for physical security. This process involves identifying and analyzing the threats and vulnerabilities that could potentially affect the security of the system, as well as determining what steps need to be taken to mitigate these risks. This process should be done before any other steps are taken to ensure physical security, as it helps to ensure that the security measures are tailored to the specific needs of the system.
NEW QUESTION # 36
Which one of the following describes the amount of resistance electricity encounters?
- A. Watts
- B. Ampere
- C. Ohm
- D. Volts
Answer: C
Explanation:
Explanation
Ohm () describes the amount of resistance electricity encounters. It is one of the base units of the International System of Units (SI), and is defined as the amount of resistance that a conductor has when a force of one volt is applied across it. Ohms are used to measure the electrical resistance of a circuit, and can be used to determine the power of a circuit or the amount of current flowing through it.
NEW QUESTION # 37
__________ represents the maximum power cable of being drawn by the equipment.
- A. Grade rating
- B. Star rating
- C. Power rating
- D. VA rating
Answer: C
Explanation:
Explanation
Power rating represents the maximum power that can be drawn by the equipment. It is usually measured in watts (W) or kilowatts (kW) and represents the maximum amount of power that the equipment can consume without causing damage to the device or the power source.
VA rating (Volt-Ampere rating) is a measure of the apparent power in a circuit, which is the product of the voltage and current in the circuit. It is often used to describe the power handling capability of electronic devices and equipment.
Star rating is a rating system used to indicate the energy efficiency of electrical devices and equipment. The rating ranges from 1 to 5 stars, with 5 stars indicating the most energy-efficient device.
Grade rating is a rating system used to indicate the quality of electrical devices and equipment. It is used in different industry and can indicate the quality of electronic component and material used in equipment.
NEW QUESTION # 38
___________ 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 # 39
Which one of the following is a disadvantage of Water Cooled System?
- A. Introduces an additional source of liquid
- B. Usage of the building's condenser water is less expensive than chilled water
- C. All components are located inside the CRAC
- D. Condenser water piping loops long distances
Answer: A
Explanation:
Explanation
Water cooled systems introduce an additional source of liquid, which can be a potential source of contamination and damage to the IT equipment. Additionally, water cooled systems require more maintenance than air cooled systems and are more expensive to install due to the additional cost of the cooling tower, piping, and pumps.
NEW QUESTION # 40
......
The CDCS certification is intended for professionals who are responsible for managing and maintaining data centre facilities. This includes data centre managers, IT managers, network engineers, systems administrators, and other professionals involved in data centre operations. Certified Data Centre Specialist (CDCS) certification is also suitable for professionals who want to enhance their knowledge and skills in data centre management and advance their careers.
The CDCS certification is an excellent opportunity for data centre professionals to enhance their credibility, improve their job prospects, and stay updated with the latest trends and best practices in the industry. It is not only ideal for those who work in the industry but also for those who want to switch their career to data centre technologies.
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