[Oct 08, 2023] Get New CDCS-001 Certification Practice Test Questions Exam Dumps
Real CDCS-001 Exam Dumps Questions Valid CDCS-001 Dumps PDF
NEW QUESTION # 11
How many approaches are there to remove unwanted heat from an IT environment?
- A. Four
- B. Six
- C. Seven
- D. Five
Answer: D
Explanation:
Explanation
There are five common approaches to removing unwanted heat from an IT environment:
* Air conditioning: using mechanical cooling to remove heat from the air.
* Air economization: using outside air to cool the IT environment when the temperature is cooler than the desired temperature inside the data center.
* Liquid cooling: using a liquid coolant to absorb and remove heat from IT equipment.
* Evaporative cooling: using water evaporation to cool the air.
* Immersion cooling: submerging IT equipment in a liquid coolant to remove heat.
NEW QUESTION # 12
Which one of the following is a Physical Security Identification Method?
- A. Voice
- B. Sound
- C. Batch ID
- D. Expression
Answer: A
Explanation:
Explanation
Voice identification is a physical security identification method that uses the sound of an individual's voice to identify them. This method is often used in combination with other identification methods, such as biometric scans, to provide a more secure form of authentication. Voice identification is used in a variety of situations, such as when accessing a secure facility or when making financial transactions.
NEW QUESTION # 13
Which type of Circuit Breaker uses an electromagnetic coil to pull a switch when a circuit carries too much current?
- A. Thermal
- B. Magnetic
- C. Static
- D. Pull
Answer: B
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 # 14
Which one of the following is an advantage of using Natural Gas?
- A. More exhaust able
- B. Maximum carbon build up
- C. Minimum carbon build up
- D. Tends to cost more
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 # 15
Which one of the following controls the voltage produced at the output of the alternator?
- A. Voltage Regulator
- B. Voltage Meter
- C. Voltage Stabilizer
- D. Voltage Backup Device
Answer: A
Explanation:
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 # 16
AC is more easily distributed than DC. This is because:
- A. Wires have less resistance if they are carrying AC
- B. AC can be transformed from a low voltage to a high voltage and back again with a transformer. DC cannot.
- C. DC needs wires to be totally insulated, while AC wires can be bare, hung from insulator on pylons.
- D. AC can be transmitted using lighter wires.
Answer: B
Explanation:
Explanation
AC can be transformed from a low voltage to a high voltage and back again with a transformer, while DC cannot. This makes it easier to distribute AC electricity over long distances and is why it is used more widely than DC electricity. A and B are also true, as wires carrying AC can be bare and don't need to be totally insulated. Wires have less resistance when carrying AC electricity, which is why it is more efficient than DC.
NEW QUESTION # 17
For which one of these processes is Direct Current essential, and will not work with alternating current?
- A. Electrolysis
- B. Turning a motor
- C. Heating
- D. Lighting
Answer: A
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 # 18
Which one of the following is an overall consideration for physical security?
- A. Apply the solution
- B. Identify the problem
- C. Define the problem
- D. Apply the technology
Answer: C
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 # 19
Which power distribution component is often used when many electrical devices are enclosed proximity especially with audio, video and computers?
- A. Server plug
- B. Outlet strips
- C. Backup server
- D. Power distribution units (PDU)
Answer: D
Explanation:
Explanation
The best option for enclosing many electrical devices in proximity, especially with audio, video and computers, is Power Distribution Units (PDUs). PDUs are designed to provide power to multiple devices using a single power source, such as a wall outlet or a generator, while providing protection against power surges.
PDUs are generally equipped with multiple outlets to allow for a variety of electrical devices to be connected and powered simultaneously.
NEW QUESTION # 20
Which one of the following is a disadvantage of Water Cooled System?
- A. All components are located inside the CRAC
- B. Usage of the building's condenser water is less expensive than chilled water
- C. Introduces an additional source of liquid
- D. Condenser water piping loops long distances
Answer: C
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 # 21
Data Center Precision Cooling Systems maintain temperature within _____________ degree(s) of their design set point.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 22
Which type of outlet is used for non-computing devices?
- A. Harmonic
- B. Grounding
- C. Static
- D. Convenience
Answer: D
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 # 23
______________ security means keeping unauthorized or ill-intentioned people out of places that they do not belong.
- A. Physical
- B. Logical
- C. Topological
- D. Network
Answer: A
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 # 24
Which mounted system is used to cool small IT environments?
- A. Ceiling Mounted System
- B. Chilled Mounted System
- C. Floor Mounted System
- D. Air Mounted System
Answer: D
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 # 25
Which component is designed to protect electrical equipment from damage caused by overload or short circuit?
- A. Transfer Switch
- B. Transient
- C. Circuit Breaker
- D. Stabiliser
Answer: C
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 # 26
A typical data center load would consist of _____ (Choose 3)
- A. Software
- B. Computers
- C. Power generator
- D. Cooling equipment
- E. Networking equipment
Answer: B,C,D
NEW QUESTION # 27
__________ represents the maximum power cable of being drawn by the equipment.
- A. VA rating
- B. Star rating
- C. Power rating
- D. Grade 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 # 28
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The CDCS certification is a highly respected credential in the data center industry. It is recognized globally as a standard of excellence for professionals who work in the field of data center management. Certified Data Centre Specialist (CDCS) certification is designed for individuals who are responsible for managing data center operations, including network engineers, IT managers, data center managers, and other professionals who are involved in the design, planning, and operation of data centers.
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