Verified CDCS-001 dumps Q&As - Pass Guarantee Exam Dumps Test Engine [2023]
CDCS-001 dumps and 42 unique questions
The CDCS-001 exam covers a comprehensive range of topics related to data center design, including power and cooling systems, security, network connectivity, and virtualization. CDCS-001 exam also tests participants' knowledge of data center operations, including monitoring, maintenance, and troubleshooting. Additionally, the exam covers data center management, including budgeting, capacity planning, and disaster recovery planning.
NEW QUESTION # 24
AC is more easily distributed than DC. This is because:
- A. DC needs wires to be totally insulated, while AC wires can be bare, hung from insulator on pylons.
- B. AC can be transformed from a low voltage to a high voltage and back again with a transformer. DC cannot.
- C. Wires have less resistance if they are carrying AC
- 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 # 25
Which one of the following is a disadvantage of Water Cooled System?
- A. Usage of the building's condenser water is less expensive than chilled water
- B. All components are located inside the CRAC
- C. Condenser water piping loops long distances
- D. Introduces an additional source of liquid
Answer: D
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 # 26
Which one of the following is an advantage of Glycol Cooled System?
- A. Can be used in big data centers
- B. Glycol pipes can run long distances and can service several CRAC units
- C. No maintenance of glycol
- D. No additional cost is required
Answer: B
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 # 27
Which one of the following measures the real power drawn by the load equipment?
- A. Amps
- B. Watts
- C. Amperes
- D. Volts
Answer: B
Explanation:
Explanation
Watts measures the real power drawn by the load equipment and is determined by multiplying the volts and amps of the load
NEW QUESTION # 28
Which one of the following uses sensors such as laser beams or touch sensor?
- A. Server
- B. Alarms
- C. CCTV
- D. Backup device
Answer: B
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 # 29
Data Center Precision Cooling Systems maintain temperature within _____________ degree(s) of their design set point.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 30
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. All components contain more than one unit
- C. It has more heat removal capacity per unit
- D. Lowest installation cost
Answer: A
Explanation:
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 # 31
Which system in Air Distribution System takes the hot exhaust air from the IT equipment to the CRAC
- A. Return system
- B. Maintenance system
- C. Supply system
- D. Regulation system
Answer: A
Explanation:
Explanation
The return system in an air distribution system takes the hot exhaust air from the IT equipment and returns it to the Computer Room Air Conditioner (CRAC) unit. The CRAC unit cools the hot exhaust air and recirculates it back into the data center. The return system typically includes ducts, grills, and other components that allow the hot air to be efficiently and effectively returned to the CRAC unit.
Supply system is responsible for bringing in the cooled and filtered air from the CRAC unit to the data center.
Maintenance system and regulation system are not related to air distribution system in the data center.
NEW QUESTION # 32
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 # 33
Which one of the following describes the amount of resistance electricity encounters?
- A. Watts
- B. Ohm
- C. Ampere
- D. Volts
Answer: B
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 # 34
Which one of the following describes the amount of resistance electricity encounters?
- A. Watts
- B. Ohm
- C. Ampere
- D. Volts
Answer: B
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 # 35
Whenever electrical power is being consumed in an IT room or data center. __________ is generated.
- A. Static electricity
- B. Condensation
- C. Heat
- D. Humidity
Answer: C
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 # 36
___________ measures the amount of electrical current flowing through a circuit during a specific time interval.
- A. Ohm
- B. Ampere
- C. Watts
- D. Volts
Answer: B
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 # 37
Which one of the following is a Physical Security Identification Method?
- A. Expression
- B. Batch ID
- C. Voice
- D. Sound
Answer: C
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 # 38
____________ is a systematic variation of the voltage wave form or a series of random voltage changes of small dimensions.
- A. Voltage fluctuation
- B. Frequency variation
- C. Standby variation
- D. Voltage truncation
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 # 39
Which one of the following is an overall consideration for physical security?
- A. Apply the technology
- B. Apply the solution
- C. Define the problem
- D. Identify the problem
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 # 40
Which power distribution component is often used when many electrical devices are enclosed proximity especially with audio, video and computers?
- A. Outlet strips
- B. Server plug
- C. Power distribution units (PDU)
- D. Backup server
Answer: C
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 # 41
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