CDCS-001 Dumps 2023 - New GAQM CDCS-001 Exam Questions
Free CDCS-001 Braindumps Download Updated on Oct 09, 2023 with 42 Questions
NEW QUESTION # 14
Whenever electrical power is being consumed in an IT room or data center. __________ is generated.
- A. Humidity
- B. Static electricity
- C. Condensation
- D. Heat
Answer: D
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 # 15
Which one of the following measures the real power drawn by the load equipment?
- A. Watts
- B. Amperes
- C. Amps
- D. Volts
Answer: A
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 # 16
The distance that a signal's energy can travel in the time it takes for one cycle to occur is called the signal's:
- A. wavelength
- B. frequency
- C. amplitude
- D. period
Answer: A
Explanation:
Explanation
Wavelength is a measure of the distance that a signal's energy can travel in the time it takes for one cycle of the signal to occur. It is calculated by dividing the speed of light by the frequency of the signal. Wavelength is generally expressed in meters (m).
NEW QUESTION # 17
Which one of the following is an advantage of Glycol Cooled System?
- A. No maintenance of glycol
- B. Glycol pipes can run long distances and can service several CRAC units
- C. No additional cost is required
- D. Can be used in big data centers
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 # 18
Which type of power can be a source available to the data center that takes over the function of supplying when utility power is unavailable?
- A. Standby
- B. Active
- C. Passive
- D. Alternate
Answer: A
Explanation:
Explanation
Standby power, also known as backup power, is a type of power that can be a source available to the data center that takes over the function of supplying when utility power is unavailable. Standby power systems are designed to provide power to critical loads in the event of a power outage, and can include generators, uninterruptible power supplies (UPS), and batteries. Standby power systems can be used to provide power to the data center for a short period of time, such as a few hours or days, until utility power is restored.
Passive, Active and Alternate are not specific type of power sources used in data center. They are terms used in different context and have different meaning.
NEW QUESTION # 19
If a waveform period is determined to be 10 microseconds in duration, what is the frequency of the signal?
- A. 10 kHz
- B. 100 Hz
- C. 100 kHz
- D. 1000 Hz
Answer: C
Explanation:
Explanation
Frequency is the inverse of period, so to calculate the frequency of a signal with a period of 10 microseconds, you would divide 1 by the period, which is equal to 100 kHz.
NEW QUESTION # 20
Which mounted system is used to cool small IT environments?
- A. Chilled Mounted System
- B. Air Mounted System
- C. Floor Mounted System
- D. Ceiling 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 # 21
Which mounted system can use any of the five heat removal methodologies?
- A. Ceiling Mounted System
- B. Air Mounted System
- C. Chilled Mounted System
- D. Floor Mounted System
Answer: A
NEW QUESTION # 22
___________ protects electrical equipment from damage caused by overload or short circuit.
- A. Volt switch
- B. IEC cable
- C. Circuit breaker
- D. Server
Answer: C
Explanation:
Explanation
A circuit breaker is a device that protects electrical equipment from damage caused by overload or short circuit. It does this by automatically disconnecting the power supply when it detects a surge or drop in voltage, preventing the equipment from being damaged.
NEW QUESTION # 23
Which component is designed to protect electrical equipment from damage caused by overload or short circuit?
- A. Transient
- B. Transfer Switch
- C. Stabiliser
- D. Circuit Breaker
Answer: D
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 # 24
Which one of the following describes the amount of resistance electricity encounters?
- A. Watts
- B. Ampere
- C. Volts
- D. Ohm
Answer: D
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 # 25
Which one of the following is a Physical Security Device?
- A. Fiber optic cable
- B. Access Key
- C. Contactless smart card
- D. Token card
Answer: C
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 # 26
Every air distribution system has a ____________ system and a _________ system
- A. Supply, Return
- B. Supply, Reverse
- C. Supply, Release
- D. Maintenance, Regulation
Answer: A
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 # 27
True or False: Human error is a major cause of data center downtime
- A. False
- B. True
Answer: B
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 # 28
Which one of the following is an advantage of Air Cooled Self-Contained System?
- A. Lowest installation cost
- B. All components contain more than one unit
- C. It has more heat removal capacity per unit
- D. It doesn't requires ductwork and/or dropped ceiling
Answer: D
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 # 29
A typical data center load would consist of _____ (Choose 3)
- A. Software
- B. Cooling equipment
- C. Computers
- D. Power generator
- E. Networking equipment
Answer: B,C,D
NEW QUESTION # 30
For which one of these processes is Direct Current essential, and will not work with alternating current?
- A. Lighting
- B. Electrolysis
- C. Heating
- D. Turning a motor
Answer: B
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 # 31
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