[Apr-2023] Verified GAQM CDCS-001 Bundle Real Exam Dumps PDF
CDCS-001 Dumps PDF New [2023] Ultimate Study Guide
NEW QUESTION 24
How many approaches are there to remove unwanted heat from an IT environment?
- A. Four
- B. Seven
- C. Five
- D. Six
Answer: C
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 25
__________ 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 26
Which system in Air Distribution System takes the hot exhaust air from the IT equipment to the CRAC
- A. Supply system
- B. Regulation system
- C. Maintenance system
- D. Return system
Answer: D
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 27
Which component is designed to protect electrical equipment from damage caused by overload or short circuit?
- A. Stabiliser
- B. Circuit Breaker
- C. Transient
- 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 28
Which type of Circuit Breaker uses an electromagnetic coil to pull a switch when a circuit carries too much current?
- A. Thermal
- B. Static
- C. Magnetic
- D. Pull
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 29
Which one of the following is a Physical Security Device?
- A. Contactless smart card
- B. Access Key
- C. Fiber optic cable
- D. Token card
Answer: A
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 30
______________ security means keeping unauthorized or ill-intentioned people out of places that they do not belong.
- A. Topological
- B. Logical
- C. Network
- D. Physical
Answer: D
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 31
Which one of the following describes the amount of resistance electricity encounters?
- A. Ohm
- B. Ampere
- C. Watts
- D. Volts
Answer: A
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 32
Which one of the following controls the voltage produced at the output of the alternator?
- A. Voltage Stabilizer
- B. Voltage Meter
- C. Voltage Regulator
- D. Voltage Backup Device
Answer: C
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 33
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 34
If a waveform period is determined to be 10 microseconds in duration, what is the frequency of the signal?
- A. 100 Hz
- B. 10 kHz
- C. 1000 Hz
- D. 100 kHz
Answer: D
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 35
Which mounted system is used to cool small IT environments?
- A. Floor Mounted System
- B. Ceiling Mounted System
- C. Chilled 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 36
Which one of the following is an overall consideration for physical security?
- A. Identify the problem
- B. Define the problem
- C. Apply the solution
- D. Apply the technology
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 37
AC is more easily distributed than DC. This is because:
- A. AC can be transmitted using lighter wires.
- 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. DC needs wires to be totally insulated, while AC wires can be bare, hung from insulator on pylons.
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 38
Which one of the following describes the amount of resistance electricity encounters?
- A. Ohm
- B. Ampere
- C. Watts
- D. Volts
Answer: A
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 39
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. period
- B. wavelength
- C. frequency
- D. amplitude
Answer: B
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 40
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