Certified Cybersecurity Technician Exam 212-82 PDF

Certified Cybersecurity Technician Network Security Controls - Physical Controls Exam 212-82 Module 1 Understand the Importance of Physical Security 2 Discuss Various Physical Flow = Security Controls 3 Describe Workplace Security i 4 Describe Envi Various PR Describe Various Environmental Controls...

Certified Cybersecurity Technician Network Security Controls - Physical Controls Exam 212-82 Module 1 Understand the Importance of Physical Security 2 Discuss Various Physical Flow = Security Controls 3 Describe Workplace Security i 4 Describe Envi Various PR Describe Various Environmental Controls This section explains various environmental controls. Module 06 Page 667 Certified Cybersecurity Technician Copyright © by EC-Gouncil All Rights Reserved. Reproduction is Strictly Prohibited. Certified Cybersecurity Technician Network Security Controls - Physical Controls Exam 212-82 Heating, Ventilation and Air Conditioning QO Continuous power consumption/supply makes data centers, hardware, and equipment become hot very quickly Q Improper equipment placement can increase the risk of fire O HVAC (Heating, Ventilation, and Air Conditioning) systems control the surrounding environment in a room or building especially humidity, temperature, and air flow O HVAC ensures the information system components are less prone to damage due to environmental changes Q Consider various factors and components such as hardware, cabling, fire protection, and power supply, etc. before installing the HVAC equipment O Maintain baseline temperature and humidity levels to keep equipment working reliably Copyright © by | cil All Rights Reserved. Reproductionis Strictly Prohibited Heating, Ventilation and Air Conditioning Continuous power consumption/supply can cause data centers, hardware, and equipment to become hot very quickly. Furthermore, improper equipment placement can increase the risk of fire. The HVAC is a special system that controls the environment in a room or building, especially the humidity conditions of the air and ventilation. It is deployed to maintain comfortable temperatures in a room so that the hardware is not affected by moisture and changes in the air. In these controlled conditions, the hardware and components are also safer and less prone to damage due to environmental factors. The HVAC also purifies the air in rooms and removes smoke, odor, heat, and dust particles. An environment where the air is odor-free and clean and the humidity is controlled provides a good atmosphere for the people working with that organization. These ventilation systems are desired mostly in medium- to large-scale organizations that use heavy equipment and employ a large number of people. A preprogrammed sensing device is used to check for changes in the temperature, and the HVAC acts accordingly. The HVAC can also be manually controlled. Before installing the HVAC equipment, the organization must consider various factors and components such as hardware, cabling, fire protection, and power supply. Baseline temperature and humidity levels must be maintained to keep equipment working reliably. Equipment that emits hot or cold air should be continuously monitored. When a refrigeration component is added to an HVAC system, it is known as an HVAC&R or HVACR (heating, ventilating, and air conditioning & refrigeration) system. Types of HVAC Systems = Heating and air-conditioning split system: The traditional and most commonly used HVAC system is the heating and air-conditioning split system. The components of this Module 06 Page 668 Certified Cybersecurity Technician Copyright © by EG-Gouncil All Rights Reserved. Reproduction is Strictly Prohibited. Certified Cybersecurity Technician Network Security Controls - Physical Controls Exam 212-82 system may be found both inside and outside the building. HVAC split systems have the following components: = o An air conditioner to cool the refrigerant o Furnaces, a fan, or an evaporator coil for converting the refrigerant and circulating the air o Aduct to allow air flow throughout the building o Air-quality fittings such as air cleaners and air purifiers Hybrid heat split system: This is an advanced version of a split system having better energy efficiency. In this system, the heat pump realizes an electrically fueled HVAC instead of gas furnace heat. A typical hybrid heat split system includes the following components: = = o A heat pump to cool/heat the refrigerant o Furnaces or an evaporator coil to convert the refrigerant and circulate the air o Aduct to allow air flow throughout the building o Controls or a thermostat as an interface to control the system o Air-quality fittings such as air cleaners and air purifiers Duct-free split heating and air-conditioning system: Most commonly used in locations where traditional split systems cannot be used, a typical duct-free split system includes the following components: o An air conditioner to cool the refrigerant o Afan coil to convert the refrigerant and circulate the air o Refrigerant tubing and wires to connect the outdoor unit to the fan coil o Controls or a thermostat as an interface to control the system o Air-quality fittings such as air cleaners and air purifiers Packaged heating and air-conditioning system: This is the most effect air-conditioning system and is used mainly in locations with adequate space for fixing all the components of a split system. Packaged units can be used in spaces that range from an entire building to one-room units. A packaged heating and air-conditioning system includes the following components: o Packaged products such as a heat pump or an air conditioner combined with a fan coil or an evaporator coil in a single unit o Controls or a thermostat as an interface to control the system o Air-quality fittings such as air cleaners and air purifiers. Module 06 Page 669 Certified Cybersecurity Technician Copyright © by EC-Council All Rights Reserved. Reproduction is Strictly Prohibited. Certified Cybersecurity Technician Network Security Controls - Physical Controls Exam 212-82 Electromagnetic Interference (EMI) Shielding O QO O EMI occurs when electronic device’s performance is interrupted or degraded due to electromagnetic radiation or conduction High levels of disturbance can cause severe damage such as shaky monitors, system failures, unexplained shutdowns, etc. EMI shielding is a coating on electronic equipment kept in metal boxes which block emissions and radiation Copyright © by EC- L All Rights Reserved. Reproduction is Strictly Prohibited. Electromagnetic Interference (EMI) Shielding Electromagnetic radiation emitted from different electronic devices interferes with surrounding devices and causes problems with their functioning. High levels of disturbance can cause severe damage such as shaky monitors, system failures, and unexplained shutdowns. EMI shielding is the practice of coating electronic equipment with metals so that electromagnetic waves do not interfere with other devices or the field is blocked with certain materials. EMI shields separate one part of the equipment from another. Shielding uses materials such as metals or metal foams. An electric field produces a charge on the conducting material, applying an electromagnetic field on a conductor. The conductor produces another charge, which cancels the effect of the electric charge externally applied on it. This causes no change in the conducting material. When the electric field is applied to the material, it produces eddy currents (currents that flow within a material in closed loops). These currents cancel the effect of the magnetic field. In this manner, the shielded material is protected from outside effects or disturbances. For organizations that use heavy equipment, electronic hardware interference is a problem, and EMI shielding is needed for all devices in these types of environments. Many industries such as the telecommunication and healthcare industries prefer to use EMI shielding. Module 06 Page 670 Certified Cybersecurity Technician Copyright © by EG-Gouncil All Rights Reserved. Reproduction is Strictly Prohibited.