Podcast
Questions and Answers
What is the main purpose of the external electrical network in the physical environment security?
What is the main purpose of the external electrical network in the physical environment security?
- To supply power from the distribution substation to the end users
- To protect the internal electrical network of the company
- To provide electrical power to operate all security systems (correct)
- To protect people from electric shock
What is the primary objective of data encryption?
What is the primary objective of data encryption?
- Facilitating data access
- Converting data into an unreadable format without a decryption key (correct)
- Reducing the required storage capacity for data
- Speeding up data transfer
What are the essential components of an intruder alarm system?
What are the essential components of an intruder alarm system?
- Temperature detectors and wireless systems
- Telephone and visual alarm
- Volume detectors and emergency push buttons
- Central module, detectors, magnetic contacts, and self-contained batteries (correct)
What is considered as an 'attack' in IT security?
What is considered as an 'attack' in IT security?
Which group is often considered the most dangerous attackers to IT security?
Which group is often considered the most dangerous attackers to IT security?
What term is used to describe a proactive step taken to safeguard a company's network?
What term is used to describe a proactive step taken to safeguard a company's network?
What specific type of infrastructure is crucial to consider for a data centre located in an earthquake-prone area?
What specific type of infrastructure is crucial to consider for a data centre located in an earthquake-prone area?
What distinguishes 'grey hats' in the realm of cybersecurity?
What distinguishes 'grey hats' in the realm of cybersecurity?
What biometric system is notably reliable and extensively used in safeguarding nuclear facilities?
What biometric system is notably reliable and extensively used in safeguarding nuclear facilities?
How can passive safety measures be employed to defend against fire hazards effectively?
How can passive safety measures be employed to defend against fire hazards effectively?
In a data centre, which access control system utilizes RFID cards with a reading range of 15 centimetres to 2 meters?
In a data centre, which access control system utilizes RFID cards with a reading range of 15 centimetres to 2 meters?
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Study Notes
Physical Environment Security
- The main purpose of the external electrical network is to provide a reliable power supply to support the security systems.
Data Encryption
- The primary objective of data encryption is to protect data from unauthorized access.
Intruder Alarm Systems
- The essential components of an intruder alarm system include sensors, detectors, and alert systems.
IT Security Threats
- An 'attack' in IT security refers to any unauthorized attempt to access, modify, or disrupt computer systems or networks.
- Insiders, such as current or former employees, are often considered the most dangerous attackers to IT security.
Cybersecurity Measures
- A proactive step taken to safeguard a company's network is referred to as a countermeasure.
Data Centre Infrastructure
- Seismic design and earthquake-resistant construction are crucial to consider for a data centre located in an earthquake-prone area.
Cybersecurity Actors
- 'Grey hats' in the realm of cybersecurity are hackers who exploit vulnerabilities but do not have malicious intentions.
Biometric Security
- Retinal scanning is a biometric system that is notably reliable and extensively used in safeguarding nuclear facilities.
Fire Safety Measures
- Passive safety measures, such as fire-resistant materials and firewalls, can be employed to defend against fire hazards effectively.
Access Control Systems
- A proximity card access control system, which utilizes RFID cards with a reading range of 15 centimetres to 2 meters, is commonly used in data centres.
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