Certified Data Centre Specialist (CDCS) Questions and Answers
Question 5
Which one of the following is a Physical Security Device?
Options:
A.
Access Key
B.
Contactless smart card
C.
Token card
D.
Fiber optic cable
Answer:
B
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.
Question 6
Which one of the following is a disadvantage of Water Cooled System?
Options:
A.
All components are located inside the CRAC
B.
Condenser water piping loops long distances
C.
Usage of the building's condenser water is less expensive than chilled water
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.
