Larry and Fern both work in the data center. In order to enter the data center to begin their workday, they must both present their own keys (which are different) to the key reader, before the door to the data center opens.  Which security concept is being applied in this situation?Segregation of dutiesDefense in depthLeast privilegeDual control

describe two critical security challenges that have to be addressed when designing modern data-center security.

You are the security manager for a large company. You have been tasked with implementing a new physical security policy for the company's data center. Which of the following physical security controls would be the most effective in preventing unauthorized access to the data center?1.0 MarksAll of the aboveSecurity guardsMantrapsBiometric access controlClosed-circuit surveillance cameras

Which of these are devices that let employees enter buildings and restricted areas and access secured computer systems at any time, day or night?Equipment locksDoor locksBollardsBadge readers

You manage a data center that stores critical data for a large organization. To prevent unauthorized physical access, which control measure should be your top priority?1.0 Marks Employee background checksFirewalls and intrusion detection systemsVideo surveillance cameras Data encryption at rest and in transitRestricted access to server racks

IT technician ensure all data from the severs are accessible to authorize party at appropriate times. Different people have different access level to retrieve data and services. The situation shows which principle reason for security?Select one:a.Confidentialityb.Access controlc.Integrityd.None of above