What is the primary function of a heat sink on a CPU?
To dissipate heat away from the CPU chip.
What is used to ensure synchronization across various network devices?
Network Time Protocol
What is the purpose of an access control vestibule, also known as a mantrap?
To prevent tailgating by ensuring the first door closes before the second door opens.
Under this circumstance a technician should escalate a problem instead of implementing a solution themselves?
When the problem requires expertise or authority beyond the technician's current role.
This is the primary benefit of a print server over direct network printing?
To provide centralized management, security control, and job spooling.
This airflow arrangement in data centers facilitates the efficient intake of cool air and exhaust of warm air?
The creation of hot and cold aisles.
That is the standard TCP port for unencrypted web traffic using the HyperText Transfer Protocol (HTTP)?
TCP port 80.
In physical security, why are facilities 'camouflage'
Keeping a building unmarked or nondescript to hide its purpose as a data center.
This is where IT configuration testing and theory testing should ideally take place to avoid impacting production?
A sandbox testing environment (virtual network).
This is the function of a Virtual Private Network (VPN)?
It creates an encrypted tunnel to allow clients to connect securely to a private network over the Internet.
These are the three main advantages of Solid-State Drives (SSDs) over traditional magnetic hard disks?
They are quieter, consume less power, and provide faster performance.
This is the primary function of a Dynamic Host Configuration Protocol (DHCP) server?
It provides central IP settings automatically to network nodes to avoid manual configuration.
Why is the reason data centers often use reflective glass for windows?
To allow occupants to look out while preventing outsiders from seeing in.
This is What a technician should do immediately after establishing a theory of probable cause?
Test the theory.
This is what bollard posts are used for
To protect buildings from vehicle incursion.
What feature allows server memory to detect and repair corruption errors?
Error Correcting Code (ECC).
This is the primary purpose of a Domain Name System (DNS) forward lookup?
To resolve a fully qualified domain name (FQDN) into its corresponding IP address.
This internal control policy prohibits personnel from leaving sensitive documents in plain view?
Clean desk policy
This is the first question a technician should ask when something that once worked no longer does?
What has changed?
This hypervisor runs directly on the physical hardware,
A Type 1 hypervisor
This configuration does Disk striping, which improves performance by spreading data across multiple disks but offers no fault tolerance.
RAID Level 0
What is a scenario in which an administrator would typically use a DNS reverse lookup?
When they have an IP address and need to determine the associated host or domain name.
What is the administrative practice ensuring no single person controls a process from start to finish is called _____.
Segregation of duties
This is the reason it is critical to back up system settings and data before attempting to reproduce a problem?
Reproducing issues may involve changing configurations that could make the server inoperable.
Why should water not be used as a fire suppressant in a data center?
It can cause catastrophic damage to electrical equipment and poses an electrical hazard.