Nxtra Data Interview Questions and Answers

The evaluated sequences of activities in a data center include planning, design, construction, testing, and maintenance.

• Planning: Determine the requirements, budget, and timeline for the data center project.

• Design: Create the layout, infrastructure, and systems for the data center.

• Construction: Build the physical structure of the data center according to the design.

• Testing: Conduct performance, security, and disas...read more

Testing and commissioning stages in electrical testing involve various evaluations to ensure proper functioning of electrical systems.

• Insulation resistance testing to check for any insulation breakdown

• Earth resistance testing to ensure proper grounding

• Functional testing to verify the functionality of electrical components

• Load testing to assess the performance under normal operating conditions

• Safety testing to conf...read more

Network cables use copper wires to transmit data, while fiber cables use glass or plastic fibers to transmit data using light signals.

• Network cables use copper wires to transmit data signals.

• Fiber cables use glass or plastic fibers to transmit data using light signals.

• Network cables are typically used for shorter distances, while fiber cables are used for longer distances and higher data transfer speeds.

Firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

• Firewalls can prevent unauthorized access to a network or computer system

• They can block malicious traffic such as viruses, worms, and hackers

• Firewalls can be hardware-based or software-based

• Examples of firewalls include Cisco ASA, Palo Alto Networks, and Windows Firewall

Dedicated facility management professional with a strong background in operations and maintenance, ensuring efficient facility performance.

• Over 5 years of experience in facility management, overseeing daily operations and maintenance tasks.

• Skilled in budget management, successfully reducing operational costs by 15% through strategic vendor negotiations.

• Proficient in implementing safety protocols, resulting in a 30...read more

The refrigeration cycle is a process that removes heat from a space and transfers it to the surroundings.

• The cycle consists of four main components: compressor, condenser, expansion valve, and evaporator.

• The compressor compresses the refrigerant gas, raising its temperature and pressure.

• The high-pressure gas then flows into the condenser, where it releases heat and condenses into a high-pressure liquid.

• The liquid ...read more

BMS system refers to Building Management System, which is responsible for controlling and monitoring various building functions.

• BMS system helps in controlling and monitoring HVAC systems, lighting, security, and other building functions

• It can provide real-time data on energy usage and equipment performance

• BMS systems can be integrated with other building systems for centralized control and automation

• Regular maint...read more

Fire alarm systems work by detecting smoke or heat and triggering alarms to alert occupants of a potential fire.

• Fire alarm systems use sensors to detect smoke or heat

• When smoke or heat is detected, the alarm is triggered

• Alarms can be audible, visual, or both to alert occupants

• Some systems may also automatically notify emergency services