Long Test 2

What is the primary function of a data center?

• Managing employee performance

• Storing and processing critical applications and data

• Providing office space for IT staff

• Selling computing hardware

Which of the following components is considered the "brain" of the data center operation?

• Switch

• Router

• Server

• Firewall

What was the name of the first data center built in 1946?

• UNIVAC

• IBM 701

• ENIAC

• PDP-1

Which decade saw the birth of virtualization technology in data centers?

• 1940s

• 1960s

• 1980s

• 2000s

Why did PCs replace mainframes in the 1980s?

• Mainframes were too fast

• PCs were cheaper and easier to maintain

• PCs used more power

• Mainframes were not powerful enough

What was a major factor in the growing popularity of data centers in the 1990s?

• Decrease in computing demand

• Decrease in internet usage

• .COM boom and increased connectivity needs

• Closure of physical offices

What does PUE (Power Usage Effectiveness) measure?

• Server performance

• Ratio of data storage to computing power

• Cooling efficiency

• Total energy used by the facility divided by the energy used by IT equipment

What is one strategy to reduce a data center's energy consumption?

• Increasing server heat tolerance

• Turning off cooling systems during the day

• Server virtualization

• Removing routers and switches

Which of the following best describes “cold storage” in a data center?

• Temperature-controlled server rooms

• Storage for current, high-speed data access

• Backup for live streaming applications

• Long-term storage for rarely accessed data

What type of hardware ensures data packets go to the correct location within a data center?

• Switches

• Hard drives

• Modems

• Firewalls