Which of the following describes something in a database that refers to the unique identifier in the parent table?
A. Attribute
B. Constraint
C. Foreign key
D. Schema
Which of the following actions is the FINAL step in the standard troubleshooting methodology?
A. Document the solution and cause.
B. Create a new theory of cause.
C. Research the problem online.
D. Implement preventive measures.
A desktop administrator just connected a printer to a workstation, but the workstation does not recognize the printer. Which of the following does the workstation MOST likely need for the printer to function?
A. Permission
B. Ink cartridge
C. USB cable
D. Driver
Which of the following software license models allows a developer to modify the original code and release its own version of the application?
A. Proprietary software
B. Commercial software
C. Open source software
D. Cross-platform software
Which of the following would work BEST stored as a flat file rather than stored in a database?
A. Contact list
B. Movie theater locations
C. Directions to doctor's office
D. Store inventory
When developing a game, a developer creates a boss object that has the ability to jump. Which of the following programming concepts does jump represent?
A. Method
B. Object
C. Property
D. Attribute
A technician has successfully verified full system functionality after implementing the solution to a problem. Which of the following is the NEXT troubleshooting step the technician should do?
A. Determine if anything has changed.
B. Document lessons learned.
C. Establish a theory of probable cause.
D. Duplicate the problem, if possible.
Which of the following contains exactly four copper wires?
A. RJ45
B. VGA
C. RJ11
D. USB
An organization exports an inventory database nightly. This is an example of:
A. database query.
B. database report.
C. database backup.
D. database import.
Joe, a tech-savvy teenager, has received one of the best new home Wi-Fi routers on the market. Joe's parents have entrusted Joe to set up the router. To leverage the best throughput options available for Joe's devices, the router is located in Joe's bedroom. Joe's parents’ devices are set to slower standards. Which of the following is being used for Joe's devices?
A. 802.11n 2.4GHz
B. 802.11ac 2.4GHz
C. 802.11n 5GHz
D. 802.11ac 5GHz
An employee uses a password to log in to a company computer. Which of the following authentication methods did the employee use to gam access to the network?
A. Single-factor
B. Single sign-on
C. Permissions
D. Multifactor
A user has incorrectly typed in a password four times and has been warned the account will be locked after two more attempts. Which of the following will MOST likely resolve the current situation?
A. Password expiration
B. Password reset process
C. Password reuse
D. Password manager
Which of the following describes the type of OS used in an electric vehicle?
A. Embedded OS
B. Mobile device OS
C. Server OS
D. Workstation OS
Which of the following should a software developer use to BEST prevent unauthorized reproduction of software?
A. Watermark
B. Copyright
C. Patent
D. Trademark
A technician is installing a new application on laptops that will be installed in work trucks. The laptops do not have a network connection. Which of the following application delivery models would BEST fulfill this need?
A. Local network-hosted
B. Three-tier
C. Cloud-hosted
D. Locally installed