Online Access Free Introduction-to-IT Exam Questions

What is a function of a proxy server?

• A.It responds to HTTP requests and can execute scripts to generate dynamic pages.
• B.It responds to user queries to create, manipulate, and retrieve records from a database.
• C.It acts as a giant cache of web pages that anyone in the organization has recently retrieved.
• D.It stores files that any user of the network may wish to access.

Which type of network is used to connect wireless headphones to a smartphone?

• A.Wide area network WAN
• B.Personal area network PAN
• C.Extended area network EAN
• D.Local area network LAN

Which criterion is used to assess off-site storage solutions?

• A.Device media
• B.Capacity
• C.Security
• D.Redundancy

Which hardware component stores instructions for critical system activities?

• A.Read-only memory ROM
• B.Random-access memory RAM
• C.Graphics processing unit GPU
• D.Central processing unit CPU

Which securely best practice designates specific persons who are authorized to view and edit particular parts of a database system?

• A.Authentication
• B.Encryption
• C.Antiviral software
• D.Role-based access control