Operational amplifiers, used primarily in analog circuits, are characterized by（）
Which of the following interfaces is used to connect analog devices to the Internet?（）
Which statement is true about the digital to analog conversion process？（）
Which two B-RAS service offerings maintain the analog dial-up model with centralized user authentication，authorization，andaccounting？（）
What gateway port type can analog phones be connected to for use on a VoIP network？（）
In a VoIP network， which type of interface would an analog fax machine connect to？（）
What is the maximum attainable bandwidth using an analog data modem？（）
When comparing analog display inputs to digital display inputs, which of the following is anadvantage that digital has over analog?（）
When a router converts analog signals to digital signals， what three steps are always included in the process？ （）
Which two statements are true about analog to digital conversion of voice signals for use in digital telephony networks？（）
