Exam 8: Modem and Other Remote Communications Devices

an established guideline that specifies how networked data,including data sent over a telephone network,is formatted into a transmission unit

While considering whether to use DSL for an Internet connection,which of the following is NOT a valid consideration?

___________ checking is a data verification process that ensures data integrity through a system of data bit comparisons between the sending and receiving computer.

What are the two interfaces supported in ISDN and what are their respective data rates?

What type of signal is embedded in the data of synchronous communication lines?

You are verifying a computer's parity checking by analyzing the bits received through a serial communication port. The system is set for even parity. Which of the following bit streams indicates a parity error?

You have been called to troubleshoot a satellite Internet connection. Based on your knowledge of how satellite communications work,which of the following is NOT likely to be the cause of the problem?

You are analyzing a serial communication session. You are able to view each character as it is transmitted and received. You suspect a problem with the software flow control. Which of the following characters is involved in software flow control?

communications that occur in discrete units in which the start of a unit is signaled by a start bit at the front,and a stop bit at the back signals the end of the unit

Which of the following is NOT a component in a typical satellite Internet connection?