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Terms in this set (29)
what type of cable is a 100-ohm multipair cable used for voice-grade communications
what type of connector is used to link two segments of cable in a straight run?
An ST connector is rated for what number of matings?
In a CSMA/CA system, the media-access method used what signals before sending a frame onto the network?
RTS and CTS
An SMA connector is rated for what number of matings?
What device handles the first two layers of the OSI model?
What type of connector is used to connect telephones to the wall?
How many types of line conditioning are available?
Which of the following cables is the best choice if a secure network is needed?
Filters applied early in the transmission are know by what term?
Which of the following areas cause the majority of all network-related problems?
-operating system failures
An SC connector is rated for what number of matings?
Which of the following devices serves as a termination point for a cable running from individual nodes in a network?
How many types of backbone cable are there?
Which of the following terms is described as a hardware signal from a potential transmitter to a destination to indicate that the transmitter wishes to begin transmission?
A commonly used measure of interference in twisted-pair cable is referred to by which of the following names?
How many primary culprits are there to network malfunctions?
Which of the following cables is identified by a designation of RG-11?
What term is used to describe how Demand Assigned Multiple Access data stream is formatted?
The multi-station POFA should be run for what minimum amount of time?
What is the name of the five unit code that includes mark and space signals and is used in teletypewriter operation?
Of the following radios, which is popularly known as the "Gibson Girl"?
The audio interface unit of the LMS-11 connects which of the following signals?
-LSB from HF radios only
-USB from HF radios only
-USB and LSB from HF radios and USB from UHF radions
-USB from UHF radios only
USB and LSB from HF radios and USB from UHF radions
What are light waves called that strike a surface but are neither transmitted nor absorbed?
Extremely-low-frequency transmission is primarily directed at which of the following users?
In which of the following authentication methods is an encrypted challenge text sent to the user to verify credentials?
To enable the DTS to detect fram transitions during the preamble, the 2915-HZ sync tone is phase shifted how many degrees at each frame?
The lowest signal loss and the highest bandwidth are characteristics of which of the following types of fibers?
Which of the following is another term used to describe the SHF communications band?
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