Exam 13: Physical Layer Data Transmissions

Which device makes conversion from one digital signal format to another digital signal format?

Signals attenuate most quickly when they travel through the ________.

The data transmission method shown in the figure is using _______

Choose a TRUE statement regarding the twisted pair.

Below figure represents the mechanism used by the T-1 service to transmit data using _________ technology at the physical layer.

UTP categories such as Category 6 should rate the _____.

The following figure shows the process of __________ in data transmissions? A) frequency division multiplexing B) amplitude modulation C) frequency modulation D) statistical time division multiplexing E) time division multiplexing

Which is CORRECT?

This figure demonstrates how the Asymmetric DSL (or ADSL) broadband technology is providing voice and data transmissions concurrently through __________.

Which connection would need cross-over cabling?

The intermediary device in the figure must be a:

What could be a major reason that multi-mode fibers are used instead of single-mode fibers for LANs?

When the optical fiber is compared to the copper wire, the copper wire _____.

Below figure includes examples of _________ technology.

Which statement is NOT true about optical fibers?

Compared with optical fibers, twisted pairs:

Choose a CORRECT statement on the optical fiber.

Imagine this mode of transmissions that combine data from three different sources. The signaling uses ____ technologies:

Imagine this mode of transmissions that combine data from three different sources. The signaling uses ____ technologies: