Transmission Methods & Signaling PE Flashcards
What networking device converts digital signals to analog signals and vice versa?
modem
Which type of cable is NOT susceptible to EMI?
fiber
Broadband: Carries multiple digital channels on a single cable, where one channel is required to send and another channel to receive
false
Which of the following is a type of analog signal?
radio frequencies
When PSTN upgraded the infrastructure of POTS, what was the maximum data rate for early MODEMs?
56 kbps
Scenario: Egon Mask wants to set up a worldwide internet satellite network. He wants his satellites to have high data rates, low latency, and small footprints. He also wants to save money on launch. Which orbit would he most likely use for his network?
leo
What technology has the ability to set up permanent or switched connections/circuits?
ATM (asynchronous transfer mode)
What type of ATM circuit is set up and torn down on a per-call basis?
switched
Which PSTN update supports multiple data types and connects networks together?
ATM (asynchronous transfer mode)
What digital technology will completely replace the PSTN?
VoIP
Which of the following are not infrastructures, protocols, and/or technologies that are used in conjunction with PSTN?
voice over IP
Which of the following is a high-speed, digital networking standard that specifies data rates over fiber-optic connections and employs the use of a multiplexer?
Sonet
(T/F): Copper cables are involved in SONET systems between the Multiplexer and Demultiplexer
false
Which of the following is NOT a configuration of VSAT?
client-server
Which of the following types of networking standards runs fiber lines to neighborhoods for faster data?
VDSL (very high bitrate DSL)
