WGU C480 Networks Chapter 7. Exam Review Questions and answers, VERIFIED. (LATEST UPDATE 2024/2025)

WGU C480 Networks Chapter 7. Exam Review Questions and answers, VERIFIED. How many channels on an E1 circuit are available for voice, video, or data? - -30 What DSL variant has a distance limitation of 18,000 ft. between a DSL modem and its DSLAM? - - ADSL * What kind of network is used by many cable companies to service their cable modems and contains both fiber-optic and coaxial cabling? - -HFC * Which PPP authentication method provides one-way authentication and sends credentials in clear text? - -PAP ISDN is considered to be what type of WAN connection? - -Circuit-switched connection What locally significant identifier is used by a Frame Relay network to reference a virtual circuit? - - DLCI * How big is the payload portion of an ATM cell? - -48 bytes What is the size of an MPLS header? - -32 bits ATM can be considered in which of the following WAN categories? - -Packet switched Cell switched ATM is considered a packet switched type of technology. Because it uses fixed-length cells, sometimes you will see it specified as cell switched. What technology is typically used in conjunction with DSL? - -PPPoE What technology is similar to WiMAX and offers wireless broadband service? The maximum data rate is 84 Mbps. - -HSPA+ Like WiMAX, Evolved High-Speed Packet Access (HSPA+) is a technology offering wireless broadband service. The maximum data rate for HSPA+ is 84 Mbps Where is PPPoE typically used in a DSL environment? - -Betw