Cable and dsl modems - Study guides, Class notes & Summaries

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...

ITF+ Study Guide Exam With 100% Correct Answers What are the difference RAM technologies? SDR (operates once every tick), DDR (operates twice per tick), DDR2 (240 pins, faster, uses less power), DDR3 (240 pins, different notch, uses less power), DDR4 (248 pins, fastest, uses the least power) What are the different form factors (shapes/sizes) of motherboards? ATX (full size motherboard, for full-size desktops), microATX (motherboard for smaller systems), and mini-ITX (for smaller specialt...

CTS 1133 Final exam Questions with 100% Correct Answers | Verified | Updated The XON/XOFF flow control method uses control characters to signal data transmission. - answerTRUE Network Operating Systems - answerNetwork Operating Systems Modems use a straight-through modem cable. - answerTRUE Wireless Hotspot - answerThe Jacksonville Landing was one of the first locations in the country to offer free wireless Internet access to anyone eating, visiting, or walking by the waterfront property...

Each state or Canadian province has its own ___________ to regulate communications within its borders. - public utilities commission The _________________ is a United States government agency that regulates voice and data communication. - FCC Which of the following is not a basic architecture for dedicated circuit networks? - bus A ________ geometric layout connects all computers in a closed loop, with each computer linked to the next usually with a series of point-to-point dedicated circu...

CTS 1133 Final exam Questions with 100% Correct Answers | Verified | Updated The XON/XOFF flow control method uses control characters to signal data transmission. - answerTRUE Network Operating Systems - answerNetwork Operating Systems Modems use a straight-through modem cable. - answerTRUE Wireless Hotspot - answerThe Jacksonville Landing was one of the first locations in the country to offer free wireless Internet access to anyone eating, visiting, or walking by the waterfront property...

Cybersecurity Questions and Answers Graded A+ What is cybersecurity preventing the unauthorized access to data and information systems what three goals does cybersecurity have confidentiality, integrity, accessibility what is the confidentiality goal of cybersecurity ensuring no one with authorized can access information what is the integrity goal of cybersecurity ensuring the data hasn't been manipulated and is accurate what is the availability goal of cybersec...

Internet - ANSWER A # of different computers and networks around the world Host - ANSWER Any computer or device that provides services and connections to other computers or devices on a network Wireless Modem - ANSWER Uses a wireless communications technology (radio, satellite, wi-fi) to connect to the internet Broadband - ANSWER Internet connection with fast data-transfer speeds and an always-on connection Hot Spot - ANSWER a wireless network that provides Internet connections to mo...

What best describes "broadband access"? broadband access describes technical methods that enable users to connect to high speed networks What are some ways to accomplish full-duplex (FDX) digital communications on guided medium at the physical layer (OSI Layer 1)? separate receive and transmit paths using separate physical mediums separate digital signals by using separate time slots - does not work for analog signals separate receive and transmit paths by modulating each at different carrier...

WGU C172 2023 Test Questions with All Correct Answers What OSI layer(s) do modems operate on? - ANSWER Physical, Data Link What OSI layer(s) do switches operate on? - ANSWER Data Link, Network What OSI layer(s) do routers operate on? - ANSWER Network Two of the main connectors at the end of UTP cables: - ANSWER RJ11: -A connector that supports two pairs of wires (four total) ' -typically used in telephones. RJ45: -supports four pairs (eight w...

WGU C172 Network and security Chapter 1 & 2 Key Exam Guide Questions and Integral Marking Scheme version 2024/2025 This layer of the OSI model provides the electrical and mechanical connection to the network. - correct answer 1. Physical layer This layer of the OSI model handles error recovery, flow control, and sequencing. - correct answer 2. Data link layer MAC is defined on this layer of the OSI model. - correct answer 2. Data link layer This layer of the OSI model accepts outgoing ...