Cable modem - Study guides, Class notes & Summaries

FDM - Shares communication channel by allowing full-time access to only part of the communication channel for each circuit TDM - shares communication channel by allowing the entire channel to be used by different circuits, one per each time slot guided media technology - uses wires, fibers, or other similar mechanisms to send and receive signals circuit switched networks - maintains the reserved resources for the entire duration of the communication, whether they are used to the fullest c...

1. Which OSI(Open Systems Interconnection model) layer is related to the function of the IP protocol suite?: Network 2. Which OSI(Open Systems Interconnection model) layer is responsible for organizing how bits are passed over the physical layer between devices within the same collision domain?: Data link 3. Which OSI(Open Systems Interconnection model) layer would define the scope of a protocol that makes sure packets of data are received correctly and resends them if they are not?: Transpo...

Spectrum - Field Tech New Hire, Spectrum Field Tech New Hire Week 2 Questions and Answers Already Passed What does the "S" in S.A.F.E stand for? Stop What does the "A" in S.A.F.E stand for? Assess What does the "F" in S.A.F.E stand for? Focus What does the "E" in S.A.F.E stand for? Eliminate What are the three branches of the Safety Triangle? Knowledge Technique Attitude What (in electricity) is the direct cause of injury voltage (E), current (I), or resistance (R)? Current (I) Wha...

ITN 100 Chapter 10 Study Guide Questions with Complete Solutions The most common cable modem standard is Data over Cable Service Interface Specification. True Technologies such as DSL and cable modem are called narrowband technologies. False Another term for cable networks that use both fiber-optic and coaxial cable is __________. hybrid fiber coax Each of the networks in Internet 2 has a set of access points called terapops. False Which of the following new Internet efforts wa...

DIGITAL TECHNICIAN CONVENTIONAL 100% CORRECT ANSWERS | ESTUDY LATEST, ALL ANSWERED 100% 1. Why do digital modulation channels have measurable analog parameters? - A) They are based on digital signals only. - B) They modulate an analog RF carrier with digital data. - C) They operate solely in digital formats. - D) They have no relation to analog signals. - **ANSWER:** B) They modulate an analog RF carrier with digital data. 2. Which was the first version of the Data Over Cable Servi...

Progression Field Tech 3- 4 Test Exam (Latest Update 2024/ 2025) Questions and Verified Answers| 100% Correct| Grade A Q: What are the two pieces of equipment required at a minimum for cable modem based high speed Internet service? Answer: d. CMTS and DOCSIS CPE Q: Which of these is not a connecting media used in home networks? Answer: e. None of the above, they are all used in modern home networking (LAN Cable/Coaxial Cable/Wireless/Electric power lines) Q: Which o...

Progression: Field Tech II - III Conventional Questions and Answers Latest Updated 2024/2025 Graded A+. What is one reason why broadband cable operators install fiber-optic cable in stages instead of changing the infrastructure all at once? - Changing the infrastructure all at once would cause too many service disruptions. What is the difference between the fiber-to-the-node (FTTN) and fiber-to-the-curb (FTTC) topologies? - An FTTC is allowed a smaller number of RF amplifiers between the opt...

Kwan, a fifth-grade teacher, has been learning about computers but does not know much about networking. He found a hub in the supply closet and decided to create a small network in his classroom consisting of a file/application server, 10 relatively new computers, and a printer. The students often complain that the computers are slow, but one student blames it on the network. What can Kwan do to eliminate complaints? Upgrade to more powerful PCs Incorrect. Upgrading to more powerful computer...

HSD Customer Service Test The first version of the Data Over Cable Service Interface Specification (DOCSIS) was approved as an international standard by what organization? - The International Telecommunication Union (ITU). What criteria does the Data Over Cable Service Interface Specification (DOCSIS) certification process ensure? - Compliance with the DOCSIS standard and interoperability between suppliers. What layers of the Open Systems Interconnection (OSI) reference model are ap...

1. Which OSI(Open Systems Interconnection model) layer is related to the function of the IP protocol suite?: Network 2. Which OSI(Open Systems Interconnection model) layer is responsible for organizing how bits are passed over the physical layer between devices within the same collision domain?: Data link 3. Which OSI(Open Systems Interconnection model) layer would define the scope of a protocol that makes sure packets of data are received correctly and resends them if they are not?: Transport 4...