A. A high-speed downstream channel
B. A medium-speed downstream channel
C. A low-speed downstream channel
D. An ultra-high speed downstream channel
Explanation: A low-speed downstream channel is not a constituent of a residential telephone line. But it might be just a two-way telephone channel. Internet can be provided through a high-speed downstream channel in a residential telephone line.
A. Wired phone access
B. Isp
C. Wired phone access and isp
D. Network routing and isp
Explanation: DSL stands for Digital Subscriber Line and ISP stands for Internet Service Provider. In a Digital Subscriber Line system, the same company which provides phone connection is also an ISP. The internet is provided through the pre-installed telephone lines.
A. Convert analog signals into digital signals
B. Convert digital signals into analog signals
C. Amplify digital signals
D. De-amplify digital signals
Explanation: DSLAM stands for Digital Subscriber Line Access Multiplexer and it’s used by Telcos to convert the analog signals to digital signals for the purpose of providing internet. The DSLAM located in a telco’s Central Office does this function.
A. Dslam
B. Co
C. Splitter
D. Cmts
Explanation: CMTS stands for Cable modem termination system. It is used in cable internet access. In cable internet access, internet is not provided through telephone lines and the companies that provide such connections don’t necessarily provide telephone access.
A. Fibre cable
B. Coaxial cable
C. Is a telecommunications industry term for a broadband network that combines optical fiber and coaxial cable. it has been popularly used since the early 1990s. it is stronger than the optical fiber cables and faster than the co-axial cables.
D. Twisted pair cable
Explanation: Hybrid fiber-coaxial (HFC) is a telecommunications industry term for a broadband network that combines optical fiber and coaxial cable. It has been popularly used since the early 1990s. It is stronger than the optical fiber cables and faster than the co-axial cables.
A. It is a shared broadcast medium
B. It includes hfcs
C. Cable modem connects home pc to ethernet port
D. Analog signal is converted to digital signal in DSLam
Explanation: CMTS stands for Cable modem termination system. In cable access analog signal is converted to digital signal by CMTS. In cable internet access, internet is not provided through telephone lines. DSLAM is used by Telecom companies.
A. Aon
B. Pon
C. Non
D. Mon
Explanation: AON stands for Active optical networks which are essentially switched Ethernets. Each user has his/her own dedicated optical fiber line connecting to the ISP in an AON.
A. Ftth internet access
B. Cable access
C. Telephone access
D. Satellite access
Explanation: StarBand was a two-way satellite broadband Internet service available in the U.S. from 2000–2015. It was discontinued from September 30 2015 due to increasing competition from other ISPs.
A. Dsl
B. Fttp
C. Cable
D. All of the mentioned
Explanation: Home Internet Access is provided by DSL, FTTP, and Cable. FTTP provides the fastest speeds followed by the cable connections and then the DSLs. FTTP is popularly used in modern connections.
A. High speed fibre cable
B. Hfc
C. Optical cable
D. Twisted pair cable
Explanation: ONT stands for Optical Network Terminal. The ONT connects to the Termination Point (TP) with an optical fibre cable. It translates light signals from the fibre optic line to electric signals that the router can read.