Radio telephony - Study guides, Class notes & Summaries

Wireless LANscorrect answeruse radio for physical layer transmission on the customer premises. Wi-Ficorrect answerA name created by the Wi-Fi Alliance to refer to 802.11 standards. Wi-Fi Alliancecorrect answerTrade group that created interoperability tests of 802.11 LANs; actually produced the WPA standard. Transceiverscorrect answerA transmitter/receiver. Frequencycorrect answerThe number of complete cycles a radio wave goes through per second. In sound, frequency corresponds to pi...

alexander Graham Bell Correct Answer: furthered his fathers work on visible speech for the deaf. telephony Correct Answer: the technology associated with electronic transmission of voice, fax, and other info between distant parties telephone Correct Answer: a handheld device containing both a speaker or transmitter and a receiver telecommunication Correct Answer: the transmission of signs signals messages words writings images and sounds or information of any nature by wire radio op...

ATM (Asynchronous Transfer Mode) The international standard for cell relay in which multiple service types (such as voice, video, or data) are conveyed in fixed-length (53-byte) cells. Fixed-length cells allow cell processing to occur in hardware, thereby reducing transit delays. ATM is designed to take advantage of high-speed transmission media, such as E3, SONET, and T3. Bandwidth The difference between the highest and lowest frequencies available for network signals. The term also is used ...

In a hybrid fiber/coax HFC fiber optic node, what are common voltages produced by DC power supplies? - Correct answer-Common Voltage includes +5, +12 and +24 VDC Why do many optical nodes accept two independent power supplies? - Correct answerFor redundant Powering of the node. What is an option available on most optical nodes for connectin to the power supply? - Correct answer-Through a power cable that is connected from the power supply directly to the power port of the node. Which of th...

Holds database on a local level. There can be many of these on a network for scalability and manageability purposes, phones are normally pointed towards these____ Correct Answer: SUBSCRIBER Holds the authoritative database for configuration. There can only be one of these on the network. It replicates database to others. Correct Answer: Publisher This numbering plan encompasses twenty-five countries/territories primarily in North America, including the Caribbean, and also excludes some cou...

Net Neutrality - ANSWER-refers to diversity of goals, problems and remedies, related to encouraging widespread development and access to broadband technology Net neutrality refers to: - ANSWER--some general goals and problems shared among nations -but specific net neutrality policy goals or problems also Vary among nations -In U.S. unique issue in net neutrality debate -what is FCC's jurisdiction over broadband internet access services FCC refers to federal communications commission R...

New Media Technology COM 3704 2 Part 1: Beginnings: Creating Context Chapter 1 – New Media: Theories and applications Chapter 2 – Forms of new media 3 Chapter 1: New Media: Theories and applications Brief history of communications media 1. 1837 – electronic telegraph, used variable-length binary code utilising a dot and a dash as the two symbols represent by short and long electronic pulses. 2. 1875, fixed-length binary code consisting of 5 equal-length elements comprising a ...

Chapter 3—Brand Adoption, Brand Naming, and Intellectual Property Issues TRUE/FALSE 1. The notions of trial and repeat purchase are particularly apt for inexpensive consumer packaged goods. ANS: T PTS: 1 2. Huge investments and concerted efforts to introduce new products and services almost always guarantee success. ANS: F PTS: 1 3. The three main stages through which an individual becomes an adopter of a new or even established product are the awareness, trier, and repeater classes. AN...

My mcqs network 1 questions & answers 2023 update My mcqs network 1 questions & answers 2023 update EASY QUESTIONS 1. What is the access point (AP) in wireless LAN? a) device that allows wireless devices to connect to a wired network b) wireless devices itself c) both (a) and (b) d) none of the mentioned 2. In wireless ad-hoc network a) access point is not required b) access point is a must c) nodes are not required d) none of the mentioned 3. Which multiple access technique is used ...

Nursing Informatics CH 1-4 Exam 221 Questions with Verified Answers The nurse understands that nursing informatics is recognized as a specialty area of practice by which statement? 1. Research priorities for nursing informatics include the development of a standard nursing language and the development of databases for clinical information. 2. A formal educational program at the master's level must be completed before a nurse is eligible to sit for the credentialing examination. 3. As a di...