It infrastructure - Samenvattingen en Aantekeningen

NCTI Field Tech 2 to 3 100% SOLUTION 2023//2024 What is one reason why broadband cable operators install fiber optic cables in stages instead of changing the infrastructure all at once - ANSWER Changing the infrastructure all at once would cause too many service disruptions What is the difference between FTTN and FTTC - ANSWER FTTC is allowed a smaller number of RF amplifiers between the optical fiber and the customer premises Which of these components is used in a PON(Passive Optica...

INTRODUCTION Cyber security is receiving increased attention from the boards of many organizations today in large part due to the bad publicity generated from recent large data breaches. Senior members of management and corporate boards have lost their positions, and organizations have had to spend valuable resources in post-breach cleanup and to make their clients and customers “whole.” Infrastructure spending has increased as organizations attempt to prevent the breaches from occur...

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An information technology audit, or information systems audit, is an examination of the controls within an Information technology (IT) infrastructure. An IT audit is the process of collecting and evaluating evidence of an organization's information systems, practices, and operations. The evaluation of obtained evidence determines if the information systems are safeguarding assets, maintaining data integrity, and operating effectively and efficiently to achieve the organization's goals or objec...

Field Tech II - III Conventional – NCTI Questions and Answers 2023 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 optical fiber and the customer premi...

Cybersecurity the "preservation of confidentiality, integrity and availability of information in the Cyberspace" Cyberspace the complex environment resulting from the interaction of people, software and services on the Internet by means of technology devices and networks connected to it, which does not exist in any physical form NIST Cybersecurity Framework Identify—Use organizational understanding to minimize risk to systems, assets, data and capabilities. Protect—Design safeguards...

NCTI WIFI QUESTIONS AND ANSWERS 2023 Notes Single input, single output (SISO) - Most systems have one radio and one antenna, and some systems have one radio and two antennas. Multiple input, multiple output (MIMO) - These systems use multiple radio chains in a single wireless chipset. Multi-user MIMO (MU-MIMO) - These systems use each radio chain on an access point to transmit to a unique client.Correct answer: Wired Equivalent Protection (WEP) - This type of security setup should never be ...

NCTI Charter Communications Fiber - Lesson 1 Questions and Answers 2023 What does the hybrid fiber/coax (HFC) network architecture offer broadband cable operators? HFC network architectures have been developed to enable broadband cable operators to make a gradual, or staged, transition to an all fiber-optic cable infrastructure. Which fiber-to-the-x topology has amplifiers in the coaxial cable portion of the network? Additional RF amplifiers may be in the coaxial cable portion of the f...

Proprietary trading is most likely carried out by: dealers. brokers. settlement agents. - Answer- Dealers, Dealers act as principals, so they are deemed proprietary traders. Dealers trade on behalf of their own accounts and use their own capital to make markets. B is incorrect. Brokers arrange deals between the buyers and the sellers. They do not trade for their own accounts. C is incorrect. Settlement agents provide services to clear and settle deals after they have been negotiated. Q...

ITIL (Information Technology Infrastructure Library) is a framework that helps organizations improve their IT service management practices. The latest version, ITIL V4, provides a set of best practices and a holistic approach to managing IT services through the ITIL Service Value System. By following the principles and practices outlined in ITIL V4, organizations can improve the delivery of their IT services, increase customer satisfaction, reduce costs, and improve their overall business perfor...