Mobile Virtual Network Operator A Complete Guide 2020 Edition

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A Comprehensive Guide to 5G Security

Author : Madhusanka Liyanage
Publisher : John Wiley & Sons
ISBN 13 : 1119293049
Total Pages : 482 pages
Book Rating : 4.1/5 (192 download)

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Book Synopsis A Comprehensive Guide to 5G Security by : Madhusanka Liyanage

Download or read book A Comprehensive Guide to 5G Security written by Madhusanka Liyanage and published by John Wiley & Sons. This book was released on 2018-03-19 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first comprehensive guide to the design and implementation of security in 5G wireless networks and devices Security models for 3G and 4G networks based on Universal SIM cards worked very well. But they are not fully applicable to the unique security requirements of 5G networks. 5G will face additional challenges due to increased user privacy concerns, new trust and service models and requirements to support IoT and mission-critical applications. While multiple books already exist on 5G, this is the first to focus exclusively on security for the emerging 5G ecosystem. 5G networks are not only expected to be faster, but provide a backbone for many new services, such as IoT and the Industrial Internet. Those services will provide connectivity for everything from autonomous cars and UAVs to remote health monitoring through body-attached sensors, smart logistics through item tracking to remote diagnostics and preventive maintenance of equipment. Most services will be integrated with Cloud computing and novel concepts, such as mobile edge computing, which will require smooth and transparent communications between user devices, data centers and operator networks. Featuring contributions from an international team of experts at the forefront of 5G system design and security, this book: Provides priceless insights into the current and future threats to mobile networks and mechanisms to protect it Covers critical lifecycle functions and stages of 5G security and how to build an effective security architecture for 5G based mobile networks Addresses mobile network security based on network-centricity, device-centricity, information-centricity and people-centricity views Explores security considerations for all relative stakeholders of mobile networks, including mobile network operators, mobile network virtual operators, mobile users, wireless users, Internet-of things, and cybersecurity experts Providing a comprehensive guide to state-of-the-art in 5G security theory and practice, A Comprehensive Guide to 5G Security is an important working resource for researchers, engineers and business professionals working on 5G development and deployment.

WiFi User Guide 2020 Edition

Author : Gel Gepsy
Publisher : Webolicus
ISBN 13 :
Total Pages : 141 pages
Book Rating : 4./5 ( download)

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Book Synopsis WiFi User Guide 2020 Edition by : Gel Gepsy

Download or read book WiFi User Guide 2020 Edition written by Gel Gepsy and published by Webolicus. This book was released on with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book was first published in 2015. Since then, the Wi-Fi technology has evolved tremendously. This 2020 edition has important updates about security. Once hackers take control of your Wi-Fi router, they can attack connected devices such as phones, laptops, computers! Fortunately, it is easy to harden the defense of your home network. There are important steps you should take in order to protect your connected devices. An exhaustive catalog of the latest home security devices has been updated in this 2020 edition. Why would you spend a lot of money to have a home security system installed when you can do it yourself! A chapter about health risks has also been added. Are EMF radiations safe? We regularly post updates on our site http://mediastimulus.com such as security alerts and the latest in Wi-Fi technology. Your feedback is always welcome http://mediastimulus.com/contact/

The Practitioner's Guide to Cellular IoT

Author : Cameron Coursey
Publisher : Artech House
ISBN 13 : 1630818089
Total Pages : 240 pages
Book Rating : 4.6/5 (38 download)

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Book Synopsis The Practitioner's Guide to Cellular IoT by : Cameron Coursey

Download or read book The Practitioner's Guide to Cellular IoT written by Cameron Coursey and published by Artech House. This book was released on 2020-08-31 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Internet of Things (IoT) has grown from a niche market for machine-to-machine communication into a global phenomenon that is touching our lives daily. The key aspects of IoT are covered in this book, including the anatomy of an IoT device and how it is connected to a backend system, the nuances of data extraction and keeping the data safe and secure, the role of the SIM card in cellular connected IoT devices, and how IoT devices are controlled. Low-power wide-area devices that will allow almost anything to be connected, how IoT devices are being connected around the world, and how 5G and edge computing will continue to drive new use cases are explained. Overcoming the challenges of creating IoT applications and hardware is covered. Detailed examples of how IoT is being used in the spaces of industrial, consumer, transportation, robotics, and wearables are provided. The IoT industry is explained. Finally, the future of IoT is covered in light of technical, social, and economic advances.

A Practical Guide to Digital Forensics Investigations

Author : Darren R. Hayes
Publisher : Pearson IT Certification
ISBN 13 : 0134892941
Total Pages : 1144 pages
Book Rating : 4.1/5 (348 download)

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Book Synopsis A Practical Guide to Digital Forensics Investigations by : Darren R. Hayes

Download or read book A Practical Guide to Digital Forensics Investigations written by Darren R. Hayes and published by Pearson IT Certification. This book was released on 2020-10-16 with total page 1144 pages. Available in PDF, EPUB and Kindle. Book excerpt: THE DEFINITIVE GUIDE TO DIGITAL FORENSICS—NOW THOROUGHLY UPDATED WITH NEW TECHNIQUES, TOOLS, AND SOLUTIONS Complete, practical coverage of both technical and investigative skills Thoroughly covers modern devices, networks, and the Internet Addresses online and lab investigations, documentation, admissibility, and more Aligns closely with the NSA Knowledge Units and the NICE Cybersecurity Workforce Framework As digital crime soars, so does the need for experts who can recover and evaluate evidence for successful prosecution. Now, Dr. Darren Hayes has thoroughly updated his definitive guide to digital forensics investigations, reflecting current best practices for securely seizing, extracting and analyzing digital evidence, protecting the integrity of the chain of custody, effectively documenting investigations, and scrupulously adhering to the law, so that your evidence is admissible in court. Every chapter of this new Second Edition is revised to reflect newer technologies, the latest challenges, technical solutions, and recent court decisions. Hayes has added detailed coverage of wearable technologies, IoT forensics, 5G communications, vehicle forensics, and mobile app examinations; advances in incident response; and new iPhone and Android device examination techniques. Through practical activities, realistic examples, and fascinating case studies, you'll build hands-on mastery—and prepare to succeed in one of today's fastest-growing fields. LEARN HOW TO Understand what digital forensics examiners do, the evidence they work with, and the opportunities available to them Explore how modern device features affect evidence gathering, and use diverse tools to investigate them Establish a certified forensics lab and implement best practices for managing and processing evidence Gather data online to investigate today's complex crimes Uncover indicators of compromise and master best practices for incident response Investigate financial fraud with digital evidence Use digital photographic evidence, including metadata and social media images Investigate wearable technologies and other “Internet of Things” devices Learn new ways to extract a full fi le system image from many iPhones Capture extensive data and real-time intelligence from popular apps Follow strict rules to make evidence admissible, even after recent Supreme Court decisions

The Complete Guide for CISA Examination Preparation

Author : Richard E. Cascarino
Publisher : CRC Press
ISBN 13 : 0429644213
Total Pages : 256 pages
Book Rating : 4.4/5 (296 download)

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Book Synopsis The Complete Guide for CISA Examination Preparation by : Richard E. Cascarino

Download or read book The Complete Guide for CISA Examination Preparation written by Richard E. Cascarino and published by CRC Press. This book was released on 2020-10-05 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Complete Guide for CISA Examination Preparation delivers complete coverage of every topic on the latest release of the Certified Information Systems Auditor (CISA) exam. The author is an IT security and auditing expert and the book covers all five exam domains. This effective self-study system features chapter learning objectives, in-depth explanations of each topic, and accurate practice questions. Each chapter includes exam tips that highlight key exam information, hands-on exercises, a summary that serves as a quick review, and end-of-chapter questions that simulate those on the actual exam. Designed to help candidates pass the CISA exam easily, it also serves as an ideal on-the-job reference. Richard E. Cascarino, MBA, CIA, CISM, CFE, CRMA, is well known in international auditing. Richard is a principal of Richard Cascarino & Associates. He has over 31 years’ experience in audit training and consulting. He is a regular speaker at national and international conferences and has presented courses throughout Africa, Europe, the Middle East and the USA. Richard is a Past President of the Institute of Internal Auditors in South Africa, was the founding Regional Director of the Southern African Region of the IIA-Inc. and is a member of ISACA, and the Association of Certified Fraud Examiners, where he is a member of the Board of Regents for Higher Education. Richard was Chairman of the Audit Committee of Gauteng cluster 2 (Premier's office, Shared Services and Health) in Johannesburg and is currently the Chairman of the Audit and Risk Committee of the Department of Public Enterprises in South Africa. Richard is also a visiting Lecturer at the University of the Witwatersrand, author of the book Internal Auditing: An Integrated Approach, now in its third edition. This book is extensively used as a university textbook worldwide. In addition, he is the author of the Auditor's Guide to IT Auditing, Second Edition and the book Corporate Fraud and Internal Control: A Framework for Prevention. He is also a contributor to all four editions of QFINANCE, the Ultimate Resource.

The Essential Guide to Wireless Communications Applications

Author : Andy Dornan
Publisher : Prentice Hall
ISBN 13 :
Total Pages : 452 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis The Essential Guide to Wireless Communications Applications by : Andy Dornan

Download or read book The Essential Guide to Wireless Communications Applications written by Andy Dornan and published by Prentice Hall. This book was released on 2002 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: The bestselling nontechnical, guide to next-generation wireless applications, fully updated for the latest technologies and business realities. The book contains all-new coverage of wireless economics including the most promising opportunities in tough markets.

Thru-Hiking The Appalachian Trail

Author : Jeff Blum
Publisher : Jeff Blum
ISBN 13 :
Total Pages : 350 pages
Book Rating : 4./5 ( download)

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Book Synopsis Thru-Hiking The Appalachian Trail by : Jeff Blum

Download or read book Thru-Hiking The Appalachian Trail written by Jeff Blum and published by Jeff Blum. This book was released on 2020-09-16 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: You may have read that only 25% successfully finish a thru-hike of the Appalachian Trail. There is no foolproof way to make sure you will succeed where others fail but this book can help improve the odds. This book organizes and presents all of the useful things learned as part of his research for his successful thru-hike. You’ll also find tips from his and fellow hikers’ personal experiences. Thru-Hiking The Appalachian Trail is a great place to start your preparation for an epic long-distance hike.

The Complete Guide to iPhone 12 Mini

Author : Ian Osborne
Publisher : Black Dog Media Ltd
ISBN 13 :
Total Pages : 180 pages
Book Rating : 4./5 ( download)

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Book Synopsis The Complete Guide to iPhone 12 Mini by : Ian Osborne

Download or read book The Complete Guide to iPhone 12 Mini written by Ian Osborne and published by Black Dog Media Ltd. This book was released on 2020-11-01 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combining style, power and some great new features, the iPhone 12 mini takes Apple’s smartphone to a whole new level. Its operating system, iOS 14, also brings exciting new features and enhancements. Together, they make for a world-beating mobile experience. Over the 180 pages in this guidebook, we get to the heart of the awesome iPhone 12 mini and the iOS 14 operating system, bringing you guides, tips and tutorials that help you get the most from your new Apple smartphone.

Kosovo Country Study Guide Volume 1 Strategic Information and Developments

Author : IBP, Inc.
Publisher : Lulu.com
ISBN 13 : 1514513358
Total Pages : 300 pages
Book Rating : 4.5/5 (145 download)

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Book Synopsis Kosovo Country Study Guide Volume 1 Strategic Information and Developments by : IBP, Inc.

Download or read book Kosovo Country Study Guide Volume 1 Strategic Information and Developments written by IBP, Inc. and published by Lulu.com. This book was released on 2015-06 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Andorra Country Study Guide Volume 1 Strategic Information and Developments - Everything you need to know about the country - Geography, history, politics, economy, business, etc.

Open RAN

Author : Ian C. Wong
Publisher : John Wiley & Sons
ISBN 13 : 1119886015
Total Pages : 245 pages
Book Rating : 4.1/5 (198 download)

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Book Synopsis Open RAN by : Ian C. Wong

Download or read book Open RAN written by Ian C. Wong and published by John Wiley & Sons. This book was released on 2023-09-06 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: Open RAN A comprehensive survey of Open RAN technology and its ecosystem In Open RAN: The Definitive Guide, a team of distinguished industry leaders deliver an authoritative guide to all four principles of the Open RAN vision: openness, virtualization, intelligence, and interoperability. Written by the industry experts currently defining the specifications, building the systems, and testing and deploying the networks, the book covers O-RAN architecture, the fronthaul interface, security, cloudification, virtualization, intelligence, certification, badging, and standardization. This critical reference on Open RAN explains how and why an open and disaggregated, intelligent, and fully virtualized network is the way networks should be designed and deployed moving forward. Readers will also find: A thorough introduction from key industry players, including AT&T, Telefonica, Mavenir, VMWare, Google and VIAVI Comprehensive explorations of Open X-Haul transport networks and other unique 5G capabilities Practical discussions of the four pillars of O-RAN architecture: openness, virtualization, intelligence, and interoperability Comprehensive treatments of how smaller vendors can introduce their own services and customize the network Perfect for engineers, product managers, and marketing professionals in the telecom industry, Open RAN: The Definitive Guide will also benefit graduate students, researchers, and engineers in government agencies with involvement in the wireless and telecom industries.

Building Data Centers with VXLAN BGP EVPN

Author : Lukas Krattiger
Publisher : Cisco Press
ISBN 13 : 0134514920
Total Pages : 502 pages
Book Rating : 4.1/5 (345 download)

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Book Synopsis Building Data Centers with VXLAN BGP EVPN by : Lukas Krattiger

Download or read book Building Data Centers with VXLAN BGP EVPN written by Lukas Krattiger and published by Cisco Press. This book was released on 2017-04-04 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: The complete guide to building and managing next-generation data center network fabrics with VXLAN and BGP EVPN This is the only comprehensive guide and deployment reference for building flexible data center network fabrics with VXLAN and BGP EVPN technologies. Writing for experienced network professionals, three leading Cisco experts address everything from standards and protocols to functions, configurations, and operations. The authors first explain why and how data center fabrics are evolving, and introduce Cisco’s fabric journey. Next, they review key switch roles, essential data center network fabric terminology, and core concepts such as network attributes, control plane details, and the associated data plane encapsulation. Building on this foundation, they provide a deep dive into fabric semantics, efficient creation and addressing of the underlay, multi-tenancy, control and data plane interaction, forwarding flows, external interconnectivity, and service appliance deployments. You’ll find detailed tutorials, descriptions, and packet flows that can easily be adapted to accommodate customized deployments. This guide concludes with a full section on fabric management, introducing multiple opportunities to simplify, automate, and orchestrate data center network fabrics. Learn how changing data center requirements have driven the evolution to overlays, evolved control planes, and VXLAN BGP EVPN spine-leaf fabrics Discover why VXLAN BGP EVPN fabrics are so scalable, resilient, and elastic Implement enhanced unicast and multicast forwarding of tenant traffic over the VXLAN BGP EVPN fabric Build fabric underlays to efficiently transport uni- and multi-destination traffic Connect the fabric externally via Layer 3 (VRF-Lite, LISP, MPLS L3VPN) and Layer 2 (VPC) Choose your most appropriate Multi-POD, multifabric, and Data Center Interconnect (DCI) options Integrate Layer 4-7 services into the fabric, including load balancers and firewalls Manage fabrics with POAP-based day-0 provisioning, incremental day 0.5 configuration, overlay day-1 configuration, or day-2 operations

Guide to RRB Junior Engineer Stage II Electrical & Allied Engineering 4th Edition

Author :
Publisher : Disha Publications
ISBN 13 : 9362258269
Total Pages : 514 pages
Book Rating : 4.3/5 (622 download)

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Book Synopsis Guide to RRB Junior Engineer Stage II Electrical & Allied Engineering 4th Edition by :

Download or read book Guide to RRB Junior Engineer Stage II Electrical & Allied Engineering 4th Edition written by and published by Disha Publications. This book was released on with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: Guide to RRB Junior Engineer Stage II Electrical & Allied Engineering 3rd Edition covers all the 5 sections including the Technical Ability Section in detail. • The book covers the complete syllabus as prescribed in the latest notification. • The book is divided into 5 sections which are further divided into chapters which contains theory explaining the concepts involved followed by Practice Exercises. • The Technical section is divided into 11 chapters. • The book provides the Past 2014 & 2015 & 2019 Solved questions at the end of each section. • The book is also very useful for the Section Engineering Exam.

Guide to RRB Junior Engineer Stage II Civil & Allied Engineering 4th Edition

Author : Disha Experts
Publisher : Disha Publications
ISBN 13 : 9362255375
Total Pages : 602 pages
Book Rating : 4.3/5 (622 download)

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Book Synopsis Guide to RRB Junior Engineer Stage II Civil & Allied Engineering 4th Edition by : Disha Experts

Download or read book Guide to RRB Junior Engineer Stage II Civil & Allied Engineering 4th Edition written by Disha Experts and published by Disha Publications. This book was released on with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: Guide to RRB Junior Engineer Stage II Civil & Allied Engineering 3rd Edition covers all the 5 sections including the Technical Ability Section in detail. • The book covers the complete syllabus as prescribed in the latest notification. • The book is divided into 5 sections which are further divided into chapters which contains theory explaining the concepts involved followed by Practice Exercises. • The Technical section is divided into 17 chapters. • The book provides the Past 2014, 2015 & 2019 Solved questions at the end of each section. • The book is also very useful for the Section Engineering Exam.

Guide to RRB Junior Engineer Stage II Electrical & Allied Engineering 3rd Edition

Author : Disha Experts
Publisher : Disha Publications
ISBN 13 : 9388373898
Total Pages : 501 pages
Book Rating : 4.3/5 (883 download)

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Book Synopsis Guide to RRB Junior Engineer Stage II Electrical & Allied Engineering 3rd Edition by : Disha Experts

Download or read book Guide to RRB Junior Engineer Stage II Electrical & Allied Engineering 3rd Edition written by Disha Experts and published by Disha Publications. This book was released on 2019-01-30 with total page 501 pages. Available in PDF, EPUB and Kindle. Book excerpt: Guide to RRB Junior Engineer Stage II Electrical & Allied Engineering 3rd Edition covers all the 5 sections including the Technical Ability Section in detail. • The book covers the complete syllabus as prescribed in the latest notification. • The book is divided into 5 sections which are further divided into chapters which contains theory explaining the concepts involved followed by Practice Exercises. • The Technical section is divided into 11 chapters. • The book provides the Past 2015 & 2014 Solved questions at the end of each section. • The book is also very useful for the Section Engineering Exam.

CCNP Collaboration Call Control and Mobility CLACCM 300-815 Official Cert Guide

Author : Kyzer Davis
Publisher : Cisco Press
ISBN 13 : 0136575587
Total Pages : 1287 pages
Book Rating : 4.1/5 (365 download)

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Book Synopsis CCNP Collaboration Call Control and Mobility CLACCM 300-815 Official Cert Guide by : Kyzer Davis

Download or read book CCNP Collaboration Call Control and Mobility CLACCM 300-815 Official Cert Guide written by Kyzer Davis and published by Cisco Press. This book was released on 2020-12-23 with total page 1287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Trust the best-selling Official Cert Guide series from Cisco Press to help you learn, prepare, and practice for exam success. They are built with the objective of providing assessment, review, and practice to help ensure you are fully prepared for your certification exam. * Master Cisco CCNP CLACCM 300-815 exam topics * Assess your knowledge with chapter-opening quizzes * Review key concepts with exam preparation tasks This is the eBook edition of the CCNP Collaboration Call Control and Mobility CLACCM 300-815 Official Cert Guide. This eBook does not include access to the Pearson Test Prep practice exams that comes with the print edition. CCNP Collaboration Call Control and Mobility CLACCM 300-815 Official Cert Guide presents you with an organized test preparation routine through the use of proven series elements and techniques. “Do I Know This Already?” quizzes open each chapter and allow you to decide how much time you need to spend on each section. Exam topic lists make referencing easy. Chapter-ending Exam Preparation Tasks help you drill on key concepts you must know thoroughly. CCNP Collaboration Call Control and Mobility CLACCM 300-815 Official Cert Guide focuses specifically on the objectives for the Cisco CCNP CLACCM 300-815 exam. Collaboration experts Kyzer Davis, Paul Giralt, Patrick Kinane, and Gonzalo Salgueiro share preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics. This complete study package includes * A test-preparation routine proven to help you pass the exams * Do I Know This Already? quizzes, which allow you to decide how much time you need to spend on each section * Chapter-ending exercises, which help you drill on key concepts you must know thoroughly * An online interactive Flash Cards application to help you drill on Key Terms by chapter * A final preparation chapter, which guides you through tools and resources to help you craft your review and test-taking strategies * Study plan suggestions and templates to help you organize and optimize your study time Well regarded for its level of detail, assessment features, and challenging review questions and exercises, this official study guide helps you master the concepts and techniques that ensure your exam success. This official study guide helps you master all the topics on the CCNP Implementing Cisco Advanced Call Control and Mobility Services (CLACCM 300-815) exam, including * Signaling and media protocols * CME/SRST gateway technologies * Cisco Unified Border Element * Call control and dial planning * Cisco Unified CM Call Control features * Mobility

Guide to RRB Junior Engineer Stage II Exam - Physics, Chemistry, General Awareness, Basics of Computers, Environment & Pollution Control

Author : Disha Experts
Publisher : Disha Publications
ISBN 13 : 9388373677
Total Pages : 301 pages
Book Rating : 4.3/5 (883 download)

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Book Synopsis Guide to RRB Junior Engineer Stage II Exam - Physics, Chemistry, General Awareness, Basics of Computers, Environment & Pollution Control by : Disha Experts

Download or read book Guide to RRB Junior Engineer Stage II Exam - Physics, Chemistry, General Awareness, Basics of Computers, Environment & Pollution Control written by Disha Experts and published by Disha Publications. This book was released on 2019-01-25 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book Guide to RRB Junior Engineer Stage II Online Exam has 4 sections (common to all streams): General Awareness, Physics & Chemistry, Basics of Computers and Applications & Basics of Environment and Pollution Control. • Each section is further divided into chapters which contains theory explaining the concepts involved followed by MCQ exercises. • The book provides the past 2014 & 2015 Solved Questions. • The detailed solutions to all the questions are provided at the end of each chapter.

TCO CTNS Certified Telecommunications Network Specialist Study Guide

Author : Eric Coll
Publisher : Teracom Training Institute
ISBN 13 : 1894887638
Total Pages : 489 pages
Book Rating : 4.8/5 (948 download)

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Book Synopsis TCO CTNS Certified Telecommunications Network Specialist Study Guide by : Eric Coll

Download or read book TCO CTNS Certified Telecommunications Network Specialist Study Guide written by Eric Coll and published by Teracom Training Institute. This book was released on 2021-05-06 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is the study guide and textbook for the TCO Certified Telecommunications Network Specialist (CTNS) Certification, conforming to the lessons in the eight CTNS courses and their exams: 2241 Introduction to Broadband Converged IP Telecom 2206 Wireless Telecommunications 2221 Fundamentals of Voice over IP 2201 The PSTN 2212 OSI Layers and Protocol Stacks 2211 LANs, VLANs, Wireless and Optical Ethernet 2213 IP Addresses, Packets and Routers 2214 MPLS and Carrier Networks The selection of material, its order, timing, and explanations are field-tested to deliver the core knowledge set for today’s telecommunications. The courses deliver a solid foundation of knowledge in broadband, telecom, datacom and networking: the fundamentals, technologies, jargon and buzzwords, standard practices and most importantly, the underlying ideas, and how it all fits together… with TCO Certification to prove it! The first four CTNS courses are on telecommunications, beginning with Introduction to Broadband Converged IP Telecom, an introduction and first pass through all of the topics; followed by Wireless Telecommunications, then Introduction to Voice over IP, and The PSTN. The second half of CTNS is four courses focusing on the three main enabling technologies for the modern telecom network: Ethernet, IP and MPLS. We begin with the OSI model and its Layers to establish a framework for understanding what each does and how they work together... and all the other things that have to be done. This book is intended to enhance your learning and retention while taking the online courses. It is also useful as a day-to-day reference handbook and glossary. Our goal is to explain the big picture, the jargon and buzzwords, and put in place a very solid base of telecom knowledge spanning fundamentals to the latest technologies and how they are deployed – in plain English. Let's get started!