The CWNA: Certified Wireless Network Administrator OfficialStudy Guide: Exam CWNA-106 is the officially endorsed CWNA testprep for the leading wireless certification. Expert authors andCWNEs David D. Coleman and David A. Westcott guide readers throughthe skills and concepts candidates need to know for the exam, usinghands-on methods to convey an in-depth understanding of wirelessnetwork administration. Readers should have a basic knowledge ofRadio Frequency behavior, experience with WLAN hardware peripheralsand protocols, and an interest in designing, installing, andmanaging wireless networks.
Wireless technology is taking over the tech industry, and thedemand for competent, certified professionals is far outpacing thesupply. A CWNA certification denotes advanced-level proficiency inthe field, with a complete understanding of wireless LANcomponents, features, and function—but the only way to passthe exam is to truly understand the material, not just the talkingpoints. The CWNA: Certified Wireless Network AdministratorOfficial Study Guide thoroughly covers each exam objective, andincludes review questions, assessment tests, and exercises to testyour skills. Topics include:Radio Frequency technologies, regulations, and standards802.11 protocolsNetwork implementation and security802.11 RF site surveying
Readers also get access to a suite of study tools including anelectronic test engine with hundreds or practice test questions,electronic flashcards, exercise peripherals, and industry WhitePapers, which serve as valuable backup references. In preparing forthe CWNA-106 exam, the ideal study guide should cover all of theexam topics in depth—CWNA: Certified Wireless NetworkAdministrator Official Study Guide does just that, making it anexcellent, comprehensive study guide.
Each chapter focuses on a specific problem in machine learning, such as classification, prediction, optimization, and recommendation. Using the R programming language, you’ll learn how to analyze sample datasets and write simple machine learning algorithms. Machine Learning for Hackers is ideal for programmers from any background, including business, government, and academic research.Develop a naïve Bayesian classifier to determine if an email is spam, based only on its textUse linear regression to predict the number of page views for the top 1,000 websitesLearn optimization techniques by attempting to break a simple letter cipherCompare and contrast U.S. Senators statistically, based on their voting recordsBuild a “whom to follow” recommendation system from Twitter data
Telecom 101 covers the core knowledge set required in the telecommunications business today: the technologies, the players, the products and services, jargon and buzzwords, and most importantly, the underlying ideas... and how it all fits together.
The course materials for Teracom’s famous Course 101 Telecom, Datacom and Networking for Non-Engineers, augmented with additional topics and bound in this one volume bring you consistency, completeness and unbeatable value.
Our approach can be summed up with a simple philosophy: Start at the beginning. Progress in a logical order. Build one concept on top of another. Finish at the end. Avoid jargon. Speak in plain English.
Bust the buzzwords, demystify jargon, and cut through doubletalk!
Fill gaps and build a solid base of structured knowledge.
Understand how everything fits together.
... knowledge and understanding that lasts a lifetime.
Ideal for anyone needing a book covering all major topics in telecom, data communications, IP and networking… in plain English.
A wealth of clear, concise, organized knowledge, impossible to find in one place anywhere else!
Join thousands of satisfied customers. Get your copy today!
7" x 9" softcover textbook • 488 pages
4th edition • Published March 2016
print ISBN 9781894887038
eBook ISBN 9781894887786
Print quantities are limited. Order today to avoid disappointment.
Your Go-To Telecommunications Resource
Covering all major topics, we begin with the Public Switched Telephone Network (PSTN), then
• progress in a logical order, building one concept on top of another,
• from voice and data fundamentals to digital, packets, IP and Ethernet, VoIP,
• fiber and wireless, DSL and cable, routers and networks, MPLS, ISPs and CDNs,
• and finish with the Brave New World of IP Telecom, where voice, data and video are the same thing.
• An invaluable day-to-day reference handbook
• Learn and retain more reading a hard copy, professionally printed and bound
• Up-to-date: published 2016
• Allows you to study and review topics before attending a course
• An economical and convenient way to self-study
... these are the materials to an instructor-led course that costs $1395 to attend.
• The Certification Study Guide for the prestigious Telecommunications Certification Organization (TCO) Certified Telecommunications Analyst (CTA) telecommunications certification.
Written by our top instructor, Eric Coll, M.Eng., Telecom 101 contain 35 years of knowledge and learning distilled and organized into an invaluable study guide and practical day-to-day reference for non-engineers.
Looking through the chapter list and detailed outline below, you'll see that many chapters of Telecom 101 are like self-contained reference books on specific topics, like the PSTN, IP, LANs, MPLS and cellular.
You can get all of these topics bound in one volume for one low price.
Compare this to hunting down and paying for multiple books by different authors that may or may not cover what you need to know- and you'll agree this is a very attractive deal.
Career- and productivity-enhancing training... an investment that will be repaid many times over.
Telecom 101 is composed of three parts: Fundamentals of Telecommunications, Telecommunications Technologies, and the IP Telecommunications Network.
PART I FUNDAMENTALS OF TELECOMMUNICATIONS
2 FUNDAMENTALS OF TELEPHONY
4 THE TELECOMMUNICATIONS INDUSTRY
We begin with the fundamentals of telephony and the telephone network – the basis for understanding everything else.
First is the Public Switched Telephone Network (PSTN): loops and trunks, circuit-switching, analog, the voiceband and Plain Ordinary Telephone Service (POTS). Plus, new for the fourth edition: Voice over IP (VoIP) is now part of the fundamentals.
Next is switching, starting with traditional telephone switches: Centrex, PBX and PBX trunks, and how that relates to the newer ideas of softswitches, Hosted PBX and SIP trunking.
This part is completed with a chapter on the telecommunications business: Local Exchange Carriers and Inter-Exchange Carriers, ILECs and CLECs, the main players and how carriers interconnect.
PART II TELECOMMUNICATIONS TECHNOLOGIES
6 TRANSMISSION SYSTEMS
7 THE NETWORK CLOUD AND SERVICE PROVISIONING
8 FIBER OPTICS
9 DSL AND CABLE MODEMS: LAST MILE ON COPPER
The second part is devoted to telecommunications technologies: the actual methods used to implement circuits and services.
We begin with digital: what digital is, how voice and video are digitized, and how digitized information is actually transmitted.
The next chapter is transmission systems: the high-capacity systems developed to carry many users’ traffic. This starts with the installed base of channelized systems, the hierarchy of DS0, DS1 and DS3 rates and an overview of T1, T3, SONET and ISDN.
Then our attention turns to the new generation packetized systems, introducing the concepts of overbooking and bandwidth on demand instead of channels, how this is implemented with frames and packets, coexistence and transition from channels to packets.
Then we understand the “Network Cloud”, how services are actually implemented, the three basic types of services and the equipment used for each.
Completing this part are chapters on the technologies used to implement the network:
Fiber Optics, including fundamentals of fiber, wave-division multiplexing, the network core, Metropolitan Area Networks, Passive Optical Networks and fiber to the premise.
Last Mile on Copper: DSL and Cable Modems, including fundamentals of modems, DSLAMs, VDSL, broadband and cable modems.
Wireless, concentrating on mobile communications: cellular and mobility concepts, the technologies TDMA, CDMA and OFDM, the generations from 1G to 4G, and the systems GSM, UMTS, 1X and LTE. This chapter is completed with WiFi and satellite.
PART III THE IP PACKET-SWITCHED TELECOM NETWORK (IP-PSTN)
11 "DATA" COMMUNICATIONS CONCEPTS
12 CODING, FRAMES AND PACKETS
13 THE OSI LAYERS AND PROTOCOL STACKS
14 ETHERNET, LANS AND VLANS
15 IP NETWORKS, ROUTERS AND ADDRESSES
16 MPLS AND CARRIER NETWORKS
17 THE INTERNET
18 WRAPPING UP
The third part of Telecom 101 is dedicated to the new-generation IP telecommunications network.
We begin by understanding how convergence was achieved by treating voice and video like data – then accordingly, cover the fundamentals of what used to be called “data communications”: DTEs, DCEs, LANs and WANs and the crucial concepts of packets and frames.
There are so many functions that need to be performed to implement phone calls, television, web browsing, email and everything else over the IP network, a structure is necessary to be able to identify and discuss separate issues separately. For this purpose, there is a chapter on the OSI Reference Model and its layers, identifying what the layers are, examples of protocols for each layer and how they work together in a protocol stack.
Then we begin moving up the layers. The next chapter is on Ethernet, LANs and VLANs (Layer 2), including MAC addresses and MAC frames, LAN cables, Optical Ethernet, LAN switches and how VLANs are used to separate traffic.
The next chapter is all about IP (Layer 3): how routers implement the network, routing tables, IP addresses, subnets, IPv4 address classes, static addresses, dynamic addresses and DHCP; public addresses, private addresses and NAT; and an overview of IP version 6.
On a real-world telecom network, a traffic management system is required. This is implemented with a technique called in general virtual circuits, and in particular with MPLS. The next chapter in the book covers the fundamentals, briefly reviews legacy technologies X.25, Frame Relay and ATM, then focuses on MPLS and how it is used to implement VPNs, Class of Service, service integration and traffic aggregation.
The last main chapter is on the Internet: its origins, what an ISP is and how an ISP connects to the rest of the Internet via transit and peering, the web, the Domain Name System, HTML and HTTP, SSL, MIME and base- 64 encoding for email, Internet telephony and Internet VPNs vs. business customer “MPLS service”.
The final chapter is a summary and wrap-up, covering technology deployment from the top down, useful reference charts listing all of the technologies, standard network designs and ending with a look at The Future.
Telecommunications technology is in constant change – and some technologies that used to be of prime importance are not so important today, and so have been moved from the main part of the book into appendices.
The very last part of the book provides a comprehensive list decoding mainstream acronyms and abbreviations used in telecom.
A ALL ABOUT T1
B LEGACY VOICE SERVICES AND JARGON
C ACRONYMS AND ABBREVIATIONS
7" x 9" softcover textbook • 488 pages
4th edition • Published March 2016
print ISBN 9781894887038
eBook ISBN 9781894887786
Get your copy today!
Ideal for developers who have little or no Android experience but have basic Java experience, this tutorial teaches through carefully structured exercises that address the entire development process. Leading Android developers James Talbot and Justin McLean guide you through building a real biking mobile app that can handle everything from mileage tracking to route planning. Each chapter builds your knowledge, step-by-step, and in the end you will have a complete, working app.
Along the way, you’ll gain hands-on experience with writing code that can run on the widest spectrum of devices while still leveraging Android’s newest features. You’ll also discover proven solutions for the occasionally messy realities of Android development, from inaccurate sensor data to inadequate device battery life–pitfalls that most other Android books ignore.
Learn how toSet up your Android development environment on Windows or Mac operating systems Quickly create a simple, working app that demonstrates basic Android principles Master core building blocks, such as Activities, Intents, Services, and Resources Build a functional user interface, and then make it more intuitive and usable Professionally style your Android app Make your app location-aware Integrate social networking features Build highly efficient threaded apps Integrate database support to read and write data Make your app run faster, while using less memory and power Efficiently test and debug your app Easily internationalize your app for multiple countries and languages Sell your app through Google Play and the Amazon AppStore
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