Learn How To Network

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Network Warrior

Author : Gary A. Donahue
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1449309356
Total Pages : 788 pages
Book Rating : 4.4/5 (493 download)

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Book Synopsis Network Warrior by : Gary A. Donahue

Download or read book Network Warrior written by Gary A. Donahue and published by "O'Reilly Media, Inc.". This book was released on 2011-05-13 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pick up where certification exams leave off. With this practical, in-depth guide to the entire network infrastructure, you’ll learn how to deal with real Cisco networks, rather than the hypothetical situations presented on exams like the CCNA. Network Warrior takes you step by step through the world of routers, switches, firewalls, and other technologies based on the author's extensive field experience. You'll find new content for MPLS, IPv6, VoIP, and wireless in this completely revised second edition, along with examples of Cisco Nexus 5000 and 7000 switches throughout. Topics include: An in-depth view of routers and routing Switching, using Cisco Catalyst and Nexus switches as examples SOHO VoIP and SOHO wireless access point design and configuration Introduction to IPv6 with configuration examples Telecom technologies in the data-networking world, including T1, DS3, frame relay, and MPLS Security, firewall theory, and configuration, as well as ACL and authentication Quality of Service (QoS), with an emphasis on low-latency queuing (LLQ) IP address allocation, Network Time Protocol (NTP), and device failures

Learn Cisco Network Administration in a Month of Lunches

Author : Ben Piper
Publisher : Simon and Schuster
ISBN 13 : 1638351376
Total Pages : 446 pages
Book Rating : 4.6/5 (383 download)

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Book Synopsis Learn Cisco Network Administration in a Month of Lunches by : Ben Piper

Download or read book Learn Cisco Network Administration in a Month of Lunches written by Ben Piper and published by Simon and Schuster. This book was released on 2017-05-01 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary Learn Cisco Network Administration in a Month of Lunches is a tutorial designed for beginners who want to learn how to administer Cisco switches and routers. Just set aside one hour a day (lunchtime would be perfect) for a month, and you'll start learning practical Cisco Network administration skills faster than you ever thought possible. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the Technology Cisco's ultrareliable routers and switches are the backbone of millions of networks, but "set and forget" is not an acceptable attitude. Fortunately, you don't have to be an old-time administrator to set up and maintain a Cisco-based network. With a handful of techniques, a little practice, and this book, you can keep your system in top shape. About the Book Learn Cisco Network Administration in a Month of Lunches is designed for occasional and full-time network administrators using Cisco hardware. In 22 bite-sized lessons, you'll learn practical techniques for setting up a Cisco network and making sure that it never fails. Real-world labs start with configuring your first switch and guide you through essential commands, protocols, dynamic routing tricks, and more. What's Inside Understand your Cisco network, including the difference between routers and switches Configure VLANs and VLAN trunks Secure your network Connect and configure routers and switches Establish good maintenance habits About the Reader This book is written for readers with no previous experience with Cisco networking. About the Author Ben Piper is an IT consultant who holds numerous Cisco, Citrix, and Microsoft certifications including the Cisco CCNA and CCNP. He has created many video courses on networking, Cisco CCNP certification, Puppet, and Windows Server Administration. Table of Contents Before you begin What is a Cisco network? A crash course on Cisco's Internetwork Operating System Managing switch ports Securing ports by using the Port Security feature Managing virtual LANs (VLANs) Breaking the VLAN barrier by using switched virtual interfaces IP address assignment by using Dynamic Host Configuration Protocol Securing the network by using IP access control lists Connecting switches using trunk links Automatically configuring VLANs using the VLAN Trunking Protocol Protecting against bridging loops by using the Spanning Tree Protocol Optimizing network performance by using port channels Making the network scalable by connecting routers and switches together Manually directing traffic using the IP routing table A dynamic routing protocols crash course Tracking down devices Securing Cisco devices Facilitating troubleshooting using logging and debugging Recovering from disaster Performance and health checklist Next steps

Learn How to Network

Author : Elissa Thompson
Publisher : The Rosen Publishing Group, Inc
ISBN 13 : 1725347172
Total Pages : 64 pages
Book Rating : 4.7/5 (253 download)

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Book Synopsis Learn How to Network by : Elissa Thompson

Download or read book Learn How to Network written by Elissa Thompson and published by The Rosen Publishing Group, Inc. This book was released on 2019-12-15 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Who do you know? Who can you help? Networking is not an awkward, adults-only task. It's a way to connect with those around you, and help others as you work toward lifelong career goals. In this insightful and accessible guide, readers will learn the ins and outs of networking, including how to make conversation, how to set up a professional online profile, and how to use who you know to grow your contacts. Teens will be empowered to set goals, think strategically, and get out there to network.

The 20-Minute Networking Meeting - Executive Edition

Author : Marcia Ballinger
Publisher :
ISBN 13 : 9780985910624
Total Pages : 182 pages
Book Rating : 4.9/5 (16 download)

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Book Synopsis The 20-Minute Networking Meeting - Executive Edition by : Marcia Ballinger

Download or read book The 20-Minute Networking Meeting - Executive Edition written by Marcia Ballinger and published by . This book was released on 2012-08-01 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lauded by Fortune 500 and international business leaders around the world, The 20-Minute Networking Meeting is a carefully constructed job-search model designed to break into the "Invisible Job Market," where the U.S. Bureau of Labor Statistics states that over 70% of all jobs are obtained.Using the best elements of networkers from a wide array of businesses and industries, and combined with 40 years of the authors' professional networking experience from a hiring perspective, The 20-Minute Networking Meeting takes the 5 most important parts of networking meeting and culminates in an efficient, concise and highly productive networking model.Chock full of real-world scenarios, short stories, meeting examples, and dozens of tips and observations from hiring authorities and recruiting experts, The 20-Minute Networking Meeting shares the wisdom of senior executives who have been in transition (looking for work), and the perspectives of those who are most asked to network. Constructed to simplify and clarify networking for job-search, The 20-Minute Networking Meeting also contains fully written networking scenarios that show the entire 20MNM model in action, ending with a complete set of "readiness worksheets" that guide the reader through actual networking preparation.Founded on the premises of gratitude, positivity, and reciprocity, The 20-Minute Networking Meeting has found great success in the hands of executives, career coaches, outplacement firms, college graduates, and sales professionals around the globe.

Network Programmability and Automation

Author : Jason Edelman
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1491931310
Total Pages : 586 pages
Book Rating : 4.4/5 (919 download)

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Book Synopsis Network Programmability and Automation by : Jason Edelman

Download or read book Network Programmability and Automation written by Jason Edelman and published by "O'Reilly Media, Inc.". This book was released on 2018-02-02 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt: Like sysadmins before them, network engineers are finding that they cannot do their work manually anymore. As the field faces new protocols, technologies, delivery models, and a pressing need for businesses to be more agile and flexible, network automation is becoming essential. This practical guide shows network engineers how to use a range of technologies and tools—including Linux, Python, JSON, and XML—to automate their systems through code. Network programming and automation will help you simplify tasks involved in configuring, managing, and operating network equipment, topologies, services, and connectivity. Through the course of the book, you’ll learn the basic skills and tools you need to make this critical transition. This book covers: Python programming basics: data types, conditionals, loops, functions, classes, and modules Linux fundamentals to provide the foundation you need on your network automation journey Data formats and models: JSON, XML, YAML, and YANG for networking Jinja templating and its applicability for creating network device configurations The role of application programming interfaces (APIs) in network automation Source control with Git to manage code changes during the automation process How Ansible, Salt, and StackStorm open source automation tools can be used to automate network devices Key tools and technologies required for a Continuous Integration (CI) pipeline in network operations

Hands-On Network Programming with C

Author : Lewis Van Winkle
Publisher : Packt Publishing Ltd
ISBN 13 : 1789344085
Total Pages : 467 pages
Book Rating : 4.7/5 (893 download)

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Book Synopsis Hands-On Network Programming with C by : Lewis Van Winkle

Download or read book Hands-On Network Programming with C written by Lewis Van Winkle and published by Packt Publishing Ltd. This book was released on 2019-05-13 with total page 467 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive guide to programming with network sockets, implementing internet protocols, designing IoT devices, and much more with C Key FeaturesApply your C and C++ programming skills to build powerful network applicationsGet to grips with a variety of network protocols that allow you to load web pages, send emails, and do much moreWrite portable network code for Windows, Linux, and macOSBook Description Network programming enables processes to communicate with each other over a computer network, but it is a complex task that requires programming with multiple libraries and protocols. With its support for third-party libraries and structured documentation, C is an ideal language to write network programs. Complete with step-by-step explanations of essential concepts and practical examples, this C network programming book begins with the fundamentals of Internet Protocol, TCP, and UDP. You'll explore client-server and peer-to-peer models for information sharing and connectivity with remote computers. The book will also cover HTTP and HTTPS for communicating between your browser and website, and delve into hostname resolution with DNS, which is crucial to the functioning of the modern web. As you advance, you'll gain insights into asynchronous socket programming and streams, and explore debugging and error handling. Finally, you'll study network monitoring and implement security best practices. By the end of this book, you'll have experience of working with client-server applications and be able to implement new network programs in C. The code in this book is compatible with the older C99 version as well as the latest C18 and C++17 standards. You'll work with robust, reliable, and secure code that is portable across operating systems, including Winsock sockets for Windows and POSIX sockets for Linux and macOS. What you will learnUncover cross-platform socket programming APIsImplement techniques for supporting IPv4 and IPv6Understand how TCP and UDP connections work over IPDiscover how hostname resolution and DNS workInterface with web APIs using HTTP and HTTPSExplore Simple Mail Transfer Protocol (SMTP) for electronic mail transmissionApply network programming to the Internet of Things (IoT)Who this book is for If you're a developer or a system administrator who wants to get started with network programming, this book is for you. Basic knowledge of C programming is assumed.

A First Course in Network Science

Author : Filippo Menczer
Publisher : Cambridge University Press
ISBN 13 : 1108579612
Total Pages : 275 pages
Book Rating : 4.1/5 (85 download)

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Book Synopsis A First Course in Network Science by : Filippo Menczer

Download or read book A First Course in Network Science written by Filippo Menczer and published by Cambridge University Press. This book was released on 2020-01-30 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: Networks are everywhere: networks of friends, transportation networks and the Web. Neurons in our brains and proteins within our bodies form networks that determine our intelligence and survival. This modern, accessible textbook introduces the basics of network science for a wide range of job sectors from management to marketing, from biology to engineering, and from neuroscience to the social sciences. Students will develop important, practical skills and learn to write code for using networks in their areas of interest - even as they are just learning to program with Python. Extensive sets of tutorials and homework problems provide plenty of hands-on practice and longer programming tutorials online further enhance students' programming skills. This intuitive and direct approach makes the book ideal for a first course, aimed at a wide audience without a strong background in mathematics or computing but with a desire to learn the fundamentals and applications of network science.

Go Pro

Author : Eric Worre
Publisher :
ISBN 13 : 9780988667907
Total Pages : 149 pages
Book Rating : 4.6/5 (679 download)

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Book Synopsis Go Pro by : Eric Worre

Download or read book Go Pro written by Eric Worre and published by . This book was released on 2013 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over twenty years ago, Worre began focusing on developing the skills to become a network marketing expert. Now he shares his wisdom in a guide that will ignite your passion for this profession and help you make the decision to create the life of your dreams. He shows you how to find prospects, present your product, help them become customers or distributors, and much more.

Networking for Beginners

Author : Scott Chesterton
Publisher : Independently Published
ISBN 13 : 9781079138276
Total Pages : 150 pages
Book Rating : 4.1/5 (382 download)

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Book Synopsis Networking for Beginners by : Scott Chesterton

Download or read book Networking for Beginners written by Scott Chesterton and published by Independently Published. This book was released on 2019-07-07 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: **Buy the paperback version of this book and get the kindle book version for FREE** Are you going to start a new professional experience, which requires minimum knowledge of computer networking but you have no specific network awareness?Are you simply curious to know how your different electronic devices work together and which technologies are used to make this happen? Certainly, everyone agrees that the Internet, today, is the most important means of communication, not only for the information you can find on different websites. Think of the various email, chat and video communication tools, now available with extreme ease but with the same reliability, thanks to the Internet. You just need to touch a small button and within a fraction of a second, you can send a message or make a call. What lies behind all this? Nothing other than Computer Networks. Learning how computers connect together is not necessarily intended only for professionals. This book is not going to prepare you to receive any formal certification but by reading it you will no longer be considered as a training novice in this field and that is for sure. Networking for beginners is an easy and complete guide for those beginners willing to know the basics of networking with no high-level paradigms. This book will explain to you in a simple way: How the internet works and what are the basic networking concepts; What are the different types of networking; What are the networking levels, layers and protocols and why they are needed; Interesting final notes on machine learning and on other new crucial technologies. If you are not a Tech guy but you want to start and learn the networking basics in a simple way, scroll up to this page and push the BUY now button.

Impact Networks

Author : David Ehrlichman
Publisher : Berrett-Koehler Publishers
ISBN 13 : 152309169X
Total Pages : 265 pages
Book Rating : 4.5/5 (23 download)

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Book Synopsis Impact Networks by : David Ehrlichman

Download or read book Impact Networks written by David Ehrlichman and published by Berrett-Koehler Publishers. This book was released on 2021-10-12 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical guide shows how to facilitate collaboration among diverse individuals and organizations to navigate complexity and create change in our interconnected world. The social and environmental challenges we face today are not only complex, they are also systemic and structural and have no obvious solutions. They require diverse combinations of people, organizations, and sectors to coordinate actions and work together even when the way forward is unclear. Even so, collaborative efforts often fail because they attempt to navigate complexity with traditional strategic plans, created by hierarchies that ignore the way people naturally connect. By embracing a living-systems approach to organizing, impact networks bring people together to build relationships across boundaries; leverage the existing work, skills, and motivations of the group; and make progress amid unpredictable and ever-changing conditions. As a powerful and flexible organizing system that can span regions, organizations, and silos of all kinds, impact networks underlie some of the most impressive and large-scale efforts to create change across the globe. David Ehrlichman draws on his experience as a network builder; interviews with dozens of network leaders; and insights from the fields of network science, community building, and systems thinking to provide a clear process for creating and developing impact networks. Given the increasing complexity of our society and the issues we face, our ability to form, grow, and work through networks has never been more essential.

Never Eat Alone

Author : Keith Ferrazzi
Publisher : Penguin UK
ISBN 13 : 0241971004
Total Pages : 383 pages
Book Rating : 4.2/5 (419 download)

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Book Synopsis Never Eat Alone by : Keith Ferrazzi

Download or read book Never Eat Alone written by Keith Ferrazzi and published by Penguin UK. This book was released on 2014-06-05 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: An updated and expanded edition of the runaway bestseller Never Eat Alone by Keith Ferrazzi Proven advice on networking for success: over 400,000 copies sold. As Keith Ferrazzi discovered early in life, what distinguishes highly successful people from everyone else is the way they use the power of relationships - so that everyone wins. His form of connecting to the world around him is based on generosity and he distinguishes genuine relationship-building from the crude, desperate glad-handling usually associated with 'networking'. In Never Eat Alone, Ferrazzi lays out the specific steps - and inner mindset - he uses to reach out to connect with the thousands of colleagues, friends, and associates on his Rolodex, people he has helped and who have helped him. He then distills his system of reaching out to people into practical, proven principles. Keith Ferrazzi is founder and CEO of Ferrazzi Greenlight, a marketing and sales consulting company. He is the author of the #1 New York Times bestseller Who's Got Your Back and has been a contributor to Inc., the Wall Street Journal, and Harvard Business Review. Previously, he was CMO of Deloitte Consulting and at Starwood Hotels & Resorts, and CEO of YaYa media. He lives in Los Angeles and New York.

CCNA: Cisco Certified Network Associate

Author : Todd Lammle
Publisher : John Wiley & Sons
ISBN 13 : 9780470258477
Total Pages : 507 pages
Book Rating : 4.2/5 (584 download)

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Book Synopsis CCNA: Cisco Certified Network Associate by : Todd Lammle

Download or read book CCNA: Cisco Certified Network Associate written by Todd Lammle and published by John Wiley & Sons. This book was released on 2008-02-11 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organized by exam objectives, this is a focused, concise review guide that works hand-in-hand with any learning tool, including the Sybex CCNA: Cisco Certified Network Associate Study Guide, 6th and Deluxe editions. The book will consist of four high-level chapters, each mapping to the four main Domains of the exam skill-set. The book will drill down into the specifics of the exam, covering the following: Designing Cisco internetworks Developing an access list Evaluating TCP/IP communication Configuring routers and switches Configuring IP addresses, subnet masks, and gateway addresses Performing LAN, VLAN, and WAN troubleshooting Understanding rules for packet control The interactive CD contains two bonus exams, handy flashcard questions, and a searchable PDF of a Glossary of Terms.

From GSM to LTE-Advanced Pro and 5G

Author : Martin Sauter
Publisher : John Wiley & Sons
ISBN 13 : 1119346908
Total Pages : 544 pages
Book Rating : 4.1/5 (193 download)

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Book Synopsis From GSM to LTE-Advanced Pro and 5G by : Martin Sauter

Download or read book From GSM to LTE-Advanced Pro and 5G written by Martin Sauter and published by John Wiley & Sons. This book was released on 2017-08-02 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comparative introduction to major global wireless standards, technologies and their applications From GSM to LTE-Advanced Pro and 5G: An Introduction to Mobile Networks and Mobile Broadband, 3rd Edition provides technical descriptions of the various wireless technologies currently in use. It explains the rationales behind their differing mechanisms and implementations while exploring the advantages and limitations of each technology. This edition has been fully updated and substantially expanded to reflect the significant evolution in mobile network technology occurring over the past several years. The chapter on LTE has been extensively enhanced with new coverage of current implementations of LTE carrier aggregation, mobility management, cell reselection and handover procedures, as well as the latest developments in 5G radio and core networks in 3GPP. It now features additional information on the TD-LTE air interface, IPv6 in mobile networks, Network Function Virtualization (NFV) and Narrowband Internet of Things (NB-IOT). Voice-over-LTE (VoLTE) is now treated extensively in a separate chapter featuring coverage of the VoLTE call establishment process, dedicated bearer setup, header compression, speech codec and bandwidth negotiation, supplementary service configuration and VoLTE emergency calls. In addition, extensive coverage of Voice-over-Wifi and mission critical communication for public safety organizations over LTE has been added. The WLAN chapter now provides coverage of WPA2-Professional with certificates for authentication in large deployments, such as the global Eduroam network and the new WLAN 60 GHz air interface. Bluetooth evolution has been addressed by including a detailed description of Bluetooth Low Energy (BLE) in the chapter devoted to Bluetooth. Describes the different systems based on the standards, their practical implementation and design assumptions, and the performance and capacity of each system in practice is analyzed and explained Questions at the end of each chapter and answers on the accompanying website make this book ideal for self-study or as course material.

How Computers Really Work

Author : Matthew Justice
Publisher : No Starch Press
ISBN 13 : 171850067X
Total Pages : 394 pages
Book Rating : 4.7/5 (185 download)

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Book Synopsis How Computers Really Work by : Matthew Justice

Download or read book How Computers Really Work written by Matthew Justice and published by No Starch Press. This book was released on 2020-12-29 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: An approachable, hands-on guide to understanding how computers work, from low-level circuits to high-level code. How Computers Really Work is a hands-on guide to the computing ecosystem: everything from circuits to memory and clock signals, machine code, programming languages, operating systems, and the internet. But you won't just read about these concepts, you'll test your knowledge with exercises, and practice what you learn with 41 optional hands-on projects. Build digital circuits, craft a guessing game, convert decimal numbers to binary, examine virtual memory usage, run your own web server, and more. Explore concepts like how to: Think like a software engineer as you use data to describe a real world concept Use Ohm's and Kirchhoff's laws to analyze an electrical circuit Think like a computer as you practice binary addition and execute a program in your mind, step-by-step The book's projects will have you translate your learning into action, as you: Learn how to use a multimeter to measure resistance, current, and voltage Build a half adder to see how logical operations in hardware can be combined to perform useful functions Write a program in assembly language, then examine the resulting machine code Learn to use a debugger, disassemble code, and hack a program to change its behavior without changing the source code Use a port scanner to see which internet ports your computer has open Run your own server and get a solid crash course on how the web works And since a picture is worth a thousand bytes, chapters are filled with detailed diagrams and illustrations to help clarify technical complexities. Requirements: The projects require a variety of hardware - electronics projects need a breadboard, power supply, and various circuit components; software projects are performed on a Raspberry Pi. Appendix B contains a complete list. Even if you skip the projects, the book's major concepts are clearly presented in the main text.

100 Conversations for Career Success

Author : Laura M. Labovich
Publisher : Learning Express (NY)
ISBN 13 : 9781576859056
Total Pages : 0 pages
Book Rating : 4.8/5 (59 download)

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Book Synopsis 100 Conversations for Career Success by : Laura M. Labovich

Download or read book 100 Conversations for Career Success written by Laura M. Labovich and published by Learning Express (NY). This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book helps job seekers manage their day-to-day search and professional networking in-person and online. Job seekers who need this book know they should reach out to business contacts and connect on social media, but don't know how. Scripts and templates teach what to say when contacting people during job searches and showcase various approaches, including details about how to connect in person and via phone, email, and social media sites.

Network Science

Author : Albert-László Barabási
Publisher : Cambridge University Press
ISBN 13 : 1107076269
Total Pages : 477 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Network Science by : Albert-László Barabási

Download or read book Network Science written by Albert-László Barabási and published by Cambridge University Press. This book was released on 2016-07-21 with total page 477 pages. Available in PDF, EPUB and Kindle. Book excerpt: Illustrated throughout in full colour, this pioneering text is the only book you need for an introduction to network science.

Networking For Beginners

Author : Kevin Kali
Publisher :
ISBN 13 : 9781914058455
Total Pages : 186 pages
Book Rating : 4.0/5 (584 download)

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Book Synopsis Networking For Beginners by : Kevin Kali

Download or read book Networking For Beginners written by Kevin Kali and published by . This book was released on 2021-02-09 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: ★ 55% OFF for Bookstores! Now at $ 38.99 instead of $ 45.99 ★ Do you want to learn how to set up a new network? Do you want to learn more about Network Security? If you want to know more about Computer Networking, then keep reading Your Customers Will Never Stop to Read This Awesone Network Security Guide! Computer networking has been around for ages, starting from the wired to the present wireless systems. We have been able to do justice to everything you need to kick start your knowledge of computer networking in this book. Getting familiar with the components and implementing your own networks should come easier. Physical network infrastructures are needed for a Computer Network, which includes but is not limited to; switches, routers, wireless access points, etc. There is also some underlying firmware that makes these infrastructures function correctly. For advanced networks, there is a need for standard protocols, which are designed to perform numerous discrete functions. These protocols are also used to communicate different data types, irrespective of the underlying hardware. For instance, in the telephone system, a voice over IP (VoIP) can bring about the transportation of IP telephony traffic from one point to another, once these points support the protocol. This is also similar to what occurs in the browser, with the HTTP providing portals to accessing webpages. This guide will focus on the following: - Types of computer networking - Components of a network - Mobile networks - Wired network technology - How to automate the network? - Introduction to IP addressing - Packets, frames, and headers - What is the airport extreme? - Information technology vulnerability - Sniffing and spoofing - About CCNA routing and switching... AND MORE! Even if you've never know anything about computer networks in your life, you can learn it just in few days. Buy it NOW and let your customers get addicted to this amazing book