Computer Networking First-Step
暫譯: 計算機網路入門

Wendell Odom

Computer Networking First-Step
  • 出版商: Cisco Press
  • 出版日期: 2004-04-21
  • 售價: $1,520
  • 貴賓價: 9.5 折 $1,444
  • 語言: 英文
  • 頁數: 560
  • 裝訂: Paperback
  • ISBN: 1587201011
  • ISBN-13: 9781587201011
  • 相關分類: Computer-networks

    • 海外代購書籍(需單獨結帳)

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商品描述

Your first step into the world of computer networking

  • No experience required
  • Includes clear and easily understood explanations
  • Makes learning easy

The best-selling introductory networking author

Your first step to computer networking begins here!

  • Learn basic networking terminology
  • Understand how information is routed from place to place
  • Explore Internet connectivity secrets
  • Protect your computer from intrusion
  • Build local-area networks (LANs)

Welcome to the world of networking!
Networking and the Internet touch our lives in untold ways every day. From connecting our computers together at home and surfing the net at high speeds to editing and sharing digital music and video, computer networking has become both ubiquitous and indispensable.

No experience needed!
Computer Networking First-Step explains the basics of computer networking in easy-to-grasp language that all of us can understand. This book takes you on a guided tour of the core technologies that make up network and Internet traffic. Whether you are looking to take your first step into a career in networking or are interested in just gaining a conversational knowledge of the technology, this book is for you!

Table of Contents：

I. NETWORKING BASICS.

1. What Is a Network?

No, Really, What Is a Network? What an Elephant-err, a Network-Looks Like. Three Blind Men-The Server Guy, the Cabling Guy, and the Network Guy. Different Types of Traditional Computer Networks. Big Company, Multiple Sites: An Enterprise WAN. Just You and Me and the Whole World-The Internet. Chapter Summary. Chapter Review Questions.

2. A Network's Reason for Existence.

Using the Network by Accident. Using the Network on Purpose. Web Browsing. Electronic Mail (E-Mail). Downloading and Transferring Files. Chapter Summary. Chapter Review Questions.

3. Building a Network: It All Starts with a Plan.

Conforming to the Rules. Rules, Schmools for Networking. Examples of Good Rules for Networking. The Book(s) of Rules. Proprietary Network Models Prevent Pervasive Population of Networking Devices. Public Network Models Provide Pervasively Popular Networks. How TCP/IP Standards Grow. Some Pretty Popular TCP/IP Protocols. TCP/IP Standards That Aren't TCP/IP Standards. How to Eat an Elephant, TCP/IP Style. How to Eat a T-Rex, OSI Style. T-Rex Versus the Elephant. Chapter Summary. Chapter Review Questions.

II. RUNNING THE LOCAL DEPARTMENT OF (NETWORK) TRANSPORTATION.

4. How to Build a Local (Network) Roadway.

Driving Bits Across the Network Roadway. What's a Local-Area Network? Transmitting Bits Across the Local Network Roadway. Sharing the Local Roadway: Ethernet Hubs. Dirt Roads Versus the DOT. Chapter Summary. Chapter Review Questions.

5. Rules of the Road: How to Use the Local (Network) Roadway.

Preparing for a Trip: How to Make Your Car (Data) "Street Legal". LAN-Legal Data: An Ethernet Frame. Driving Where I Want and When I Want Is Pretty Cool. Why Wrecks (Collisions) Happen on Ethernet. How to Avoid Most Wrecks. What to Do When a Wreck Happens. Stopping at the Destination: What Happens When Someone Comes to See You. Are They Coming to Our House or the Neighbor's House? Who Is It, Honey? I Don't Understand a Thing You're Saying. Two Standards for Ethernet. Chapter Summary. Chapter Review Questions.

6. Reducing Congestion and Driving Faster on the Local (Network) Roadway.

Reducing Congestion by Opening Up More Lanes on Each LAN. Hubs: A One-Lane Road. Switches: How to Create Dozens of Lanes on the LAN. The Perfect Roadway: No Wrecks Allowed! Using Full Duplex: Making the Streets Two Way. Switches: The Rest of the Story. Painting the Road Signs: Learning MAC Addresses. The Forward Versus Filter Decision. What to Do When the Road Sign (Address Table) Doesn't List Your Destination. How to Go Everywhere at the Same Time. Summary of Switch Logic. I Feel the Need, the Need for Speed. A New, Improved, and Faster Ethernet-Let's Call It Fast Ethernet. If Fast Ethernet Is Good, Even Faster Is Better: Gigabit Ethernet. Ultra Super-Fast Fast Ethernet: 10 Gigabit Ethernet. Summary of Ethernet Speeds. A Switch for All Speeds. Chapter Summary. Chapter Review Questions.

7. Adding Local (Network) Roadways for No Extra Money.

The Physical Reality Precedes the Virtual Reality. Physical LANs: It's All About Broadcasts. Master of Your Own (Broadcast) Domain. Multiple Physical LANs Require Multiple Switches. Virtual (LAN) Reality: One Switch, but Multiple LANs. How to Create a Virtual LAN. Why You Need More Than One LAN. Packing Your VLAN's Frames in a Trunk When Leaving the Switch. How to Pack Your Trunk for the Trip to the Other Switch. Tale of Two Trunking Protocols. Chapter Summary. Chapter Review Questions.

III. SHIPPING AND LOGISTICS: COMMERCE USING THE (NETWORK) ROADWAYS.

8. Shipping Goods over a (Network) Roadway.

Neither Rain, Nor Sleet, Nor Dark of Night: E-Mail. Dropping Off and Getting Your (e)Mail. Postal Address Versus E-Mail Address. Rules, Schmools: Even More Rules? Building a Centralized Warehouse: File Transfer. Warehouse Lingo and Procedures. Rules, Schmools for FTP. Browsing Around the Internet Shopping Mall: The World Wide Web. Rules, Schmools for Web Retailing. Buy One, Get a Bunch for Free. Chapter Summary. Chapter Review Questions.

9. Choosing Shipping Options When Transporting the Goods over the (Network) Roadway.

"Hello, I'm at Your Service". Full-Service Shipping. Shipping Basics: Controlling Shipments Using Shipping Labels. Purchasing Insurance for Your (Network) Shipment. Big Box, Small Truck-What Do You Do? Why Three Smaller Segments Is Better Than One Big Segment. My Little White Lie About Acknowledgments. Delivering the Package to the Right Person, Not Just the Right Address. The Chicken, the Egg, and the Destination Port of the First Segment. Starting Off on the Right Foot Using a TCP Connection. Chapter Summary. Chapter Review Questions.

IV. NAVIGATING THE ROADWAYS TO FIND THE RIGHT STREET ADDRESS.

10. Delivering the Goods to the Right Street (IP) Address.

Navigation Basics: Driving to the Right Destination. IP as the Postmaster General of the Network. Knowing the Address Before Driving to the Destination. Putting a Name on the Shipping Label. How to Run a (Network) Postal Service. One Location, One Zip Code, One Network Number. Three Sizes Fit All. The Actual Class A, B, and C Network Numbers. Subdividing a Network into Subnets. The Problem: Wasting IP Host Addresses. The Solution: Subnetting Saves IP Host Addresses. Chapter Summary. Chapter Review Questions.

11. Knowing Where to Turn at Each Intersection (Router).

A Short Trip from Your House (PC) to the Local Store (Server). Overview of the End-to-End Routing Process. Step 1: Leaving Your Neighborhood the Same Way, Every Time. Step 2: Choosing Which Road to Take at the First Intersection. Step 3: Choosing Which Road to Take at the Final Intersection. The Still Useful, but Still Short Life of an Ethernet Frame. The Routing Table at R2: Same Destination, Different Forwarding Instructions. Yet Another Short-Lived Ethernet Frame. Other Rules of the Road. Routing with Subnets. How to Drive When You Aren't Leaving the Neighborhood (Subnet). Chapter Summary. Chapter Review Questions.

12. Painting the Road Signs on Your Interstate (Internetwork).

Routing to Nearby Places. Painting Road Signs and Other Long-Lasting Directions. Dynamically Learning and Changing Routing Tables. Picking the Best Road (Route). Introducing the Long List of Routing Protocols. Chapter Summary. Chapter Review Questions.

13. People Like Names, but Computers Like Numbers.

Looking Up the Name and Number in the Phone Book (Host Table). Asking Someone Else to Look Up the Phone Number (IP Address) for You. Asking for Name Resolution Help Inside the Company. Asking for Name Resolution Help Outside the Company. How Names Should Be Formatted. Chapter Summary. Chapter Review Questions.

V. BUILDING AN INTERSTATE (INTER-LAN) HIGHWAY SYSTEM.

14. Leasing a (Network) Roadway Between Two Points.

Leasing the Cable When You Can't Run the Cable. You Can't Lease the Cross-Over Cable, So Lease Something Almost Just Like It. Differences Between a Cross-Over Cable and a Leased Circuit. A WAN Link Installation Plan. Routers and WANs: A Match Made in Heaven. You Can't Just Send Data; You Have to Send a Frame. Addressing on WAN Serial Links. The Choice of Two Data Link Protocols. Chapter Summary. Chapter Review Questions.

15. Leasing a (Network) Roadway Between Lots of Places.

Making the Telco Look Like One Big Whopping Switch. Cabling a Router to the Big Frame Relay Switch. Basic Logic Used by the Big Whopping Frame Relay Switch. If Two Sites Are Good, Three (or More) Must Be Better. It's Virtually Like a Leased Circuit, So Let's Call It a Virtual Circuit. Faster, Cheaper, Better-You Can't Go Wrong with Frame Relay. You Can Still Use Serial Links, but It Will Cost You Up Front. Get Your Free Bandwidth Here!Free Bits! Routers and WANs: Still a Match Made in Heaven. You Can't Just Send Data-You Have to Send a Frame Relay Frame. Addressing Is Much More Interesting on Frame Relay Than on Serial Links. Chapter Summary. Chapter Review Questions.

16. Driving from Home onto the Globally Interconnected(Internet) Roadway.

Once on the Interstate (Internet), You Can Go Anywhere. Using a Phone Line for Data. Making Data Sound Like Voice. What Phones Do for Voice, Modems Do for Data. How Fast Can You Talk? Calling the Internet!Calling the Internet! Now That I Know How to Talk, Whom Should I Call? Now That I Know Whom to Call, What Do I Say? Using the Phone Line for Data-the DSL Way. Dr Analog Voice and Mr Hiding Digital. Faster Is Better. Sending Data from Home Without Using a Phone Line. Chapter Summary. Chapter Review Questions.

VI. SECURING THE NETWORK.

17. Accepting the Right People and Rejecting the Wrong People.

Safe Driving by Using AAA. Checking for Fake Drivers' (Users') Licenses. Hey! How Did You Get in Here? Checking the License to Find Out if He Can Drive That Kind of Vehicle. Tracking Drivers' (Users') Violations. Making Sure (Internet) Drivers Have Valid Drivers' Licenses. No Appls Yet? Be a Good CHAP and Ask PAP. Stopping Someone from Using Your License (Password). You're Wearing Your Credit Card Number on Your T-Shirt. Chapter Summary. Chapter Review Questions.

18. Keeping a Watchful Eye Over Who Drives into Your (Network) Neighborhood.

Setting the Ground Rules. Enforcing the Ground Rules. Ways to Watch Your (Network) Neighborhood. Deciding When to Stop the Traffic. Safe Places Outside of Your Neighborhood (Network). Using the Police to Watch for Bad Guys. Watching for Wolves in Sheep's Clothing. Avoiding Catching Cold. Profiling What the Bad Guys Want to Do. Chapter Summary. Chapter Review Questions.

VII. APPENDIXES.

Appendix A: Answers to Chapter Review Questions.
Appendix B: Converting IP Addresses Between Decimal and Binary.
Glossary.

商品描述(中文翻譯)

您的第一步進入電腦網路的世界
- 不需要任何經驗
- 包含清晰且易於理解的解釋
- 讓學習變得簡單

暢銷的入門網路書籍作者

您的電腦網路之旅從這裡開始！
- 學習基本的網路術語
- 了解資訊如何從一個地方路由到另一個地方
- 探索網際網路連接的秘密
- 保護您的電腦免受入侵
- 建立區域網路 (LAN)

歡迎來到網路的世界！
網路和網際網路以無數的方式影響著我們的生活。從在家中連接電腦和高速上網，到編輯和分享數位音樂和影片，電腦網路已經變得無處不在且不可或缺。

不需要任何經驗！
《電腦網路入門》用易於理解的語言解釋了電腦網路的基本概念，讓我們都能理解。這本書帶您參觀構成網路和網際網路流量的核心技術。無論您是想在網路領域開啟職業生涯，還是僅僅對這項技術有興趣，這本書都適合您！

### 目錄：

**I. 網路基礎**
1. 什麼是網路？
- 不，真的，什麼是網路？一隻大象——呃，網路——的樣子。三位盲人——伺服器人、布線人和網路人。不同類型的傳統電腦網路。大公司，多個地點：企業 WAN。只有你和我以及整個世界——網際網路。章節摘要。章節回顧問題。

2. 網路存在的理由。
- 偶然使用網路。故意使用網路。網頁瀏覽。電子郵件 (E-Mail)。下載和傳輸檔案。章節摘要。章節回顧問題。

3. 建立網路：一切從計畫開始。
- 遵循規則。網路的規則，什麼規則。良好網路規則的範例。規則的書。專有網路模型防止網路設備的普及。公共網路模型提供普遍受歡迎的網路。TCP/IP 標準的成長。一些相當受歡迎的 TCP/IP 協定。不是 TCP/IP 標準的 TCP/IP 標準。如何以 TCP/IP 風格吃大象。如何以 OSI 風格吃 T-Rex。T-Rex 與大象。章節摘要。章節回顧問題。

**II. 運行本地 (網路) 運輸部門**
4. 如何建立本地 (網路) 道路。
- 在網路道路上傳送位元。什麼是區域網路？在本地網路道路上傳送位元。共享本地道路：以太網集線器。土路與交通部。章節摘要。章節回顧問題。

5. 道路規則：如何使用本地 (網路) 道路。
- 準備旅行：如何讓您的車 (數據) “合法上路”。LAN 合法數據：以太網幀。隨心所欲的駕駛真是太酷了。為什麼以太網上會發生碰撞。如何避免大多數碰撞。碰撞發生時該怎麼辦。到達目的地：當有人來看您時會發生什麼。是來我們家還是鄰居家？親愛的，這是誰？我完全聽不懂你在說什麼。以太網的兩個標準。章節摘要。章節回顧問題。

6. 減少擁堵並在本地 (網路) 道路上更快駕駛。
- 通過在每個 LAN 上開放更多車道來減少擁堵。集線器：單車道。交換機：如何在 LAN 上創建數十條車道。完美的道路：不允許發生碰撞！使用全雙工：讓街道雙向。交換機：其餘的故事。繪製路標：學習 MAC 地址。轉發與過濾的決策。當路標 (地址表) 沒有列出您的目的地時該怎麼辦。如何同時去任何地方。交換邏輯摘要。我感受到速度的需求。新、改進且更快的以太網——我們稱之為快速以太網。如果快速以太網不錯，更快的更好：千兆以太網。超級快速的快速以太網：10 千兆以太網。以太網速度摘要。適用於所有速度的交換機。章節摘要。章節回顧問題。

7. 為無額外費用添加本地 (網路) 道路。
- 實體現實先於虛擬現實。實體 LAN：一切都與廣播有關。掌控自己的 (廣播) 領域。多個實體 LAN 需要多個交換機。虛擬 (LAN) 現實：一個交換機，但多個 LAN。如何創建虛擬 LAN。為什麼您需要不止一個 LAN。當離開交換機時，將 VLAN 的幀打包到幹道中。如何為前往另一個交換機的旅行打包您的幹道。兩個幹道協定的故事。章節摘要。章節回顧問題。

**III. 運輸與物流：使用 (網路) 道路的商業**
8. 通過 (網路) 道路運送貨物。
- 不論是雨、雪或黑夜：電子郵件。投遞和接收您的 (e) 郵件。郵寄地址與電子郵件地址。規則，什麼規則：還有更多規則嗎？建立集中式倉庫：檔案傳輸。倉庫術語和程序。FTP 的規則，什麼規則。瀏覽網際網路購物中心：全球資訊網。網路零售的規則，什麼規則。買一個，免費獲得一堆。章節摘要。章節回顧問題。

9. 選擇運輸選項以運送貨物通過 (網路) 道路。
- “你好，我在這裡為您服務”。全方位服務運輸。運輸基礎：使用運輸標籤控制貨物。為您的 (網路) 運輸購買保險。大箱子，小卡車——該怎麼辦？為什麼三個小段比一個大段更好。關於確認的我的小白謊言。將包裹送到正確的人，而不僅僅是正確的地址。雞、蛋和第一段的目的地港口。使用 TCP 連接正確開始。章節摘要。章節回顧問題。

**IV. 尋找正確街道地址的導航**
10. 將貨物送到正確的街道 (IP) 地址。
- 導航基礎：駕駛到正確的目的地。IP 作為網路的郵政總局。在駕駛到目的地之前知道地址。在運送標籤上寫上名字。如何運行 (網路) 郵政服務。一個位置、一個郵遞區號、一個網路號碼。三種尺寸適合所有。實際的 A、B 和 C 類網路號碼。將網路細分為子網。問題：浪費 IP 主機地址。解決方案：子網劃分節省 IP 主機地址。章節摘要。章節回顧問題。

11. 知道在每個交叉路口 (路由器) 轉彎的地方。
- 從您的家 (PC) 到當地商店 (伺服器) 的短途旅行。端到端路由過程概述。步驟 1：每次都以相同的方式離開您的社區。步驟 2：在第一個交叉路口選擇哪條路。步驟 3：在最後一個交叉路口選擇哪條路。以太網幀的短暫生命。R2 的路由表：相同的目的地，不同的轉發指令。又一個短命的以太網幀。其他道路規則。使用子網進行路由。當您不離開社區 (子網) 時該如何駕駛。章節摘要。章節回顧問題。

12. 在您的州際 (互聯網) 上繪製路標。
- 路由到附近的地方。繪製路標和其他持久的方向。動態學習和變更路由表。選擇最佳路徑 (路由)。介紹長長的路由協定清單。章節摘要。章節回顧問題。

13. 人們喜歡名字，但電腦喜歡數字。
- 在電話簿 (主機表) 中查找名稱和號碼。請別人幫您查找電話號碼 (IP 地址)。在公司內部請求名稱解析幫助。在公司外部請求名稱解析幫助。名稱應如何格式化。章節摘要。章節回顧問題。

**V. 建立州際 (互 LAN) 高速公路系統**
14. 在兩個點之間租用 (網路) 道路。
- 當您無法鋪設電纜時租用電纜。您無法租用交叉電纜，因此租用幾乎相似的東西。交叉電纜和租用電路之間的差異。WAN 連接安裝計畫。路由器和 WAN：天作之合。您不能僅僅發送數據；您必須發送幀。WAN 串行連接的地址。兩種數據鏈路協定的選擇。章節摘要。章節回顧問題。

15. 在許多地方之間租用 (網路) 道路。
- 讓電信公司看起來像一個大型交換機。將路由器連接到大型幀中繼交換機。大型幀中繼交換機使用的基本邏輯。如果兩個站點很好，三個（或更多）一定更好。這幾乎就像租用電路，所以我們稱之為虛擬電路。更快、更便宜、更好——使用幀中繼不會錯。您仍然可以使用串行連接，但這會讓您前期付費。在這裡獲取免費帶寬！免費位元！路由器和 WAN：仍然是天作之合。您不能僅僅發送數據——您必須發送幀中繼幀。在幀中繼上，地址比在串行連接上有趣得多。章節摘要。章節回顧問題。

16. 從家裡駛入全球互聯 (網際網路) 道路。
- 一旦上了州際 (網際網路)，您可以去任何地方。使用電話線傳輸數據。讓數據聽起來像聲音。電話為聲音所做的，調製解調器為數據所做的。您能多快說話？撥打網際網路！撥打網際網路！現在我知道如何說話，我該打給誰？現在我知道該打給誰，我該說什麼？使用電話線傳輸數據——DSL 方式。模擬聲音的阿爾卡特博士和隱藏數位的隱士。更快更好。從家中發送數據而不使用電話線。章節摘要。章節回顧問題。

**VI. 確保網路安全**
17. 接受

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