1. المقدمة
This manual provides foundational information and guidance for the 7th Edition of "Computer Networking: A Top-Down Approach" by James Kurose and Keith Ross. This textbook is designed for courses in networking and communications, offering a comprehensive understanding of computer networks through a layered, top-down methodology.
The text progresses from the application layer down to the physical layer, introducing key concepts early to engage readers. It focuses on the Internet and fundamental networking principles, providing a solid basis for students in computer science and electrical engineering without requiring extensive programming or advanced mathematical knowledge. The 7th Edition incorporates recent advancements in networking technology and theory.
2. Key Features and Approach
- Top-Down Layered Approach: The book structures its content by starting with the application layer and moving downwards, which helps in understanding complex networking concepts by first grasping their practical implications.
- Internet-Centric Focus: Emphasizes the architecture and protocols of the Internet, providing relevant and current exampليز.
- إمكانية الوصول: Written to be accessible to students with varying backgrounds, minimizing prerequisites in programming and advanced mathematics.
- Updated Content: The 7th Edition includes updates reflecting significant and recent developments in the field of computer networking.

Figure 1: Front cover of the textbook, displaying the title "Computer Networking: A Top-Down Approach, Seventh Edition" with authors Kurose and Ross.
3. About the Authors
James Kurose: Distinguished University Professor of Computer Science at the University of Massachusetts, Amherst. He has received numerous awards for his educational contributions and research in network protocols, architecture, measurement, sensor networks, multimedia communication, and performance evaluation. Dr. Kurose is a Fellow of the IEEE and ACM.
Keith Ross: Dean of Engineering and Computer Science at NYU Shanghai and Leonard J. Shustek Chair Professor at NYU. His research interests include security and privacy, social networks, peer-to-peer networking, Internet measurement, video streaming, and content distribution networks. Professor Ross is an ACM Fellow and an IEEE Fellow.

Figure 2: Back cover of the textbook, showing ISBN details and publisher information.
4. المواصفات
| يصف | التفاصيل |
|---|---|
| ASIN | 0133594149 |
| الناشر | بيرسون |
| تاريخ النشر | 26 أبريل 2016 |
| طبعة | الرابع |
| لغة | إنجليزي |
| طباعة طول | 864 صفحة |
| رقم الكتاب الدولي المعياري 10 | 9780133594140 |
| رقم الكتاب الدولي المعياري 13 | 978-0133594140 |
| وزن العنصر | 2.8 رطل |
| أبعاد | 7.3 × 1.3 × 9.2 بوصة |
5. الإعداد
This section outlines how to prepare for effective use of the textbook.
5.1. التفتيش الأولي
Upon receiving your copy, inspect the book for any manufacturing defects such as missing pages, incorrect binding, or printing errors. If any issues are found, contact your retailer or the publisher for a replacement.
5.2. Accessing Online Resources
Many textbooks, including this one, may offer supplementary online materials such as practice problems, animations, or additional readings. Refer to the preface or an introductory chapter for instructions on how to access these resources, which often require a registration code provided with new copies of the book.
6. Operating (Effective Study Methods)
To maximize your learning experience with "Computer Networking: A Top-Down Approach," consider the following study strategies:
- اقرأ بنشاط: Do not just skim the text. Engage with the material by highlighting key concepts, taking notes, and attempting to explain ideas in your own words.
- Utilize End-of-Chapter Exercises: The book includes exercises and problems designed to reinforce understanding. Work through these to test your comprehension and application of the concepts.
- Review ملخصات الفصول: Each chapter typically concludes with a summary of key points. Use these to consolidate your understanding before moving to the next topic.
- Consult Online Resources: If available, leverage supplementary online materials, such as interactive simulations or additional examples, to deepen your understanding.
- Collaborate: Discuss concepts and problems with peers. Explaining material to others or working through challenges together can enhance learning.
7. الصيانة
Proper care will extend the life and usability of your textbook:
- تخزين: Store the book in a dry place, away from direct sunlight and extreme temperatures, to prevent warping, fading, or damage to the pages and binding.
- التعامل: Handle the book with clean hands to avoid transferring oils or dirt to the pages. Avoid folding pages or placing heavy objects on top of the book when open, as this can damage the spine.
- حماية: Consider using a book cover to protect the exterior from wear and tear, especially if transporting the book frequently.
8. استكشاف الأخطاء وإصلاحها
This section addresses common issues encountered with textbooks.
8.1. Missing or Damaged Pages
If your book contains missing, duplicate, or severely damaged pages that impede readability, contact the retailer or Pearson customer service for assistance. Provide details such as the ISBN and a description of the defect.
8.2. Difficulty Accessing Online Resources
If you encounter issues with registration codes or accessing supplementary online content, verify that you are using the correct website and code. If problems persist, refer to the publisher's support website or contact their technical support department. Ensure your internet connection is stable.
9. الضمان والدعم
As a textbook, "Computer Networking: A Top-Down Approach" typically does not come with an explicit product warranty in the same way electronic devices do. However, publishers generally guarantee the quality of their printed materials.
9.1. Publisher Support
For issues related to manufacturing defects, content errors, or access to digital resources, please contact Pearson Education directly. Their official webموقع، www.pearsonhighered.com, provides contact information and support resources for students and instructors.
9.2. Retailer Return Policy
For returns or exchanges due to damage upon arrival or incorrect orders, refer to the return policy of the retailer from whom the book was purchased.