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Цей курс має на меті детальний огляд принципу роботи комп’ютерних мереж. Ми розглянемо відомості про сучасні мережеві технології, протоколи, хмарні сховища, практичні заходи та способи усунення несправностей у мережі.

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Цей курс має на меті детальний огляд принципу роботи комп’ютерних мереж. Ми розглянемо відомості про сучасні мережеві технології, протоколи, хмарні сховища, практичні заходи та способи усунення несправностей у мережі.

Пройшовши цей курс, ви зможете:

● описати комп’ютерну мережу в контексті п’ятирівневої моделі;

● пояснити принцип роботи всіх стандартних протоколів, пов’язаних зі зв’язком TCP/IP;

● застосовувати потужні інструменти та засоби усунення несправностей у мережі;

● пояснити принцип функціонування мережевих служб, як-от DNS і DHCP, які забезпечують роботу комп’ютерних мереж;

● пояснити принцип хмарних обчислень і знатимете все про сервіси і хмарні сховища.

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What's inside

Syllabus

Організація мереж. Вступ
Вітаємо на курсі "Організація мереж" програми сертифікації фахівців з ІТ-підтримки! На першому тижні цього курсу ми розглянемо основні відомості про комп’ютерні мережі. Ми дізнаємося про мережеві моделі TCP/IP та OSI, а також про те, як мережеві рівні взаємодіють між собою. Ми також розглянемо основні відомості про мережеві пристрої, як-от кабелі, концентратори, комутатори, маршрутизатори, сервери та клієнти. Крім того, ми детальніше ознайомимося з фізичним і канальним рівнями мережевої моделі. Пройшовши цей модуль, ви дізнаєтеся, як різні рівні мережевої моделі разом утворюють мережу.
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Мережевий рівень
На другому тижні цього курсу ми детальніше розглянемо мережевий рівень. Ми дізнаємося про схему IP-адресації та про те, як працюють підмережі. Ми розглянемо, як працює інкапсуляція і як протоколи на кшталт ARP дозволяють різним шарам мережі обмінюватися даними. Також ми розглянемо основи маршрутизації, протоколи маршрутизації й те, як працює Інтернет. Пройшовши цей модуль, ви зможете описати схему IP-адресації, виконати двійкове обчислення для опису підмереж та зрозумієте, як працює підмережа й Інтернет.
Транспортний і прикладний рівні
На третьому тижні цього курсу ми розглянемо транспортний і прикладний рівні. Пройшовши цей модуль, ви вмітимете описати порти і роз’єми TCP, визначити різні компоненти заголовка TCP, показати різницю між протоколами, орієнтованими на з’єднання, і протоколами без з’єднання, а також пояснити, як TCP використовується для забезпечення цілісності даних.
Мережеві послуги
На четвертому тижні цього курсу ми ознайомимося з мережевими послугами. Ми дізнаємося, навіщо потрібен DNS і як він працює. Ми також покажемо вам, чому DHCP спрощує адміністрування мережі. Пройшовши цей модуль, ви зможете описати, як працюють протоколи DNS і DHCP, як технології NAT допомагають захищати мережі, а також як VPN і проксі-служби допомагають користувачам безпечно користуватися Інтернетом.
Під’єднання до Інтернету
На п’ятому тижні цього курсу ми досліджуватимемо історію Інтернету, як він розвивався та як працює сьогодні. Ми розглянемо різні способи під’єднання до Інтернету – за допомогою кабелів, а також бездротових, стільникових і навіть оптично-волоконних з’єднань. Пройшовши цей модуль, ви зможете визначити компоненти WAN і окреслити основи функціонування бездротової та стільникової мереж.
Усунення несправностей і майбутнє мереж
Вітаємо! Попереду останній тиждень курсу. На останньому тижні цього курсу ми поміркуємо про майбутнє комп’ютерних мереж. Ми також розглянемо практичні аспекти усунення несправностей у мережі за допомогою основних операційних систем. До кінця цього модуля ви зможете виявити та виправити багато поширених проблем із під’єднанням до мережі за допомогою інструментів, доступних в операційних системах Microsoft Windows, MacOS і Linux.

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Надає глибоке розуміння принципів роботи та компонентів мереж
Висвітлює реальні інструменти та техніки для усунення несправностей у мережі
Охоплює широкий спектр мережевих технологій, протоколів та послуг
Готує до вирішення проблем з підключенням до мережі за допомогою стандартних операційних систем
Дозволяє дослідити історію Інтернету та його архітектуру
Вимагає попередніх знань про комп’ютерні мережі

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Біти і байти комп’ютерної мережі with these activities:
Review OSI model and TCP/IP model
Revisiting material on the OSI model and TCP/IP model prior to starting this course can activate prior knowledge and facilitate deeper comprehension.
Browse courses on OSI Model
Show steps
  • Read through notes or review materials on the OSI Model.
  • Read through notes or review materials on the TCP/IP Model.
  • Complete sample practice problems on OSI and TCP/IP.
Attend a study group or workshop
Engaging with peers in study groups or workshops provides opportunities to discuss topics, share insights, and reinforce your understanding of networking concepts.
Show steps
  • Join a study group or find a mentor through platforms like LinkedIn or Meetup.
  • Regularly attend study sessions or workshops focused on networking topics.
  • Participate actively in discussions, ask questions, and share your perspectives.
Explore Cisco Networking Academy
Cisco Networking Academy provides interactive tutorials and resources on networking fundamentals, helping you solidify your understanding of network concepts.
Browse courses on Networking Fundamentals
Show steps
  • Create an account on Cisco Networking Academy and access the online courses.
  • Follow the guided tutorials on topics such as router and switch configurations.
  • Complete the interactive simulations and quizzes to test your understanding.
Four other activities
Expand to see all activities and additional details
Show all seven activities
IP addressing and subnetting practice
Engaging in practice drills on IP addressing and subnetting strengthens your ability to configure and manage IP networks.
Browse courses on IP Addressing
Show steps
  • Utilize online platforms like Subnetting Practice or IP Subnetting Calculator.
  • Complete practice problems involving IP address assignment, subnet masks, and network identification.
  • Join online forums or study groups to ask questions and engage in discussions on IP addressing.
Design a network topology
Designing a network topology allows you to apply your knowledge of network concepts and gain practical experience in network planning.
Browse courses on Network Design
Show steps
  • Identify the network requirements, including the number of devices, network traffic, and security considerations.
  • Choose appropriate network devices such as routers, switches, and firewalls.
  • Design the network layout, including the physical connections and IP addressing scheme.
  • Create a network diagram using software or online tools to visualize and document your design.
Attend a network troubleshooting workshop
Attending a network troubleshooting workshop allows you to develop practical skills in identifying and resolving network issues in real-time scenarios.
Browse courses on Network Troubleshooting
Show steps
  • Find and register for a network troubleshooting workshop conducted by experts.
  • Actively participate in the workshop, follow the instructions, and ask questions.
  • Practice troubleshooting techniques using simulations or hands-on labs.
Mentor a junior network engineer
Mentoring a junior network engineer enables you to solidify your knowledge by explaining concepts to others and provides valuable experience in leadership and communication.
Show steps
  • Identify a junior network engineer or student who could benefit from your guidance.
  • Establish regular mentoring sessions to provide support and guidance on technical topics.
  • Assign tasks or projects to the mentee to foster practical application of their knowledge.
  • Provide constructive feedback and encouragement to help the mentee grow professionally.

Career center

Learners who complete Біти і байти комп’ютерної мережі will develop knowledge and skills that may be useful to these careers:
Network Administrator
Network Administrators develop, manage, and maintain computer networks. They work on a range of networks, from small office LANs to large, complex WANs. To be successful in this role, you will need to have a strong understanding of networking technologies, including those covered in this course. This course will help you build a foundation in networking, which will be essential for your success as a Network Administrator.
Network Engineer
Network Engineers design, implement, and maintain computer networks. They work on a range of networks, from small office LANs to large, complex WANs. To be successful in this role, you will need to have a strong understanding of networking technologies, including those covered in this course. This course will help you build a foundation in networking, which will be essential for your success as a Network Engineer.
IT Support Specialist
IT Support Specialists provide technical support to computer users. They help users troubleshoot problems with their computers, networks, and software. To be successful in this role, you will need to have a strong understanding of computer hardware and software, including networking technologies. This course will help you build a foundation in networking, which will be essential for your success as an IT Support Specialist.
Systems Administrator
Systems Administrators manage and maintain computer systems, including servers, desktops, and networks. They work in a variety of settings, from small businesses to large corporations. To be successful in this role, you will need to have a strong understanding of computer hardware and software, including networking technologies. This course will help you build a foundation in networking, which will be essential for your success as a Systems Administrator.
Cloud Architect
Cloud Architects design, implement, and manage cloud computing solutions. They work with clients to understand their business needs and develop cloud solutions that meet those needs. To be successful in this role, you will need to have a strong understanding of cloud computing technologies, including networking technologies. This course will help you build a foundation in networking, which will be essential for your success as a Cloud Architect.
Security Analyst
Security Analysts protect computer systems and networks from unauthorized access, use, disclosure, disruption, modification, or destruction. To be successful in this role, you will need to have a strong understanding of computer security technologies, including networking technologies. This course will help you build a foundation in networking, which will be essential for your success as a Security Analyst.
Data Analyst
Data Analysts collect, analyze, and interpret data to help businesses make informed decisions. To be successful in this role, you will need to have a strong understanding of data analysis techniques and technologies, including networking technologies. This course will help you build a foundation in networking, which will be essential for your success as a Data Analyst.
Project Manager
Project Managers plan, execute, and close projects. They work with stakeholders to define project scope, develop project plans, and track project progress. To be successful in this role, you will need to have a strong understanding of project management techniques and technologies, including networking technologies. This course will help you build a foundation in networking, which will be essential for your success as a Project Manager.
Business Analyst
Business Analysts help businesses improve their performance by analyzing their business processes and identifying areas for improvement. To be successful in this role, you will need to have a strong understanding of business analysis techniques and technologies, including networking technologies. This course will help you build a foundation in networking, which will be essential for your success as a Business Analyst.
Database Administrator
Database Administrators manage and maintain databases. They work on a range of databases, from small, single-user databases to large, enterprise-wide databases. To be successful in this role, you will need to have a strong understanding of database management technologies, including networking technologies. This course will help you build a foundation in networking, which will be essential for your success as a Database Administrator.
Web Developer
Web Developers design, develop, and maintain websites. They work on a range of websites, from small, personal websites to large, commercial websites. To be successful in this role, you will need to have a strong understanding of web development technologies, including networking technologies. This course will help you build a foundation in networking, which will be essential for your success as a Web Developer.
Software Engineer
Software Engineers design, develop, and maintain software applications. They work on a range of applications, from small, single-user applications to large, enterprise-wide systems. To be successful in this role, you will need to have a strong understanding of software engineering principles and technologies, including networking technologies. This course will help you build a foundation in networking, which will be essential for your success as a Software Engineer.
Information Security Analyst
Information Security Analysts protect computer systems and networks from unauthorized access, use, disclosure, disruption, modification, or destruction. To be successful in this role, you will need to have a strong understanding of information security technologies, including networking technologies. This course will help you build a foundation in networking, which will be essential for your success as an Information Security Analyst.
Network Security Engineer
Network Security Engineers design, implement, and maintain network security systems. They work to protect networks from unauthorized access, use, disclosure, disruption, modification, or destruction. To be successful in this role, you will need to have a strong understanding of network security technologies, including networking technologies. This course will help you build a foundation in networking, which will be essential for your success as a Network Security Engineer.
Computer Network Architect
Computer Network Architects design and implement computer networks. They work on a range of networks, from small, office LANs to large, complex WANs. To be successful in this role, you will need to have a strong understanding of networking technologies. This course will help you build a foundation in networking, which will be essential for your success as a Computer Network Architect.

Reading list

We've selected eight books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Біти і байти комп’ютерної мережі.
Classic reference on TCP/IP. It provides a detailed explanation of the TCP/IP protocols, including the underlying mechanisms and how they work together. It valuable resource for professionals who need to have a deep understanding of TCP/IP.
Provides a comprehensive overview of computer networking, covering the fundamental concepts, protocols, and technologies. It valuable resource for students and professionals who want to gain a deeper understanding of how computer networks work.
Classic textbook on computer networks. It provides a clear and concise introduction to the subject matter, covering the fundamental concepts, protocols, and technologies. It useful resource for students and professionals who want to learn more about computer networks.
Provides a comprehensive overview of network security. It covers the fundamental concepts, protocols, and technologies, as well as the latest developments in the field.
Provides a comprehensive overview of computer networking, covering the fundamental concepts, protocols, and technologies. It valuable resource for students and professionals who want to gain a deeper understanding of how computer networks work.
Provides a comprehensive overview of web application security. It covers the fundamental concepts, technologies, and tools. It valuable resource for professionals who need to assess and improve the security of web applications.
Comprehensive textbook on data communications and networking. It covers the fundamental concepts, protocols, and technologies, as well as the latest developments in the field. It valuable resource for students and professionals who want to gain a deeper understanding of data communications and networking.
Provides a comprehensive overview of DNS and BIND, the most widely used DNS server software. It valuable resource for professionals who need to manage and troubleshoot DNS.

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