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Este curso foi concebido para proporcionar uma vista geral das redes informáticas. Vamos abordar desde os princípios básicos das tecnologias e protocolos de redes modernos até aplicações práticas e resolução de problemas de rede. Para terminar, vamos abordar o modo como estas informações podem surgir numa entrevista de emprego e dar-lhe algumas sugestões para resolver problemas no local.
No final deste curso, será capaz de:
● Descrever redes informáticas em termos de um modelo de cinco camadas;
● Compreender todos os protocolos padrão envolvidos nas comunicações TCP/IP;
Read more
Este curso foi concebido para proporcionar uma vista geral das redes informáticas. Vamos abordar desde os princípios básicos das tecnologias e protocolos de redes modernos até aplicações práticas e resolução de problemas de rede. Para terminar, vamos abordar o modo como estas informações podem surgir numa entrevista de emprego e dar-lhe algumas sugestões para resolver problemas no local.
No final deste curso, será capaz de:
● Descrever redes informáticas em termos de um modelo de cinco camadas;
● Compreender todos os protocolos padrão envolvidos nas comunicações TCP/IP;
Read more
Este curso foi concebido para proporcionar uma vista geral das redes informáticas. Vamos abordar desde os princípios básicos das tecnologias e protocolos de redes modernos até aplicações práticas e resolução de problemas de rede. Para terminar, vamos abordar o modo como estas informações podem surgir numa entrevista de emprego e dar-lhe algumas sugestões para resolver problemas no local.
No final deste curso, será capaz de:
● Descrever redes informáticas em termos de um modelo de cinco camadas;
● Compreender todos os protocolos padrão envolvidos nas comunicações TCP/IP;
● Compreender ferramentas e técnicas poderosas de resolução de problemas de rede;
● Adquirir conhecimentos sobre serviços de rede como DNS e DHCP, que ajudam ao funcionamento das redes informáticas;
● Compreender a cloud computing, tudo como um serviço e o armazenamento na nuvem.
Register for this course and see more details by visiting:
OpenCourser.com/course/rychm5/os
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What's inside
Syllabus
Introdução às redes
Damos-lhe as boas-vindas ao curso Redes da Certificação profissional de apoio técnico de TI! Na primeira semana deste curso, vamos abordar os princípios básicos de redes informáticas. Vamos saber mais sobre os modelos de redes TCP/IP e OSI, assim como de que forma as camadas de rede funcionam em conjunto. Também vamos abordar os princípios básicos dos dispositivos de rede, como cabos, hubs e comutadores, routers, servidores e clientes. Vamos ainda explorar a camada física e a camada de ligação de dados do nosso modelo de rede mais detalhadamente. No final deste módulo, vai saber como todas as diferentes camadas do modelo de rede se conjugam para criar uma rede.
Read more
Syllabus
Introdução às redes
Damos-lhe as boas-vindas ao curso Redes da Certificação profissional de apoio técnico de TI! Na primeira semana deste curso, vamos abordar os princípios básicos de redes informáticas. Vamos saber mais sobre os modelos de redes TCP/IP e OSI, assim como de que forma as camadas de rede funcionam em conjunto. Também vamos abordar os princípios básicos dos dispositivos de rede, como cabos, hubs e comutadores, routers, servidores e clientes. Vamos ainda explorar a camada física e a camada de ligação de dados do nosso modelo de rede mais detalhadamente. No final deste módulo, vai saber como todas as diferentes camadas do modelo de rede se conjugam para criar uma rede.
Read more
Traffic lights
Traffic lights
Read about what's good
what should give you pause and
possible dealbreakers
Ensina técnicas de solução de problemas de rede avançadas e procuradas pela indústria
Explora as quatro camadas mais importantes do modelo TCP/IP e sua relação
Aborda noções básicas de resolução de problemas de rede, o que é essencial para profissionais de suporte técnico de TI
Fornece uma sólida compreensão de serviços essenciais de rede, como DNS e DHCP, para gerenciamento eficaz de rede
Oferece aos alunos o conhecimento necessário sobre cloud computing e armazenamento em nuvem para se manterem atualizados com as tendências da indústria
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Reviews summary
Fundamentos essenciais de redes para profissionais de ti
De acordo com os alunos, este curso oferece uma excelente introdução aos fundamentos das redes informáticas, sendo particularmente útil para iniciantes na área de suporte de TI. Os alunos destacam a sua capacidade de fornecer uma base sólida sobre conceitos como TCP/IP, sub-redes e serviços de rede, incluindo DNS e DHCP. As aulas práticas e as seções de resolução de problemas são frequentemente elogiadas por sua relevância no dia a dia profissional. Contudo, alguns comentários indicam que, para alunos com experiência prévia, o conteúdo pode parecer básico ou com pouca profundidade em tópicos avançados. No geral, é considerado um curso altamente relevante para a carreira, inclusive com dicas para entrevistas de emprego.
Cobre uma vasta gama de elementos essenciais de redes.
"Fiquei impressionado com a <span class='neutral'>variedade de tópicos abordados, desde o modelo OSI/TCP IP até a <span class='neutral'>cloud computing."
"O curso explora bem as <span class='neutral'>diferentes camadas de rede e protocolos cruciais como DNS e DHCP, o que é fundamental."
"Aborda muitos <span class='neutral'>serviços de rede que são indispensáveis para qualquer profissional da área."
As seções de resolução de problemas são diretas e aplicáveis.
"As dicas de <span class='positive'>resolução de problemas e as ferramentas apresentadas são <span class='positive'>incrivelmente úteis no meu dia a dia profissional."
"Aprendi a utilizar <span class='positive'>ferramentas de diagnóstico em diferentes sistemas operativos, o que foi um grande ganho prático."
"Gostei que o curso não se limita à teoria; há um forte foco em <span class='positive'>como aplicar o conhecimento na prática."
Altamente relevante para cargos de TI e entrevistas de emprego.
"A seção sobre <span class='positive'>preparação para entrevistas de emprego foi um bónus inesperado e muito valioso."
"O conteúdo alinha-se diretamente com as competências exigidas em <span class='positive'>funções de suporte de TI, tornando-o muito prático."
"Este curso me ajudou a entender melhor o que esperar e como me preparar para um <span class='positive'>papel em infraestrutura."
Oferece uma excelente introdução aos princípios fundamentais de redes.
"Para mim, que estou a começar na área de TI, o curso proporcionou uma <span class='positive'>compreensão muito clara dos conceitos básicos de redes."
"É perfeito para quem precisa de <span class='positive'>estruturar o conhecimento sobre redes desde o zero, é bem didático."
"Sinto que tenho uma <span class='positive'>base sólida agora para avançar para tópicos mais complexos na minha carreira."
Pode ser básico para experientes ou rápido para alguns.
"Para quem já tem alguma experiência, o curso pode parecer um pouco <span class='warning'>superficial em certos assuntos, como roteamento avançado."
"Senti que alguns tópicos importantes poderiam ter sido <span class='warning'>abordados com mais profundidade para uma compreensão mais completa."
"O ritmo é bastante acelerado, e talvez para um <span class='warning'>iniciante absoluto, possa exigir um esforço extra de revisão."
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 Os vários elementos das redes informáticas with these
activities:
Volunteer at a local IT support organization
Show steps
Gain hands-on experience in network support by volunteering at a local IT organization.
Show steps
-
Contact local IT support organizations and express your interest in volunteering.
-
Assist with tasks such as network troubleshooting, hardware setup, and software installation.
-
Learn from experienced IT professionals and gain valuable insights into network support.
Review the OSI model
Show steps
Review the OSI model to better prepare for the course's coverage of networking concepts.
Browse courses on
OSI Model
Show steps
-
Read through the OSI model layers and their functions.
-
Identify the key differences between each layer.
-
Understand how the layers interact to facilitate network communication.
Participate in peer discussion groups on network security
Show steps
Engage in peer discussions to exchange knowledge, insights, and best practices related to network security.
Browse courses on
Network Security
Show steps
-
Join online forums or discussion groups focused on network security.
-
Participate in discussions, share experiences, and ask questions.
-
Collaborate on projects or research related to network security.
Five other activities
Expand to see all activities and additional details
Show all eight activities
Practice subnetting exercises
Show steps
Engage in subnetting exercises to reinforce understanding of IP address allocation and network segmentation.
Browse courses on
Subnetting
Show steps
-
Calculate subnet masks and network addresses for various scenarios.
-
Determine the number of hosts and subnets within a given IP range.
-
Apply subnetting techniques to real-world network configurations.
Follow tutorials on network troubleshooting
Show steps
Enhance troubleshooting skills by following guided tutorials that simulate real-world network issues.
Browse courses on
Network Troubleshooting
Show steps
-
Identify common network problems and their symptoms.
-
Learn systematic approaches to isolate and resolve network issues.
-
Practice troubleshooting techniques using network simulators or virtual environments.
Design a network topology for a small business
Show steps
Apply network design principles to create a network topology that meets the specific requirements of a small business.
Browse courses on
Network Design
Show steps
-
Gather requirements and define the network's purpose and scope.
-
Design the network topology, including device placement, cabling, and addressing.
-
Document the network design and present it for feedback.
Contribute to open-source network tools
Show steps
Gain practical experience in network management by contributing to open-source tools and technologies.
Browse courses on
Network Automation
Show steps
-
Identify open-source network projects that align with your interests.
-
Review the project's codebase and documentation.
-
Contribute to the project by submitting bug reports, feature requests, or code changes.
Mentor junior network engineers or students
Show steps
Enhance your own understanding of network concepts by mentoring junior engineers or students.
Show steps
-
Identify opportunities to mentor junior engineers or students.
-
Share your knowledge and expertise on network concepts and technologies.
-
Provide guidance and support to help mentees develop their skills and knowledge.
Volunteer at a local IT support organization
Show steps
Gain hands-on experience in network support by volunteering at a local IT organization.
Show steps
Show steps
Show steps
- Contact local IT support organizations and express your interest in volunteering.
- Assist with tasks such as network troubleshooting, hardware setup, and software installation.
- Learn from experienced IT professionals and gain valuable insights into network support.
Review the OSI model
Show steps
Review the OSI model to better prepare for the course's coverage of networking concepts.
Browse courses on
OSI Model
Show steps
Show steps
Show steps
- Read through the OSI model layers and their functions.
- Identify the key differences between each layer.
- Understand how the layers interact to facilitate network communication.
Participate in peer discussion groups on network security
Show steps
Engage in peer discussions to exchange knowledge, insights, and best practices related to network security.
Browse courses on
Network Security
Show steps
Show steps
Show steps
- Join online forums or discussion groups focused on network security.
- Participate in discussions, share experiences, and ask questions.
- Collaborate on projects or research related to network security.
Five other activities
Expand to see all activities and additional details
Show all eight activities
Practice subnetting exercises
Show steps
Engage in subnetting exercises to reinforce understanding of IP address allocation and network segmentation.
Browse courses on
Subnetting
Show steps
Show steps
Show steps
- Calculate subnet masks and network addresses for various scenarios.
- Determine the number of hosts and subnets within a given IP range.
- Apply subnetting techniques to real-world network configurations.
Follow tutorials on network troubleshooting
Show steps
Enhance troubleshooting skills by following guided tutorials that simulate real-world network issues.
Browse courses on
Network Troubleshooting
Show steps
Show steps
Show steps
- Identify common network problems and their symptoms.
- Learn systematic approaches to isolate and resolve network issues.
- Practice troubleshooting techniques using network simulators or virtual environments.
Design a network topology for a small business
Show steps
Apply network design principles to create a network topology that meets the specific requirements of a small business.
Browse courses on
Network Design
Show steps
Show steps
Show steps
- Gather requirements and define the network's purpose and scope.
- Design the network topology, including device placement, cabling, and addressing.
- Document the network design and present it for feedback.
Contribute to open-source network tools
Show steps
Gain practical experience in network management by contributing to open-source tools and technologies.
Browse courses on
Network Automation
Show steps
Show steps
Show steps
- Identify open-source network projects that align with your interests.
- Review the project's codebase and documentation.
- Contribute to the project by submitting bug reports, feature requests, or code changes.
Mentor junior network engineers or students
Show steps
Enhance your own understanding of network concepts by mentoring junior engineers or students.
Show steps
Show steps
Show steps
- Identify opportunities to mentor junior engineers or students.
- Share your knowledge and expertise on network concepts and technologies.
- Provide guidance and support to help mentees develop their skills and knowledge.
Career center
Learners who complete Os vários elementos das redes informáticas will develop knowledge and skills
that may be useful to these careers:
Network Administrator
Network Administrator
A Network Administrator is responsible for the planning, implementation, and maintenance of computer networks. They ensure that networks run smoothly, securely, and efficiently. Networks can exist entirely within one physical building or connect multiple locations across a wide area. This course will teach you the fundamentals of computer networks. It will help you to understand how networks are designed and implemented, and how to troubleshoot and resolve network problems. This knowledge and these skills will serve you well if you want to work as a Network Administrator.
Network Engineer
Network Engineer
A Network Engineer designs, implements, and maintains computer networks. They work with clients to determine their networking needs and then design a network that meets those needs. They also oversee the implementation of the network and ensure that it is running smoothly and securely. This course will teach you the fundamentals of computer networks. It will help you to understand how networks are designed and implemented, and how to troubleshoot and resolve network problems. This knowledge and these skills are essential for a Network Engineer.
Network Security Engineer
Network Security Engineer
A Network Security Engineer is responsible for the security of computer networks. They identify and mitigate security risks, and they develop and implement security measures to protect networks from unauthorized access and attack. This course will teach you about network security best practices, how to conduct security audits, and how to develop and implement security measures. This knowledge and these skills are essential for a Network Security Engineer.
Computer Network Architect
Computer Network Architect
A Computer Network Architect designs and implements computer networks. They work with clients to determine their networking needs and then design a network that meets those needs. They also oversee the implementation of the network and ensure that it is running smoothly and securely. This course will teach you the fundamentals of computer networks. It will help you to understand how networks are designed and implemented, and how to troubleshoot and resolve network problems. This knowledge and these skills are essential for a Computer Network Architect.
IT Manager
IT Manager
IT managers plan, implement, and oversee the installation, maintenance, and repair of computer systems and networks. They also manage the IT staff and ensure that the IT department is running smoothly and efficiently. This course will teach you the fundamentals of computer networks. It will help you to understand how networks are designed and implemented, and how to troubleshoot and resolve network problems. This knowledge and these skills will be helpful if you want to work as an IT Manager.
Security Analyst
Security Analyst
A Security Analyst identifies and mitigates security risks. They develop and implement security measures to protect computer networks and systems from unauthorized access and attack. This course will teach you about network security best practices, how to conduct security audits, and how to develop and implement security measures. This knowledge and these skills are essential for a Security Analyst.
Systems Administrator
Systems Administrator
A Systems Administrator is responsible for the maintenance and operation of computer systems and networks. They install and configure hardware and software, and they monitor and troubleshoot system performance. This course will teach you the fundamentals of computer networks. It will help you to understand how networks are designed and implemented, and how to troubleshoot and resolve network problems. This knowledge and these skills will be helpful if you want to work as a Systems Administrator.
Cybersecurity Analyst
Cybersecurity Analyst
A Cybersecurity Analyst identifies and mitigates security risks in computer networks and systems. They develop and implement security measures to protect against unauthorized access and attack. This course will teach you about network security best practices, how to conduct security audits, and how to develop and implement security measures. This knowledge and these skills are essential for a Cybersecurity Analyst.
Information Security Manager
Information Security Manager
An Information Security Manager is responsible for the security of an organization's information systems. They develop and implement security policies and procedures, and they oversee the implementation of security measures. This course will teach you about network security best practices, how to conduct security audits, and how to develop and implement security measures. This knowledge and these skills are essential for an Information Security Manager.
Penetration Tester
Penetration Tester
A Penetration Tester identifies and exploits security vulnerabilities in computer networks and systems. They use their findings to develop and implement security measures to protect against unauthorized access and attack. This course will teach you about network security best practices, how to conduct security audits, and how to develop and implement security measures. This knowledge and these skills are essential for a Penetration Tester.
IT Auditor
IT Auditor
An IT Auditor reviews and evaluates an organization's IT systems and processes to ensure that they are in compliance with regulations. They also identify and mitigate security risks. This course will teach you about network security best practices, how to conduct security audits, and how to develop and implement security measures. This knowledge and these skills are essential for an IT Auditor.
Computer Science Professor
Computer Science Professor
A Computer Science Professor teaches computer science courses at a college or university. They develop and deliver lectures, and they grade student assignments. They also conduct research in the field of computer science. This course will teach you the fundamentals of computer networks. It will help you to understand how networks are designed and implemented, and how to troubleshoot and resolve network problems. This knowledge and these skills will be helpful if you want to work as a Computer Science Professor.
Cloud Architect
Cloud Architect
A Cloud Architect designs and implements cloud computing solutions. They work with clients to determine their cloud computing needs and then design a solution that meets those needs. They also oversee the implementation of the solution and ensure that it is running smoothly and securely. This course will teach you about cloud computing and how to design and implement cloud computing solutions. This knowledge and these skills are essential for a Cloud Architect.
Cloud Security Engineer
Cloud Security Engineer
A Cloud Security Engineer is responsible for the security of cloud computing environments. They develop and implement security measures to protect cloud computing resources from unauthorized access and attack. This course will teach you about cloud computing and how to protect cloud computing environments from security threats. This knowledge and these skills are essential for a Cloud Security Engineer.
Data Scientist
Data Scientist
A Data Scientist collects, analyzes, and interprets data to extract meaningful insights. They use their findings to develop data-driven solutions to business problems. This course will teach you about data science and how to use data to solve business problems. This knowledge and these skills are essential for a Data Scientist.
For more career information including salaries, visit:
OpenCourser.com/course/rychm5/os
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
Os vários elementos das redes informáticas.
Aborda os princípios e tecnologias das redes de computadores, com foco nas camadas de rede e transporte. Fornece uma base sólida para compreensão dos protocolos TCP/IP e resolução de problemas de rede.
Comprehensive guide to the TCP/IP protocol suite. It provides detailed explanations of how each protocol works, as well as practical examples of how to use them. It valuable resource for anyone who wants to learn more about the inner workings of the Internet.
This classic textbook provides a comprehensive overview of computer networking, covering topics such as the OSI model, TCP/IP, routing, and network security. It valuable resource for students who want to learn more about the fundamentals of networking.
Save
Um guia técnico detalhado dos protocolos TCP/IP. Fornece uma compreensão profunda de como os protocolos de rede funcionam e como eles são implementados.
Save
Practical guide to network troubleshooting and security. It provides step-by-step instructions on how to identify and fix common network problems. It valuable resource for anyone who wants to learn how to keep their networks running smoothly.
Save
Provides a comprehensive overview of cloud computing. It covers topics such as cloud architecture, cloud services, and cloud security. It valuable resource for anyone who wants to learn more about the cloud.
Is useful as a foundational resource for this course. It provides an overview of computer networking basics, including the OSI model and TCP/IP stack.
Save
Um guia prático para o Domain Name System (DNS). Aborda a configuração e gerenciamento de servidores DNS usando o BIND, uma implementação popular do DNS.
For more information about how these books relate to this course, visit:
OpenCourser.com/course/rychm5/os
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Effort
8 – 10 horas por semana
Level
Introductory
Via
Coursera
Institution
Google
Instructor
Google Career Certificates
Language
Português
Transcripts
English
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Português
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