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959,972 个学员
3,827,228 个学员
959,972 个学员
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通过我们的认证准备课程目录获得刚需技能认证
11,612,217 个学员
Amazon Web Services (AWS) 培训和认证可认证各种 Amazon Web Services 云产品和解决方案的专业人员，范围涵盖云从业者到机器学习专家。AWS 拥有广泛的认证，可满足从初学者到高级专业人士的各种云相关技能水平。
6,795,171 个学员
Microsoft 提供广泛的认证来验证 Microsoft Azure、Microsoft 365（Microsoft Office）、Microsoft Power Platform 和 Microsoft Dynamics 365 的技能。Microsoft 提供“基础”认证，专为刚接触这些技术并希望培养基础理解的个人而设计。
4,989,342 个学员
Cisco 提供网络认证，以验证网络工程师规划、实施和验证复杂的网络基础设施以及排除故障的能力。Cisco 的网络认证面向拥有各种网络知识水平的专业人士，从初学者到能够排除复杂网络基础设施故障的专家不等。
4,955,261 个学员
CompTIA（计算机技术行业协会）是大家认可的 IT 认证提供商，它提供适合各种专业水平的多种认证。CompTIA 认证（例如 A+ 和 ITF+）在整个 IT 行业广受尊重，为追求各种 IT 职业道路的人们提供了坚实的基础。
274,037 个学员
HashiCorp 提供云基础设施自动化领域的认证，验证云工程师对云计算基础设施的掌握程度。HashiCorp 的助理级认证课程非常适合对云基础设施实践有基本了解的初学者。
105,337 个学员
Juniper Networks 提供网络认证，证明网络专业人员支持和排除 Juniper 网络产品故障的能力。Juniper Networks 颁发所有技能水平的认证。
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Learn about networking and start your journey to Cisco 200-301 Certification.
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Learn the basics of IP, Ethernet, VPNs, WANs, DHCP, DNS, with no prior knowledge required. Bonus IP addressing course!
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This video collections course will prepare you ready for a certification exam and/or real world Networking fundamentals!
A course that focuses on switching, network architecture and higher layer functionality using the layered model approach
Teach and learn Computer Networking the proper way using the Microsoft Networking Fundamentals (Exam 98-366) Curriculum
Learn Networking Fundamentals, Routing & Switching, IPv4/IPv6, VLANs, NAT, ACLs, and Real Lab Configurations”
Learn Directly from an Engineer.
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Impara dalle basi come funzionano le reti LAN e scopri la logica di switch, indirizzi IP, subnet mask, DHCP, DNS, router