Security

学习

涵盖此主题的模块

7 lessons 门与此主题相关的课程，按顺序编排于这些模块中，并配有相应的测验与实验。

• Diagnosis in practiceNetwork operations and design
• Monitoring and file transferNetwork operations and design
• Direction and stateNetwork security and acls
• Filtering by addressNetwork security and acls
• Filtering by serviceNetwork security and acls
• Least privilege in practiceNetwork security and acls
• Protecting the devicesNetwork security and acls
• Security foundationsNetwork security and acls
• Translation and publishingNetwork services
• Layers and protocolsNetworking fundamentals
• Nat and aclsNetworking fundamentals

练习

实操实验

真实的虚拟网络，配有设备控制台，自动评分。每次尝试都会重新生成地址方案。

• ACL Fundamentals - Block a Single Host #1
• ACL: Block a Whole Subnet #1
• The Guest Host Can Reach the Management Segment
• Egress Filter on the Records Server
• Permit One Service, Not One Host
• Replies Leave the Server, But Never Reach the Client
• The Firewall That Never Saw the Request
• Slow, Not Broken
• DHCP Hands Out the Wrong Gateway
• The Config Backup Server Everyone Can Reach
• Keep Guest Traffic Outside the Office LAN
• Publish Server Port Forwarding
• Overly Broad Firewall Rule
• Contractor Limited Access
• Web Tier Bypasses App Tier
• Audit IoT VLAN Internet Scope
• Lock Down Management Access
• Finance Subnet Default Deny
• Divested Business Firewall Separation
• One Server, Wrong Exit Interface
• Allow Access to Wiki Replica

检验

评分测验

18 graded questions 道题目，分布在 5 quizzes 个测验中，在上方模块内进行。答错时会解释你所选选项背后的具体误区。

复习

间隔重复

Security 已纳入复习阶梯追踪。你回答过一道相关题目后，它会按照逐渐拉长的间隔重新出现，只要你持续答对；如果答错则会重置。查看你的复习队列。

认证

此主题覆盖的考试目标