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Section 1
Apply core networking concepts to network design
Preview
Preview: Network Architecture Design (31%)
Preview includes- 0 of 0 lesson topics
- 1 overview segment
- 3 core concepts
- 2 exam tips
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Overview
Objective 1.1 focuses on apply core networking concepts to network design.
Core Concepts
- Use the OSI model to localize design and failure concerns: physical/link, network, transport, and application decisions solve different problems.
- CIDR expresses prefix length; VLSM allocates different subnet sizes to conserve address space. Route summarization reduces routing state only when prefixes are contiguous and the aggregate does not cover unintended space.
- IPv6 removes the need for address conservation but does not remove the need for routing, filtering, or segmentation. Dual stack runs IPv4 and IPv6 together; NAT64 translates IPv6 clients toward IPv4 destinations, commonly paired with DNS64.
Exam Tips
- Do the binary/prefix math before looking at answer wording.
- Translate the requirement into a layer and function: name resolution, routing, translation, authentication, or transport.
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Section 2
Select network architectures and topologies from business requirements
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Section 3
Select hybrid connectivity solutions
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Section 4
Design network availability and redundancy
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Section 5
Design physical campus installation requirements
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Section 6
Select campus wired-network components and designs
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Section 7
Select campus wireless-network components and designs
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Section 8
Select architecture documentation artifacts
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Section 9
Assess cloud and network threats, vulnerabilities, and mitigations
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Section 10
Select technologies that secure networks
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Section 11
Configure network access controls
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Section 12
Apply Zero Trust architecture principles
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Section 13
Apply identity and access management controls
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Section 14
Apply wireless security methods and configurations
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Section 15
Harden network appliances
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Section 16
Operate and maintain network environments
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Section 17
Monitor network health and performance
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Section 18
Automate and script hybrid-cloud network administration
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Section 19
Apply the structured troubleshooting methodology
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Section 20
Select network troubleshooting tools and commands
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Section 21
Interpret network-tool and command output
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Section 22
Troubleshoot network connectivity
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Section 23
Troubleshoot network performance
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Section 24
Troubleshoot Wi-Fi performance
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Section 25
Troubleshoot network access and security
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