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Address and name services
Section overview
Protocol definition
The scaling problem
Four-step handshake
Client broadcast request
Server response
Client acceptance
Server confirmation
Address expiration
Extending the lease
Additional configuration
Cross-subnet DHCP
Address management
Consistent assignments
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Test your knowledge
Protocol definition
Human memory limits
Distributed structure
Top of the hierarchy
Domain delegation
Address mapping
Aliasing domains
Mail routing
Nameservers and reverse lookup
Arbitrary text data
Query flow
Query types
Performance optimization
Setting cache duration
Name to IP
IP to name
Protocol vulnerabilities
Cryptographic verification
Encrypted queries
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Test your knowledge
Working together
Common issues
Common issues
Summary of concepts
