Practice - DNS Resource Records (RRs)
Practice Questions
Test your understanding with targeted questions
What does TTL stand for in the context of DNS Resource Records?
💡 Hint: Think about how long a record can stay valid in the cache.
Name one type of DNS Resource Record.
💡 Hint: Think of the types we discussed.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of DNS Resource Record maps a domain name to an IPv4 address?
💡 Hint: Think about the type used for standard web addresses.
True or False: A CNAME Record can point to another CNAME Record.
💡 Hint: Consider the purpose of CNAME as creating aliases.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You are tasked with configuring a new domain for a website. Which types of DNS Resource Records would you need to set up, and why?
💡 Hint: Think about both website access and email functionality.
How would a DNS system behave if an authoritative DNS server for a domain becomes unavailable? Discuss the roles of caching and TTL.
💡 Hint: Consider what happens to cached data and how long it stays valid.
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Reference links
Supplementary resources to enhance your learning experience.