Web Protocols Beginner Quiz 2

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Web Protocols Beginner Quiz 2
1. What does DNS stand for?
2. What is the primary job of DNS?
3. In the URL "www.google.com", what is ".com" called?
4. What is a "Recursive Resolver" in DNS?
5. Which DNS record type maps a domain name to an IPv4 address?
6. Which DNS record type is used to identify mail servers?
7. What does "TTL" (Time to Live) mean in a DNS record?
8. What is an "Authoritative Nameserver"?
9. Which DNS record maps a domain to another domain name (alias)?
10. What is a "Subdomain"?
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