Web Protocols Intermediate Quiz 4
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Web Protocols Intermediate Quiz 4
1. What is "DNS Poisoning" (or Cache Poisoning)?
Deleting a domain name from the internet
Introducing false DNS information into a resolver's cache
Changing the physical location of a DNS server
2. What is an "AAAA" record in DNS?
A record that maps a domain to an IPv6 address
A record used for high-priority emails
A record that stores the website's title
3. What is the purpose of the "SOA" (Start of Authority) record?
To list all the images on a site
To redirect traffic to a mobile site
Providing admin info and zone timing parameters.
4. What is "Anycast DNS"?
DNS that works only on Wi-Fi
Routing DNS queries to the closest server node.
DNS that is free for everyone
5. What is a "PTR Record" (Pointer Record) used for?
Mapping an IP address back to a domain name (Reverse DNS)
Mapping a domain name to a phone number
Mapping a sub-domain to a main domain
6. What does "DNSSEC" provide?
Faster internet speeds
Automatic website backups
Cryptographic authentication of DNS data
7. What is a "Glue Record"?
A record that combines two websites
An IP address locating a child’s nameserver.
A temporary record used during maintenance
8. What is "Negative Caching" in DNS?
Caching the fact that a record does not exist
Caching only the errors in a DNS query
Deleting the cache every minute
9. Which DNS record is often used for domain ownership verification (e.g., for Google Search Console)?
A Record
PTR Record
TXT Record
10. What is "Round Robin DNS" used for?
Blocking spam
Basic load balancing by rotating through a list of IP addresses
Hiding the server's identity
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