Week_5 Flashcards
1
Q
Is Domain Name Service Hierarchical?
A
Yes
2
Q
What do Name Servers do?
A
Stores the DNS records for the domain name.
3
Q
What is Domain Name Space?
A
A tree of domain names where each node or leaf in the tree has zero or ore resource records.
4
Q
What does Recursive and changing name server do?
A
Improve efficiency
Reduce DNS traffic across the Internet
Increase performance in end-user applications
5
Q
Name some DNS security issues
A
DNS Cache poisoning
DNS responses are not cryptographically signed
Domain names can be used for spoofing.
