Answer:
The answers are: it is used to enable fast DNS queries and It can help reduce the amount of network traffic generated by DNS servers.
Explanation:
Because a DNS server can resolve a query from tis local data sends a recursive qyery to a root server.
Records, data and tables are terns used in database software.Rows are typically presented by numbers and contain data for individual records. Records are used in database software to organize data. They are stored in tables.
Answer:
I think A Bluetooth receiver is causing the smartphone to over heat