When you just brought online a new secondary DNS server and notice you monitoring software reports a significant increase in network traffic. Which two hosts on you network are likely to be causing the increased traffic and why?
A. The caching and primary DNS servers, because the caching server is requesting zone transfer from the primary server
B. The secondary and primary DNS servers, because the caching server is requesting zone transfers from the primary server.
C. The root and primary DNS server, because the primary server is requesting zone transfers from the root server
D. The Web server and primary DNS server, because the web server s requesting zone transfers from the primary DNS server.The secondary and primary DNS servers, because the secondary server is requesting zone transfers from the primary server
Answer: D. The Web server and primary DNS server, because the web server s requesting zone transfers from the primary DNS server.The secondary and primary DNS servers, because the secondary server is requesting zone transfers from the primary server
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