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You have just brought online a new secondary DNS server and notice your network-monitoring software reports a significant increase in network traffic. Which two hosts on your 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 transfers from the primary server b. The secondary and primary DNS servers, because the secondary server is requesting zone transfers from the primary server c. The root and primary DNS servers, because the primary server is requesting zone transfers from the root server d. The web server and primary DNS server, because the web server is requesting zone transfers from the primary DNS server

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Network+ Guide to Networks (MindTa...

8th Edition
Jill West + 2 others
Publisher: Cengage Learning
ISBN: 9781337569330

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Chapter
Section
BuyFindarrow_forward

Network+ Guide to Networks (MindTa...

8th Edition
Jill West + 2 others
Publisher: Cengage Learning
ISBN: 9781337569330
Chapter 3, Problem 9RQ
Textbook Problem
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You have just brought online a new secondary DNS server and notice your network-monitoring software reports a significant increase in network traffic. Which two hosts on your network are likely to be causing the increased traffic and why?

  1. a. The caching and primary DNS servers, because the caching server is requesting zone transfers from the primary server
  2. b. The secondary and primary DNS servers, because the secondary server is requesting zone transfers from the primary server
  3. c. The root and primary DNS servers, because the primary server is requesting zone transfers from the root server
  4. d. The web server and primary DNS server, because the web server is requesting zone transfers from the primary DNS server

Program Description Answer

The primary and secondary DNS servers are the hosts that increase traffic.

Hence, the correct answer is option “B”.

Explanation of Solution

The secondary and primary DNS servers:

  • • The primary and secondary DNS servers are the hosts responsible for increase in network traffic.
  • • Because the caching server requests primary servers for zone transmission.

Explanation for incorrect options:

The caching and primary DNS servers:

Here, the primary server cannot depend on coaching server for zone transmission...

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