Suppose that the average response time for DNS queries made to DNS servers outside the enterprise is 50ms, and that the average number of components in names looked up is 4 (e.g., www.eecs.xxx.edu has 4 components but www.xx.edu has only 3). In the case of www.eecs.xxx.edu, what servers would be the target of each lookup?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Please help me with this Computer Networking question. Thank you.

Suppose that the average response time for DNS queries made to DNS servers
outside the enterprise is 50ms, and that the average number of components in
names looked up is 4 (e.g., www.eecs.xxx.edu has 4 components but
www.xxx.edu has only 3).
In the case of www.eecs.xxx.edu, what servers would be the target of each
lookup?
Transcribed Image Text:Suppose that the average response time for DNS queries made to DNS servers outside the enterprise is 50ms, and that the average number of components in names looked up is 4 (e.g., www.eecs.xxx.edu has 4 components but www.xxx.edu has only 3). In the case of www.eecs.xxx.edu, what servers would be the target of each lookup?
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