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You are the network administrator for a single Active Directory domain named internaldom.com. A Windows Server 2003 computer named DNSA is the only DNS server in the domain. It hosts only the internaldom.com domain. Users report that resolving DNS names has slowed considerably over the past several weeks. You decide to research the problem. Your first plan of action involves finding out whether the problem lies with DNSA. What should you do?



A. Use the DNS Event Log to monitor for DNS Event ID 2 and 3.
B. Use System Monitor to monitor the Network Interface: Bytes Total/sec counter.
C. Enable debug logging on DNSA. Configure the log to capture Request and Response packets.
D. Enable debug logging on DNSA. Configure the log to capture Outgoing and Incoming packets.
E. Use System Monitor to monitor the DNS: Dynamic Update Received/sec, DNS: Total Query Received/sec, and DNS: Total Response Sent/sec counters.

This question is part of

Microsoft 70-291 Practice Exam
Asked by C.Bancroft, Last updated: May 23, 2020

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John Smith

John Smith

Answered Sep 08, 2016

Use system monitor to monitor the dns: dynamic update received/sec, dns: total query received/sec, and dns: total response sent/sec counters.-explanation: you should use system monitor to monitor the dns: dynamic update received/sec, dns: total query received/sec, and dns: total response sent/sec counters. system monitor will actually report statistical information regarding the dns server. this statistical information will help you to determine if performance on dnsa is not what it should be. the dynamic update received/sec counter displays the total number of dynamic update requests received by the dns server. the total query received/sec counter displays the average number of queries received by the dns server each second. the total response sent/sec counter displays the average number of responses sent by the dns server each second. you should not use the dns event log to monitor for dns event id 2 and 3. event 2 indicates that the dns server has started. event 3 indicates that the dns server has shut down. these events will not help you to determine the cause of performance problems on dnsa. you should not use system monitor to monitor the network interface: bytes total/sec counter. this counter tells you if problems exist on the network, not if problems exist with dnsa. you should not enable debug logging on dnsa and configure the log to capture request and response packets. debug logging logs more specific information than statistical information. while it can be used to record information on certain types of packets, it is not the tool to use if diagnosing performance problems. you should not enable debug logging on dnsa and configure the log to capture outgoing and incoming packets. debug logging logs more specific information than statistical information. while it can be used to record information on certain types of packets, it is not the tool to use if diagnosing performance problems. debug logging has several different logging categories: queries/transfers, response packets, request packets, updates, and notifications. the notification category is not logged by default and must be explicitly enabled.
 

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