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When troubleshooting an 802.11g network. Which of the following can interfere with the network?（）
- A、2.4 GHz cordless phone
- B、900 MHz cordless phone
- C、Bluetooth headset
- D、Bluetooth printer
参考答案
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When troubleshooting an 802.11g network. Which of the following can interfere with the network?()
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When an administrator is troubleshooting a system, which of the following describes the NEXT course of action if a change does not solve the problem?()
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When troubleshooting a Frame Relay connection, what is the first step when performing a loopback test?（）A、Set the encapsulation of the interface to HDLCB、Place the CSU/DSU in local-loop modeC、Enable local-loop mode on the DCE Frame Relay routerD、Verify that the encapsulation is set to Frame Relay
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When an administrator is troubleshooting a system， which of the following describes the NEXT course of action if a change does not solve the problem？（）A、 Establish a new theory of probable cause.B、 Reverse the change.C、 Implement the next logical change.D、 Perform a root cause analysis.
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When installing two 802.11g access points in the same building, which of the following channelswill MOST likely be used to minimize interference?（）A、5 and 6B、1 and 6C、6 and 10D、2 and 6
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单选题An administrator is troubleshooting wireless connectivity issues at a client’s office and discoversthat the machine loses connectivity when the wireless phone is being used. Which of the following WAPS should be installed to help resolve the issue?（）A
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802.11nD
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单选题When an administrator is troubleshooting a system， which of the following describes the NEXT course of action if a change does not solve the problem？（）A
Establish a new theory of probable cause.B
Reverse the change.C
Implement the next logical change.D
Perform a root cause analysis.
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单选题When installing two 802.11g access points in the same building, which of the following channelswill MOST likely be used to minimize interference?（）A
5 and 6B
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单选题When troubleshooting an 802.11g network. Which of the following can interfere with the network?（）A
2.4 GHz cordless phoneB
900 MHz cordless phoneC
Bluetooth headsetD
Bluetooth printer
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多选题When you are troubleshooting duplex mismatches， which two errors are typically seen on the full- duplexend？（）AruntsBFCS errorsCinterface resetsDlate collisions
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单选题pany uses MSTP within their switched LAN. What is the main purpose of Multiple Instance Spanning Tree Protocol （MSTP）？（）A
To enhance Spanning Tree troubleshooting on multilayer switchesB
To reduce the total number of spanning tree instances necessary for a particular topology C
To provide faster convergence when topology changes occur in a switched networkD
To provide protection for STP when a link is unidirectional and BPDUs are being sent but not receivedE
None of the other alternatives apply
考题
单选题Which of the following is the FIRST step a technician should take when troubleshooting a device issue？（）A
Gather information from the customer.B
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Read the service documentation for possible causes.D
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考题
单选题Which of the following is the LAST step an administrator should take when troubleshooting an issue？（）A
Identify changes to the system.B
Replicate the problem in the system.C
Verify full system functionality. D
Implement the solution.
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Perform a root cause analysisC
Establish a plan of actionD
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单选题Which of the following is the FIRST step when troubleshooting an issue？（）A
Identify the problem.B
Verify full system functionality.C
Document all findings.D
Establish a theory of probable cause.
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多选题When troubleshooting duplex mismatches， which two are errors that are typically seen on the half duplexend？（）Aexcessive collisionsBFCS errorsCruntsDlate collisions
考题
多选题When you are troubleshooting duplex mismatches， which two errors are typically seen on the fullduplex end？（）AruntsBFCS errorsCinterface resetsDlate collisions
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