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【单项选择题】

When implementing a solution to a problem, which of the following is the BEST course of action to take?（）

A、A. Replace all components simultaneously to ensure that the system is functional.

B、B. Replace all hardware associated with the problem first to eliminate the possibility of hardware and move onto software

C、C. Purchase new parts for the system to confirm that they function.

D、D. Implement one change at a time, reversing the change if it has not resolved the problem.

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更多“When implementing a solution to a problem, which of the following is the BEST course of action to take?（）”相关的问题

第1题

[单选题] When is a first-hop redundancy protocol needed in the distribution layer?（）

A、when HSRP is not supported by the design B、when multiple vendor devices need to be supported C、when preempt tuning of the default gateway is needed D、when a robust method of backing up the default gateway is needed E、when the design implements Layer 2 between the access switch and the distribution switch F、when the design implements Layer 3 between the access switch and the distribution switch

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第2题

[多选题] When should traffic shaping be implemented on Frame Relay PVCs？（）

A、When you want to drop excess traffic above the CIR B、When there is a speed mismatch between the central site and the remote site C、When using Frame Relay SVCs D、When over-subscribing the central site link E、When LLQ is implemented on the Frame Relay PVC F、When Multilink PPP LFI is implemented on the Frame Relay PVC

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第3题

[] When is a first-hop redundancy protocol needed in the distribution layer？（）

A、A. when the design implements Layer 2 between the access arid distribution blocks B、B. when multiple vendor devices need to be supported C、C. when preempt tuning of the default gateway is needed D、D. when a robust method of backing up the default gateway is needed E、E. when the design implements Layer 2 between the access switch and the distribution blocks F、F. when the design implements Layer 2 between the access and distribution blocks

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第4题

[多选题] Given a class whose instances, when found in a collection of objects, are sorted by using the compareTo（　）method, which two statements are true?（）

A、The class implements java.lang.Comparable. B、The class implements java.util.Comparator. C、The interface used to implement sorting allows this class to define only one sort sequence. D、The interface used to implement sorting allows this class to define many different sort sequences.

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第5题

[单选题] How can you create a listener class that receives events when the mouse is moved？（）

A、 By extending MouseListener. B、 By implementing MouseListener. C、 By extending MouseMotionListener. D、 By implementing MouseMotionListener. E、 Either by extending MouseMotionListener or extending MouseListener. F、 Either by implementing MouseMotion Listener or implementing MouseListener.

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第6题

[单选题] Which of the following technologies when implemented allows for the GREATEST fault tolerance for memory?（）

A、RAID B、Registered memory C、ECC D、Memory pairing

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第7题

[单选题] What is a critical piece of information that you should have when creating a VLAN-based implementation plan？（）

A、approval from senior management B、end-user requirements C、IEEE 802.1X authentication parameters D、a summary implementation plan

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第8题

[单选题] In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN（）。

A、during high traffic periods B、after broken links are re-established C、when upper-layer protocols require high reliability D、in an improperly implemented redundant topology E、when a dual ring topology is in use

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第9题

[单选题] In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?（）

A、after broken links are re-established B、in an improperly implemented redundant topology C、when upper-layer protocols require high reliability D、during high traffic periods E、when a dual ring topology is in use

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第10题

[单选题] In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?（）

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