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【单选题】

When planning for voice deployments with the Cisco Unified Wireless IP Phone 7921G handset in amultifloor building with a WLAN that operates at an 11 MB/s data rate， how many decibelsreferenced to 1 milliwatt of same-channel separation are recommended between floors？（）

A、13 dBm

B、19 dBm

C、25 dBm

D、31 dBm

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更多“When planning for voice deployments with the Cisco Unified Wireless IP Phone 7921G handset in amultifloor building with a WLAN that operates at an 11 MB/s data rate， how many decibelsreferenced to 1 milliwatt of same-channel separation are recommended between floors？（）”相关的问题
第1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2题
[单选题] When planning for VoWLAN capacity during a site survey， how many simultaneous calls can beestimated per 5 GHz channel？（）

A、7  B、14  C、20  D、30  

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第3题
[单选题] The Database Resource Manager is not currently active in your database that is up and running. You created a resource plan named DAY_PLAN that contains two sub-plans named MANAGERS_PLAN and CLERKS_PLAN. You decided to activate DAY_PLAN by executing the following statement：       SQL>ALTER SYSTEM SET RESOURCE_MANAGER_PLAN = ’managers_plan’；  What will be the outcome of this statement？（）  

A、 The statement will deactivate DAY_PLAN.  B、 The statement will activate DAY_PLAN as the top plan.  C、 The statement will activate MANAGERS_PLAN as the top plan.  D、 The statement will return an error because MANAGERS_PLAN is not the top plan.  

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第4题
[多选题] Which two scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object？（）

A、When using versions of Java technology earlier than 5.0.  B、When sharing a StringBuffer among multiple threads.  C、When using the java.io class StringBufferInputStream.  D、When you plan to reuse the StringBuffer to build more than one string.  

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第5题
[单选题] You have created a resource plan， DB_PLAN， using DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN and you want to impose a restriction on utilization of resources by the database users. Which step must be performed before you can start using the resource plan？（）

A、 assign users to consumer groups  B、 set the resource plan for the instance  C、 configure a simple resource plan and specify plan directives  D、 configure a complex resource plan and specify plan directives  

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第6题
[] Moving data is one of the most common causes of planned downtime. For which of the followingpurposes might the data migration function of the SAN Volume Controller be used？（）

A、A.when replacing an SVC node due to a failure  B、B.when migrating from a Windows OS to a Linux OS  C、C.when replacing older storage with newer storage  D、D.when performing a firmware upgrade on the SVC console  

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第7题
[单选题] When planning for a logically partitioned system，which of the following should be used as part of a review to ensure that each partition has the required resources？ （）

A、Use the Workload Estimator capacity planning tool.  B、Use prtconf output from legacy systems.  C、Use the LPAR Validation Tool.  D、Use Performance Management Services.  

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第8题
[] An Information Technology （IT） staff has many calls from users who are unable to print or who lose print jobs.  After investigation， the IT staff has determined that the print spooler is stopping sporadically.  Which of the following actions in IBM Director would best resolve the issue？（）

A、A.Create an Event Action Plan to monitor the NT Event Log for Print Spooler errors.Set a task to restart the print spooler when stopped.Apply this plan to print servers.  B、B.Using Event Management， create an Event Action Plan with a print spooler filter and set a task to restart the print spooler when stopped.  Apply this plan to print servers.  C、C.Using Resource Manager， create a threshold to monitor the print spooler queue.Create an Event Action Plan with a print spooler filter and set a task to restart the print spooler when the queue gets above 10 jobs.Apply this plan to print servers.  D、D.Using Process Management， create a threshold to monitor to set an error condition when the print spooler has stopped.Create an Event Action Plan using this filter and create a task to restart the print spooler when stopped. Apply plan to print servers.  

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第9题
[单选题] Using Oracle Scheduler you have scheduled two jobs， JOB_Aand JOB_B， to run at 9：00 p.m. every Friday. You want both the jobs to use a single resource plan， WEEKEND_PLAN. Which task must have already been performed to enable you to achieve this objective？（）

A、 A window must have been created with the WEEKEND_PLAN resource plan.  B、 A program must have been created with the WEEKEND_PLAN resource plan.  C、 A job class must have been created with the WEEKEND_PLAN resource plan.  D、 A window group must have been created with the WEEKEND_PLAN resource plan.  

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第10题
[] Using Oracle Scheduler you have scheduled two jobs， JOB_A and JOB_B， to run at 9：00 p.m. every Friday. You want both the jobs to use a single resource plan， WEEKEND_PLAN. Which task must have already been performed to enable you to achieve this objective？（）

A、A. A window must have been created with the WEEKEND_PLAN resource plan.  B、B. A program must have been created with the WEEKEND_PLAN resource plan.  C、C. A job class must have been created with the WEEKEND_PLAN resource plan.  D、D. A windows group must have been created with the WEEKEND_PLAN resource plan.  

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