题目内容

An SNMP alert has been generated by a server in the main data center.The alert stated that theinternal temperature of the server has exceeded the threshold.No other servers in the rack haveexperienced problems，and no other alerts have come from that server about any other events.Which of the following is the cause of this issue？（）

A. Rack cooling equipment failure
B. Dust collection in the server
C. Server processor failure
D. Server power supply failure

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直接接触商品，并随商品进入零售网点，和消费者或客户直接见面的包装是：（）

A. 内包装
B. 外包装
C. 销售包装
D. 通用包装

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ApowerlossduringafirmwareupdatewouldMOSTlikelyresultinwhichofthefollowing?（）

A. Increasedheatoutput
B. Damageofthehardware
C. Lossofstoragedata
Decreasedperformance

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在铁路货物运输中，编组站的工作任务是：（）

A. 办理列车会让、越行和客货运业务
B. 办理货物列车的中转作业
C. 进行机车的更换或机车乘务组的换班以及解体
D. 铁路网上办理大量货物列车解体和编组作业

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A company has recently switched ISPs and is being assigned a new block of public addresses. The public web and FTP servers must be re-addressed to support this change. After changing IPaddresses and updating the DNS records many customers have reported that they are not able toaccess the web or FTP servers. Which of the following could have been done prior to makingthese changes to make it more transparent to users？（）

A. Reduce the TTL on the DHCP records.
B. Configure a primary DNS server for the PTR records.
C. Reduce the TTL on the DNS records.
D. Configure a caching only DNS server.

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A. Rack cooling equipment failure B. Dust collection in the server C. Server processor failure D. Server power supply failure

直接接触商品，并随商品进入零售网点，和消费者或客户直接见面的包装是：（）

ApowerlossduringafirmwareupdatewouldMOSTlikelyresultinwhichofthefollowing?（）

在铁路货物运输中，编组站的工作任务是：（）

A. Rack cooling equipment failure
B. Dust collection in the server
C. Server processor failure
D. Server power supply failure