An administrator has purchased

题目

An administrator has purchased monitoring software that can be configured to alert administrators when hardware and applications are having issues. All devices are configured with SNMP, but the administrator wants to further secure the SNMP traffic. Which of the following settings would BEST provide additional monitoring security?()

  • A、Setting up a custom community name
  • B、Configuring the network to block traffic on port 161
  • C、Configuring the Windows Firewall to block port 161
  • D、Setting SNMP to read only on the devices
  • E、Installing new MIBs
参考答案和解析
正确答案:D,E
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An administrator has added a new device to a system and wants to determine if it has been correctly added to the ODM database. Which command would the system administrator use?()

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正确答案:A

第2题:

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第3题:

Jewel Co is setting up an online business importing and selling jewellery headphones. The cost of each set of headphones varies depending on the number purchased, although they can only be purchased in batches of 1,000 units. It also has to pay import taxes which vary according to the quantity purchased.

Jewel Co has already carried out some market research and identified that sales quantities are expected to vary depending on the price charged. Consequently, the following data has been established for the first month:

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正确答案:
(b)Thealgebraicmodelrequiresseveralassumptionstobetrue.First,theremustbeaconsistentrelationshipbetweenprice(P)anddemand(Q),sothatademandequationcanbeestablished,usuallyintheform.P=a–bQ.Here,althoughthereisaclearrelationshipbetweenthetwo,itisnotaperfectlylinearrelationshipandsomorecomplicatedtechniquesarerequiredtocalculatethedemandequation.ItalsocannotbeassumedthatalinearrelationshipwillholdforallvaluesofPandQotherthanthefivegiven.Similarly,theremustbeaclearrelationshipbetweendemandandmarginalcost,usuallysatisfiedbyconstantvariablecostperunitandconstantfixedcosts.Thechangingvariablecostsperunitagaincomplicatetheissue,butitisthechangesinfixedcostswhichmakethealgebraicmethodlessusefulinJewel’scase.Thealgebraicmodelisonlysuitableforcompaniesoperatinginamonopolyanditisnotclearherewhetherthisisthecase,butitseemsunlikely,soany‘optimum’pricemightbecomeirrelevantifJewel’scompetitorschargesignificantlylowerprices.Othermoregeneralfactorsnotconsideredbythealgebraicmodelarepoliticalfactorswhichmightaffectimports,socialfactorswhichmayaffectcustomertastesandeconomicfactorswhichmayaffectexchangeratesorcustomerspendingpower.Thereliabilityoftheestimatesthemselves–forsalesprices,variablecostsandfixedcosts–couldalsobecalledintoquestion.

第4题:

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第5题:

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正确答案:B

第7题:

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第8题:

A system administrator has placed an AIX base media CD-ROM in a server and initiated a reboot. The server has an ascii terminal attached to it. Which key or key combination must the administrator press to initiate the maintenance mode?()

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第9题:

An administrator is planning to bring a newly purchased server online. Which of the following should the administrator do FIRST?()

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正确答案:A

第10题:

An administrator has purchased monitoring software that can be configured to alert administrators when hardware and applications are having issues.  All devices are configured with SNMP, but the administrator wants to further secure the SNMP traffic.  Which of the following settings would BEST provide additional monitoring security?()

  • A、Setting up a custom community name
  • B、Configuring the network to block traffic on port 161
  • C、Configuring the Windows Firewall to block port 161
  • D、Setting SNMP to read only on the devices
  • E、Installing new MIBs

正确答案:A,D

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