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Which of the following are true regarding a network using a

题目
多选题
Which of the following are true regarding a network using a subnet mask of 255.255.248.0?（）
A

It corresponds to a Class A address with 13 bits borrowed.

B

It corresponds to a Class B address with 4 bits borrowed.

C

The network address of the last subnet will have 248 in the 3rd octet.

D

The first 21 bits make the host portion of the address.

E

This subnet mask allows for 16 total subnets to be created.

F

The subnetwork numbers will be in multiples of 8.

参考答案和解析
正确答案： A,C
解析： 暂无解析
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Which of the following devices would allow a technician using a packet sniffer to view all the dataon a network?()

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参考答案：B

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Which one of the following characteristics is true regarding the use of hubs and switches?

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E．Switches increase the number of collision domains in the network.


正确答案：E
解析：Explanation:Switchesincreasesthenumberofcollisionsdomainsinthenetwork.SwitchesthatareconfiguredwithVLANswillreducethesizeofthecollisiondomainsbyincreasingthenumberofcollisiondomainsinanetwork,butmakingthemsmallerthanthatofonebig,flatnetwork.IncorrectAnswers:A.SwitchesarecapableofVLANconfigurations,buthubsarenot.B.Hubsaregenerallytheleastcostlymethodpossibletoconnectmultipledevicestogetherinanetwork.C.Switchesforwardbroadcastsandmulticasts,bydefault,toallportswithinthesameVLAN.Onlyroutersblockallbroadcasttrafficbydefault.D.Switchesandhubscanbeequallyefficientinprocessingframes,intheory.Inpractice,switchesaregenerallymoreefficientastheyusuallyhavemoreCPUandmemoryallocatedtothem,andaregenerallymuchmoreexpensivethanasimplehub.

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Which two statements are true regarding the starting of the database instance using the following command?()SQL>STARTUP UPGRADE

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参考答案：B, D

第4题：

Which of the following statements regarding routed and routing protocols are true?（）

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第5题：

Which of the following is true regarding the use of switches and hubs for network connectivity()。

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Which of the following would contain information regarding network device alerts using SNMP?()

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第7题：

The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?()

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Which two statements are true regarding rescue configurations?()

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参考答案：B, D

第9题：

Which of the following is not true regarding IOS default settings for administrative distance?（）

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正确答案:C

第10题：

Which of the following is true regarding the effect of EIGRP queries on the network design？（）

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正确答案:C

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