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哪个单位被用来测量话务量？（）A、ErlangB、Bit/secondC、HertzD、Subscribers/kHzE、Subscribers/minute

题目

哪个单位被用来测量话务量？（）

  • A、Erlang
  • B、Bit/second
  • C、Hertz
  • D、Subscribers/kHz
  • E、Subscribers/minute
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相似问题和答案

第1题：

YouarecreatinganASP.NETWebsite.Thesitecontainspagesthatareavailabletoanonymoususers.ThesitealsocontainsapagenamedPremium.aspxthatprovidespremiumcontenttoonlymembersofagroupnamedSubscribers.Youneedtomodifytheweb.configfiletoensurethatPremium.aspxcanbeaccessedbyonlymembersoftheSubscribersgroup.Whichconfigurationshouldyouuse？（）

A.<locationpath="Premium.aspx"><system.web><authorization><allowusers="Subscribers"/><denyusers="*"/></authorization></system.web></location>

B.<locationpath="Premium.aspx"><system.web><authorization><allowroles="Subscribers"/><denyusers="*"/></authorization></system.web></location>

C.<locationpath="Premium.aspx"><system.web><authorization><allowroles="Subscribers"/><denyusers="?"/></authorization></system.web></location>

D.<locationpath="Premium.aspx"><system.web><authorization><denyusers="*"/><allowroles="Subscribers"/></authorization></system.web></location>


参考答案：B

第2题：

When multiple PPP over Ethernet subscribers connect using the same DSL modem, which two attributes does the ERX use to differentiate between subscribers? ()(Choose two.)

A. PPP session ID

B. subscriber name

C. source MAC address

D. destination MAC address


参考答案：A, C

第3题：

表示话务量的单位是()。

A.Erlang

B.Bitspersecond

C.Hertz


正确答案：A

第4题：

Subscribers to IT Monthly will have the__________to preview the new CR-G3 home com-puter before it becomes available to the general public.

A.progress
B.opportunity
C.play
D.juncture

答案：B
解析：
“have the opportunity”意为“有机会”。

第5题：

In a Bridged 1483 network, an ISP has received complaints from their subscribers of denial of service attacks.The ISP suspects these attacks are coming from other subscribers that share the same IP unnumbered interface on the ERX.What can be done to solve this problem?（）

A. Enable Proxy ARP.

B. Disable Proxy ARP.

C. Enable Inverse ARP.

D. Disable Inverse ARP.


参考答案：B

第6题：

Which CLI command displays the PPPoE customers that are currently connected to the ERX?()

A. show users

B. show connected

C. show subscribers

D. show ip subscribers


参考答案：C

第7题：

Which two statements are correct concerning DHCP Internal Server and DHCP External Server in the E－series router? ()(Choose two.)

A. They provide dynamic IP addresses for DSIs.

B. They provide dynamic IP addresses for SRC applications.

C. They provide dynamic IP addresses from pools for PPPoE subscribers.

D. They provide dynamic IP addresses from pools for Routed IP subscribers.


参考答案：A, B

第8题：

With the booming internet subscribers, ( ) in the information technology finally paid off.

A. invest

B. investigation

C. investment

D. debt


参考答案：C

第9题：

Which CLI command disconnects all subscribers on an ATM PVC?()

A.A

B.B

C.C

D.D


参考答案：D

第10题：

波特率的单位是（）。

  • A、baud per second
  • B、Byte per second
  • C、bit per second
  • D、Hz

正确答案:A

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