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When comparing CPE and provider-provisioned VPNs （PPVPN）， wh

题目
多选题
When comparing CPE and provider-provisioned VPNs （PPVPN）， which two statements are true？（）
A

CPE VPN’s require dedicated VPN aware hardware at customer site， PPVPN does not.

B

PPVPN’s require dedicated VPN aware hardware at customer site， CPE VPN’s does not.

C

CPE VPN’s scale better than PPVPN’s as they do not require a per site configuration on the CPE

D

PPVPN’s scale better than CPE VPN’s as they do not require a per site configuration on the CPE

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相似问题和答案

第1题：

(b) Ratio analysis in general can be useful in comparing the performance of two companies, but it has its limitations.

Required:

State and briefly explain three factors which can cause accounting ratios to be misleading when used for

such comparison. (6 marks)


正确答案：
(b) (i) One company may have revalued its assets while the other has not.
(ii) Accounting policies and estimation techniques may differ. For example, one company may use higher depreciation rates
than the other.
(iii) The use of historical cost accounting may distort the capital and profit of the two companies in different ways.
Other answers considered on their merits.

第2题：

在SQL语句中，与表达式“仓库号NOT IN(“wh1”，“wh2”)”功能相同的表达式是

A．仓库号=“wh1”AND仓库号：“wh2”

B．仓库号!=“wh1”OR仓库号：=“wh2”

C．仓库号＜＞“wh1”OR仓库号!=“wh2”

D．仓库号!=“wh1”AND仓库号!=“wh2”


正确答案：D
解析：题干中给出的表达式：“仓库号NOT IN(“wh1”，“wh2”)”表示仓库号不是“wh1”并且不是“wh2”。符号“!=”表示的是不等于，因此正确答案为选项D。选项A表示仓库号等于“wh1”并且等于“wh2”，选项B表示仓库号不等于“wh1”或者等于“wh2”。选项C表示仓库号不等于“wh1”或者不等于“wh2”。因此选项 D为正确答案。

第3题：

When comparing the cost of competing projects, which of the following is typically NOT considered?

A.Opportunity costs.

B.Direct costs.

C.Sunk costs.

D.Indirect costs.

E.Burden rates.


正确答案：C
C

第4题：

When comparing DSL broadband to cable broadband, which of the following is an advantage ofDSL broadband?()

A. Upgraded copper lines allow maximum speed greater than cable

B. Signal is not shared back to the switch

C. Signal is shared back to the switch

D. Distance is not a factor in signal speed


参考答案：B

第5题：

What are three examples of a provider－provisioned VPN supported by JUNOS software? ()

A. L2F

B. PPTP

C. Circuit cross-connect

D. Draft-Martini-based VPNs

E. Draft-Kompella-based VPNs


参考答案：C, D, E

第6题：

When a sentence changes from a statement to a general／ special question, which movement is struc－turally required

A NP–movement/WH-movement

B NP–movement/Aux-movement

C AUX-movement/WH–movement

D WH–movement/AUX-movement


答案：C

第7题：

在SQL语句中，与表达式“仓库号NOT IN（"whl ","wh2")”功能相同的表达式是A）仓库号="wh1"AND仓库号="wh2"B）仓库号!="whl" OR仓库号="wh2"C) 仓库号<>"wh 1" OR仓库号！="wh2"D）仓库号!="whl" AND仓库号!= "wh2"


正确答案：D
题千中给出的表达式：“仓库号 NOT IN("wh1""wh2")”表示仓库号不是"wh1"并且不是"wh2"。符号“！=”表示的是，不等于，因此正确答案为选项D。选项A表仓库号等于"whl"并且等于"wh2"，选项B表示仓库号不等于"whl"或者等于"wh2"。选项C表示仓库号不等于"whl"或者不等于"wh2"。因此选项D为正确答案。

第8题：

________learning merely from the text，this approach has many benefits for thestudents．

A． Comparing to

B． Compared to

C． Comparing with

D． Compared with


正确答案：D
.1.D【解析】this approach与compare之间是被动关系，所以要用过去分词}又因为表示“与……比较”用介词with，故答案为D。

第9题：

WhencomparingCPEandprovider－provisionedVPNs(PPVPN),whichtwostatementsaretrue?()

A.CPEVPN’srequirededicatedVPNawarehardwareatcustomersite，PPVPNdoesnot.

B.PPVPN’srequirededicatedVPNawarehardwareatcustomersite，CPEVPN’sdoesnot.

C.CPEVPN’sscalebetterthanPPVPN’sastheydonotrequireapersiteconfigurationontheCPE

D.PPVPN’sscalebetterthanCPEVPN’sastheydonotrequireapersiteconfigurationontheCPE


参考答案：A, D

第10题：

CPE与MiFi的业务模式有何区别?MiFi()CPE()


参考答案：用户可以使用MiFi快速的设置一个小型无线局域网将4G网络信号转换成手机、平板电脑、笔记本电脑都通过WiFi信号。相对MiFi覆盖范围更大同时容纳更对的WiFi用户接入功能与无线路由器相似。

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