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●采用可变长子网掩码VLSM技术可以把大的网络分成小的子网,例如把子网掩码为255.255.0.0的网络40.15.0.0分为两个子网,假设第一个子网为40.15.0.0/17,则第二个子网为 (28) 。假设用户Xl有2000台主机,则至少应给他分配 (29) 个C类网络,如果分配给用户Xl的网络号为196.25.64.0,则指定给Xl的子网掩码为 (30) ;假设给用户X2分配的C类网络号为196.25.16.0~196.25.31.0,则X2的子网掩码应为 (31) ;如果路由器收到一个目标地址为11000100.00011001.01000011.00100001的数据报,则该数据报应送给 (32) 用户。 (28) A.40.15.1.0/17 B.40.15.2.0/17 C.40.15.100.0/17 D.40.15.128.0/17 (29) A.4 B.8 C.10 D.16 (30) A.255.255.255.0 B.255.255.250.0 C.255.255.248.0 D.255.255.240.0 (31) A.255.255.255.0 B.255.255.250.0 C.255.255.248.0 D.255.255.240.0 (32) A.Xl B.X2 C.Xl和X2 D.非Xl且非X2
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【单选题】Two items under Long-term Debt are shown as liabilities. One, labeled "current portion", amounts to $500. The other, listed under noncurrent liabilities, amounts to $2,000. Evidently, the total amount...
A.
$ 2,000
B.
$ 500
C.
$ 2,500
D.
$ 1,500
【单选题】该反应叫做__
A.
酰化反应
B.
酯化反应
C.
烷基化反应
D.
克莱门森反应
【单选题】GAN ’ s statement of financial position is as follows: Year 2017 Year 2018 Current assets $2140 $2346 Net fixed assets 6770 7087 Total assets 8910 9433 Current liabilities 994 1126 Long-term debt 2869...
A.
$170
B.
$190
C.
$180
D.
$200
【多选题】下列有关委托贷款利息处理正确的是( )
A.
计息时作挂账处理,实收后按委托人要求上划
B.
计息时不作任何账务处理,实收后按委托人要求上划
C.
根据委托协议决定是否作账务处理
D.
实收利息后,按合同规定的分成比例,计算手续费。
【单选题】The total amount owed to Robert by his customers at 30 November 20X7 was $78,600.His allowance for receivables at 1 December 20X6 was $1,200.On 30 November 20X7,Robert determined that a balance of $60...
A.
Irrecoverable debt expense            Trade Receivables
B.
Cash and bank                                 Irrecoverable debt expense
C.
Allowance for receivables               Trade Receivables
D.
Cash and bank                                Allowance for receivables
【单选题】The total amount owed to Robert by his customers at 30 November 20X7 was $78,600.His allowance for receivables at 1 December 20X6 was $1,200.On 30 November 20X7,Robert determined that a balance of $60...
A.
A debit entry in the revenue account
B.
A credit entry in the revenue account
C.
A debit entry in the trade receivables account
D.
A credit entry in the trade receivables account
【简答题】(2011年湖北宜昌,23题)化学反应中物质所含元素的化合价发生变化的反应叫做氧化—还原反应,如H 2 +Cl 2 2HCl,反应前后氢元素和氯元素的化合价发生了变化,该反应是氧化—还原反应。我能写出实验室制取二氧化碳的化学方程式________,该反应________(填“是”或“不是”)氧化—还原反应。经过类比分析,我发现四种化学反应基本类型中肯定属于氧化—还原反应的是________。
【简答题】化学反应中物质所含元素的化合价发生变化的反应叫做氧化—还原反应,如H 2 +Cl 2 ==2HCl,反应前后氢元素和氯元素的化合价发生了变化,该反应是氧化—还原反应。实验室制取二氧化碳反应的化学方程式是___________,该反应___________(填“是”或“不是”)氧化—还原反应。
【单选题】下列不属企业制度基本内容的是
A.
产权制度
B.
组织制度
C.
管理制度
D.
人事制度
【单选题】SUN ’ s statement of financial position is as follows: Year 2017 Year 2018 Current assets $2140 $2346 Net fixed assets 6770 7087 Total assets 8910 9433 Current liabilities 994 1126 Long-term debt 2869...
A.
$71
B.
($79)
C.
$81
D.
($99)
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