ISO7498-2标准涉及的5种安全服务是(1)。可信赖计算机系统评价准则(TCSE

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问题:

ISO7498-2标准涉及的5种安全服务是(1)。可信赖计算机系统评价准则(TCSEC)把计算机系统的安全性分为4大类7个等级,其中的C2级是指(2)。

空白(2)处应选择()

A.安全标记保护

B.自主式安全保护

C.结构化安全策略模型

D.受控的访问保护

考点:高级系统架构师系统安全性和保密性系统安全性和保密性题库
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假设开发法估价中运用动态分析法时其折现率可理解为既包含资金的利率,又包含开发利润率。()

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Most likely, you aren’t the family breadwinner. But doing a small job or getting a weekly allowance(零花钱) would put some money in your pocket. For kids and grown-ups alike, money is easy to spend. If you aren’t careful, it can be going in no time.
Being responsible with your money is an important skill to learn — and the sooner you start the better. Whether you are tracking your spending or saving for something special, creating a budget can help you deal with your expenses and plan for the future. All you need are paper and a pencil — and some self-control.
First, take a look at our sample monthly budget. Then, use a separate sheet of paper to plan your own. In the first two columns(栏), list your sources of income and how much you expect to earn from them. In the third and fourth columns, list what you expect to spend your money on and the amount.
The left-hand total should be more than or equal to the right-hand total. If it is, you have an effective budget.
Budgets are not complex, but sticking to them can be tough. When planning your budget, be realistic about your expenses. If you know that you drop $18 at a movie, don’t write $12 in that space simply because you wish you were spending less.
If you are eyeing a big purchase, such as a $150 skateboard, spend less and save more until you have the total amount. No matter how attractive it may be, avoid spending your savings. One day, you will thank yourself!
Monthly Income
Amount
Monthly Expense
Amount
Allowance (零花钱)
$20.00.
Snacks
$20.00
Money earned selling drinks
$25.00
Music downloads
$12.00
Money earned babysitting 
$12.50.
Movies
$18.00
Money earned delivering newspapers
$30.00
Video rental
$10.00
Total
$87.50
Total
$66.00
1. Who is the passage written for?
A. Children.      B. Parents.     C. Breadwinners.    D. Bank managers.
2. The purpose of making a budget is to help people _________.
A. learn to be realistic              B. increase their saving 
C. manage their money well            D. test their power-control
3. What should people do when planning a budget?
A. Fill in the expenses as they really are.    
B. Avoid spending money on expensive things.
C. Set aside a fixed amount of money as savings.
D. List income and expenses on two pieces of paper.
4. Which of the following budgets is effective?
A.
Monthly Income
Amount
Monthly Expenses
Amount
Allowance(零花钱)
$20.00
Money earned
walking dogs
$20.00
Bus fares
$40.00
Movies
$28.00
Total
$60.00
Total
$48.00
B. 
Monthly Income
Amount
Monthly Expenses
Amount
Allowance(零花钱)
$20.00
Movies
$30.00
Money earned
washing cars
$10.00
Bus fares
$10.00
Total
$30.00
Total
$40.00
C. 
Monthly Income
Amount
Monthly Expenses
Amount
Allowance(零花钱)
$27.50
Money earned
selling drinks
$22.00
Money earned
$22.50
Birthday gifts
$28.00
Total
$50.00
Total
$50.00
D. 
Monthly Income
Amount
Monthly Expenses
Amount
Allowance(零花钱)
$26.00
Radio rentals
$22.00
Money earned
doing yard work
$24.00
Birthday gifts
$28.00
Total
$50.00
Total
$50.00
5. The passage mainly tells us ________.
A. the importance of making a budget        B. how to make a budget
C. how to form good habits   D. how to spend money
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能通阳散结,善治胸痹的药物是()

A.陈皮

B.川楝子

C.薤白

D.柴胡

E.郁金

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境内机构在借入外债时必须到外汇局办理()

A.外债登记

B.基本情况登记

C.外汇登记

D.备案登记

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