Основы Информационных Систем (вопросы к спец экзамену)

Каримжан Н.Б.

Кол-во заданий: 188

Question 1

Is the follwing DTD definition valid ?

<! ELEMENT RPLClient (TestSession)?>

Ответ:

Верно Неверно

Question 2

Are DTDs well formed XML documents ?

Ответ:

Верно Неверно

Question 3

Select which of the following XML documents are well-formed XML documents.

Выберите один ответ.

a. <productname>Dehumidifier "XZ001" </productname>

b. <productname/ >

c. <productname>”Water Purifier(<<6>>)”</productname>

d. <productname>Electric Water Heater&piccoro_</productname>

Question 4

It can convert your applications into Web-applications

Выберите один ответ.

a. Web programs;

b. Not all;

c. Web;

d. Web Services;

Question 5

What will be the result of the following statement?

SELECT ROUND(123.895, 2)

Ответ:

Question 6

XSLT is:

Выберите один ответ.

a. Extended Stylesheet Language Transformation;

b. Extensible Style Language Transformation;

c. Extensible Stylesheet Language Translators;

d. Extensible Stylesheet Language Transformation;

Question 7

XPath expressivity sufficient...

Выберите один ответ.

a. no changes to the XML structure possible

b. no quantifiers (as in SQL)

c. no join queries (as in SQL)

d. no aggregation and functions

e. no simple navigation through the tree

Question 8

Difference between IS & IT. What statement is right?

Выберите по крайней мере один ответ:

a. IS falls under the IT's umbrella

b. IT falls under the IS's umbrella

c. No difference, they are synonymous

d. Web-server and OS is IS

e. Pencil and paper is writing IS

Question 9

When creating a DTD for an existing XML document, when should you determine the root element? Please select all the correct answers.

Выберите по крайней мере один ответ:

a. Before you determine the document tree structure for the elements

b. As the first step

c. As the final step

d. After you list all the elements used in the document

e. Only if your document will not render the document in a browser

Question 10

Which one of the following represents a correct order for

Выберите один ответ.

a. INSERT, INTO, WHERE, AND, VALUES

b. INSERT, INTO, SELECT, FROM, WHERE

c. INSERT, INTO, VALUES, FROM, WHERE

d. INTO, INSERT, VALUES, FROM, WHERE

e. SELECT, FROM, WHERE, INSERT, INTO

Question 11

Write a query that will find all of the fields in the car table for those cars that were sold. Use a SUBQUERY with IN.

Car(carid, name, model, year, maker)

Carsale(carid, stickerprice, dealercost)

Ответ:

Question 12

Which clause specifies conditions that determines the groups included in the query?

Выберите один ответ.

a. exists

b. where

c. having

d. distinct

e. union

Question 13

Why Use a DTD? Select wrong sentence:

Выберите один ответ.

a. With a DTD, independent groups of people can agree to use a standard DTD for interchanging data.

b. With a DTD, we can keep information about foreign references to outside data files

c. With a DTD, each of your XML files can carry a description of its own format.

d. You can also use a DTD to verify your own data.

e. Your application can use a standard DTD to verify that the data you receive from the outside world is valid.

Question 14

Which clause you can use to restrict groups returned by a grouped query.

Выберите один ответ.

a. WHERE

b. DISTINCT

c. RESTRICT

d. HAVING

e. DISTINCTROW

Question 15

DBMS. Form is..

Выберите один ответ.

a. a collection of records for a single subject

b. simplifies data entry by displaying one record at a time

c. selects data based on selection criteria

d. formatted information suitable for distribution

e. a collection of related tables and objects

Question 16

DTD comments are in the same format as XML comments ?

Ответ:

Верно Неверно

Question 17

What is result of Global Integration? If a.R1(prof, course, university) and b.R2(title, prof, course)

Выберите один ответ.

a. Global(prof,course,title,university)

b. Global(a.prof,a.course,b.title,a.university)

c. Global(b.title,a.university)

d. Global(title,university)

Question 18

Operations Support Systems are

Выберите по крайней мере один ответ:

a. Executive information systems

b. Process control systems

c. Office automation systems

d. Transaction processing systems

e. Management information systems

Question 19