CIW 1D0-735 Exam Practice Test Instant Access

Question 1

Which of the following best describes how JavaScript communicates with databases when used with AJAX?

AIt provides a limited set of database operations such as retrieving data and displaying it back to the originating Web page.

BIt performs back-end database operations such as modifying the database schema.

CIt is used to change database security permissions.

DIt was designed to perform queries on databases.

Answer : D

Question 2

Which of the following is not a best practice when using JavaScript libraries?

ADevelopers should ensure the library functions they use are cross-browser compatible for the version of HTML they are using.

BDevelopers should link to the library file and to each plug in script in the <head> section of the HTML document using the <script> tag.

CDevelopers should use plugins from a variety of JavaScript libraries to ensure compatibility.

DDevelopers should become familiar with one library then optimize HTML code with that specific library in mind.

Answer : A

Question 3

Consider the following code.

Which of the following will occur if the user's response is 25?

AThe response will not be tested due to an error in the line containing the conditional operator.

BThe statement 'You are not old enough to rent a car from our car rental agency ' will be displayed.

CThe statement 'You are old enough to rent a car from our car rental agency ' win be displayed.

DThe statement You are not old enough' will be displayed in an alert box.

Answer : D

Question 4

Consider this source code:

Giam needs to write a script to access the first element in the source code. What code should he use?

Avar first = document .getElementById(''condiments1'') [1];

Bvar first = document .getElementById(''input'');

Cvar first = document .getElementById(''condiments'') [0];

Dvar first = document .getElementByIdTagName (''input'') [1]

Answer : C

Question 5

Which of the following comparison statement will return true?

X=10;

Y=11;

y--;

x==y

X=10;

Y=11;

Y++;

x==y'

X=11;

Y=10;

y--;

x==y;

X=11;

Y=10;

y-= 1;

x==y

AOption A

BOption B

COption C

DOption D

Answer : D

Question 6

Geraldine is creating a custom object to store user account data on her Web site. She has written the following code it is not working properly. What change should she make to enable the script to run correctly?

AShe must remove the this keyword from the left side of the assignment variables

BShe must add the parameters username. password and email to the function definition

CShe must change the this keyword to the object keyword on the left side of the assignment variables

DShe must change the function keyword to the object keyword in the function definition

Answer : A

Question 7

Consider the following code:

What will be displayed for the computer inventory after the Update Inventory button is clicked twice?

A18

B19

C20

D22

Answer : C

CIW JavaScript Specialist 1D0-735 Exam Practice Test