What does it mean for code to be minified?
a. It's typed in really small font like 6pt.
b. It's written only referencing functions contained in a library or API so that you only need to
look at the function calls and not the definitions.
c. All of the spaces are removed from the code so that it is unreadable. correct answers c
When we inspect an element through developer tools, we are looking at:
a. The page as it was intended to work.
b. The state of the page before it was loaded.
c. The current state of the page while it is being loaded.
d. The current state of the page after it has been loaded. correct answers d
In the Chrome Developer Tools, this panel is so useful that it is accessible from every panel.
a. Console panel
b. Elements panel
c. Sources panel
d. Application panel correct answers a
Developer tools can help with:
I. Testing and debugging a site or web app.
II. Diagnosing problems quickly on a site or web app.
III. Building and maintaining a more secure site or web app.
IV. Modifying site or web app elements and sending the changes back to the server.
V. Changing code in real time to see how it impacts the site or web app on the fly.
a. I, II, III, IV, and V
b.IV only
c. I, II, III, and V correct answers c
Which of the following describe databases:
I. They are organized collections of data (e.g., text, images, videos, audio, geospatial, tabular)
II. They are an electronic system that allows data to be easily accessed, manipulated and updated
III. They are exactly like spreadsheets.
IV. They are managed with Database Management Systems (DBMS)
, V. They are like spreadsheets in that they have rows and columns.
VI. They differ from spreadsheets in that they are organized into tables and can store a lot more
data.
VII. They can be queried with languages like SQL (Structured Query Language)
a. I, II, III, IV, V, VI, and VII
b. All except III
c. I, II, and III
d. III, V, and VI correct answers b
What is the correct hierarchy of elements for a database schema (overall design / organization) ?
a. Record, Field, Database, File (Table)
b. Database, Record, Field, File (Table)
c. Database, File (Table), Record, Field
d. Database, File (Table), Field, Record correct answers c
Which of the following are TRUE about servers?
I. Examples of servers include web servers, mail servers, and file servers.
II. Servers provide resources to client devices.
III. Most servers have a one-to-many relationship with clients.
IV. A single server can provide multiple resources to multiple clients at one time.
V. A server device typically stores files and databases including more complex applications like
Web sites.
VI. Server devices often feature higher-powered central processors, more memory, and larger
disk drives than clients.
VII. A server computer program or application provides functionality for client programs or
devices.
VIII. Servers can provide various functionalities, often called "services", such as sharing data or
resources among multiple clients, or performing computation for a client.
IX. Typical servers are database servers, file servers, mail servers, print servers, web servers, ga
correct answers a
Which of the following are TRUE about clients?
I. Client devices are typically personal computing devices with network software applications
installed.
II. Clients are very similar to Database Management Systems or DBMSs.
III. Client devices request and receive information over the network or Internet.
IV. Examples of client devices are mobile devices like your smart phone, tablets, iPads, laptops
and also desktop computers.
V. A client is an electronic system that allows data to be easily accessed, manipulated and
updated.