Prework - Pre-Test

Question 1

What are the 4 general types of Virtualization?

Answer 1

• Bare-Metal Based-Hypervisor
• Software Based-Hypervisor
• Cloud Based
• Containerization

Question 2

What does the # stand for in BASH?

Answer 2

Comments the rest of the text so it isn’t executed

Question 3

What does RAM stand for?

Answer 3

Random Access Memory

Question 4

What would the following script display in the terminal?

echo hello world > /dev/null

Answer 4

Nothing

Question 5

What are the correct Linux Shell I/O (Input/Output) Streams?

Answer 5

• STDIN
• STDOUT
• STDERR

Question 6

Linux File System - What is the command line symbol for the root directory?

Answer 6

/

Question 7

Who wrote the Linux kernel?

Answer 7

Linus Torvald

Question 8

TCP, when initializing a connection, has a ____-way handshake?

Answer 8

3

Question 9

UDP stands for ____________?

Answer 9

User Datagram Protocol

Question 10

A switch is a hardware device that belongs on what layer of the OSI model?

Answer 10

Layer 2

Question 11

Information sent in layer 3 communications is called a _____?

Answer 11

Packet

Question 12

DHCP stands for ___________?

Answer 12

Dynamic Host Configuration Protocol

Question 13

By default (standard), what port does SSH operate on? (1-65535)

Answer 13

22

Question 14

Which of these is an example of a private IP address?

Answer 14

192. 168.17.0
     (192. 168.x.x)
     (172. 16.x.x)
     (10. x.x.x)

Question 15

Which of these is an example of a Floating Point data type?

Answer 15

3.75

Question 16

Which of the following Python keywords comprise a conditional statement?

Answer 16

• If
• Else
• Elif

Question 17

True or False: Python 3 is backwards compatible with Python 2.

Answer 17

False.

Question 18

Which of the following answers are simple data types?

Answer 18

• Floating Point Numbers
• String
• Integers

Question 19

Which of the following are compound data types?

Answer 19

• Lists

- Dictionaries

Question 20

What is a conditional statement?

Answer 20

A statement that controls the flow of execution depending on some condition.