Final Exam

Question 1

To organize network cabling, a network use _____________

Answer 1

Structured cabling

Question 2

What is the fancy name for the wiring closet?

Answer 2

Intermediate DIstribution Facility

Question 3

This is a set of network closets and wiring that brings network connectivity out to the desktops

Answer 3

Intermediate Distribution Facility

Question 4

This requires to be physically protected

Answer 4

Intermediate Distribution Facility

Question 5

What are the USENIX / LISA / LOPSA Code of Ethics for System Administrators?

Answer 5

Professionalism
Personal Integrity
Privacy
Laws and Policies
Communication
System Integrity
Education
Responsibility to Computing Community
Social Responsibility
Ethical Responsibility

Question 6

What are Linux Distributions?

Answer 6

These are operating systems that share the same Linux Kernel, buy differ by the set of tools, applications, and package managers that they come with

Question 7

Linux distros may come in?

Answer 7

Readily compiled or in code form

Question 8

What are the some common distros?

Answer 8

Red Hat - Built to be more suited for use on servers
Open SUSE - Targetted for software developers and system administrators
Debian - Community backed distribution which directly supports several non-intel / AMD platforms
Ubuntu - Most popular desktop / server distro derived from Debian
Android - Uses the Linux kernel, but lacks support for many tools

Question 9

These can be used to specify patterns to match filenames in a directory

Answer 9

Metacharacters also referred as wildcards

Question 10

Metacharacters are interpreted by the shells first before running a command [True or false]

Answer 10

True

Question 11

This command shutdowns or reboots the system

Answer 11

shutdown [time] [message]

Question 12

Linux has a built-in account called?

Answer 12

Root

Question 13

This is the account that is the super user in a Linux system

Answer 13

Root account

Question 14

What is the user ID of the root account in /etc/passwd file?

Answer 14

o

Question 15

How do you add a user as a sudoer?

Answer 15

by adding them in the sudo list

Question 16

What is cron?

Answer 16

It allows an administrator or user to setup a program or application to be executed by the system at a specific time

Question 17

The root account has automatic access to the ‘cron’ utility [True or false]

Answer 17

True

Question 18

The ________ permission prevents non-root, non-owners from deleting a file or directory

Answer 18

Sticky bit permission

Question 19

How would you know if sticky bit permission is enabled in a directory or file?

Answer 19

list them and has ‘t’

Question 20

a web server provides support _____________

Answer 20

HTTP (Hyper Text Transfer Protocol)

Question 21

________ is a set of rules for communication between two computers

Answer 21

Protocol

Question 22

_________ is a textual, stateless protcol

Answer 22

HTTP

Question 23

This refers to all commands are plain text and human-readable

Answer 23

Textual

Question 24

This refers to neither the server nor the client remember previous communications

Answer 24

Stateless

Question 25

____________ Refers to protecting networks and computer systems from damage to or theft of software, hardware, or data.

Answer 25

Web Security

Question 26

What purpose does web security serve?

Answer 26

Maintains smooth operation of any business that uses computers and prevents hackers and malware from manipulating your systems

Question 27

These are threats involve malcious people and organizations as well as the tools they use to leverage the internet to infiltrate

Answer 27

Web security threats

Question 28

Give samples of web security attacks:

Answer 28

HTTP Denial Of Service No rate Limiting No role base account Misconfig/no backup