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Computer Networking Semester 1 Final Exam

Total questions: 85

Worksheet time: 43mins

Name
Class
Date
1.

Which component of the CIA Triad ensures that data is protected from unauthorized access?

a)

Confidentiality

b)

Integrity

c)

Availability

d)

Authentication

2.

The principle that guarantees data has not been altered or tampered with is known as:

a)

Confidentiality

b)

Integrity

c)

Availability

d)

Non-repudiation

3.

A DDoS attack, which prevents legitimate users from accessing a service, is a direct violation of which CIA Triad component?

a)

Confidentiality

b)

Integrity

c)

Availability

d)

Accountability

4.

What is the primary purpose of authentication in a security system?

a)

To encrypt data

b)

To verify a user's identity

c)

To ensure data is available

d)

To prevent malware infections

5.

A password or a PIN code is an example of which authentication factor?

a)

Something you know

b)

Something you have

c)

Something you are

d)

Something you do

6.

Using a physical key card or a security token to log in is an example of:

a)

Something you know

b)

Something you have

c)

Something you are

d)

Something you do

7.

Biometric verification, such as a fingerprint scan or facial recognition, falls under which category of authentication?

a)

Something you know

b)

Something you have

c)

Something you are

d)

Somewhere you are

8.

An attack that attempts to guess a password by systematically trying every possible combination of characters is called a:

a)

Dictionary attack

b)

Phishing attack

c)

Brute force attack

d)

Password spraying attack

9.

Which type of password attack uses a precompiled list of common words and phrases?

a)

Brute force attack

b)

Dictionary attack

c)

Rainbow table attack

d)

Man-in-the-middle attack

10.

An attacker attempts to log in to many different accounts using a single, commonly used password (like "Password123"). This technique is known as:

a)

Brute force attack

b)

Dictionary attack

c)

Password spraying

d)

Credential stuffing

11.

What is the primary purpose of password hashing?

a)

To encrypt the password for transmission

b)

To convert a password into an irreversible string of characters

c)

To compress the password to save database space

d)

To create a temporary backup of the password

12.

A precomputed table used for reversing cryptographic hash functions to crack passwords is a:

a)

Salt table

b)

Dictionary

c)

Rainbow table

d)

Brute force list

13.

In password security, what is the purpose of a "salt"?

a)

A common password used for testing

b)

A secret key shared between a user and server

c)

Random data added to a password before it is hashed

d)

The algorithm used to perform hashing

14.

Which of these best describes Multi-Factor Authentication (MFA)?

a)

Using a very long and complex password

b)

Requiring two or more verification methods to log in

c)

Changing your password multiple times

d)

Using the same password for multiple accounts

15.

All Two-Factor Authentication (2FA) is MFA, but not all MFA is 2FA. This statement is true because:

a)

MFA can involve more than two factors

b)

2FA and MFA are identical terms

c)

2FA only uses biometrics

d)

MFA is a weaker form of 2FA

16.

Which malware requires a host program to spread and works by inserting its code into other programs?

a)

Worm

b)

Trojan

c)

Virus

d)

Spyware

17.

A standalone malicious program that replicates itself to spread to other computers is called a:

a)

Virus

b)

Worm

c)

Rootkit

d)

Logic Bomb

18.

Malware disguised as a legitimate program, like a free game that secretly contains malicious code, is an example of a:

a)

Worm

b)

Virus

c)

Trojan

d)

Dictionary Attack

19.

A Remote Access Trojan (RAT) provides an attacker with unauthorized administrative control, which is a type of:

a)

Backdoor

b)

Spam

c)

Adware

d)

Logic Bomb

20.

What is the key difference between a computer virus and a worm?

a)

A virus is always more destructive than a worm

b)

A worm self-replicates, while a virus needs a host file

c)

A virus targets operating systems, while a worm targets applications

d)

Worms are created by states; viruses by individuals

21.

What type of malware is designed to execute a malicious action when a specific condition is met, such as on a particular date or after a certain number of logins?

a)

Rootkit

b)

Logic Bomb

c)

Worm

d)

Spyware

22.

A clandestine computer program designed to provide continued privileged access to a computer while actively hiding its presence is known as a:

a)

Rootkit

b)

Backdoor

c)

Adware

d)

Virus

23.

An attack that exploits a previously unknown vulnerability in a computer application or operating system is called a:

a)

Brute Force Attack

b)

Dictionary Attack

c)

Zero-Day Attack

d)

Password Spraying

24.

Which term describes a prolonged and targeted cyberattack in which an intruder gains access to a network and remains undetected for an extended period?

a)

Advanced Persistent Threat (APT)

b)

Denial-of-Service (DoS)

c)

Logic Bomb

d)

Spam

25.

A type of malware that encrypts a victim’s files and demands payment to restore access is called:

a)

Spyware

b)

Adware

c)

Rootkit

d)

Ransomware

26.

What is the name for malware that secretly observes the user’s computer activities without permission and reports it to the software’s author?

a)

Trojan

b)

Adware

c)

Spyware

d)

Ransomware

27.

A program that automatically delivers advertisements to a computer, often in the form of pop-ups, is known as:

a)

Adware

b)

Logic Bomb

c)

Worm

d)

Spyware

28.

Software that a user may perceive as unwanted, which is often installed alongside a desired program, is referred to as a:

a)

Virus

b)

Rootkit

c)

Potentially Unwanted Program (PUP)

d)

Advanced Persistent Threat (APT)

29.

Unsolicited and unwanted email messages, often sent in bulk to a large list of recipients, are commonly known as:

a)

Malware

b)

Phishing

c)

Spam

d)

Adware

30.

Which of the following best distinguishes a rootkit from other types of malware like viruses or trojans?

a)

It encrypts files for ransom

b)

It actively hides its own presence

c)

It self-replicates across networks

d)

It is delivered via email attachments

31.

Which of the following best describes a Command Line Interface (CLI)?

a)

A graphical display with icons and windows

b)

A text-based method for interacting with a computer

c)

A security protocol for encrypting data

d)

A type of malware that steals credentials

32.

What is the primary role of an operating system (OS)?

a)

To protect a computer from viruses

b)

To manage computer hardware and software resources

c)

To provide a database for storing user files

d)

To connect a computer to the internet

33.

The process of creating a software-based, or “virtual,” version of a computer, with dedicated amounts of CPU, memory, and storage that are “borrowed” from a physical host computer is known as:

a)

Password hashing

b)

Virtualization

c)

Authentication

d)

Rootkit installation

34.

An emulation of a computer system that operates based on the computer architecture and functions of a real or hypothetical computer is called a:

a)

Logic Bomb

b)

Virtual Machine (VM)

c)

Remote Access Trojan (RAT)

d)

Rainbow Table

35.

What is the primary purpose of a firewall in network security?

a)

To monitor employee internet activity

b)

To block unauthorized access while allowing legitimate communication

c)

To encrypt data transmissions over the internet

d)

To provide a backup of network data

36.

Which of the following is an example of multi-factor authentication (MFA)?

a)

Using a password and a fingerprint scan

b)

Using only a username and password

c)

Logging in from the same device every time

d)

Changing your password regularly

37.

What does the CIA Triad stand for in cybersecurity?

a)

Confidentiality, Integrity, and Availability

b)

Control, Inspection, and Authorization

c)

Confidentiality, Identification, and Access

d)

Communication, Integrity, and Authentication

38.

What is the main purpose of encryption in cybersecurity?

a)

To authenticate users

b)

To scramble data to prevent unauthorized access

c)

To create backups of data

d)

To monitor network traffic

39.

Encrypting a laptop’s hard drive primarily protects which aspect of the CIA Triad?

a)

Availability

b)

Confidentiality

c)

Integrity

d)

Authentication

40.

What is phishing in the context of cybersecurity?

a)

A technique to securely transmit data

b)

A cyberattack that tricks users into revealing sensitive information

c)

A method of encrypting emails

d)

A protocol for authenticating devices on a network

41.

Which two of the following steps of hacking are most likely to involve the use of social engineering? (pick 2)

a)

Recon / Footprinting

b)

Scanning / Probing

c)

Gaining Access

d)

Covering Tracks

42.

What is the goal of social engineering?

a)

To make people behave better

b)

To help people make more friends

c)

To get an authorized user to give information to an unauthorized person

d)

To have an unauthorized user to determine a user's password using brute force

43.

What is the main method used in social engineering?

a)

Deception

b)

Brute Force

c)

Complex Algorithms

d)

Ransom Attacks

44.

Which is NOT a reason that Social Engineering is so successful?

a)

Humans want to avoid confrontation

b)

Humans are good at problem solving

c)

Humans make sloppy mistakes

d)

Humans want to be helpful

45.

Which of the following Social Engineering techniques are best protected against by use of a security guard or turnstile?

a)

Piggybacking

b)

Shoulder Surfing

c)

Dumpster Diving

d)

Baiting

46.

Which of the following is NOT a technique of social engineering?

a)

Shoulder Surfing

b)

Piggybacking

c)

Dumpster Diving

d)

Knee Capping

47.

Which is considered the single biggest threat in the digital world and was used in 67% of cyber attacks last year?

a)

Dumpster Diving

b)

Piggybacking

c)

Shoulder Surfing

d)

Phishing

48.

Which of the following is NOT an indication that the email might be a phishing email?

a)

URL doesn't match the text

b)

Misspellings

c)

Email was sent in the middle of the night

d)

Sender and email address don't match

49.

Which of the following is a phishing attack that targets a specific individual or organization?

a)

Spear-phishing

b)

Vishing

c)

Smishing

d)

Wishing

50.

In order for data to be considered OSINT, it must satisfy which of the two conditions below? (Pick two)

a)

Recent

b)

Free

c)

Public

d)

Accurate

51.

Which of the following would NOT be considered OSINT?

a)

Twitter

b)

YouTube

c)

Google Maps

d)

Google Classroom

52.

Which of the following is NOT part of the steps in mitigating human risk when pertaining to cybersecurity?

a)

Developing Policies

b)

Faster Computers

c)

User Training

d)

Developing Procedures

53.

Phishing is one of the top 4 most dangerous types of malware

a)

True

b)

False

54.

Which of the following is NOT a type of phishing?

a)

Whaling

b)

Smishing

c)

Sharking

d)

Vishing

55.

How can humans pose a risk to an organization's security?

a)

By following the rules and guidelines strictly

b)

By installing hardware or software without permission

c)

By using strong and unique passwords

d)

By avoiding all social engineering

56.

Which of the following is an example of unauthorized software installation?

a)

Installing a productivity tool approved by the organization

b)

Installing security updates for the operating system

c)

Downloading a game app that contains malware

d)

Using licensed software provided by the organization

57.

How can hoaxes pose a threat to an organization?

a)

By tricking employees into revealing sensitive information

b)

By causing physical damage to the organization's network

c)

By exploiting vulnerabilities in the organization's software

d)

By spreading false information about the organization

58.

What is the primary goal of mitigating human risk factors?

a)

To completely eliminate all human-related security risks

b)

To enforce strict policies and procedures for user behavior

c)

To develop advanced technologies for detecting human threats

d)

To educate users about security awareness and minimize risks

59.

How does a policy differ from a procedure?

a)

A policy outlines the steps to be followed, while a procedure sets the rules

b)

A policy defines the organization's goals, while a procedure outlines the implementation steps

c)

A policy focuses on training users, while a procedure establishes security protocols

d)

A policy determines user behavior, while a procedure mitigates human risks

60.

How does spam mail differ from phishing?

a)

Spam is targeted

b)

Spam requires user action

c)

Spam is usually promotional

d)

Spam is always malicious

61.

Vulnerabilities can be found in technology products including operating systems, software applications and hardware devices.

a)

True

b)

False

62.

Anyone can access the Common Vulnerabilities and Exposures (CVE)?

a)

True

b)

False

63.

Common Vulnerabilities and Exposures are given a severity score of 1-100.

a)

True

b)

False

64.

Should you install updates?

a)

Sometimes, it depends

b)

Yes, as soon as it is possible

c)

No, avoid it if at all possible

65.

Updates are the least important thing you can do to secure a system.

a)

True

b)

False

66.

You can help to secure your system by removing unneeded or unnecessary services.

a)

True

b)

False

67.

A ________ is a tweak to the OS code that will fix an issue in how it runs or compatibility with devices and applications.

a)

Patch

b)

Hotfix

c)

Service Pack

d)

Service Update

68.

Which of the following is the MOST effective way for an administrator to determine what security holes reside on a network?

a)

Perform a vulnerability scan

b)

Run a port scan

c)

Install and monitor an IDS

d)

Run a sniffer

69.

Before deciding on hardening procedures for your organization, it is a good idea to use _______________ as a reference for best practices.

a)

Whitelits

b)

Policies

c)

Benchmarks

d)

Mitigations

70.

You are visiting a website and accidentally click on a link to accept free software. Which tool will keep the software from installing on your PC?

a)

Windows Defender

b)

UAC

c)

AppLocker

d)

Avast Antivirus

71.

The single most important thing you can do to secure a system is:

a)

remove all services

b)

remove all users

c)

install antivirus

d)

install updates

72.

Administrator privileges on a system provide the user with ________.

a)

Partial access - on the device

b)

Full access - on the device

c)

Access to just administrator tasks

73.

Best practice is to strictly limit how many users are in the Administrators Group.

a)

True

b)

False

74.

The best way to survive a Ransomware attack is ______.

a)

having at least 3 copies of data stored on multiple devices, with one being the cloud

b)

to have an onsite backup

c)

to purchase unencrypting software

75.

For back ups the 3-2-1 rule is the best practice.

a)

True

b)

False

76.

An ISO file is the same thing as a System image.

a)

True

b)

False

77.

Applications are _____.

a)

part of the operating system

b)

created solely by the user

c)

never come with vulnerabilities

d)

third-party programs that add functions for the user

78.

Actions we should take to secure devices like computers or smartphones are referred to as ________________.

a)

Best Practices

b)

System Rules

c)

System Policies

d)

Best Policies

79.

IOT attacks usually do not target a specific person.

a)

True

b)

False

80.

Hackers use a special online tool called __________ to scan the Internet for open devices.

a)

Shadow

b)

Shodan

c)

SmartHack

d)

SmartFind

81.

You should never change the default username for the admin account.

a)

True

b)

False

82.

To minimize the risk or lessen the force or intensity of something unpleasant.

a)

mitigate

b)

exploit

c)

secure

d)

hotfix

83.

A security flaw, glitch, or weakness found in software code that could be exploited by an attacker.

a)

bug

b)

error

c)

vulnerability

d)

liability

84.

A tweak to the OS code that will fix an issue in how it runs or compatibility with devices and applications.

a)

Patch/Update

b)

Hotfix

85.

Having several copies

a)

Safety net

b)

Security net

c)

Redundancy

d)

Prolixity