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WorksheetsComputer Networking Semester 1 Final Exam
Total questions: 85
Worksheet time: 43mins
Which component of the CIA Triad ensures that data is protected from unauthorized access?
Confidentiality
Integrity
Availability
Authentication
The principle that guarantees data has not been altered or tampered with is known as:
Confidentiality
Integrity
Availability
Non-repudiation
A DDoS attack, which prevents legitimate users from accessing a service, is a direct violation of which CIA Triad component?
Confidentiality
Integrity
Availability
Accountability
What is the primary purpose of authentication in a security system?
To encrypt data
To verify a user's identity
To ensure data is available
To prevent malware infections
A password or a PIN code is an example of which authentication factor?
Something you know
Something you have
Something you are
Something you do
Using a physical key card or a security token to log in is an example of:
Something you know
Something you have
Something you are
Something you do
Biometric verification, such as a fingerprint scan or facial recognition, falls under which category of authentication?
Something you know
Something you have
Something you are
Somewhere you are
An attack that attempts to guess a password by systematically trying every possible combination of characters is called a:
Dictionary attack
Phishing attack
Brute force attack
Password spraying attack
Which type of password attack uses a precompiled list of common words and phrases?
Brute force attack
Dictionary attack
Rainbow table attack
Man-in-the-middle attack
An attacker attempts to log in to many different accounts using a single, commonly used password (like "Password123"). This technique is known as:
Brute force attack
Dictionary attack
Password spraying
Credential stuffing
What is the primary purpose of password hashing?
To encrypt the password for transmission
To convert a password into an irreversible string of characters
To compress the password to save database space
To create a temporary backup of the password
A precomputed table used for reversing cryptographic hash functions to crack passwords is a:
Salt table
Dictionary
Rainbow table
Brute force list
In password security, what is the purpose of a "salt"?
A common password used for testing
A secret key shared between a user and server
Random data added to a password before it is hashed
The algorithm used to perform hashing
Which of these best describes Multi-Factor Authentication (MFA)?
Using a very long and complex password
Requiring two or more verification methods to log in
Changing your password multiple times
Using the same password for multiple accounts
All Two-Factor Authentication (2FA) is MFA, but not all MFA is 2FA. This statement is true because:
MFA can involve more than two factors
2FA and MFA are identical terms
2FA only uses biometrics
MFA is a weaker form of 2FA
Which malware requires a host program to spread and works by inserting its code into other programs?
Worm
Trojan
Virus
Spyware
A standalone malicious program that replicates itself to spread to other computers is called a:
Virus
Worm
Rootkit
Logic Bomb
Malware disguised as a legitimate program, like a free game that secretly contains malicious code, is an example of a:
Worm
Virus
Trojan
Dictionary Attack
A Remote Access Trojan (RAT) provides an attacker with unauthorized administrative control, which is a type of:
Backdoor
Spam
Adware
Logic Bomb
What is the key difference between a computer virus and a worm?
A virus is always more destructive than a worm
A worm self-replicates, while a virus needs a host file
A virus targets operating systems, while a worm targets applications
Worms are created by states; viruses by individuals
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?
Rootkit
Logic Bomb
Worm
Spyware
A clandestine computer program designed to provide continued privileged access to a computer while actively hiding its presence is known as a:
Rootkit
Backdoor
Adware
Virus
An attack that exploits a previously unknown vulnerability in a computer application or operating system is called a:
Brute Force Attack
Dictionary Attack
Zero-Day Attack
Password Spraying
Which term describes a prolonged and targeted cyberattack in which an intruder gains access to a network and remains undetected for an extended period?
Advanced Persistent Threat (APT)
Denial-of-Service (DoS)
Logic Bomb
Spam
A type of malware that encrypts a victim’s files and demands payment to restore access is called:
Spyware
Adware
Rootkit
Ransomware
What is the name for malware that secretly observes the user’s computer activities without permission and reports it to the software’s author?
Trojan
Adware
Spyware
Ransomware
A program that automatically delivers advertisements to a computer, often in the form of pop-ups, is known as:
Adware
Logic Bomb
Worm
Spyware
Software that a user may perceive as unwanted, which is often installed alongside a desired program, is referred to as a:
Virus
Rootkit
Potentially Unwanted Program (PUP)
Advanced Persistent Threat (APT)
Unsolicited and unwanted email messages, often sent in bulk to a large list of recipients, are commonly known as:
Malware
Phishing
Spam
Adware
Which of the following best distinguishes a rootkit from other types of malware like viruses or trojans?
It encrypts files for ransom
It actively hides its own presence
It self-replicates across networks
It is delivered via email attachments
Which of the following best describes a Command Line Interface (CLI)?
A graphical display with icons and windows
A text-based method for interacting with a computer
A security protocol for encrypting data
A type of malware that steals credentials
What is the primary role of an operating system (OS)?
To protect a computer from viruses
To manage computer hardware and software resources
To provide a database for storing user files
To connect a computer to the internet
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:
Password hashing
Virtualization
Authentication
Rootkit installation
An emulation of a computer system that operates based on the computer architecture and functions of a real or hypothetical computer is called a:
Logic Bomb
Virtual Machine (VM)
Remote Access Trojan (RAT)
Rainbow Table
What is the primary purpose of a firewall in network security?
To monitor employee internet activity
To block unauthorized access while allowing legitimate communication
To encrypt data transmissions over the internet
To provide a backup of network data
Which of the following is an example of multi-factor authentication (MFA)?
Using a password and a fingerprint scan
Using only a username and password
Logging in from the same device every time
Changing your password regularly
What does the CIA Triad stand for in cybersecurity?
Confidentiality, Integrity, and Availability
Control, Inspection, and Authorization
Confidentiality, Identification, and Access
Communication, Integrity, and Authentication
What is the main purpose of encryption in cybersecurity?
To authenticate users
To scramble data to prevent unauthorized access
To create backups of data
To monitor network traffic
Encrypting a laptop’s hard drive primarily protects which aspect of the CIA Triad?
Availability
Confidentiality
Integrity
Authentication
What is phishing in the context of cybersecurity?
A technique to securely transmit data
A cyberattack that tricks users into revealing sensitive information
A method of encrypting emails
A protocol for authenticating devices on a network
Which two of the following steps of hacking are most likely to involve the use of social engineering? (pick 2)
Recon / Footprinting
Scanning / Probing
Gaining Access
Covering Tracks
What is the goal of social engineering?
To make people behave better
To help people make more friends
To get an authorized user to give information to an unauthorized person
To have an unauthorized user to determine a user's password using brute force
What is the main method used in social engineering?
Deception
Brute Force
Complex Algorithms
Ransom Attacks
Which is NOT a reason that Social Engineering is so successful?
Humans want to avoid confrontation
Humans are good at problem solving
Humans make sloppy mistakes
Humans want to be helpful
Which of the following Social Engineering techniques are best protected against by use of a security guard or turnstile?
Piggybacking
Shoulder Surfing
Dumpster Diving
Baiting
Which of the following is NOT a technique of social engineering?
Shoulder Surfing
Piggybacking
Dumpster Diving
Knee Capping
Which is considered the single biggest threat in the digital world and was used in 67% of cyber attacks last year?
Dumpster Diving
Piggybacking
Shoulder Surfing
Phishing
Which of the following is NOT an indication that the email might be a phishing email?
URL doesn't match the text
Misspellings
Email was sent in the middle of the night
Sender and email address don't match
Which of the following is a phishing attack that targets a specific individual or organization?
Spear-phishing
Vishing
Smishing
Wishing
In order for data to be considered OSINT, it must satisfy which of the two conditions below? (Pick two)
Recent
Free
Public
Accurate
Which of the following would NOT be considered OSINT?
YouTube
Google Maps
Google Classroom
Which of the following is NOT part of the steps in mitigating human risk when pertaining to cybersecurity?
Developing Policies
Faster Computers
User Training
Developing Procedures
Phishing is one of the top 4 most dangerous types of malware
True
False
Which of the following is NOT a type of phishing?
Whaling
Smishing
Sharking
Vishing
How can humans pose a risk to an organization's security?
By following the rules and guidelines strictly
By installing hardware or software without permission
By using strong and unique passwords
By avoiding all social engineering
Which of the following is an example of unauthorized software installation?
Installing a productivity tool approved by the organization
Installing security updates for the operating system
Downloading a game app that contains malware
Using licensed software provided by the organization
How can hoaxes pose a threat to an organization?
By tricking employees into revealing sensitive information
By causing physical damage to the organization's network
By exploiting vulnerabilities in the organization's software
By spreading false information about the organization
What is the primary goal of mitigating human risk factors?
To completely eliminate all human-related security risks
To enforce strict policies and procedures for user behavior
To develop advanced technologies for detecting human threats
To educate users about security awareness and minimize risks
How does a policy differ from a procedure?
A policy outlines the steps to be followed, while a procedure sets the rules
A policy defines the organization's goals, while a procedure outlines the implementation steps
A policy focuses on training users, while a procedure establishes security protocols
A policy determines user behavior, while a procedure mitigates human risks
How does spam mail differ from phishing?
Spam is targeted
Spam requires user action
Spam is usually promotional
Spam is always malicious
Vulnerabilities can be found in technology products including operating systems, software applications and hardware devices.
True
False
Anyone can access the Common Vulnerabilities and Exposures (CVE)?
True
False
Common Vulnerabilities and Exposures are given a severity score of 1-100.
True
False
Should you install updates?
Sometimes, it depends
Yes, as soon as it is possible
No, avoid it if at all possible
Updates are the least important thing you can do to secure a system.
True
False
You can help to secure your system by removing unneeded or unnecessary services.
True
False
A ________ is a tweak to the OS code that will fix an issue in how it runs or compatibility with devices and applications.
Patch
Hotfix
Service Pack
Service Update
Which of the following is the MOST effective way for an administrator to determine what security holes reside on a network?
Perform a vulnerability scan
Run a port scan
Install and monitor an IDS
Run a sniffer
Before deciding on hardening procedures for your organization, it is a good idea to use _______________ as a reference for best practices.
Whitelits
Policies
Benchmarks
Mitigations
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?
Windows Defender
UAC
AppLocker
Avast Antivirus
The single most important thing you can do to secure a system is:
remove all services
remove all users
install antivirus
install updates
Administrator privileges on a system provide the user with ________.
Partial access - on the device
Full access - on the device
Access to just administrator tasks
Best practice is to strictly limit how many users are in the Administrators Group.
True
False
The best way to survive a Ransomware attack is ______.
having at least 3 copies of data stored on multiple devices, with one being the cloud
to have an onsite backup
to purchase unencrypting software
For back ups the 3-2-1 rule is the best practice.
True
False
An ISO file is the same thing as a System image.
True
False
Applications are _____.
part of the operating system
created solely by the user
never come with vulnerabilities
third-party programs that add functions for the user
Actions we should take to secure devices like computers or smartphones are referred to as ________________.
Best Practices
System Rules
System Policies
Best Policies
IOT attacks usually do not target a specific person.
True
False
Hackers use a special online tool called __________ to scan the Internet for open devices.
Shadow
Shodan
SmartHack
SmartFind
You should never change the default username for the admin account.
True
False
To minimize the risk or lessen the force or intensity of something unpleasant.
mitigate
exploit
secure
hotfix
A security flaw, glitch, or weakness found in software code that could be exploited by an attacker.
bug
error
vulnerability
liability
A tweak to the OS code that will fix an issue in how it runs or compatibility with devices and applications.
Patch/Update
Hotfix
Having several copies
Safety net
Security net
Redundancy
Prolixity
