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Quiz: Introduction to Network Security Flashcards | StudBud
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Quiz: Introduction to Network Security
Quiz: Introduction to Network Security
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1
Which of the following is NOT a primary objective of computer security?
Availability
Confidentiality
System Manipulation
Data Integrity
2
Which term describes keeping individual control over personal information?
Data Confidentiality
System Integrity
Data Integrity
Data Privacy
3
Which of the following is a typical example of a passive attack?
Spoofing a user’s identity
Injecting malicious code
Flooding a server with traffic
Sniffing network traffic
4
Which attack involves injecting code into SQL queries?
SQL Injection
Phishing
Spoofing
DDoS
5
What type of attack tries to exhaust system resources?
Spoofing
SQL Injection
DoS
Phishing
6
Which attack surface is primarily related to social engineering and human error?
Software attack surface
Human attack surface
Application misconfigurations
Network attack surface
7
What type of vulnerabilities does the software attack surface typically involve?
Weaknesses in operating system and application code
External attacks on server hardware
Flaws in network devices and configurations
Human error in decision-making
8
Which OSI layer establishes virtual circuits?
Physical
Application
Network
Transport
9
Which of the following best defines a security attack?
A process designed to prevent unauthorized access
Any action compromising the security of information
A method for monitoring system health
A tool used to recover from system failures
10
What type of malware monitors user activities?
Worm
Virus
Spyware
Ransomware
11
Which OSI layer handles session management?
Session
Presentation
Network
Transport
12
Which of the following actions would most likely be classified as an active attack?
Modifying network traffic
Listening to communication without altering it
Observing public data without interference
Monitoring a user’s behavior without knowledge
13
Which of the following is a vulnerability in network infrastructure?
Network attack surface
Human attack surface
Software attack surface
Application security
14
What is phishing?
Blocking access to a service
Injecting malicious code
Sending fake emails to steal information
Intercepting data packets
15
What is the full name of the abbreviation NIST?
National Institute of Science and Technology
National Institute of Standards and Technology
National Intelligence Systems Technology
National Information Security Technology
16
What does DDoS stand for?
Dedicated Denial of Service
Direct Denial of Service
Distributed Denial of Service
Dynamic Denial of Service
17
What does VPN stand for?
Verified Private Network
Virtual Private Network
Virtual Protocol Network
Virtual Protected Network
18
What is the main purpose of encryption?
Compress data
Optimize processing speed
Hide data from unauthorized users
Decrease bandwidth usage
19
Which type of attack involves eavesdropping on data without altering it?
Man-in-the-middle attack
Passive attack
Active attack
Denial of Service attack
20
What is the definition of an attack in cybersecurity?
A deliberate action aimed at violating security
An accidental security breach from user error
A system flaw that compromises data integrity
An automatic detection of system vulnerabilities
21
What does network security primarily aim to protect?
Data in transit
Physical documents
User authentication
Digital data storage
22
What does the OSI security architecture provide to managers?
A systematic approach to organizing security tasks
A method to identify vulnerabilities
A set of security tools and guidelines
A way to detect attacks in real-time
23
What does HTTPS stand for?
Hypertext Transfer Protected System
High Transfer Protocol Secure
High Transfer Protection Service
HyperText Transfer Protocol Security
24
Which of the following is not a task involved in designing security services?
Creating a secure transformation algorithm
Specifying a protocol for using the algorithm
Generating the secret information
Monitoring user activities
25
What distinguishes an active attack from a passive attack?
Active attacks involve denial of service
Active attacks do not affect confidentiality
Passive attacks cause system failure
Active attacks modify data, passive attacks do not
26
Which OSI layer is responsible for routing?
Application
Transport
Network
Data Link
27
What type of attack involves sending fake emails?
Sniffing
Phishing
SQL Injection
Spoofing
28
What is a Trojan horse?
A disguised program
A self-replicating malware
A network-based attack
A data encryption technique
29
What is the main goal of a passive attack?
To gain unauthorized access to a system
To destroy data and disrupt services
To gather information without detection
To overload a network with requests
30
Which of the following defines a threat?
A potential danger exploiting a vulnerability
A deliberate action to bypass security measures
A breach of system confidentiality
A system failure from malware
31
What type of malware demands ransom?
Spyware
Ransomware
Worm
Virus
32
What does system integrity ensure?
System data is encrypted
Data is accessible only to authorized users
System performs its functions without unauthorized manipulation
Only administrators can access system files
33
What is the role of a Trusted Third Party in security?
To develop new security algorithms
To securely share secrets or resolve disputes
To monitor network traffic for threats
To provide backup storage for data
34
Why did the need for computer security arise?
Increased need for physical security
The popularity of physical storage
Growth in file storage systems
Rise of public networks and shared systems
35
What type of malware spreads without user action?
Ransomware
Spyware
Virus
Worm
36
What is the purpose of data integrity in computer security?
To maintain individual control over personal data
To prevent unauthorized system access
To ensure data is only changed in an authorized manner
To prevent unauthorized disclosure of data
37
Which OSI layer is closest to the user?
Data Link
Transport
Physical
Application
38
Which OSI layer provides reliable end-to-end communication?
Transport
Session
Data Link
Network
39
Which OSI layer compresses data?
Session
Transport
Presentation
Network
40
What is the primary concern of "Unwanted Access" in security?
Protecting information systems from hackers or viruses
Blocking unauthorized access to data
Preventing system upgrades
Ensuring that no data is shared across networks
41
What does data confidentiality aim to prevent?
Unauthorized system performance
Unauthorized access to systems
Unauthorized disclosure of information
Unauthorized modification of programs
42
What is spyware?
Software that removes viruses
Software that blocks ads
Software that encrypts data
Software that monitors user actions
43
What is the primary role of a security mechanism?
To manage access control and authentication
To provide continuous monitoring of systems
To enhance data security through encryption
To detect, prevent, or recover from security attacks
44
What is a brute force attack?
Monitoring user actions
Injecting malicious code
Trying all possible passwords
Redirecting traffic
45
How does a security service improve information security?
By controlling user access to sensitive data
By enforcing physical security measures
By auditing network logs for malicious activity
By countering attacks using security mechanisms
