-
web.groovymark@gmail.com
- November 28, 2024
Question 41
Which term refers to a malicious program that masquerades as legitimate software?
a) Worm
b) Spyware
c) Trojan horse
d) Keylogger
Correct Answer: c) Trojan horse
Explanation: A Trojan horse appears to be legitimate software but performs malicious actions once it is executed.
Question 42
Which protocol is responsible for sending email over the internet?
a) HTTP
b) FTP
c) SMTP
d) DNS
Correct Answer: c) SMTP
Explanation: Simple Mail Transfer Protocol (SMTP) is used for sending emails between servers over the internet.
Question 43
What does the term ‘two-factor authentication’ mean?
a) To store data permanently
b) To process data
c) To store data temporarily for quick access
d) To provide backup power
Correct Answer: c) To store data temporarily for quick access
Explanation: RAM (Random Access Memory) temporarily stores data that is being actively used by the CPU for quick access.
Question 44
What is a key characteristic of structured data?
a) It is unorganized and difficult to process
b) It follows a fixed format and is well-labeled
c) It is data collected from social media
d) It is data stored in binary format
Correct Answer: b) It follows a fixed format and is well-labeled
Explanation: Structured data follows a fixed format and is stored in traditional databases, making it easier to process and query.
Question 45
Which protocol is used to transfer files over the internet?
a) SMTP
b) FTP
c) IMAP
d) POP3
Correct Answer: b) FTP
Explanation: FTP (File Transfer Protocol) is used to transfer files between computers over the internet or a network.
Question 46
What is the purpose of a network switch in a LAN?
a) To connect different networks together
b) To block unauthorized access
c) To manage and direct data traffic within a LAN
d) To encrypt network traffic
Correct Answer: c) To manage and direct data traffic within a LAN
Explanation: A network switch is used to direct data traffic within a LAN by sending data packets to the correct device.
Question 47
Which type of encryption uses the same key for both encryption and decryption?
a) Asymmetric encryption
b) Public key encryption
c) Symmetric encryption
d) One-time pad
Correct Answer: c) Symmetric encryption
Explanation: Symmetric encryption uses the same key for both encryption and decryption, making it faster but requiring secure key management.
Question 48
Which device is responsible for routing data between different networks?
a) Switch
b) Router
c) Hub
d) Repeater
Correct Answer: b) Router
Explanation: A router directs data between different networks, often connecting a local network to the internet.
Question 49
What does the term ‘phishing’ refer to in cybersecurity?
a) Unauthorized access to a network
b) Sending fraudulent emails to trick recipients into revealing sensitive information
c) The practice of encrypting data
d) The process of backing up data
Correct Answer: b) Sending fraudulent emails to trick recipients into revealing sensitive information
Explanation: Phishing involves sending deceptive emails or messages to trick individuals into providing sensitive information, such as passwords or credit card details.
Question 50
Which of the following is a key benefit of cloud computing?
a) High upfront costs
b) Limited storage options
c) Remote accessibility and scalability
d) Dedicated physical infrastructure
Correct Answer: c) Remote accessibility and scalability
Explanation: Cloud computing offers remote access to resources and the ability to scale services as needed, making it a flexible and cost-effective solution.
