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D315 Questions and Answers Already Graded A What is an example of network traffic encryption? Using TLS (Transport Layer Security) to secure data sent between a web browser and a server. What is the role of a security patch management system? It helps ensure that security patches are ap...

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  • November 22, 2024
  • 40
  • 2024/2025
  • Exam (elaborations)
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D315 Questions and Answers Already
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What is an example of network traffic encryption?


✔✔Using TLS (Transport Layer Security) to secure data sent between a web browser and a

server.




What is the role of a security patch management system?


✔✔It helps ensure that security patches are applied to software and systems promptly to mitigate

vulnerabilities.




What is a vulnerability scan, and how does it help protect a network?


✔✔A vulnerability scan checks for known weaknesses in a system and provides

recommendations for fixing them before they can be exploited.




What is the purpose of data loss prevention (DLP) in a network?


✔✔DLP technologies monitor and prevent unauthorized sharing or access to sensitive data

within a network.




1

,What does a network administrator do to prevent unauthorized network access?


✔✔They implement security protocols, enforce access control measures, and monitor network

traffic for suspicious activity.




What is an example of physical network security?


✔✔Restricting access to critical hardware, such as servers and routers, by locking server rooms

and using security badges.




What is the role of a public key infrastructure (PKI) system in securing network

communications?


✔✔A PKI system manages digital certificates and keys to ensure secure communications over

untrusted networks.




What is the purpose of firewalls in preventing cyberattacks?


✔✔Firewalls monitor network traffic and enforce security policies to block unauthorized access

while allowing legitimate traffic.




What is the significance of patching in preventing cyber threats?




2

,✔✔Patching ensures that known vulnerabilities are fixed, making it harder for attackers to

exploit security gaps in software or hardware.




What is the main function of a network firewall?


✔✔To monitor and filter incoming and outgoing network traffic based on security rules.




What does a VPN (Virtual Private Network) do?


✔✔It encrypts internet traffic to protect user data and allows secure access to a private network

over the internet.




What is the role of encryption in securing communication over a network?


✔✔It converts data into a coded format to prevent unauthorized access during transmission.




What is an IDS (Intrusion Detection System)?


✔✔A system designed to detect and alert on potential security breaches or abnormal activity in a

network.




What is the difference between a hub and a switch in networking?



3

, ✔✔A hub broadcasts data to all connected devices, while a switch sends data only to the specific

device it’s intended for.




What does SSL (Secure Socket Layer) encryption provide for web communications?


✔✔It ensures that data transmitted between a web server and a browser is encrypted and secure.




What is a DDoS attack, and what is its objective?


✔✔A Distributed Denial of Service attack aims to overwhelm a system with excessive traffic to

make it unavailable to users.




What is the purpose of multi-factor authentication (MFA)?


✔✔To require multiple forms of verification (e.g., password and code) before granting access to

a system.




What is the principle of least privilege in network security?


✔✔Granting users the minimum access necessary to perform their tasks, reducing the risk of

misuse or accidental breaches.




What is a botnet in terms of network security?

4

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