Similar MCQs

Technological Knowledge Similar MCQs

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Selected MCQ

Current Question
In network security, what does a DMZ (demilitarized zone) refer to?
  • A. A private office
  • B. An isolated subnet for public-facing servers
  • C. A type of malware
  • D. A strong encryption method
Correct Answer: B
Explanation:
A DMZ is a separate network area that isolates public services (e.g., web servers) from the internal LAN.
Related Question 1
Why is SHA-256 generally preferred over MD5 for hashing in security applications?
  • A. SHA-256 is faster
  • B. SHA-256 produces shorter hashes
  • C. SHA-256 is more collision-resistant
  • D. SHA-256 is symmetric encryption
Correct Answer: C
Explanation:
SHA-256 is considered secure against collisions, whereas MD5 is vulnerable to collision attacks.
Related Question 2
What is the purpose of a firewall in network security?
  • A. To block unauthorized access based on rules
  • B. To store sensitive data
  • C. To physically connect network cables
  • D. To encrypt Wi-Fi connections
Correct Answer: A
Explanation:
Firewalls monitor and filter incoming/outgoing network traffic using security rules.
Related Question 3
What does the term "bandwidth" refer to in networking?
  • A. The number of concurrent connections
  • B. The maximum rate of data transfer across a given path
  • C. The frequency range of a wireless signal
  • D. The number of devices on a network
Correct Answer: B
Explanation:
Bandwidth is the maximum data transfer rate of a network path.
Related Question 4
Which network tech supports many IoT devices over long ranges?
  • A. Wi-Fi 6
  • B. LoRaWAN
  • C. Bluetooth 5.0
  • D. Ethernet
Correct Answer: B
Explanation:
LoRaWAN is designed for long-range, low-power IoT sensor communications.
Related Question 5
What allows dynamic network configuration in emerging tech?
  • A. Hardware-only management
  • B. Software Defined Networking (SDN)
  • C. Analog cables
  • D. Static routing only
Correct Answer: B
Explanation:
SDN separates control and data planes, enabling programmable network configurations.

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