Selected MCQ

Current Question
What does SDN (Software Defined Networking) allow?
  • A. Hardware-only management
  • B. Dynamic network configuration via software control
  • C. Eliminating routers
  • D. Only static routing
Correct Answer: B
Explanation:
SDN separates control and data planes, enabling programmable network configurations.
Related Question 1
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.
Related Question 2
In networking, what is a subnet mask used for?
  • A. Encrypting data packets
  • B. Determining the network portion of an IP address
  • C. Routing traffic across the internet
  • D. Assigning MAC addresses
Correct Answer: B
Explanation:
A subnet mask divides an IP address into network and host portions.
Related Question 3
Which software development model emphasizes constant feedback and iterative improvements?
  • A. Waterfall
  • B. Spiral
  • C. Agile
  • D. V-Model
Correct Answer: C
Explanation:
Agile methodology uses iterative development with frequent feedback loops.
Related Question 4
In software version control, what does 'commit' generally mean?
  • A. Saving changes to the local repository
  • B. Copying code to a backup server
  • C. Deleting previous version
  • D. Merging two projects
Correct Answer: A
Explanation:
Commit means saving changes to the repository with a message describing the changes.
Related Question 5
What is the main advantage of object-oriented programming (OOP) in software development?
  • A. Faster execution speed
  • B. Better memory usage
  • C. Encapsulation and code reuse
  • D. Using less code
Correct Answer: C
Explanation:
OOP provides encapsulation and promotes code reuse through classes and objects.