Jack, a network technician, needs to subnet a class C network into as many subnets as possible, with at least 22 usable hosts per subnet. What subnet mask should he use?

  • 255.255.255.240
  • 255.255.255.224
  • 255.255.255.252
  • 255.255.255.128

CompTIA Network+ N10-008
  • Networking Fundamentals
    • This question is filed here
  • Network Implementations
  • Network Operations
  • Network Security
  • Network Troubleshooting