System Administrator 2026
In a simple echo-request message, the value of the sum is 01010000 01011100. Then, value of checksum is ___________
  • A. 10101111 10100011
  • B. 01010000 01011100
  • C. 10101111 01011100
  • D. 01010000 10100011
Which of the following is the broadcast address for a Class B network ID using the default subnetmask?
  • A. 172.16.10.255
  • B. 255.255.255.255
  • C. 172.16.255.255
  • D. 172.255.255.255
You have an IP address of 172.16.13.5 with a 255.255.255.128 subnet mask. What is your class of address, subnet address, and broadcast address?
  • A. Class a, subnet 172.16.13.0, broadcast address 172.16.13.127
  • B. Class b, subnet 172.16.13.0, broadcast address 172.16.13.127
  • C. Class b, subnet 172.16.13.0, broadcast address 172.16.13.255
  • D. Class b, subnet 172.16.0.0, broadcast address 172.16.255.255
If you wanted to have 12 subnets with a Class C network ID, which subnet mask would you use?
  • A. 255.255.255.252
  • B. 255.255.255.255
  • C. 255.255.255.240
  • D. 255.255.255.248
The combination of _________ and __________ is often termed the local address of the local portion of the IP address.
  • A. Network number and host number
  • B. Network number and subnet number
  • C. Subnet number and host number
  • D. Host number
_________ implies that all subnets obtained from the same subnet mask.
  • A. Static subnetting
  • B. Dynamic subnetting
  • C. Variable length subnetting
  • D. Dynamic length subnetting