Refer to the exhibit. A network engineer has been given the network address of 192.168.99.0 and a subnet mask of 255.255.255.192 to subnet across the four networks shown. How many total host addresses are unused across all four subnets?

Last Updated on April 13, 2020 by Admin

Refer to the exhibit. A network engineer has been given the network address of 192.168.99.0 and a subnet mask of 255.255.255.192 to subnet across the four networks shown. How many total host addresses are unused across all four subnets?

CCNA1 v7 - ITNv7 - Final Exam Answers 01

CCNA1 v7 – ITNv7 – Final Exam Answers 01

  • 158
  • 200
  • 224
  • 88
  • 72
    Explanation:

    The network IP address 192.168.99.0 and a subnet mask of 255.255.255.192 provides 62 usable IP addresses for each subnet. Subnet A needs 30 host addresses. There are 32 addresses wasted. Subnet B uses 2 of the 62 available IP addresses, because it is a serial link. Consequently, it wastes 60 addresses. Likewise, subnet C wastes 60 addresses. Subnet D needs 14 addresses, so it wastes 48 addresses. The total wasted addresses are 32+60+60+48=200 addresses.

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  1. CCNA1 v7 – ITNv7 – Final Exam Answers

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