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ANSWER KEY · SC-00C9CWR

IPv4 foundations — session 2

Variant code: LEARNER-01 · 24 points

Conventional LAN subnets. Network and broadcast addresses are reserved. One point per correct answer.

1. 10.148.252.141/20

Network address10.148.240.0
Broadcast address10.148.255.255
Subnet mask255.255.240.0
First usable host10.148.240.1
Last usable host10.148.255.254
Usable hosts4094

2. 10.29.139.138/22

Network address10.29.136.0
Broadcast address10.29.139.255
Subnet mask255.255.252.0
First usable host10.29.136.1
Last usable host10.29.139.254
Usable hosts1022

3. 10.19.90.20/28

Network address10.19.90.16
Broadcast address10.19.90.31
Subnet mask255.255.255.240
First usable host10.19.90.17
Last usable host10.19.90.30
Usable hosts14

4. 10.239.92.186/24

Network address10.239.92.0
Broadcast address10.239.92.255
Subnet mask255.255.255.0
First usable host10.239.92.1
Last usable host10.239.92.254
Usable hosts254
Subnet Classroom by 2059 · Original practice material · Independent of Cisco