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Everlife wrote: » Hi everyone, I'm working on Chapter 5 (VLSMs, Summarization, and Troubleshooting TCP/IP) and am a bit confused on one of the lab exercises questions. The lab asks for the following: Determine the summary address and mask used that will summarize the subnets #7 172.16.1.0 through 172.16.7.0 I had thought the summary address would be 172.16.0.0 with a mask of 255.255.248.0 (/21). However, the answer given is summary address of 172.16.1.0 with a mask of 255.255.248.0. I checked the errata and didn't see a correction made to the answer. Is it because of the possibility that the 0.0 range is all ready being used on another part of the network? If so, it is somewhat confusing because the question doesn't mention that and a previous question in the lab with a network of 192.168.1.0/24 through 192.168.12.0/24 has an answer of summary address 192.168.0.0/20. Any help would be appreciated! Any help is appreciated!
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