Which Cisco IOS statement would correctly match only the IP range from 10.10.10.0 through 10.10.10.127?

A) access-list 1 permit 10.10.10.0 0.0.0.64
B) access-list 1 permit 10.10.10.0 0.0.0.128
C) access-list 1 permit 10.10.10.0 0.0.0.63
D) access-list 1 permit 10.10.10.0 0.0.0.127

D
Explanation: D) The range from 10.10.10.0 through 10.10.10.127 relates to the 255.255.255.128 subnet mask. To match this using a wildcard mark, use the 0.0.0.127 mask; this results in the access-list 1 permit 10.10.10.0 0.0.0.127 statement.

Computer Science & Information Technology

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