(ISC)2
301B · Question #194
301B Question #194: Real Exam Question with Answer & Explanation
The correct answer is C. when CLIENT_ACCEPTED { set remote_ip [IP::addr [IP::client_addr] mask 255.0.0.0] switch $remote_ip { "10.0.0.0" { reject } "11.0.0.0" { pool pool_http1 } default { pool http_pool } } }. See the full explanation below for the reasoning.
Question
Which iRule will reject any connection originating from a 10.0.0.0/8 network?
Options
- Awhen CLIENT_ACCEPTED { set remote_ip [IP::addr [IP::remote_addr] mask 8] switch $remote_ip { "10.0.0.0" { reject } "1.0.0.0" { pool pool_http1 } default { pool http_pool } } }
- Bwhen CLIENT_ACCEPTED { set remote_ip [IP::addr [IP::local_addr] mask 8] switch $remote_ip { "10.0.0.0" { reject } "11.0.0.0" { pool pool_http1 } default { pool http_pool } } }
- Cwhen CLIENT_ACCEPTED { set remote_ip [IP::addr [IP::client_addr] mask 255.0.0.0] switch $remote_ip { "10.0.0.0" { reject } "11.0.0.0" { pool pool_http1 } default { pool http_pool } } }
- Dwhen CLIENT_ACCEPTED { set remote_ip [IP::addr [IP::local_addr] mask 255.0.0.0] switch $remote_ip { "10.0.0.0" { reject } "11.0.0.0" { pool pool_http1 } default { pool http_pool } } }
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