F5 TMOS Administration — Question 17

A virtual server is listening at 10.10.1.100:any and has the following iRule associated with it: when CLIENT_ACCEPTED { if {[TCP::local_port] equals 21 } { pool ftppool } elseif {[TCP::local_port] equals 23 } { pool telnetpool }
If a user connects to 10.10.1.100 and port 22, which pool will receive the request?

Answer options

• A. ftppool
• B. telnetpool
• C. None. The request will be dropped.
• D. Unknown. The pool cannot be determined from the information provided.

Correct answer: D

Explanation

The iRule specifies actions for TCP ports 21 and 23, directing traffic to the ftppool and telnetpool respectively. Since port 22 is not covered by the conditions in the iRule, the request does not match any defined pool, leading to the conclusion that it cannot be determined where the request will go.