QUESTION: 29

An IT administrator wants to log which server is being load balanced to by a user with IP address 10.10.10.25.
Which iRule should the LTM Specialist use to fulfill the request?

when SERVER_CONNECTED {
if { [IP::addr [IP::remote_addr]] equals 10.10.10.25]} { log local0. "client 10.10.10.25 connected to pool member [IP::addr [LB::server addr]]" } }
when CLIENT_ACCEPTED {
if { [IP::addr [clientside [IP::remote_addr]] equals 10.10.10.25]} { log local0. "client 10.10.10.25 connected to pool member [IP::addr [LB::server addr]]" } }
when SERVER_CONNECTED {
if { [IP::addr [clientside [IP::remote_addr]] equals 10.10.10.25]} { log local0. "client 10.10.10.25 connected to pool member [IP::addr [LB::server addr]]" } }
when CLIENT_ACCEPTED {
if { [IP::addr [IP::remote_addr] equals 10.10.10.25]} { log local0. "client 10.10.10.25 connected to pool member [IP::addr [LB::server addr]]" } }

Answer(s): C

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A customer needs to intercept all of the redirects its application is sending to clients. When a redirect is matched, the customer needs to log a message including the client IP address.
Which iRule should be used?

when HTTP_RESPONSE {
if { [HTTP::is_3xx] } {
log local0. "redirecting client ip address [IP::addr [IP::remote_addr]]" }
}
when HTTP_REQUEST {
if { [HTTP::is_301] } {
log local0. "redirecting client ip address [IP::addr [IP::remote_addr]]" }
}
when HTTP_REQUEST {
if { [HTTP::is_redirect] } {
log local0. "redirecting client ip address [IP::addr [IP::remote_addr]]" }
}
when HTTP_RESPONSE {
if { [HTTP::is_redirect] } {
log local0. "redirecting client ip address [IP::addr [IP::remote_addr]]" }
}

Answer(s): D

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QUESTION: 31

A web application requires knowledge of the client's true IP address for logging and analysis purposes. Instances of the application that can decode X-Forwarded-For HTTP headers reside in pool_a, while pool_b instances assume the source IP is the true address of the client.
Which iRule provides the proper functionality?

when HTTP_DATA {
if {[HTTP::header exists X-Forwarded-For]}{
pool pool_a
} else {
pool pool_b
}
}
when HTTP_RESPONSE {
if {[HTTP::header exists X-Forwarded-For]}{
pool pool_a
} else {
pool pool_b
}
}
when HTTP_REQUEST {
if {[HTTP::header exists X-Forwarded-For]}{
pool pool_a
} else {
pool pool_b
}
}
when HTTP_OPEN {
if {[HTTP::header exists X-Forwarded-For]}{
pool pool_a
} else {
pool pool_b
}
}

Answer(s): C

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QUESTION: 32

Which iRule will reject any connection originating from a 10.0.0.0/8 network?

when CLIENT_ACCEPTED {
set remote_ip [IP::addr [IP::remote_addr] mask 8]
switch $remote_ip {
"10.0.0.0" { reject }
"11.0.0.0" { pool pool_http1}
default { pool http_pool }
}
}
when 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 }
}
}
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 }
}
}
when 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 }
}
}

Answer(s): C

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QUESTION: 32