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An LTM device pair is configured for failover and connection mirroring. The LTM devices are configured with virtual servers for HTTP, HTTPS with SSL offload, and SSH. An event occurs that causes a failover. HTTP and SSH sessions active at the time of failover remain active, but HTTPS sessions are dropped.

What is the root cause of this problem?

A.

The SSL certificates on the LTM devices do NOT match.

B.

Connection mirroring is incompatible with clientssl profiles.

C.

SNAT automap was NOT enabled for the HTTPS virtual servers.

D.

Connection mirroring was NOT enabled for the HTTPS virtual servers.

An LTM device is running BIG-IP v10.2.0 software. The LTM Specialist is tasked with upgrading the LTM device to BIG-IP v11.2.0 HF1. The LTM Specialist starts the upgrade process by selecting the uploaded Hotfix and installing to an unused volume. After 10 minutes, the LTM Specialist checks the status of the upgrade process and notices that the process is stalled at 0%.

What should the LTM Specialist verify?

A.

the selected volume has sufficient space available

B.

the base software version exists on the LTM device

C.

the LTM device has been restarted into maintenance mode

D.

the LTM device has an available Internet connection via the management interface

The end users of a web application need to verify that their browsers received the complete message-body from the web server.

Which HTTP header will accomplish this?

A.

Range

B.

Expect

C.

Accept-Ranges

D.

Content-Length

When re-licensing an LTM device from the command line interface, which tmsh command should the LTM Specialist use to generate the required information to provide on the F5 licensing portal?

A.

tmsh run /util get-dossier

B.

tmsh generate /sys dossier

C.

tmsh list /sys registration-key

D.

tmsh install /sys license registration-key

-- Exhibit –

-- Exhibit --

Refer to the exhibit.

The virtual server is listening on port 443.

What is the solution to the problem?

A.

Add an SSL Client profile to the existing virtual server.

B.

Modify the virtual server HTTP Profile to 'Redirect RewritE.All'.

C.

Modify the virtual server TCP profile to disable Nagle's Algorithm.

D.

Modify the virtual server HTTP Profile to 'Redirect RewritE.Matching'.

-- Exhibit –

-- Exhibit --

Refer to the exhibits.

Which URL on which server is causing the highest latency for users?

A.

/slow1.php on 172.16.20.3

B.

/slow2.php on 172.16.20.1

C.

/reflector.php on 172.16.20.2

D.

/Compress.HTML on 172.16.20.1

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

A.

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 }

}

}

B.

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 }

}

}

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 }

}

}

D.

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 }

}

}

An LTM Specialist loads a UCS file generated on a different LTM device and receives the following error message:

"mcpd[2395]: 01070608:0: License is not operational (expired or digital signature does not match contents)"

Which command should the LTM Specialist use to prevent the error?

A.

tmsh show /sys license

B.

tmsh show /sys hardware

C.

bigpipe config save /config.ucs

D.

tmsh load /sys /ucs rma

E.

tmsh load /sys ucs no-license

Which procedure should an LTM Specialist follow to move a configuration from a 1500 to a 1600 hardware platform during an upgrade?

A.

tmsh save sys config file filename.scf

copy the file from the /var/local/scf directory from one device to the other

tmsh load sys config file filename.scf

B.

tmsh save sys backup file filename.scf

copy the file from the /var/local/scf directory from one device to the other

tmsh load sys backup file filename.scf

C.

tmsh save sys backup file filename.scf

copy the file from the /var/local/ucs directory from one device to the other

tmsh load sys backup file filename.scf

D.

tmsh save sys config file filename.scf

copy the file from the /var/local/ucs directory from one device to the other

tmsh load sys config file filename.scf

A web developer has created a custom HTTP call to a backend application. The HTTP headers being sent by the HTTP call are:

GET / HTTP/1.1

User-Agent: MyCustomApp (v1.0)

Accept: text/html

Cache-Control: no-cache

Connection: keep-alive

CookiE. somecookie=1

The backend server is responding with the following:

HTTP/1.1 400 Bad Request

DatE. Wed, 20 Jul 2012 17:22:41 GMT

Connection: close

Why is the HTTP web server responding with a HTTP 400 Bad Request?

A.

The client request does NOT include a Host header.

B.

The User-Agent header contains an invalid character.

C.

The web server is NOT expecting a keep-alive connection.

D.

The web server is configured to accept HTTP 1.0 requests only.