Question 1

An application is configured on an LTM device: Virtual server: 10.0.0.1:80 (VLAN vlan301) SNAT IP: 10.0.0.1 Pool members: 10.0.1.1:8080, 10.0.1.2:8080, 10.0.1.3:8080 (VLAN vlan302) Which packet capture should the LTM Specialist perform on the LTM device command line interface to capture only client traffic specifically for this virtual server?

Options :

A : tcpdump -ni 0.0:nnn -s 0 'host 10.0.0.1' -w /var/tmp/trace.cap

B : tcpdump -ni vlan301 -s 0 'port 80 and host 10.0.0.1' -w /var/tmp/trace.cap

C : tcpdump -ni vlan301 -s 0 'port 8080 and host 10.0.1.1 or host 10.0.1.2 or host 10.0.1.3' -w /var/tmp/trace.cap

D : tcpdump -ni vlan302 -s 0 'port 8080 and host 10.0.1.1 or host 10.0.1.2 or host 10.0.1.3' -w /var/tmp/trace.cap

E : tcpdump -ni 0.0:nnn -s 0 '(port 80 and host 10.0.0.1) or (port 8080 and host 10.0.1.1 or host 10.0.1.2 or host 10.0.1.3)' -w /var/tmp/trace.cap

Answer: B

Question 2

An LTM device receives a response string containing "error"

Which monitor type and parameter will mark the HTTP server as down?

Options :

A : HTTP monitor, Receive String "error", and set the Reverse option to Yes

B : HTTP monitor and Receive String "error'' ... flag is up

C : HTTP monitor. Receive String "down", and set the Reverse option to Yes .... flag is

D : HTTP monitor and Receive DisableString "error'' .... flag is disable

Answer: A

Question 3

Users are experiencing low throughput when downloading large files over a high-speed WAN connection.

Extensive packet loss was found to be an issue but CANNOT be eliminated.

Which two TCP profile settings should be modified to compensate for the packet loss in the network? (Choose

two.)

Options :

A : slow start

B : proxy options

C : proxy buffer low

D : proxy buffer high

E :

Nagle-s algorithm

Answer: C,D

Question 4

Given the iRule:

when HTTP_REQUEST {

if {([HTTP::username] ne "") and ([HTTP::password] ne "") } {

log local0. "client ip [IP::remote_addr] credentials provided [HTTP::username] [HTTP::password]"}

else {

pool old_application_pool

}

The associated virtual server has a default pool named new_application_pool.

Which functionality does the iRule provide?

Options :

A : Allows clients with credentials to access the old_application_pool and logs the access of clients without credentials to the new_application_pool.

B : Allows clients without credentials to access the old_application_pool and logs the access of clients with credentials to the new_application_pool.

C : Allows clients with credentials to access the old_application_pool and logs the attempted access of clients with credentials to the new_application_pool.

D : Allows clients without credentials to access the old_application_pool and logs the attempted access of clients without credentials to the new_application_pool.

Answer: B

Question 5

-- Exhibit –

-- Exhibit --

Refer to the exhibit.

A user is unable to access an HTTP application via a virtual server.

What is the cause of the failure?

Options :

A :

The host header requires a host name.

B :

The virtual server is in the disabled state.

C :

The Connection: Keep-Alive header is set.

D :

There is no pool member available to service the request.

Answer: D

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