Question 1

A BIG IP system load balances connections to a web application. A TCP-based Denial of Service attack against the web application is occurring, which has caused very high memory utilization on the LTM device due to stale TCP connections.

Which TCP profile option should be used to reduce memory utilization?

Options :

A : Idle timeout

B : Reset on timeout

C : Slow Start

D : Multipath TCP

Answer: A

Question 2

An LTM Specialist needs to use the tmsh command to create a pool named http_pool with member

10.10.101:80 on an LTM device.

Which expression should the LTM Specialist use?

Options :

A : # tmsh create pool http_pool members {10.10.10.101:80}

B : # tmsh create pool http_pool members add {10.10.10.101:80}

C : # tmsh create it pool http_pool members {10.10.10.101:80}

D : # tmsh create itm pool http_pool member {10.10.10.101:80}

Answer: C

Question 3

An LTM Specialist regularly provides analytics reports that show that traffic generated by different subnets within the organization. The LTM Specialist needs show the associate department names next the IP addresses in the reports.

Which step should the LTM Specialist take to meet this requirement?

Options :

A : use an iRule to change the output of the report

B : export the report and add the department names manually

C : create VLANs for each subnet and set the name accordingly

D : define active subnets and assign a name to certain subnets

Answer: C

Question 4

Six servers have a varying number of connections that change based on the user load.

Which load balancing method should an LTM Specialist apply to divided the web application traffic to the servers on the relative performance trend?

Options :

A : Least Sessions

B : Least Connections

C : Predictive

D : Ratio

Answer: C

Question 5

AN LTM Specialist receives reports that an external company application is having reliability issues. The F5 Administrator finds the following in /vat/log/ltm file.

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The LTM Specialist determines that the F5 LTM device is entering into Aggressive Mode Adaptive Reaping, which is causing the site reliability issues.

What is the most likely reason that the LTM device has entered into Aggressive Mode Adaptive Reaping?

Options :

A : The LTM device exceeds licensed traffic limits.

B : The site has too many licensed modules.

C : The LTM device has not provisioned AVR

D : The site is under DDOS attack

Answer: D

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