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F5 301a PDF Questions - Exceptional Practice To BIG-IP LTM Specialist: Architect Set-Up & Deploy

NEW QUESTION 28
An LTM Specialist upgrades the switching infrastructure and the backend servers on the LAN segments.
The LTM Specialist notices a 20% memory usage increase on the BIG-IP device while handling the same number of concurrent connections.
A comparison of statistics pre-upgrade and post-upgrade shows a significant reduction on the following:
-RTT between the BIG-IP device and the backend servers
-Packet drops in the switch
Time to First Byte (TTFB)
The LTM Specialist is concerned with the scalability of the number of concurrent connections with the new memory usage.
Which setting should be changed to reduce the memory usage on the BIG-IP device?

• A. Reduce the idle of the client-side TCP profile
  Explanation
  After adjusting the architecture, the network quality becomes better. With the connection unchanged the memory usage increase by 20%. It means that the sending speed of the server is higher than the receiving speed of the client. F5 caches more content on the memory and causes the memory usage to....
• B. Increase the receive window of the client-side TCP profile
• C. Increase the proxy buffer high setting on the server-side TCP profile
• D. Reduce the proxy buffer high setting on the server-side TCP profile

Answer: D

 

NEW QUESTION 29
An application is being load balanced through the LTM device using the configuration displayed below.
The network has been re-engineered to NAT all client connection. As a result, all client connections are hitting the same pool member.


Which changes should the LTM Specialist make in order to restore load balancing functionality wile maintaining session persistence?

• A. Leave the virtual server type set Performance (Layer 4) and change the persistence type to hash
• B. Change the virtual server type to Standard, add an http profile, and change the persistence profile to Destination Address
• C. Change the virtual serer type to Forwarding (Layer 4) and leave the persistence type to hash source Address
• D. Change the virtual server to Standard add an http profile, and change the persistence profile to Cookie persistence

Answer: D

 

NEW QUESTION 30
Traffic to a pool of SFTP servers that share storage must be balanced by an LTM device.
What are the required profile and persistence settings for a standard virtual server?

• A. tcp, ftp - Source address persistence
• B. tcp, ctientsst, ftp serverssl persistence
• C. tcp - no persistence profile will be used
• D. tcp, clientssl, serverssl persistence

Answer: A

 

NEW QUESTION 31
An LTM specialist needs to create a new account with the admin role called "newadmin' and access to all partitions.
Which tmsh command should be executed?

• A. create /users newadmin partition-access add {all-partitions {role admin JJ prompt for-password.
• B. create / sys user newadmin partition-access add (all-partitions {role admin )} prompt-for-password.
• C. create /user newadmin partition-access add (all-partitions {role admin }} prompt- for-password.
• D. create /auth user newadmin partition-access add {all-partitions {role admin }} prompt for-password.

Answer: D

Explanation:
Examining the use of commands, the creation of user is subordinate to auth

 

NEW QUESTION 32
Which Standard Virtual Server settings should an LTM Specialist use to load balance across routed path of two different ISPs?

• A. both address and port translation enabled
• B. address translation enabled and port translation disabled
• C. both address and port translation disabled
• D. address translation disabled and port translation enabled

Answer: A

 

NEW QUESTION 33
An LTM Specialist to configure a backend server to be disabled it takes longer than 30 seconds to respond to a request.
Which values should the LTM Specialist enter for interval and timeout?

• A. Interval 10, timeout 31
• B. Interval 30, timeout 30
• C. Interval 10, timeout 30
• D. Interval 30, timeout 91
  The official recommendation is that timeout 3 times the interval value +1.

Answer: A

 

NEW QUESTION 34
A new HITP server has been deployed on an LTM device. The application running on the server must be monitored by the LIM device. The following is required:
A new HITP server has been deployed on an LTM device. The application running on the server must be monitored by the LIM device. The following is required:
When the server is unavailable, it will send an HTTP status code of 200 in response to a request for the status html page.
When the server is available. I will send and HTTP status code of 201 in response to a request for the status html page.
When the 200 status code is received, the pool member should receive No new connections.
Which configuration change should be made to meet these requirements?

• A. set the Send String to Get /status html and the Receive Disable String to 200 and Receive String to 201.
• B. set the Send String to GET Arian and the Receive String to 200 and Receive Disable String to 201.
• C. set the Send String to GET Arian and the Receive Disable String to 200 and Receive String to 201.
• D. set the Send String to GET/ status html and the Receive String to 200 and Receive Disable String to 201.

Answer: A

 

NEW QUESTION 35
An LTM Specialist needs to create a virtual server to pass TCP traffic to three pool members.
Which two virtual server types should be used to meet the requirements? (Choose two)

• A. Forwarding (IP)
• B. Forwarding (Layer 2)
• C. Performance (Layer A)
• D. Standard
• E. Stateless

Answer: C,D

 

NEW QUESTION 36
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?

• A. Least Connections
• B. Least Sessions
• C. Predictive
• D. Ratio

Answer: C

 

NEW QUESTION 37
An LTM Specialist needs to create a pool with a set of monitor that checks both the pool members and corresponding application service ports. The pool members have services on port 80. The application service is on port 8009.
The LTM device should load balance traffic to the pool member when the pool member and corresponding application service pass monitor.
Which monitor and parameter set meets this requirement?

• A. TCP monitor for port
  Plus a custom TCP monitor with alias port 80
  And the pool's availability requirement set to ALL
• B. TCP monitor for port*
  Plus a custom TCP monitor with alias port 8009,
  And the pool's availability requirements set to the ALL
• C. TCP monitor for port
  Plus a ustom TCP monitor with alias port 8009,
  And the pool's availability requirement set to All
• D. TCP monitor for port*
  Plus a custom TCP monitor with alias port 8009
  And the pool 's availability requirement set to 1.

Answer: B

 

NEW QUESTION 38
An LTM device an application that requires all connections to be secured via SSL The device must verify that request contain a specific cookie before allowing the request to be sent to the pool member.
Which virtual server type should an LTM Specialist configure on the LTM device?

• A. Forwarding (IP)
• B. Performance (Layer 4)
• C. Performance (HTTP)
• D. Standard
• E. Stateless

Answer: D

 

NEW QUESTION 39
An HA pair of LTM devices that load balance multiple HTTPS applications utilizes highly customized RAM Cache and compression profiles on each virtual server. The LTM Specialist who is administering the HA pair regularly observes entines in the log similar to the following:
tmm tmm I708S1 011e0002.4. sweeper_update: aggressive mode activated (117504/138240 pages) No DoS attacks arc occurring. No user problems have been reported. Which step should the LTM Specialist take to help mitigate the issue?

• A. change the Adaptive Reaping Low watermark
• B. use a OneConnect profile
• C. change the Adaptive Reaping High watermark
• D. allocate less memory to the RAM cache feature

Answer: A

 

NEW QUESTION 40
RADIUS authentication has been configured on the LTM device. The default remote user access requirements are as shown:
Read only access to the configuration Utility
Access to TMOS shell
Which two items need to be configured in this situation? (Choose two)

• A. Console access is Advanced Shell
• B. In Console access is TMSH
• C. Default remote user role is Operator
• D. Default remote user role is Manager
• E. Console access is Read Only
• F. Default remote user role is Guest

Answer: B

 

NEW QUESTION 41
Exhibit.

- The ITM devices LTM 1 and LTM2 are configured in Device Group X (Sync-Failover)
- LTM3 and LTM4 are configured in Device Group Y (Sync-Only)
- An LTM specialist configures Device Group Z (Sync-Only) to keep several profiles in (sync-Only) to keep several profiles in sync across all devices.
- Device GROUP X has four Traffic Groups A, B, C and D configured.
- Device Group Y has four Traffic Groups E, F, G, and H configured
- Auto Fallback IS NOT Enabled.
- Each Device group is healthy and able to pass traffic for any traffic group assigned to that Device Group.
The data center that contains LTM2 and LTM4 loses power. After 10 minutes; power is restored and all devices are up and healthy.
What is the state of each Traffic Group on each ITM device after power is restored?
A)

B)

C)

D)

• A. Option A
• B. Option D
• C. Option B
• D. Option C

Answer: A

 

NEW QUESTION 42
AN LIM Specialist must upgrade the VCMP Guest active/standby LTM pair from version 11.3 to 11.5.3 on two VCMP Hosts.
where should the LTM Specialist import the latest 11.5.3 ISO images?

• A. to the primary VCMP Host and the active Guest instance
• B. to the VCMP Guest instances
• C. to both VCMP Hosts
• D. to the secondary vCMP Host and the standby Guest instance

Answer: B

 

NEW QUESTION 43
Exhibit.

The server team has recently configured the three new DNS servers shown for the data center. No current DNS servers are currently configured on the LTM device.
Which command should be used to configure the LTM device to use the new DNS servers?

• A. tmsh change /sysdns name-servers add {192.168.1.2.192.168.100.100.192.168.200.200}
• B. tmsh create/systins name-servers add {192 168.1.2.192.168.100.1O0.192.168.2O0.2OO}
• C. tmsh modify/sysdns name-servers add {192.168.1.2.192.168.100.100.192.168.200.200}
• D. tmsh set/sysdns name-servers add {192.168.2.192.168.100.100.192.168.200.200}

Answer: C

Explanation:
Modify the configuration with modify, and create the configuration with create. Excluding B and D, and the question is to modify the DNS pointer of E5 itself the need to use is modify.

 

NEW QUESTION 44
An LTM Specialist is configuring a new virtual server on an LTM device and assigning a SNAT pool that is already is use another virtual server. Both virtual servers use the same pool members to load balance traffic. A maximum of 35,000 users needs to be able to access each virtual server ta any time. The network architecture does NOT allow the backend servers to use the LTM device as a default gateway.
What is the minimum number of SNAT addresses required in the SNAT pool to meet the needs of the virtual servers?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: C

Explanation:
Both vs share the same snat pool, and both use the same pool member. Then the concurrent number of snatpool will be added. For each VS, there is a maximum of 35,000 users, and those two VSs have a maximum of 70,000 users. The stem did not mention how many connections each user would have concurrently. Calculated with a minimum of 1 connection, then 70,000 connections would be concurrent. One IP can support 65,535 connection. Therefore, at least 2 or more snaptips are required

 

NEW QUESTION 45
An LTM Specialist has recently taken over administration or an LTM device that has experienced resource availability issues. The LTM device will need to be solely used for load balancing and SSL offload. Previously, the LTM device was also used to provide statistical analysis of application traffic. However, that functionality has been moved to a third party solution.
Based on the output below, which configuration change should be made to ensure the LTM module receives the most amount of resources?

• A. Provision AVR to none. Provision LTM to Dedicated
• B. Provision AVR to Minimum. Provision LTM at Maximum
• C. Provision LTM to Dedicated, Provision AVR to Dedicated
• D. Provision AVR to Minimum, Provision LTM to Dedicated

Answer: A

 

NEW QUESTION 46
A company plans to launch a huge marketing campaign and expects increase demand of their secure website. With the current virtual server setup, the LTM Specialist expects that the LTM device will reach its capacity limits. For the wen application to function properly. Cookies persistence is required. The LTM Specialist needs to reduce LTM device load without breaking the application.
Which two settings should the LTM Specialist modify to meet the requirement? (Choose two.)

• A. Remove ClientSSL profile
• B. Remove HTTP profile
• C. Modify virtual Server type to performance (Layer 4)
• D. Remove HTTP compression profile
• E. Remove web acceleration profile.

Answer: D,E

Explanation:
It is required that cookie persist must be used and http profile must be used, and SSL offloading must also be required. It must be in standard mode, excluding BD E.

 

NEW QUESTION 47
Exhibit.

The three VLANS shown provide connectivity to backend servers. The backend servers are being moved to unmanaged switches and require separate interfaces.
How should the F5 device interfaces be configured?

• A. Create VLAN named VLAN_A enter 100 under Tag and move interface 1.1 to tagged Create VLAN_B enter 200 and move interface 1.2 to tagged Create VLAN_C Center 300 and move interface 1.3 to tagged.
• B. Create VLAN_A move interface 1.1 to untagged. Create VLAN_B move interface 1.2 to untagged. Create VLAN_C move interface 1.3 to untagged.
• C. Create a Trunk interface and combined interface 1.1.1.2 and 1.3.
• D. Create a Trunk interface and select VLAN_A, VLAN_B. and VLAN_C.

Answer: B

 

NEW QUESTION 48
An LTM device configured with a management IP address and route and a series of self-IPs and TMM routes. Both management and TMM have a routing entry for 101 10/24 Application traffic is being load balanced and sent to pool member 10.1.1.123 with SNAT Automap and configured.
Which route will the LTM device use?

• A. both routes, which will duplicate traffic on both management and TMM interface
• B. TMM route regardless of the management port status
• C. management route regardless of the management port status
• D. equal cost multipath load balancing via both routes
• E. management route when TMM interface is down or TMM is offline

Answer: B

 

NEW QUESTION 49
Refer to the Exhibit.

An LTM Specialist notices that two members in a pool are overloaded. To relive the existing members a fourth member (10.128.20.14) is brought up.
How many member will receive and process new connections?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: C

 

NEW QUESTION 50
An LTM Specialist creates an Analytics wide to show the type of browsers used to access a certain application. However, the generated statistics only sum up all transaction for that application under one item called ' Aggregated.'' What should the LTM Specialist do to resolve this problem?

• A. Verify that the Analytics profile is assigned to the applications virtual server.
• B. Drill down into the stats to show the User Agents correlated in the Aggregated group.
• C. Make sure ''User Sessions'' is selected in the Analytics profile
• D. Make sure ''User Agent'' is selected in the Analytics profile.

Answer: D

 

NEW QUESTION 51
Refer to the following iRule:

What is a complete list of profiles that must be applied to the virtual server for this iRule?

• A. TCP, HTTP
• B. Fast L4, HTTP
• C. TCP, HTTP, Client SSL
• D. Fast L4 , HTTP, Stream

Answer: A

 

NEW QUESTION 52
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