303 F5 BIG-IP ASM Specialist exact Exam Questions

BIG-IP ASM Specialist

Last Update 4 hours ago Total Questions : 520

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Question # 46

Users report that traffic is negatively affected every time a BIG-IP device fails over. The traffic becomes

stabilized after a few minutes.

What should the BIG-IP Administrator do to reduce the impact of future failovers?

Enable Failover Multicast Configuration

Set up Failover Method to HA Order

Configure MAC Masquerade

Configure a global SNAT Listener

Question # 47

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?

# tmsh create pool http_pool members {10.10.10.101:80}

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

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

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

Question # 48

Refer to the exhibit. The BIG-IP Administrator needs to avoid overloading any of the Pool Members with

connections, when they become active.

What should the BIG-IP Administrator configure to meet this requirement?

Different Ratio for each member

Same Priority Group to each member

Action On Service Down to Reselect

Slow Ramp Time to the Pool

Question # 49

A BIG-IP Administrator creates an HTTP Virtual Server using an iApp template. After the Virtual Server is

created, the user requests to change the destination IP addresses. The BIG-IP Administrator tries to

change the destination IP address from 10.1.1.1 to 10.2.1.1 in Virtual Server settings, but receives the

following error:

The application service must be updated using an application management interface

What is causing this error?

The Application Service was NOT deleted before making the IP address change.

The IP addresses are already in use.

The Application Services have Strict Updates enabled.

The IP addresses used are NOT from the same subnet as the Self IP.

Question # 50

-- Exhibit –

-- Exhibit --

Refer to the exhibit.

An LTM Specialist is troubleshooting an issue with a new virtual server. When connecting through the virtual server, clients receive the message "The connection was reset" in the browser. Connections directly to the pool member show the application is functioning correctly.

What is the issue?

The pool member is failing the monitor check.

The pool member default gateway is set incorrectly.

The virtual server is configured with the incorrect SNAT address.

The virtual server is processing encrypted traffic as plain-text HTTP.

Question # 51

A new BIG-IP VE is deployed with default settings. The BIG-IP Administrator completes the setup utility in the Configuration Utility. The internal self IP address fails to respond to a ping request. What is a possible cause of this issue?

Port lockdown on internal self IP is set to Allow None

Route is NOT assigned to internal self IP.

Internal interface VLAN is set to untagged

Internal interface VLAN is set to tagged

Question # 52

A BIG-IP Administrator reviews the Plane CPU Usage performance chart and discovers a high percentage

of Control Plane utilization.

Which type of traffic does this indicate a higher usage of?

Administrative

Tunnel

Accelerated ,

Application

Question # 53

-- Exhibit –

-- Exhibit --

Refer to the exhibits.

After upgrading LTM from v10 to v11, users are unable to connect to an application. The virtual server is using a client SSL profile for re-terminating SSL for payload inspection, but a server SSL profile is being used to re-encrypt the request.

A client side ssldump did NOT show any differences between the traffic going directly to the server and the traffic being processed by the LTM device. However, packet capture was done on the server, and differences were noted.

Which modification will allow the LTM device to process the traffic correctly?

Enable Strict Resume.

Change Secure Renegotiation to "Request."

Enable ProxySSL option in the server SSL profile.

Change to different ciphers on the server SSL profile.

Question # 54

An LTM Specialist needs to gather website statistics such as latency and throughput on the existing virtual server. This virtual server load Balances the backend web servers.

Which F5 feature will provide this?

the Performance panel

the AVR module

the Dashboard

the Statistics panel

Question # 55

-- Exhibit –

-- Exhibit --

Refer to the exhibit.

Which URL should be reported to the server/application team as getting user-visible errors?

/env.cgi

/page14.cgi

/reflector.php

/browserspecific.html

Question # 56

-- Exhibit –

-- Exhibit --

Refer to the exhibit.

An LTM Specialist has created a virtual server to balance connections to a pool of application servers and offload SSL decryption. Clients connect to the application at https://www.example.com/. The virtual server is configured with a clientssl profile but no serverssl profile. The application servers are listening on ports 80 and 443. Users are unable to connect to the application through the virtual server but are able to connect directly to the application server.

What is the root cause of the error?

The LTM device is chunking responses.

The LTM device is redirecting users to HTTPS.

The pool members are configured with the wrong port.

The application servers are redirecting users to HTTPS.

Question # 57

An LTM Specialist must perform a packet capture on a virtual server with an applied standard FastL4 profile. The virtual server 10.0.0.1:443 resides on vlan301.

Which steps should the LTM Specialist take to capture the data payload successfully while ensuring no other virtual servers are affected?

The standard FastL4 profile should have PVA acceleration disabled. Then the packet capture tcpdump -ni vlan301 should be executed on the command line interface.

The packet capture tcpdump -ni vlan301 should be executed on the command line interface. There is no need to change profiles or PVA acceleration.

A new FastL4 profile should be created and applied to the virtual server with PVA acceleration disabled. Then the packet capture tcpdump -ni vlan301 should be executed on the command line interface.

The LTM device is under light load. The traffic should be mirrored to a dedicated sniffing device. On the sniffing device, the packet capture tcpdump -ni vlan301 should be executed.

Question # 58

The BIG-IP Administrator needs to perform a BIG-IP device upgrade to the latest version of TMOS. Where can the administrator obtain F5 documentation on upgrade requirements?

iHealth

Network > Interfaces

Local Traffic > Pools

AsKFS

Local Traffic > Virtual Servers

Question # 59

An LTM Specialist needs to force only FTP traffic, sourced from subnet 10.10.10.0/24 to virtual server 10.10.20.1 to the new FTP1 server. The following virtual servers are configured on the LTM device:

Traffic sourced from 10.10.10/24 must use the specific pool member for load balancing.

Which configuration change is needed to meet the requirements?

Create a new virtual server for traffic sourced from 10.10.10.0/24 on port 80 that is destined to 10.10.20.1/32, and create a new pool has only the pool member FTP1 defined.

Add FTP1 to the pool assigned to the MyVS4 virtual server, and remove all other pool members from the pool.

Create a new virtual server for traffic sourced from 10.10.10.0/24 on traffic sourced from 10.10.10./24 on port 21 that is destined to 10.10.20.1/32, and create a new pool that has only the pool member FTP1 defined.

Add FTP1 to the pool assigned to the MyVS2 virtual server, and remove all other pool member from the pool.

Question # 60

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?

Idle timeout

Reset on timeout

Slow Start

Multipath TCP