F5 F5-CA 201 Questions & Answers

• Question 21:

  Refer of the exhibit.

  

  The 816-IP Administrator runs the command shown and observes a device trust issue between BIG-IP devices in a device group. The issue prevents config sync on device bigip3.local. What is preventing the config sync?

  A. Next Active Load factor is 0 on bigip1.local

  B. Both devices are standby

  C. Next Active Load factor is 1 on bigip1.local

  D. Time Delta to local system is 12

  Correct Answer: A

  Option A should be bioip3.local?. if choose bigip3.local, you should choose A.

• Question 22:

  Which three statements describe a characteristic of profiles? (Choose three.)

  A. Default profiles cannot be created or deleted.

  B. Custom profiles are always based on a parent profile.

  C. A profile can be a child of one profile and a parent of another.

  D. All changes to parent profiles are propagated to their child profiles.

  E. While most virtual servers have at least one profile associated with them, it is not required.

  Correct Answer: ABC

• Question 23:

  Some users who connect to a busy Virtual Server have connections reset by the BIG-IP system. Pool member resources are NOT a factor in this behavior. What is a possible cause for this behavior?

  A. The Connection Rate Limit is set too high

  B. The server SSL Profile has NOT been reconfigured.

  C. The Connection Limit is set too low.

  D. The Rewrite Profile has NOT been configured.

  Correct Answer: C

  The topic explains that the connection reset behavior is caused by the vs configuration rather than the server resource problem. The answers B C are all configuration at the service forwarding level. If there is a problem with the configuration, it is all a problem rather than some users. Answer C's Connection Limit will cause a reset behavior when the connection reaches the threshold.

• Question 24:

  Which statement is true concerning iRule events?

  A. All iRule events relate to HTTP processes.

  B. All client traffic has data that could be used to trigger iRule events.

  C. All iRule events are appropriate at any point in the clientserver communication.

  D. If an iRule references an event that doesn't occur during the client's communication, the client's connection will be terminated prematurely.

  Correct Answer: B

• Question 25:

  Refer to the exhibit.

  

  

  During maintenance, the BIG-IP Administrator manually disables a pool member as shown. What is the result?

  A. All pool members continue to process persistent connections

  B. All pool members stop accepting new connections.

  C. The disabled pool member stops processing persistent connections.

  D. The disabled pool member stops processing existing connections

  Correct Answer: A

• Question 26:

  Which statement is true about the synchronization process, as performed by the Configuration Utility or by typing b config sync all?

  A. The process should always be run from the standby system.

  B. The process should always be run from the system with the latest configuration.

  C. The two /config/bigip.conf configuration files are synchronized (made identical) each time the process is run.

  D. Multiple files, including /config/bigip.conf and /config/bigip_base.conf, are synchronized (made identical) each time the process is run.

  Correct Answer: C

• Question 27:

  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?

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

  B. The IP addresses are already in use.

  C. The Application Services have Strict Updates enabled.

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

  Correct Answer: C

  Strict Updates : Indicates whether the application service is tied to the template, so when the template is updated, the application service changes to reflect the updates.

• Question 28:

  A BIG-IP Administrator reviews the log files to determine the cause of a recent problem and finds the following entry.

  Mar 27.07.58.48 local/BIG-IP notice mcpd {5140} 010707275 Pool member 172.16.20.1.10029 monitor status down.

  What is the cause of this log message?

  A. The pool member has been disabled.

  B. The pool member has been marked as Down by the BIG-IP Administrator.

  C. The monitor attached to the pool member needs a higher timeout value.

  D. The monitor attached to the pool member has failed.

  Correct Answer: D

• Question 29:

  A Standard Virtual Server for a web application is configured with Automap for the Source Address Translation option. The original source address of the client must be known by the backend servers. What should the BIG-IP Administrator configure to meet this requirement?

  A. The Virtual Server type as Performance (HTTP)

  B. An HTTP profile to insert the X-Forward-For header

  C. An HTTP Transparent profile

  D. A SNAT Pool with the client IP

  Correct Answer: B

  Because it is a web application, you can insert the source IP in the xff field in the http profile.

• Question 30:

  A development team needs to apply a software fix and troubleshoot one of its servers. The BIG-IP Administrator needs to immediately remove all connections from the BIG-IP system to the back end server. The BIG-IP Administrator checks the Virtual Server configuration and finds that a persistence profile is assigned to it. What should the 8IG-IP Administrator do to meet this requirement?

  A. Set the pool member to a Forced Offline state and manually delete easting connections through the command line.

  B. Set the pool member to a Forced Offline state.

  C. Set the pool member to a Disabled state.

  D. Set the pool member to a Disabled state and manually delete existing connections through the command line.

  Correct Answer: A