F5 Certified Administrator, BIG-IP Recertification v1.0
Question 1
Refer to the exhibit.
A pool member fails the monitor checks for about 30 minutes and then starts passing the monitor checks. New traffic is NOT being sent to the pool member.
What is the likely reason for this problem?
- A. Manual resume is enabled.
- B. Monitor Type is TCP Half Open.
- C. The pool member is disabled.
- D. Time Until Up is zero.
Answer : A
Question 2
On the vCMP system, a BIG-IP host administrator imports a new ISO image into the host’s /shared/images folder. The new ISO images that reside on the vCMP host are available for installation on the guest.
How should the BIG-IP Administrator install one image from within the guest?
-
A.
Run the following command on guest:
tmsh install sys software image image_name volume <volume_name> -
B.
Run the following command on guest:
tmsh install sys software block-device-image image_name volume <volume_name> -
C.
Run the following command on host:
tmsh install sys software block-device-image image_name volume <volume_name> - D. Install the new software on the host and wait for it to automatically be installed on all guests
Answer : B
Question 3
What should a BIG-IP Administrator configure to minimize impact during a failover?
- A. MAC masquerading
- B. Clone pool
- C. External monitors
- D. OneConnect profile
Answer : A
Question 4
A set of servers is used for an FTP application as well as an HTTP website via separate BIG-IP Pools. The server support team reports that some servers are receiving a lot more traffic than others.
Which Load Balancing Method should the BIG-IP Administrator apply to even out the connection count?
- A. Least Connections (Member)
- B. Least Connections (Node)
- C. Ratio (Member)
- D. Ratio (Node)
Answer : B
Question 5
A BIG-IP Administrator needs to have a BIG-IP linked to two upstream switches for resilience of the external network. The network engineer who is going to configure the switch instructs the BIG-IP Administrator to configure interface binding with LACP.
Which configuration should the administrator use?
- A. A virtual server with an LACP profile and the interfaces connected to the switches as pool members
- B. A Trunk listing the allowed VLAN IDs and MAC addresses configured on the switches
- C. A virtual server with an LACP profile and the swtiches' management IPs as pool members
- D. A Trunk containing an interface connected to each switch
Answer : D
Question 6
A Virtual Server uses an iRule to send traffic to pool members depending on the URI. The BIG-IP Administrator needs to modify the pool member in the iRule.
Which event declaration does the BIG-IP Administrator need to change to accomplish this?
- A. SERVER_CONNECTED
- B. HTTP_REQUEST
- C. CLIENT_ACCEPTED
- D. HTTP_RESPONSE
Answer : B
Question 7
A device group is currently in the Changes Pending sync status.
How can the BIG-IP Administrator determine which member of the device group has the most recent configuration?
- A. Device Management > Device Groups
- B. Device Management > Devices
- C. Device Management > Overview
- D. System > High Availability
Answer : C
Question 8
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. A SNAT Pool with the client IP
- B. The Virtual Server type as Performance (HTTP)
- C. An HTTP profile to insert the X-Forward-For header
- D. An HTTP Transparent profile
Answer : C
Question 9
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?
- A. Tunnel
- B. Administrative
- C. Application
- D. Accelerated
Answer : B
Question 10
Refer to the exhibit.
Which two pool members should be chosen for a new connection? (Choose two.)
- A. 172.16.15.2:80
- B. 172.16.15.9:80
- C. 172.16.15.7:80
- D. 172.16.15.4:80
- E. 172.16.15.1:80
Answer : CD
Question 11
Refer to the exhibit.
A BIG-IP Administrator needs to deploy an application on the BIG-IP system to perform SSL offload and re-encrypt the traffic to pool members. During testing, users are unable to connect to the application.
What must the BIG-IP Administrator do to resolve the issue?
- A. Enable Forward Proxy in the SSL Profile (Client)
- B. Remove the configured SSL Profile (Client)
- C. Configure Protocol Profile (Server) as splitsession-default-tcp
- D. Configure an SSL Profile (Server)
Answer : D
Question 12
A BIG-IP Administrator uses backend servers to host multiple services per server. There are multiple virtual servers and pools defined, referencing the same backend servers.
Which load balancing algorithm is most appropriate to have an equal number of connections on each backend server?
- A. Predictive (member)
- B. Predictive (node)
- C. Least Connections (member)
- D. Least Connections (node)
Answer : D
Question 13
A BIG-IP Administrator plans to upgrade a BIG-IP device to the latest TMOS version.
Which two tools could the administrator leverage to verify known issues for the target versions? (Choose two.)
- A. F5 Downloads
- B. F5 Bug Tracker
- C. F5 End User Diagnostics (EUD)
- D. F5 iHealth
- E. F5 University
Answer : BD
Question 14
Which Virtual Server type prevents the use of a default pool?
- A. Standard
- B. Forwarding (IP)
- C. Performance HTTP
- D. Performance (Layer 4)
Answer : B
Question 15
A BIG-IP Administrator is making adjustments to an iRule and needs to identify which of the 235 Virtual Servers configured on the BIG-IP device will be affected.
How should the administrator obtain this information in an efficient way?
- A. Local Traffic > Network Map
- B. Local Traffic > iRules
- C. Local Traffic > Pools
- D. Local Traffic > Virtual Servers
Answer : B