Updated F5CAB2 Exam Dumps (V9.02) 2026 – Prepare for BIG-IP Administration Data Plane Concepts (F5CAB2) Exam Smarter with DumpsBase

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1. Refer to the exhibit above.

















A BIG-IP pool is configured with Priority Group Activation = Less than 2 available members. The pool members have different priority groups and availability states.

Which pool members are receiving traffic? (Choose one answer)

serv1

serv1, serv3

serv1, serv2, serv3, serv4

serv1, serv3, serv4

2. The network architecture for a BIG-IP consists of an external VLAN and an internal VLAN with two interfaces connected to the upstream switch. The design requires fault tolerance in the case that one

of the interfaces is down.

Which deployment architecture meets these requirements? (Choose one answer)

One network trunk with both VLANs and LACP enabled, and both VLANs configured as untagged

Two network trunks each with one VLAN and LACP enabled, and both VLANs configured as tagged

Two network trunks each with one VLAN and LACP disabled, and one VLAN configured as tagged and one VLAN configured as untagged

One network trunk with both VLANs and LACP enabled, and both VLANs configured as tagged

3. An application is configured so that the same pool member must be used for an entire session, and this behavior must persist across HTTP and FTP traffic. A user reports that a session terminates and must be restarted after the active BIG-IP device fails over to the standby device.

Which configuration settings should the BIG-IP Administrator verify to ensure proper behavior when BIG-IP failover occurs? (Choose one answer)

Cookie persistence and session timeout

Stateful failover and Network Failover detection

Persistence mirroring and Match Across Services

SYN-cookie insertion threshold and connection low-water mark

4. Refer to the exhibit.


The network team creates a new VLAN on the switches. The BIG-IP Administrator creates a new VLAN and a Self IP on the BIG-IP device, but the servers on the new VLAN are NOT reachable from the BIG-IP device.

Which action should the BIG-IP Administrator take to resolve this issue? (Choose one answer)

Set Port Lockdown of the Self IP to Allow All

Change Auto Last Hop to enabled

Assign a physical interface to the new VLAN

Create a Floating Self IP address

5. Which of the following lists the order of preference from most preferred to least preferred when BIG-IP processes and selects a virtual server? (Choose one answer)

Destination host address → Source host address → Service port

Source host address → Service port → Destination host address

Service port → Destination host address → Source host address

6. A BIG-IP Administrator assigns the default HTTP health monitor to a pool that has three members

listening on port 80. When the administrator connects to each pool member using the curl utility, two of the members respond with a status of 404 Not Found, while the third responds with 200 OK.

What will the pool show for member availability? (Choose one answer)

Two members offline and one member online

Two members online and one member offline

All members offline

All members online

7. Active connections to pool members are unevenly distributed. The load balancing method is Least Connections (member). Priority Group Activation is disabled.

What is a potential cause of the uneven distribution? (Choose one answer)

Priority Group Activation is disabled

SSL Profile Server is applied

A persistence profile is applied

Incorrect load balancing method

8. Which virtual server type is being configured in the screenshot? (Choose one answer.)

Standard

Forwarding IP

Performance Layer 4

9. A BIG-IP system receives UDP traffic from a specific source. The administrator wants the traffic to be forwarded, not dropped or rejected.

Which virtual server type should be used? (Choose one answer)

Drop

Reject

Block

Standard

10. An organization needs to deploy an HTTP application on a BIG-IP system. The requirements specify hardware acceleration to enhance performance, while HTTP optimization features are not required.

What type of virtual server and associated protocol profile should be used to meet these requirements? (Choose one answer)

Type: Stateless Protocol Profile: fastL4

Type: Standard Protocol Profile: tcp-wan-optimized

Type: Performance (Layer 4) Protocol Profile: fastL4

Type: Performance (HTTP) Protocol Profile: fasthttp

11. What is the result when a BIG-IP Administrator manually disables a pool member? (Choose one answer)

The disabled pool member stops processing persistent connections.

All pool members continue to process persistent connections.

The disabled pool member stops processing existing connections.

All pool members stop accepting new connections.

12. An ecommerce company is experiencing latency issues with online shops during Black Friday’s peak season. The BIG-IP Administrator detects an overall high CPU load on the BIG-IP device and wants to move the top utilized Virtual Servers to a dedicated BIG-IP device.

Where should the BIG-IP Administrator determine the problematic Virtual Servers? (Choose one answer)

Local Traffic > Virtual Servers > Virtual Server List

System > Platform

Statistics > Module Statistics > Local Traffic > Virtual Servers

Local Traffic > Network Map

13. A BIG-IP Administrator needs to connect a BIG-IP system to two upstream switches to provide external network resilience. The network engineer instructs the administrator to configure interface binding with LACP.

Which configuration should the administrator use? (Choose one answer)

A virtual server with an LACP profile and the switches’ management IPs as pool members.

A virtual server with an LACP profile and the interfaces connected to the switches as pool members.

A Trunk listing the allowed VLAN IDs and MAC addresses configured on the switches.

A Trunk containing an interface connected to each switch.

14. A BIG-IP Administrator has a cluster of devices.

What should the administrator do after creating a new Virtual Server on device 1? (Choose one answer)

Synchronize the settings of the group to device 1

Create a new cluster on device 1

Synchronize the settings of device 1 to the group

Create a new virtual server on device 2

15. The BIG-IP Administrator wants to provide quick failover between the F5 LTM devices that are configured as an HA pair with a single Self IP using the MAC Masquerade feature.

The administrator configures MAC masquerade for traffic-group-1 using the following command:

`tmsh modify /cm traffic-group traffic-group-1 mac 02:12:34:56:00:00`

However, the Network Operations team identifies an issue with using the same MAC address across multiple VLANs. As a result, the administrator enables Per-VLAN MAC Masquerade to ensure a unique MAC address per VLAN by running:

`tmsh modify /sys db tm.macmasqaddr_per_vlan value true`

What would be the resulting MAC address on a tagged VLAN with ID 1501? (Choose one answer)

02:12:34:56:01:15

02:12:34:56:dd:05

02:12:34:56:05:dd

02:12:34:56:15:01

16. A BIG-IP Administrator is informed that traffic on interface 1.1 is expected to increase beyond the maximum bandwidth capacity of the link. There is a single VLAN on the interface.

What should the BIG-IP Administrator do to increase the total available bandwidth? (Choose one answer)

Increase the MTU on the VLAN using interface 1.1

Create a trunk object with two interfaces

Assign two interfaces to the VLAN

Set the media speed of interface 1.1 manually

17. Refer to the exhibit.





During a planned upgrade to a BIG-IP HA pair running Active/Standby, an outage to application traffic is reported shortly after the Active unit is forced to Standby. Reverting the failover resolves the outage.

What should the BIG-IP Administrator modify to avoid an outage during the next failover event? (Choose one answer)

The Tag value on the Standby device

The interface on the Active device to 1.1

The Tag value on the Active device

The Interface on the Standby device to 1.1

18. A BIG-IP Administrator makes a configuration change to a Virtual Server on the Standby device of an HA pair. The HA pair is currently configured with Auto-Sync enabled.

What effect will the change have on the HA pair configuration? (Choose one answer)

The change will be undone next time a configuration change is made on the Active device.

The change will be propagated next time a configuration change is made on the Active device.

The change will be undone when Auto-Sync propagates the config to the Standby device.

The change will take effect when Auto-Sync propagates the config to the HA pair.

19. 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 BIG-IP Administrator do to meet this requirement? (Choose one answer)

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

Set the pool member to an Offline state and manually delete existing connections through the command line

Set the pool member to a Forced Offline state

Set the pool member to a Disabled state

20. A BIG-IP system receives a client connection destined to 1.0.0.10:8080. Multiple virtual servers are configured on the system.

Which virtual server will process the connection? (Choose one answer)

A forwarding virtual server configured with 0.0.0.0:any

A forwarding virtual server configured with 1.0.0.10:any (port 0)

A virtual server configured with destination 1.0.0.10:8080 and is available (green)

A virtual server configured with 0.0.0.0:8080

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