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| Certification Vendor: | F5 |
|---|---|
| Exam Name: | BIG-IP Administration Data Plane Concepts |
| Exam Number: | F5CAB2 |
| Available Languages: | English |
| Exam Price: | $50 USD |
| Exam Duration: | 30 minutes |
| Exam Format: | Multiple Choice, Scenario-based |
| Related Certifications: | F5 Certified Administrator, BIG-IP (F5-CA) |
| Passing Score: | Pass/Fail (Scaled scoring, specific threshold not publicly disclosed per sub-exam) |
| Real Exam Qty: | 30 |
| Sample Questions: | F5 F5CAB2 Sample Questions |
| Exam Way: | Online (Pearson VUE) |
| Pre Condition: | None specified. It is one of five exams required for the F5 Certified Administrator, BIG-IP credential. |
| Official Syllabus URL: | https://education.f5.com/courses/1089 |
We are equipped with a team of IT elites who have a good knowledge of IT field and do lots of study in F5 certification exam. All dumps free of TestBraindump are creating based on the actual test. Our colleagues check the updating of F5CAB2 Test Questions everyday to make sure that all answers are latest and valid. Our F5CAB2 test study material contains valid top questions and detailed exam answers.
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NEW QUESTION # 61
A BIG-IP Administrator has a cluster of devices. What should the administrator do after creating a new Virtual Server on device 1?
Answer: C
Explanation:
F5 BIG-IP uses a ConfigSync mechanism to ensure that all members of a Device Service Cluster (DSC) share the same configuration.
Manual Synchronization: By default, configuration changes made on one device (the "source") do not automatically propagate to other members.
Direction of Sync: Once a Virtual Server is created on device 1, that device's configuration is now "newer" than the rest of the group. The administrator must initiate a synchronization from the modified device (device 1) to the Sync-Failover group.
Consistency: This ensures that if a failover occurs, device 2 (the standby) will have the exact same Virtual Server configuration and can take over traffic immediately without interruption.
NEW QUESTION # 62
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)
Answer: A
Explanation:
In BIG-IP traffic management, persistence profiles cause existing client connections (and subsequent requests) to be repeatedly sent to the same pool member. When persistence is enabled, simply preventing new connections is not sufficient if the requirement is to immediately remove all existing connections.
Key behavior of pool member states:
* Forced Offline
* Immediately removes the pool member from load balancing.
* Terminates all existing connections, regardless of persistence.
* Prevents new connections from being established.
* This is the correct state when urgent maintenance or troubleshooting is required.
* Disabled
* Prevents new connections from being sent to the pool member.
* Allows existing connections to continue, which is not acceptable when persistence is configured and connections must be cleared immediately.
* Offline (non-forced)
* Similar to Disabled behavior depending on context.
* Does not guarantee immediate termination of existing connections.
* Manually deleting connections via the command line
* Is unnecessary and operationally inefficient.
* BIG-IP already provides a supported mechanism (Forced Offline) to cleanly and immediately remove traffic.
Conclusion:
To immediately remove all existing connections, including those maintained by persistence, the BIG-IP Administrator must set the pool member to a Forced Offline state. This directly satisfies the requirement without additional manual steps.
NEW QUESTION # 63
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)
Answer: B
Explanation:
These are DoS / SYN flood protection settings, unrelated to persistence or HA behavior.
Explanation:
Comprehensive and Detailed Explanation (BIG-IP Administration - Data Plane Concepts):
This scenario combines session continuity, multiple protocols (HTTP and FTP), and HA failover behavior, which directly implicates persistence handling across devices and services.
Key Requirements Breakdown
Same pool member for entire session
Session must survive failover
Session must span multiple services (HTTP and FTP)
Why Persistence Mirroring + Match Across Services Is Required
Persistence Mirroring
Ensures persistence records are synchronized from the active BIG-IP to the standby BIG-IP.
Without mirroring:
After failover, the standby device has no persistence table
Clients are load-balanced again
Sessions break, forcing users to restart
Persistence mirroring is essential for session continuity during failover Match Across Services Allows a single persistence record to be shared across multiple virtual servers / protocols Required when:
HTTP and FTP must use the same pool member
Multiple services are part of a single application session
Together, these settings ensure:
Persistence survives device failover
Persistence is honored across HTTP and FTP
Why the Other Options Are Incorrect
A . Cookie persistence and session timeout
Cookie persistence only applies to HTTP and does not address FTP or failover synchronization.
B . Stateful failover and Network Failover detection
Stateful failover applies to connection state, not persistence records, and does not link HTTP and FTP sessions.
NEW QUESTION # 64
When using the setup utility to configure a redundant pair, you are asked to provide a "Failover Peer IP". Which address is this?
Answer: C
Explanation:
When establishing a redundant pair, each device must know where to send its health heartbeats and sync data.
The Peer IP: The Failover Peer IP is the IP address belonging to the other BIG-IP device in the HA pair. This is typically a34 Self-IP on a dedicated "HA" or "Internal" VLAN, or the Management IP.
Purpose: It identifies the destination for the "Heartbeat" (the "Are you alive?" check).
Setup Context: During the initial setup, you tell Device A to look for Device B at its "Failover Peer IP," and you tell Device B to look for Device A at its respective "Failover Peer IP."
NEW QUESTION # 65
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?
Answer: A
Explanation:
Managing the lifecycle of a pool member requires understanding the difference between "Disabled" and
"Forced Offline" states, especially when persistence is involved.
* Disabled (User-Disabled): This state allows existing connections and persistent sessions to continue until they naturally time out or are closed by the client/server. It only preventsnewsessions from being established.
* Forced Offline: This state is more restrictive; it allows existing connections to complete butrejectsall new connections, including those with existing persistence records.
* Immediate Removal: Neither "Disabled" nor "Forced Offline" will instantly kill currently active, established TCP connections. To meet the requirement of "immediately" removing all connections, the administrator must first set the member toForced Offline(to prevent persistence from bringing in new traffic) and then use the command line (e.g., tmsh delete sys connection ss-server-addr [IP]) to clear the current connection table entries.
NEW QUESTION # 66
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