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The F5CAB2 web-based practice test can accessed online. It means the exam candidates can access it from the browsers like Firefox, Microsoft Edge, Google Chrome, and Safari. The user don't need to install or download any excessive plugins to take the BIG-IP Administration Data Plane Concepts (F5CAB2) (F5CAB2) practice test. Mac, Windows, iOS, Android, and Linux support it. The third and last format is the desktop practice test software. The BIG-IP Administration Data Plane Concepts (F5CAB2) (F5CAB2) desktop practice test format can be used on Windows computers.
| Certification Vendor: | F5 |
|---|---|
| Exam Name: | F5 BIG-IP Administration Data Plane Concepts (F5CAB2) |
| Exam Number: | F5CAB2 |
| Exam Format: | Multiple Choice, Scenario-based Questions |
| Available Languages: | English |
| Related Certifications: | F5 BIG-IP Administrator F5 Certified Administrator (F5-CA) F5 Application Delivery Fundamentals |
| Recommended Training: | F5 BIG-IP Fundamentals Training |
| Exam Registration: | F5 Training & Certification Portal |
| Sample Questions: | F5 F5CAB2 Sample Questions |
| Exam Way: | Online proctored or authorized testing center (varies by region) |
| Pre Condition: | Basic networking knowledge and familiarity with TCP/IP concepts are recommended. |
| Official Syllabus URL: | https://www.f5.com/services/training-certification |
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NEW QUESTION # 22
When upgrading a BIG-IP redundant pair, what happens when one system has been updated but the other has not?
Answer: A
Explanation:
The F5 BIG-IP upgrade process for HA pairs requires a specific "staggered" approach to maintain uptime.
Configuration Sync: Because the configuration schemas between different versions are often incompatible, ConfigSync should not be performed. Attempting to sync a newer configuration to an older system (or vice-versa) can cause configuration corruption or system instability.
Failover Capability: Generally, a pair with a version mismatch can still fail over to ensure traffic continuity during the upgrade window, but administrative changes and syncs must be paused until both units are on the same version.
NEW QUESTION # 23
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)
Answer: D
Explanation:
With Least Connections (member), BIG-IP attempts to send new connections to the pool member with the fewest current connections. In a perfectly "stateless" scenario (no affinity), this often trends toward a fairly even distribution over time.
However, persistence overrides load balancing:
When a persistence profile is applied, BIG-IP will continue sending a client (or client group) to the same pool member based on the persistence record (cookie / source address / SSL session ID, etc.).
This means even if another pool member has fewer connections, BIG-IP may still select the persisted member to honor session affinity.
The result can be uneven active connection counts, even though the configured load balancing method is Least Connections.
Why the other options are not the best cause:
A . Priority Group Activation is disabled
Priority Group Activation only affects selection when priority groups are configured; disabling it does not inherently create uneven distribution under Least Connections.
B . SSL Profile Server is applied
A server-side SSL profile affects encryption to pool members, but it does not by itself cause skewed selection across pool members. (Skew could happen indirectly if members have different performance/latency, but that's not the primary, expected exam answer.) D . Incorrect load balancing method Least Connections is a valid method and does not itself explain unevenness unless something is overriding it (like persistence) or pool members are not all eligible.
Conclusion:
A persistence profile is the most common and expected reason that active connections become unevenly distributed, because persistence takes precedence over the Least Connections load-balancing decision.
NEW QUESTION # 24
The BIG-IP Administrator needs to ensure that if a pool member is marked down by the monitor, the BIG-IP system sends existing connections to another available pool member. Which task should the BIG-IP Administrator perform to meet this goal?
Answer: D
Explanation:
By default, when a pool member is marked "down" by a monitor, the BIG-IP system stops sendingnew connections to that member, but it typically allows existing connections to time out naturally (or resets them depending on profile settings).
* Action on Service Down:This setting is configured at thePoollevel.
* Reselect:When set toReselect, if a pool member is marked down, the BIG-IP system will immediately attempt to pick a different available pool member for any existing, active connections associated with the failed member.
* Client Experience:This is used to maintain the user session by transparently moving the traffic to a healthy server without the client needing to re-establish the connection to the Virtual Server.
NEW QUESTION # 25
Which statement is true concerning iRule events?
Answer: A
Explanation:
iRules are event-driven scripts that allow for advanced traffic manipulation.
* Universality of Events: Every packet that passes through t21he BIG-IP data plane triggers events.
Even non-HTTP traffic triggers events such as CLIENT_ACCEPTED (when the TCP connection is established22) or CLIENT_DATA (when raw data is received). Therefore, all client traffic-regardless of protocol-has data that can trigger an iRule event.
* Event Specificity: Events are not universal (Option C is false). For example, HTTP_REQUEST only occurs after a full HTTP header is parsed. You cannot trigger an HTTP_RESPONSE event before a request has been sent to a server.
* Protocol Agnostic: iRules are not limited to HTTP (Option A is false); they can handle TCP, UDP, DNS, FTP, SIP, and more.
* Error Handling: If an iRule references an event that never triggers (e.g., an HTTP_REQUEST event in a purely TCP virtual server), the iRule code for that event simply never executes. It does not terminate the connection (Option D is false).
NEW QUESTION # 26
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)
Answer: B
NEW QUESTION # 27
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