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| Certification Vendor: | F5 Networks |
|---|---|
| Exam Name: | BIG-IP Administration Data Plane Configuration |
| Exam Number: | F5CAB3 |
| Exam Price: | USD 50 (Online), USD 65 (Test Center) |
| Passing Score: | 245 |
| Related Certifications: | BIG-IP Administration Install, Initial Configuration, and Upgrade (F5CAB1) BIG-IP Administration Control Plane Administration (F5CAB4) BIG-IP Administration Data Plane Concepts (F5CAB2) BIG-IP Administration Support and Troubleshooting (F5CAB5) |
| Real Exam Qty: | 30 |
| Certificate Validity Period: | 3 years |
| Available Languages: | English |
| Exam Duration: | 30 minutes |
| Exam Format: | Multiple Choice, Scenario-based |
| Recommended Training: | Administering BIG-IP Training Course F5 Certified Administrator BIG-IP Blueprint |
| Exam Registration: | Certiverse Pearson VUE F5 Education |
| Sample Questions: | F5 F5CAB3 Sample Questions |
| Exam Way: | Online proctored (Certiverse) / Test center proctored (Pearson VUE) |
| Pre Condition: | No formal prerequisites; recommended basic understanding of BIG-IP system and networking concepts |
| Official Syllabus URL: | https://education.f5.com/certification/big-ip-administration-data-plane-configuration-f5cab3 |
専門的にIT認証試験のためのソフトを作る会社として、我々の提供するのはF5のF5CAB3ソフトのような高質量の商品だけでなく、最高の購入した前のサービスとアフターサービスです。オンライン係員は全日であなたにサービスを提供します。ほかのソフトを探したいなら、それとも、疑問があるなら、係員にお問い合わせください。ご購入した一年間、F5のF5CAB3ソフトが更新されたら、あなたに最新版のソフトを送ります。
| トピック | 出題範囲 |
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| トピック 1 |
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| トピック 2 |
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質問 # 27
Users are unable to reach an application. The Virtual Server shows a red diamond status in the Configuration Utility.
What is the cause?
正解：C
解説：
A red diamond indicates the Virtual Server is enabled but unavailable due to all pool members being down.
質問 # 28
In a pool there are 2 pool members out of the 5 members that are older servers. The number of connections these can handle is less than the other 3 pool members. Which load balancing method would allow more traffic to be directed to the newer servers?
正解：A
解説：
When dealing with heterogeneous server hardware where some servers are more powerful than others, a dynamic load balancing method that accounts for both current load and server capacity is required. The Weighted Least Connections (member) method is the most appropriate choice. This method works by tracking the number of active connections to each pool member and then "weighting" that number based on a user-defined Ratio value assigned to the member. For example, the administrator can assign a higher Ratio to the three newer, more powerful servers and a lower Ratio to the two older servers. The BIG-IP then uses a formula to calculate which server should receive the next connection, ensuring that the newer servers handle a proportionately larger share of the total concurrent connections.
Standard Round Robin (Option C) would be ineffective because it distributes connections strictly sequentially (1, 2, 3, 4, 5) without regard for the servers' capacity or current load, which would eventually overwhelm the older servers. Least Connections (member) (Option D) is better than Round Robin because it picks the server with the fewest active connections, but it still assumes all servers are equal; it would try to keep the connection counts identical across all 5 servers, which would still stress the older hardware more than the new. Global Availability (Option B) is a GSLB (DNS-based) method used for multi-site redundancy, not for local pool member load balancing. By using Weighted Least Connections, the administrator achieves a balance where the more capable servers take the brunt of the work while the older servers are utilized only to their specific safe capacity.
質問 # 29
What is the status of a pool member when manual resume is enabled and a health check first fails and then passes?
正解：D
解説：
With manual resume enabled, BIG-IP does not automatically return a pool member to service after recovery.
The member remains offline until manually re-enabled.
質問 # 30
In the BIG-IP Configuration Utility, a user requests a single screen view to determine the status of all Virtual Servers and associated pool members, as well as any iRules in use. Where should the BIG-IP Administrator instruct the user to find this view?
正解：B
解説：
The Local Traffic > Network Map provides a single consolidated view within the BIG-IP Configuration Utility that displays the full relationship hierarchy of all application delivery objects simultaneously. This includes Virtual Servers, their associated Pools, individual Pool Members, applied iRules, profiles, and the health status of each object - all rendered in a single topological screen.
This view is specifically designed for administrators and users who need rapid situational awareness across the data plane without navigating multiple menu screens. Each object is colour-coded to reflect its current availability state (green = available, red = unavailable, yellow = degraded).
The alternative options do not satisfy all requirements:
* Local Traffic > Monitors only displays health monitor configurations, not virtual server or pool member relationships.
* Statistics provides performance counters and throughput data, not object relationship mapping.
* Local Traffic > Virtual Servers lists virtual server configurations individually but does not provide a unified topology view inclusive of pool members and iRules in a single screen.
The Network Map is the authoritative single-pane-of-glass tool for application object visibility on BIG-IP.
Reference: BIG-IP Administration - Data Plane Configuration, Module: Monitoring and Managing Application Traffic - Network Map.
質問 # 31
Refer to the exhibit.
A BIG-IP Administrator configures a new VLAN on an HA pair of devices that does NOT yet have any traffic. This action causes the assigned traffic group to fail over to the standby device. Which VLAN setting should be changed to prevent this issue?
正解：C
解説：
The exhibit shows the advanced configuration of a VLAN where the Fail-safe option is checked. VLAN Fail- safe is a high-availability feature used to monitor network connectivity on a specific VLAN. When enabled, the BIG-IP system monitors the VLAN for network traffic. If the system does not detect any " useful " traffic on the VLAN within the specified Fail-safe Timeout (which is 90 seconds in the exhibit), it attempts to generate traffic by pinging the default gateway or other devices. If it still detects no traffic, the BIG-IP concludes that the VLAN is unreachable or the network interface has failed, and it triggers a " Fail-safe Action " -in this case, " Reboot " or a failover to the peer device in the HA group.
Because the administrator has just created a new VLAN that " does NOT yet have any traffic, " the Fail-safe mechanism triggers immediately after the 90-second timeout period. Since no devices are yet communicating on this VLAN, the BIG-IP incorrectly assumes there is a hardware or cabling failure and forces a failover to ensure the standby device (which might have better connectivity) takes over. To prevent this unwanted failover, the administrator should uncheck the Fail-safe box for that specific VLAN until the VLAN is fully populated with active nodes and regular traffic. Once the application is live and traffic is flowing, Fail-safe can be re-enabled to provide an additional layer of redundancy. Auto Last Hop (Option A) and Source Check (Option B) are routing and security features that do not trigger HA failover events.
質問 # 32
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