ちなみに、JPTestKing F5CAB3の一部をクラウドストレージからダウンロードできます：https://drive.google.com/open?id=1YXNUsTmgWOUwcy4v_E9heekuFaAdqC_I
テストの気分が悪い場合は、毎回F5CAB3のソフトテストエンジンまたはアプリテストエンジンを選択する必要があります。 これらの2つのバージョンには、実際のテストシーンをシミュレートする機能が1つあります。 時間指定試験を設定し、何度も練習することができます。 F5 F5CAB3ダンプトレントで試験のペースを感じ、テストする時間を確保できます。 あなたがしたいことをしなければならない時間と機会を利用すべきです。 F5CAB3ダンプトレントファイルを使用すると、テストの雰囲気を保つことができます。
| Certification Vendor: | F5 Networks |
|---|---|
| Exam Name: | BIG-IP Administration Data Plane Configuration |
| Exam Number: | F5CAB3 |
| Real Exam Qty: | 30 |
| Passing Score: | 245 |
| Exam Price: | USD 50 (Online), USD 65 (Test Center) |
| Related Certifications: | BIG-IP Administration Data Plane Concepts (F5CAB2) BIG-IP Administration Support and Troubleshooting (F5CAB5) BIG-IP Administration Install, Initial Configuration, and Upgrade (F5CAB1) BIG-IP Administration Control Plane Administration (F5CAB4) |
| Exam Duration: | 30 minutes |
| Certificate Validity Period: | 3 years |
| Available Languages: | English |
| Exam Format: | Multiple Choice, Scenario-based |
| Recommended Training: | F5 Certified Administrator BIG-IP Blueprint Administering BIG-IP Training Course |
| Exam Registration: | F5 Education Certiverse Pearson VUE |
| 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 |
当社F5の専門家は長い間F5CAB3試験に集中しており、新しい知識を見落とすことはありません。教材の内容は常に最新の状態に保たれています。 F5CAB3学習ガイドの購入後に新しい情報が出ても心配する必要はありません。新しいバージョンがある場合は、メールでお知らせします。私たちの多大な努力により、私たちの教材はF5CAB3試験に絞られ、対象にされました。したがって、無駄なF5CAB3のBIG-IP Administration Data Plane Configuration試験資料情報に時間を浪費することを心配する必要はありません。
| トピック | 出題範囲 |
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| トピック 2 |
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質問 # 52
A virtual server is configured to offload SSL from a pool of backend servers. When users connect to the virtual server, they successfully establish an SSL connection but no content is displayed. A packet trace performed on the server shows that the server receives and responds to the request. What should a BIG-IP Administrator do to resolve the problem?
正解：B
解説：
This scenario describes a classic routing issue often encountered during SSL offload deployments. The fact that an SSL connection is established indicates the Client SSL profile is working correctly. The packet trace showing the server "receives and responds" to the request is the most critical diagnostic clue.
When a BIG-IP receives traffic, it typically passes the client's original source IP address to the backend server. If the backend server's default gateway is not the BIG-IP (a common "one-arm" network topology), the server will attempt to send its response directly back to the client's IP via its own default router. The client's browser will reject this response because it expects traffic to come from the Virtual Server's IP, not the backend server's IP.
To resolve this, the administrator must enable SNAT (Source Address Translation), typically using SNAT Automap. When SNAT is enabled, the BIG-IP replaces the client's original source IP with one of its own Self IPs before forwarding the request to the server. Because the source of the packet is now the BIG-IP, the backend server is forced to send its response back to the BIG-IP. The BIG-IP then receives the response, translates it back, and delivers the content to the user. Option A is unnecessary if the servers are expecting plain-text traffic after the BIG-IP performs offload. Option D would only worsen the existing routing discrepancy.
質問 # 53
A web server administrator informs the BIG-IP Administrator that web servers currently load-balanced require encrypted traffic. Starting next month, the web server administrator will offload SSL. Starting next month, the BIG-IP device will terminate SSL to reduce web server load. The BIG-IP device is already using Client SSL, Client port, and iRules on HTTP traffic. What actions should the BIG-IP Administrator take to achieve the desired configuration? (Choose one answer)
正解：B
解説：
To solve this requirement, we must distinguish between the two "legs" of an SSL connection in a BIG-IP environment: Client-side and Server-side.
* Current State (SSL Bridging): The administrator states the servers currently require encrypted traffic.
This means the BIG-IP is likely performing "SSL Bridging." In this setup, a Client SSL profile terminates encryption from the user, and a Server SSL profile re-encrypts the traffic before sending it to the back-end servers.
* Target State (SSL Offloading): The requirement is to "offload SSL" to reduce web server load. This means the BIG-IP will continue to handle the encryption for the users (keeping the Client SSL profile) but will communicate with the back-end servers using unencrypted HTTP.
Why Option A is correct:
* Remove the Server SSL profile: By removing this profile, the BIG-IP stops attempting to initiate an SSL
/TLS handshake with the pool members.
* Configure Pool Members to use HTTP: The service port for the pool members must be changed (typically from port 443 to port 80) so that the BIG-IP sends standard HTTP traffic to the servers.
Why other options are incorrect:
* B & D: These suggest removing the Client SSL profile. If you remove this, the users can no longer connect via HTTPS, which violates the requirement for encrypted communication between the users and the BIG-IP.
* C: Changing the Virtual Server to accept HTTP traffic would mean the user-to-BIG-IP connection is no longer encrypted, which is the opposite of SSL termination/offloading.
質問 # 54
Exhibit:
Due to a change in application requirements, a BIG-IP Administrator needs to modify the configuration of a Virtual Server to include a Fallback Persistence Profile. Which persistence profile type should the BIG-IP Administrator use for this purpose?
正解：B
解説：
In a BIG-IP environment, a Fallback Persistence Profile is utilized as a secondary "stickiness" mechanism when the primary (Default) persistence method fails to provide a valid persistence record. For example, if a Virtual Server uses HTTP Cookie Persistence as its primary method, but a client's browser has cookies disabled, the BIG-IP will be unable to find a persistence cookie in the request. Without a fallback method, the system would treat every request from that client as a new, independent connection, potentially breaking the application session.
Source Address Affinity (also known as Source Address Persistence) is the most common and standard choice for a fallback profile. It operates at the network layer (Layer 3) by tracking the client's source IP address.
Because every IP packet contains a source address, this method is virtually guaranteed to work even when application-layer data (like Cookies or SSL Session IDs) is missing or encrypted beyond the BIG-IP's visibility. While Universal (Option A) and Hash (Option D) profiles are highly flexible and can use iRules to persist on almost any data, they require specific configuration and logic that may not always be present or valid. SSL persistence (Option C) relies on the SSL Session ID, which frequently changes due to modern browser security practices (session renegotiation), making it less reliable than Source Address Affinity. By configuring Source Address Affinity as the fallback, the administrator ensures that the BIG-IP has a "safety net" to maintain session integrity based on the client's IP address when the more granular cookie-based persistence is unavailable.
質問 # 55
Refer to the exhibit.
A BIG-IP Administrator needs to configure health monitors for a newly configured server pool named Pool_B.
Which health monitor settings will ensure that all pool members will be accurately marked as available or unavailable? (Choose one answer)
正解：D
解説：
From the exhibit, the pool contains different applications on different service ports (for example, HTTP/80, FTP/21, HTTPS/443, SSH/22). To mark pool members correctly, BIG-IP must be able to verify the actual service running on each member's port.
In BIG-IP Administration: Data Plane Configuration, monitor behavior is described as follows:
* When multiple monitors are assigned to a pool, the Availability Requirement controls how monitor results are evaluated:
* At least one = the pool member is marked up if any one of the assigned monitors succeeds.
* All = the pool member is marked up only if every assigned monitor succeeds.
* For pools containing members with different services/ports, using All can incorrectly mark members down because monitors intended for other services will fail on the wrong port.
Why C is correct:
* Assigning HTTPS, HTTP, FTP, and SSH covers the actual services shown in the pool.
* Setting the Availability Requirement to at least one ensures that each pool member is considered available when its appropriate service monitor succeeds, without being forced to pass unrelated service monitors.
Why the other options are incorrect:
* A / D (Availability Requirement = all): would cause members to be marked down when unrelated monitors fail (e.g., SSH monitor against an HTTP member).
* B (includes ICMP): ICMP can indicate the host is reachable even if the application service is down, which does not "accurately" reflect service availability.
Therefore, the best choice is HTTPS, HTTP, FTP, and SSH with Availability Requirement of at least one health monitor.
質問 # 56
Due to a change in application requirements, a BIG-IP Administrator needs to modify the configuration of a Virtual Server to include a Fallback Persistence Profile.
Which persistence profile type should the BIG-IP Administrator use?
正解：B
解説：
Fallback persistence is used when the primary persistence method fails. Source Address Affinity is a Layer 4 persistence method and is fully supported as a fallback option for most virtual server types.
質問 # 57
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F5CAB3試験番号: https://www.jptestking.com/F5CAB3-exam.html
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