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Itcertkr 안에는 아주 거대한IT업계엘리트들로 이루어진 그룹이 있습니다. 그들은 모두 관련업계예서 권위가 있는 전문가들이고 자기만의 지식과 지금까지의 경험으로 최고의 IT인증관련자료를 만들어냅니다. Itcertkr의 F5CAB5문제와 답은 정확도가 아주 높으며 한번에 패스할수 있는 100%로의 보장도를 자랑하며 그리고 또 일년무료 업데이트를 제공합니다.
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Troubleshooting & Support | 20% | - Tools and log analysis
|
| Topic 2: Monitoring & Health Checks | 10% | - Monitor types and configuration
|
| Topic 3: Networking & Routing | 15% | - High availability setup
|
| Topic 4: Traffic Management Fundamentals | 25% | - Profiles and persistence
|
| Topic 5: Maintenance & Upgrades | 10% | - Software installation and upgrades
|
| Topic 6: BIG-IP System Architecture & Initial Setup | 20% | - Initial configuration and licensing
|
한번에F5인증F5CAB5시험을 패스하고 싶으시다면 완전 페펙트한 준비가 필요합니다. 완벽한 관연 지식터득은 물론입니다. 우리Itcertkr의 자료들은 여러분의 이런 시험준비에 많은 도움이 될 것입니다.
질문 # 12
Refer to the exhibit.
A BIG-IP Administrator needs to deploy an application on the BIG-IP system to performSSL offload and re-encrypt the traffic to pool members. During testing, users are unable to connect to the application.
What must the BIG-IP Administrator do to resolve the issue? (Choose one answer)
정답:D
설명:
To successfully performSSL offload and re-encryptionon a BIG-IP system, the virtual server must be configured withboth a Client SSL profile and a Server SSL profile. The Client SSL profile enables BIG-IP to decrypt inbound HTTPS traffic from clients, while the Server SSL profile is required tore-encrypt traffic before forwarding it to the pool members.
From the exhibit, the virtual server has aClient SSL profile configured, which allows BIG-IP to accept HTTPS connections from clients. However, there isno Server SSL profile attached, meaning BIG-IP attempts to sendunencrypted HTTP trafficto pool members listening on HTTPS (port 443). This protocol mismatch causes the server-side SSL handshake to fail, resulting in users being unable to connect to the application.
This behavior is well documented in BIG-IP SSL troubleshooting guides: when backend servers expect HTTPS, a Server SSL profile is mandatory to establish a secure connection from BIG-IP to the pool members.
The other options are incorrect:
Removing the Client SSL profile (Option A) would break client-side HTTPS.
The server-side TCP profile (Option B) is unrelated to SSL encryption.
Forward Proxy (Option C) is only used for outbound SSL inspection scenarios.
Therefore, configuring anSSL Profile (Server)is the correct and required solution.
질문 # 13
Which two methods should the BIG-IP Administrator troubleshoot a Pool-member that's been marked "DOWN" by its Health Monitor? (Pick the 2 correct responses below)
정답:B,C
설명:
When a health monitor marks a member "Down," the goal is to determine if the issue is at the network level or the application level.
Monitor Logging (Option A): In the Pool Member configuration, an administrator can enable
"Monitor Logging". This generates a detailed text file in /var/log/monitors/ that shows the exact
"Send" string sent by the BIG-IP and the exact "Receive" string (or lack thereof) returned by the server.
TCPdump (Option C): This is the most definitive way to see if the monitor traffic is even leaving the BIG-IP and if the server is responding with a TCP RST (reset) or an ICMP unreachable message. A command such as tcpdump -ni <vlan> host <member_ip> and port <member_port> is standard for this task.
질문 # 14
A Virtual Server uses an iRule to send traffic to pool members depending on the URI. The BIG-IP Administrator needs to modify the pool member in the iRule. Which event declaration does the BIG- IP Administrator need to change to accomplish this?
정답:D
설명:
In F5 TMOS administration, the traffic flow is processed through specific event huddles within iRules. To troubleshoot or modify traffic based on a URI (Uniform Resource Identifier), the BIG-IP system must first parse the application-layer data. The HTTP_REQUEST event is triggered when the system has fully received and parsed the HTTP request headers from the client. This is the correct point to implement logic that selects a pool or pool member based on the path or file requested (e.g., /images or /api). Using CLIENT_ACCEPTED would be too early in the troubleshooting process because that event triggers at the L4 (TCP) connection establishment phase, before any URI information is available. Conversely, HTTP_RESPONSE occurs during the return traffic from the server, which is too late to make a load balancing decision. For troubleshooting virtual server behavior where URIs are involved, ensuring the iRule is attached to a Virtual Server with an HTTP profile and using the HTTP_REQUEST event is essential for proper traffic steering and inspection.
질문 # 15
Without decrypting, what portion of an HTTPS session is visible with a packet capture? (Choose one answer)
정답:C
설명:
In an HTTPS session, the application-layer payload--including HTTP request headers, response headers, cookies, and body content--is encrypted using SSL/TLS. Without decrypting the traffic (for example, without SSL offloading on BIG-IP or access to the private keys), a packet capture cannot reveal any HTTP-level details.
However, network-layer and transport-layer information remains visible, even when encryption is used. This includes source and destination IP addresses, source and destination ports, TCP flags, sequence numbers, and TLS handshake metadata. Therefore, thesource IP address (Option B) is visible in a packet capture of HTTPS traffic without decryption.
질문 # 16
A Virtual Server uses an iRule to send traffic to pool members depending on the URI. The BIG-IP Administrator needs to modify the pool member in the iRule. Which event declaration does the BIG-IP Administrator need to change to accomplish this?
정답:D
설명:
In F5 TMOS administration, the traffic flow is processed through specific event huddles w3ithin iRules. To troubleshoot or m4odify traffic based on a URI (Uniform Resource Identifier), the BIG-IP system must first parse the application-layer data. The HTTP_REQUEST event is triggered when the system has fully received and parsed the HTTP request headers from the client5. This is the correct point to implement logic that selects a pool or pool member based on the path or file requested (e.g., /images or /api). Using CLIENT_ACCEPTED would be too early in the troubleshooting process because that event triggers at the L4 (TCP) connection establishment phase, before any URI information is available6. Conversely, HTTP_RESPONSE occurs during the return traffic from the server, which is too late to make a load balancing decision7. For troubleshooting virtual server behavior where URIs are involved, ensuring the iRule is attached to a Virtual Server with an HTTP profile and using the HTTP_REQUEST event is essential for proper traffic steering and inspection.
질문 # 17
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Itcertkr선택으로F5 F5CAB5시험을 패스하도록 도와드리겠습니다. 우선 우리Itcertkr 사이트에서F5 F5CAB5관련자료의 일부 문제와 답 등 샘플을 제공함으로 여러분은 무료로 다운받아 체험해보실 수 있습니다. 체험 후 우리의Itcertkr에 신뢰감을 느끼게 됩니다. Itcertkr에서 제공하는F5 F5CAB5덤프로 시험 준비하세요. 만약 시험에서 떨어진다면 덤프전액환불을 약속 드립니다.
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