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Pass4Tes가 제공하는 제품을 사용함으로 여러분은 IT업계하이클래스와 멀지 않았습니다. Pass4Tes 가 제공하는 인증시험덤프는 여러분을F5인증F5CAB2시험을 안전하게 통과는 물론 관연전업지식장악에도 많은 도움이 되며 또한 우리는 일년무료 업뎃서비스를 제공합니다.
| Certification Vendor: | F5 |
|---|---|
| Exam Name: | BIG-IP Administration Data Plane Concepts |
| Exam Number: | F5CAB2 |
| Related Certifications: | F5 Certified Administrator, BIG-IP (F5-CA) |
| Passing Score: | Pass/Fail (Scaled scoring, specific threshold not publicly disclosed per sub-exam) |
| Exam Duration: | 30 minutes |
| Available Languages: | English |
| Exam Format: | Multiple Choice, Scenario-based |
| Real Exam Qty: | 30 |
| Exam Price: | $50 USD |
| 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 |
비스를 제공해드려 아무런 걱정없이 F5CAB2시험에 도전하도록 힘이 되어드립니다. Itcertkr덤프를 사용하여 시험에서 통과하신 분이 전해주신 희소식이 Itcertkr 덤프품질을 증명해드립니다.
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질문 # 23
A BIG-IP Administrator configures remote authentication and needs to make sure that users can still login even when the remote authentication server is unavailable. Which action should the BIG-IP Administrator take in the remote authentication configuration to meet this requirement?
정답：D
설명：
The BIG-IP system supports various remote authentication methods like LDAP, Active Directory, and RADIUS.
* Fallback to Local:This is a specific security and availability feature within theSystem > Users > Authenticationconfiguration.
* Redundancy:When "Fallback to Local" is enabled, the BIG-IP will first attempt to authenticate a user against the configured remote server. If that remote server is unreachable or fails to respond, the system will then check its internalLocal User databasefor credentials.
* Administrative Access:This is standard practice for the "admin" or emergency accounts to ensure the system remains accessible even if the corporate directory service (e.g., AD) is offline.
질문 # 24
An application is configured so that thesame pool member must be used for an entire session, and this behavior must persist acrossHTTP and FTP traffic. A user reports that a session terminates and must be restarted after theactive BIG-IP device fails overto the standby device.
Which configuration settings should the BIG-IP Administrator verify to ensure proper behavior when BIG-IP failover occurs? (Choose one answer)
정답：C
설명：
This scenario combinessession continuity,multiple protocols (HTTP and FTP), andHA failover behavior, which directly implicatespersistence handling across devices and services.
Key Requirements Breakdown
* Samepool member for entire session
* Session must survivefailover
* Session must spanmultiple services (HTTP and FTP)
Why Persistence Mirroring + Match Across Services Is Required
Persistence Mirroring
* Ensurespersistence records are synchronizedfrom the active BIG-IP to the standby BIG-IP.
* Without mirroring:
* After failover, the standby device hasno persistence table
* Clients are load-balanced again
* Sessions break, forcing users to restart
* Persistence mirroring is essential forsession continuity during failover Match Across Services
* Allows asingle persistence recordto be shared acrossmultiple virtual servers / protocols
* Required when:
* HTTP and FTP must use thesame pool member
* Multiple services are part of a single application session
Together, these settings ensure:
* Persistence survivesdevice failover
* Persistence is honoredacross HTTP and FTP
Why the Other Options Are Incorrect
* A. Cookie persistence and session timeoutCookie persistence only applies to HTTP and does not address FTP or failover synchronization.
* B. Stateful failover and Network Failover detectionStateful failover applies toconnection state, not persistence records, and does not link HTTP and FTP sessions.
* D. SYN-cookie insertion threshold and connection low-water markThese are DoS / SYN flood protection settings, unrelated to persistence or HA behavior.
질문 # 25
Which statement is true concerning the default communication between a redundant pair of BIG-IP devices?
정답：D
설명：
Redundant BIG-IP systems (HA pairs) must maintain constant communication to monitor the health of the peer and synchr15onize states.16
* Heartbeats: By default, even with a serial cable, th17e BIG-IP systems exchange "heartbeat" packets over the network to determine if the peer is still alive.
* Network Failover: This involves the exchange of UDP packets (typically on port 1026) at regular intervals.
* Device Service Clustering (DSC): Modern BIG-IP versions use the Central Management (cm) infrastructure to communicate configuration status and sync status constantly.
* Clarification on others: Port lockdown does affect HA communication if misconfigured (A is false).
Mirroring uses separate channels (B is false). Mirroring is never sent over the serial cable because it requires high bandwidth (D is false).
질문 # 26
Which virtual server type is being configured in the screenshot? (Choose one answer.)
정답：A
설명：
The configuration shown matches a Performance Layer 4 virtual server because it is explicitly using a FastL4 profile:
The screenshot shows Protocol: TCP and Protocol Profile (Client): fastL4.
In BIG-IP data plane terms, FastL4 is the hallmark of a Performance (Layer 4) virtual server, designed to process connections at Layer 4 with minimal overhead (high throughput/low latency) compared to full proxy L7 processing.
The screenshot also shows HTTP Profile (Client): None (and HTTP server profile effectively not in use).
A Standard virtual server commonly uses full-proxy features and frequently includes L7 profiles (like HTTP) when doing HTTP-aware load balancing, header manipulation, cookie persistence, etc. In contrast, a Performance L4 virtual server typically does not use an HTTP profile because it is not doing HTTP-aware (Layer 7) processing.
It is not a Forwarding IP virtual server:
A Forwarding (IP) virtual server is used to route/forward packets (often without load balancing to pool members in the same way as Standard/Performance VS) and is selected by choosing a forwarding type. The presence of a TCP protocol with a FastL4 client profile aligns with a Layer 4 load-balancing style virtual server, not a packet-forwarding virtual server type.
Conclusion: Because the configuration is TCP-based and explicitly uses fastL4 with no HTTP profile, the expected BIG-IP virtual server type is Performance Layer 4 (Option C).
질문 # 27
The diagram below shows the TCP connection setup for an application.
Which of the following virtual server types applies? (Choose one answer)
정답：C
설명：
The diagram illustrates a specific TCP handshake sequence where the BIG-IP system acts as a transparent forwarder rather than a full proxy. The key indicators that identify this as a Forwarding (IP) virtual server are as follows:
Initial Packet Processing: The diagram explicitly states that the LTM evaluates the packet looking only at the destination IP address. This is the fundamental characteristic of a Forwarding IP virtual server, which uses the system's routing table to make forwarding decisions instead of load balancing to a pool of members.
Handshake Sequence: Unlike a Standard virtual server, which completes the three-way handshake with the client (SYN, SYN-ACK, ACK) before initiating a separate connection to the server, the Forwarding IP virtual server passes the client's original SYN packet directly to the destination node.
Response Timing: The BIG-IP system waits for the SYN-ACK from the destination node before it sends a SYN-ACK back to the client. It essentially "passes through" the handshake signals while still maintaining a state entry in the connection table to track the flow.
Packet-by-Packet Logic: While it tracks the state, it does not perform address translation (unless SNAT is specifically configured) or deep packet inspection like a full proxy would.
Why other options are incorrect:
Standard virtual server: A Standard virtual server is a "full proxy." It would finish the handshake with the client first and only then open a second, independent TCP connection to the backend server.
Stateless virtual server: A stateless virtual server does not track connections in the connection table. The diagram shows the system meticulously passing sequence numbers ($seq\_num$) and acknowledgment numbers ($ack\_num$) between the two sides, which requires stateful tracking of the TCP flow.
질문 # 28
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F5CAB2시험대비 최신버전 문제: https://www.itcertkr.com/F5CAB2_exam.html
Itcertkr F5CAB2 최신 PDF 버전 시험 문제집을 무료로 Google Drive에서 다운로드하세요: https://drive.google.com/open?id=1WfCXX8AnK5vdPtMsG9Tr4HlX0uHbz42u