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[General] F5CAB3真題材料 - F5CAB3考試大綱

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【General】 F5CAB3真題材料 - F5CAB3考試大綱

Posted at 6 hour before      View：17 | Replies：0        Print      Only Author   [Copy Link] 1#
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NewDumps 的 F5CAB3 題庫是隨著 F5 認證廠商對其做出的變化而變化的，確保了題庫的覆蓋率在96％以上，保證考生能順利通過 F5 F5CAB3 考試，獲取認證證書。我們的 F5 F5CAB3 模拟测试题具有最高的专业技术含量，供具有相关专业知识的专家和学者学习和研究之用。你還可以登陸我們題庫網站下載更多想要的認證考試題庫資料。
在當今這個社會，人才到處都是。在IT領域更是這樣。隨著電腦的普及，已經幾乎沒有不會使用電腦的人了。同樣在IT行業工作的你難道沒有感覺到壓力嗎？不管你的學歷有多高都不能代表你的實力。學歷只是一個敲門磚，真正能保住你地位的是你的實力。作為IT職員，你是怎麼培養自己的實力的呢？參加IT認證考試是一個不錯的選擇。既可以掌握更多的技能，又可以取得可以證明自己能力的認證資格。最近F5的F5CAB3認證考試很受歡迎，想參加嗎？
正確的F5CAB3真題材料＆Pass-Sure F5認證培訓 - 已驗證的F5 BIG-IP Administration Data Plane ConfigurationNewDumps的F5CAB3考古題有著讓你難以置信的命中率。這個考古題包含實際考試中可能出現的一切問題。因此，只要你好好學習這個考古題，通過F5CAB3考試就會非常容易。作為F5的一項重要的考試，F5CAB3考試的認證資格可以給你帶來很大的好處。所以你絕對不能因為失去這次可以成功通過考試的機會。NewDumps承諾如果考試失敗就全額退款。為了你能順利通過F5CAB3考試，趕緊去NewDumps的網站瞭解更多的資訊吧。
最新的 F5-CA F5CAB3 免費考試真題 (Q70-Q75):問題 #70
A Standard Virtual Server for a web application is configured with Automap for Source Address Translation.
The original client IP must be known by backend servers.
What should the BIG-IP Administrator configure?
  • A. HTTP Transparent profile
  • B. HTTP profile to insert X-Forwarded-For
  • C. Performance (HTTP) Virtual Server
  • D. SNAT pool using client IP
答案：B
解題說明：
The X-Forwarded-For header preserves the original client IP when SNAT is enabled.

問題 #71
For a given Virtual Server, the BIG-IP must perform SSL Offload and negotiate secure communication over TLSv1.2 only. What should the BIG-IP Administrator do to meet this requirement?
  • A. Configure a custom SSL Profile (Server) and select no TLSv1 in the options list
  • B. Configure a custom SSL Profile (Client) with a custom TLSv1.2 cipher string
  • C. Configure a custom SSL Profile (Client) and select no TLSv1 in the options list
  • D. Configure a custom SSL Profile (Server) with a custom TLSv1.2 cipher string
答案：B
解題說明：
To fulfill the requirement of "SSL Offload" limited to "TLSv1.2 only," the administrator must focus on the client-side of the connection. SSL Offload means the BIG-IP terminates the encrypted connection from the user, processes the traffic (often as plain text internally), and optionally sends it to the backend. The profile responsible for this termination and the initial negotiation with the client's browser is the Client SSL Profile.
A custom Client SSL Profile must be created because the default clientssl profile typically allows a broad range of protocols for compatibility (including TLS 1.0, 1.1, and 1.2). To restrict communication specifically to TLS 1.2, the administrator modifies the Ciphers string within the profile. Using a string such as DEFAULT:!SSLv3:!TLSv1:!TLSv1.1 or specifically defining TLSv1.2-only suites ensures that the BIG-IP will reject any handshake attempts from older, less secure protocols.
Server SSL Profiles (Options B and C) are used for the encryption between the BIG-IP and the backend nodes, which is not what is requested here. Simply selecting "no TLSv1" in an options list (Option D) is insufficient and often refers to older versions of the software; the modern and standard way to control protocol negotiation on a BIG-IP is through the precise application of Cipher Strings within the Client SSL profile. This ensures compliance with security standards like PCI-DSS while providing the offloading benefits to the backend infrastructure.

問題 #72
A set of servers is used for an FTP application as well as an HTTP website via separate BIG-IP Pools. The server support team reports that some servers are receiving a lot more traffic than others. Which Load Balancing Method should the BIG-IP Administrator apply to even out the connection count?
  • A. Least Connections (Node)
  • B. Least Connections (Member)
  • C. Ratio (Node)
  • D. Ratio (Member)
答案：A
解題說明：
Similar to the logic required for managing multi-service backend environments, the issue described-where servers hosting multiple protocols like FTP and HTTP are experiencing uneven distribution-stems from the BIG-IP's default behavior of treating each pool independently. If the administrator uses a member-based load balancing method, the BIG-IP distributes HTTP traffic regardless of how much FTP traffic that same physical server is currently processing.
To resolve this, the administrator must utilize the Least Connections (Node) method. By switching both the HTTP and FTP pools to this algorithm, the BIG-IP begins to make load balancing decisions based on the total combined connection count for the IP address of each server. When a new HTTP request arrives, the BIG-IP checks which server has the fewest total connections (including existing FTP sessions). This prevents a server that is already busy with long-lived FTP transfers from being overwhelmed by a sudden burst of HTTP requests.
Ratio methods (Options A and C) are static and rely on the administrator manually assigning weights to servers based on their perceived capacity; they do not adapt to real-time fluctuations in traffic volume across different pools. Least Connections (Member) (Option B) remains blind to the "cross-pool" traffic on the same hardware. Only the Node-based Least Connections approach provides the global visibility necessary to "even out" the total resource utilization across servers supporting multiple distinct applications.

問題 #73
A BIG-IP Administrator configures a node with a standard icmp Health Monitor. The Node shows as DOWN although the Backend Server is configured to answer ICMP requests. Which step should the administrator take next to find the root cause of this issue?
  • A. Run an ssldump
  • B. Run a tcpdump
  • C. Run a qkview
  • D. Run a curl
答案：B
解題說明：
In the F5 BIG-IP ecosystem, a standard ICMP health monitor functions by sending an ICMP echo request to a target node and expecting an ICMP echo reply within a specified timeout period. When a node is marked
"DOWN" despite the backend server being configured to respond to ICMP, the issue typically lies in the network path or the specific packet exchange between the BIG-IP's self IP and the node's IP. Running a tcpdump is the most effective next step because it provides a real-time packet capture of the actual monitor traffic leaving the BIG-IP and any return traffic coming back from the server. This allows the administrator to verify if the BIG-IP is actually sending the echo request, if the request is reaching the server, and if the server is indeed replying or if the reply is being dropped by an intermediate firewall or a security policy.
While other tools have their place, they are inappropriate for this specific layer 3/4 connectivity issue. A qkview is a comprehensive diagnostic file used primarily for F5 Support to analyze the entire system's state but is overkill for initial connectivity troubleshooting. An ssldump is used for inspecting SSL/TLS handshakes and encrypted payloads, which is irrelevant for a non-encrypted ICMP monitor. A curl command is a tool for testing HTTP/HTTPS application-level responses; it cannot be used to troubleshoot ICMP (ping) connectivity directly. By using tcpdump -ni <vlan_name> host <node_ip>, the administrator can see the ICMP "type 8" (request) and "type 0" (reply) packets, immediately identifying if the monitor failure is due to a "Destination Unreachable" message or a simple lack of response, thereby pinpointing the root cause in the data plane.

問題 #74
A BIG-IP Administrator finds the following log entry after a report of user issues connecting to a virtual server:
01010201: Intercept exhaustion on 10.70.110.112 to 192.28.123.250:80 (proto 6) How should the BIG-IP Administrator modify the SNAT pool that is associated with the virtual server? (Choose one answer)
  • A. Add an IP address to the SNAT pool
  • B. Increase the timeout of the SNAT addresses
  • C. Remove the SNAT pool and apply SNAT Automap
  • D. Remove an IP address from the SNAT pool
答案：A
解題說明：
The log message "Intercept exhaustion" indicates that the BIG-IP system has exhausted the available source port translations for one or more SNAT addresses. This occurs when too many concurrent client connections are being translated through a limited number of SNAT IP addresses, and all ephemeral source ports (typically ~64,000 per SNAT IP) are in use.
According to the BIG-IP Administration: Data Plane Configuration documentation:
Each SNAT IP address provides a finite number of available source ports.
When the number of concurrent connections exceeds the available port space, the BIG-IP logs an Intercept exhaustion error and new connections fail.
The recommended resolution is to increase the available SNAT resources by adding additional IP addresses to the SNAT pool.
Why the other options are incorrect:
A . Increase the timeout of the SNAT addresses
Increasing timeouts may actually worsen the problem by keeping ports allocated longer, accelerating port exhaustion.
B . Remove the SNAT pool and apply SNAT Automap
SNAT Automap uses the Self IP addresses on the egress VLAN, which may not provide additional capacity and can introduce routing or design issues. This is not a direct or recommended fix for SNAT exhaustion.
C . Remove an IP address from the SNAT pool
This would reduce the number of available source ports and further exacerbate the intercept exhaustion condition.
Correct Resolution:
By adding an IP address to the SNAT pool, the BIG-IP increases the total number of available source ports, alleviating intercept exhaustion and restoring successful client connections.

問題 #75
......
在這個資訊時代，IT行業被很多人關注，但是在如今人才濟濟的社會裏任然比較缺乏IT人。很多公司都招聘IT人才，他們一般考察IT人才的能力會參考他們擁有的IT相關認證證書，所以擁有一些IT相關的認證證書是受很多公司歡迎的。但是這些認證證書也不是很容易就能拿到的。F5 F5CAB3 就是一個相當有難度的認證考試，雖然很多人報名參加F5 F5CAB3考試，但是通過率並不是很高。
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故先驗辯證論以能顯露超驗的判斷之幻相即已足，而同時又注意不為其所欺，張嵐說完起身，向著門口走去，而NewDumps是一個能幫助你成功通過F5 F5CAB3 的網站，我們網站的F5CAB3學習資料是面向廣大群眾的，是最受歡迎且易使用和易理解的題庫資料。
熱門的F5CAB3真題材料，F5 F5-CA認證F5CAB3考試題庫提供免費下載我們產品最大的特點就是具有很大的針對性，只需要20個小時你就能完成培訓課程，而且能輕鬆通過你的第一次參加的F5 F5CAB3 認證考試，考試內容：主要為F5 BIG-IP Administration Data Plane Configuration，NewDumps F5CAB3 權威考試考古題軟體是 F5-CA 證照廠商的授權產品，NewDumps考題大師的F5CAB3試題都是考試原題的完美組合，覆蓋率95％以上，答案由多位專業資深講師原版破解得出，正確率100％，我們的專家證照小組致力於國際上最新的各種IT證照F5CAB3，根據最新考試中心截屏所得原始考古題，IT培訓中心和考試中心資深老師和IT業技術專家精心整理製作完成各種IT證照考古題，保證你購買我們的考題大師後一次通過證照考試，我們密切注視各種考試，及時提供最新的試題升級，讓你購買我們的考題大師後，輕鬆通過考試，實現心中理想。
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