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[General] F5CAB2 Test Pattern & F5CAB2 Practice Questions

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【General】 F5CAB2 Test Pattern & F5CAB2 Practice Questions

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The F5CAB2 PDF questions file is the third format of BIG-IP Administration Data Plane Concepts (F5CAB2) (F5CAB2) exam practice questions. This format contains the real, valid, and updated F5 F5CAB2 exam questions. You can download Prep4sureExam exam questions PDF on your desktop computer, laptop, tabs, or even on your smartphones. The F5CAB2 Questions Pdf file is very easy to use and compatible with all smart devices. Download the Prep4sureExam exam questions after paying affordable price and start preparation without wasting further time.
F5 F5CAB2 Exam Syllabus Topics:
TopicDetails
Topic 1
  • Define ADC application objects: This domain covers ADC basics including application objects, load balancing methods, server selection, and key ADC features and benefits.
Topic 2
  • Identify the different virtual server types: This domain covers BIG-IP virtual server types: Standard, Forwarding, Stateless, Reject, Performance Layer 4, and Performance HTTP.
Topic 3
  • Explain high availability (HA) concepts: This domain addresses HA concepts including integrity methods, implementation approaches, and advantages of high availability configurations.
Topic 4
  • Explain the relationship between interfaces, trunks, VLANs, self-IPs, routes and their status
  • statistics: This domain covers BIG-IP networking components including interfaces, trunks, VLANs, self-IPs, and routes, their dependencies and status, plus predicting traffic paths and egress IPs.
Topic 5
  • Determine expected traffic behavior based on configuration: This domain focuses on predicting traffic behavior based on persistence, processing order, object status, egress IPs, and connection
  • rate limits.

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F5 BIG-IP Administration Data Plane Concepts (F5CAB2) Sample Questions (Q39-Q44):NEW QUESTION # 39
What type of virtual server has a destination of 0.0.0.0 and listens on a specific VLAN? (Choose one answer)
  • A. Forwarding (IP)
  • B. Wildcard
  • C. Standard
  • D. Forwarding (Layer 2)
Answer: B
Explanation:
In the F5 BIG-IP system, virtual servers are categorized based on their destination address and mask. The system distinguishes between three primary destination scopes:
* Host Virtual Server: A virtual server that has a specific IP address (e.g., 10.10.10.50) and a /32 mask.
* Network Virtual Server: A virtual server that has a destination address representing a subnet (e.g.,
192.168.10.0) and a specific mask (e.g., /24).
* Wildcard Virtual Server: A virtual server that has a destination address of 0.0.0.0 (or :: for IPv6) and a mask of 0.0.0.0 (or /0).
While a "Forwarding (IP)" virtual server (Option D) is the Type (behavioral configuration) often used to route traffic without load balancing, the term Wildcard (Option C) is the specific administrative term used to define the "type" of virtual server based on the 0.0.0.0 destination address.
A common architectural use case is to create a Wildcard Virtual Server that listens only on an internal VLAN to act as a default gateway for outbound traffic (Internet access) for back-end servers. This ensures the BIG-IP system can process and forward traffic that does not match any other specific virtual server configuration.

NEW QUESTION # 40
What should a BIG-IP Administrator configure to minimize impact during a failover? (Choose one answer)
  • A. OneConnect profile
  • B. MAC masquerading
  • C. Clone pool
  • D. External monitors
Answer: B
Explanation:
Comprehensive and Detailed Explanation From BIG-IP Administration Data Plane Concepts documents:
In BIG-IP high availability (HA) deployments, one of the primary causes of traffic disruption during failover is Layer 2 and Layer 3 relearning by upstream network devices (switches and routers). When traffic groups move from the Active device to the Standby device, the network must quickly associate the IP addresses with the new device.
Why MAC Masquerading Minimizes Failover Impact:
MAC masquerading allows a traffic group to use a floating, shared MAC address for its Self IPs. This MAC address moves with the traffic group during failover.
Key benefits:
The MAC address does not change when failover occurs
Upstream switches do not need to relearn ARP entries
Traffic resumes almost immediately after failover
Dramatically reduces packet loss and connection interruption
From BIG-IP Administration Data Plane Concepts:
MAC masquerade is specifically designed to provide fast failover
It is a best practice for HA pairs, especially in environments sensitive to latency and connection loss Why the Other Options Are Incorrect:
A . External monitors
Used to check the availability of external resources
Do not reduce network convergence or failover disruption
B . Clone pool
Used for traffic mirroring or security analysis
Has no impact on failover behavior
C . OneConnect profile
Optimizes server-side TCP connections
Does not address ARP or MAC relearning during failover
Key HA Concept Reinforced:
To minimize failover impact on live traffic, BIG-IP administrators should ensure Layer 2 continuity. MAC masquerading is the primary mechanism that enables near-instant failover by preventing ARP and MAC table reconvergence delays.

NEW QUESTION # 41
A BIG-IP Administrator is informed that traffic on interface 1.1 is expected to increase beyond the maximum bandwidth capacity of the link. There is a single VLAN on the interface.
What should the BIG-IP Administrator do to increase the total available bandwidth? (Choose one answer)
  • A. Create a trunk object with two interfaces
  • B. Assign two interfaces to the VLAN
  • C. Increase the MTU on the VLAN using interface 1.1
  • D. Set the media speed of interface 1.1 manually
Answer: A
Explanation:
On BIG-IP systems, physical interface bandwidth is fixed by the link speed (for example, 1GbE or 10GbE).
When traffic demand exceeds the capacity of a single interface, BIG-IP provides link aggregation through trunks.
Key concepts involved:
* InterfacesA single physical interface (such as 1.1) is limited to its negotiated link speed. You cannot exceed this capacity through software tuning alone.
* Trunks (Link Aggregation)A trunk combines multiple physical interfaces into a single logical interface.
* BIG-IP supports LACP and static trunks.
* Traffic is distributed across member interfaces, increasing aggregate bandwidth and providing redundancy.
* VLANs are then assigned to the trunk, not directly to individual interfaces.
Why option B is correct:
* Creating a trunk with two interfaces allows BIG-IP to use both physical links simultaneously.
* This increases total available bandwidth (for example, two 10Gb interfaces # up to 20Gb aggregate capacity).
* This is the documented and supported method for scaling bandwidth on BIG-IP.
Why the other options are incorrect:
* A. Increase the MTUMTU changes affect packet size and efficiency, not total bandwidth capacity.
* C. Assign two interfaces to the VLANBIG-IP does not support assigning a VLAN to multiple interfaces directly. VLANs must be associated with one interface or one trunk.
* D. Set the media speed manuallyMedia speed can only be set up to the physical capability of the interface and connected switch port. It cannot exceed the hardware limit.
Conclusion:
To increase total available bandwidth on BIG-IP when a single interface is insufficient, the administrator must create a trunk object with multiple interfaces and move the VLAN onto the trunk. This aligns directly with BIG-IP data plane design and best practices.

NEW QUESTION # 42
Which statement is true concerning iRule events?
  • A. All iRule events relate to HTTP processes.
  • B. If an iRule references an event that doesn't occur during the client's communication, the client's connection will be terminated prematurely.
  • C. All iRule events are appropriate at any point in the clientserver communication.
  • D. All client traffic has data that could be used to trigger iRule events.
Answer: D

NEW QUESTION # 43
Which two statements describe differences between the active and standby systems? (Choose two.)
  • A. Virtual server addresses are hosted only by the active system.
  • B. Configuration changes can only be made on the active system.
  • C. Floating selfIP addresses are hosted only by the active system.
  • D. Failover triggers only cause changes on the active system.
  • E. Monitors are performed only by the active system.
Answer: A,C

NEW QUESTION # 44
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