FreeQAs
 Request Exam  Contact
  • Home
  • View All Exams
  • New QA's
  • Upload
PRACTICE EXAMS:
  • Oracle
  • Fortinet
  • Juniper
  • Microsoft
  • Cisco
  • Citrix
  • CompTIA
  • VMware
  • ISC
  • SAP
  • EMC
  • PMI
  • HP
  • Salesforce
  • Other
  • Oracle
    Oracle
  • Fortinet
    Fortinet
  • Juniper
    Juniper
  • Microsoft
    Microsoft
  • Cisco
    Cisco
  • Citrix
    Citrix
  • CompTIA
    CompTIA
  • VMware
    VMware
  • ISC
    ISC
  • SAP
    SAP
  • EMC
    EMC
  • PMI
    PMI
  • HP
    HP
  • Salesforce
    Salesforce
  1. Home
  2. F5 Certification
  3. F5CAB2 Exam
  4. F5.F5CAB2.v2026-07-22.q41 Dumps
  • «
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • »
Download Now

Question 1

The BIG-IP Administrator needs to ensure that if a pool member is marked down by the monitor, the BIG-IP system sends existing connections to another available pool member. Which task should the BIG-IP Administrator perform to meet this goal?

Correct Answer: D
By default, when a pool member is marked "down" by a monitor, the BIG-IP system stops sendingnew connections to that member, but it typically allows existing connections to time out naturally (or resets them depending on profile settings).
* Action on Service Down:This setting is configured at thePoollevel.
* Reselect:When set toReselect, if a pool member is marked down, the BIG-IP system will immediately attempt to pick a different available pool member for any existing, active connections associated with the failed member.
* Client Experience:This is used to maintain the user session by transparently moving the traffic to a healthy server without the client needing to re-establish the connection to the Virtual Server.
insert code

Question 2

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)

Correct Answer: B
Comprehensive and Detailed Explanation (BIG-IP Administration - Data Plane Concepts):
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:
Interfaces
A 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 MTU
MTU changes affect packet size and efficiency, not total bandwidth capacity.
C . Assign two interfaces to the VLAN
BIG-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 manually
Media 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.
insert code

Question 3

What should a BIG-IP Administrator configure to minimize impact during a failover? (Choose one answer)

Correct Answer: D
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.
insert code

Question 4

An application is configured so that the same pool member must be used for an entire session, and this behavior must persist across HTTP and FTP traffic. A user reports that a session terminates and must be restarted after the active BIG-IP device fails over to the standby device.
Which configuration settings should the BIG-IP Administrator verify to ensure proper behavior when BIG-IP failover occurs? (Choose one answer)

Correct Answer: C
This scenario combines session continuity, multiple protocols (HTTP and FTP), and HA failover behavior
, which directly implicates persistence handling across devices and services.
Key Requirements Breakdown
* Same pool member for entire session
* Session must survive failover
* Session must span multiple services (HTTP and FTP)
Why Persistence Mirroring + Match Across Services Is Required
Persistence Mirroring
* Ensures persistence records are synchronized from the active BIG-IP to the standby BIG-IP.
* Without mirroring:
* After failover, the standby device has no persistence table
* Clients are load-balanced again
* Sessions break, forcing users to restart
* Persistence mirroring is essential for session continuity during failover Match Across Services
* Allows a single persistence record to be shared across multiple virtual servers / protocols
* Required when:
* HTTP and FTP must use the same pool member
* Multiple services are part of a single application session
Together, these settings ensure:
* Persistence survives device failover
* Persistence is honored across 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 to connection 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.
insert code

Question 5

Which of the following lists the order of preference from most preferred to least preferred when BIG-IP processes and selects a virtual server? (Choose one answer)

Correct Answer: A
The BIG-IP system uses a specific precedence algorithm to determine which virtual server (listener) should process an incoming packet when multiple virtual servers might match the criteria. Since BIG-IP version 11.3.0, the system evaluates three primary factors in a fixed order of importance:
Destination Address: The system first looks for the most specific destination match. A "Host" address (mask /32) is preferred over a "Network" address (mask /24, /16, etc.), which is preferred over a "Wildcard" (0.0.0.0/0).
Source Address: If multiple virtual servers have identical destination masks, the system then evaluates the source address criteria. Again, a specific source host match is preferred over a source network or a wildcard source.
Service Port: Finally, if both destination and source specifications are equal, the system checks the port. A specific port match (e.g., 80) is preferred over a wildcard port (e.g., or 0).
Following this logic, a virtual server configured with a specific destination host, a specific source host, and a specific service port represents the highest level of specificity and thus the highest preference.
insert code
  • «
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • »
[×]

Download PDF File

Enter your email address to download F5.F5CAB2.v2026-07-22.q41 Dumps

Email:

FreeQAs

Our website provides the Largest and the most Latest vendors Certification Exam materials around the world.

Using dumps we provide to Pass the Exam, we has the Valid Dumps with passing guranteed just which you need.

  • DMCA
  • About
  • Contact Us
  • Privacy Policy
  • Terms & Conditions
©2026 FreeQAs

www.freeqas.com materials do not contain actual questions and answers from Cisco's certification exams.