303 Exam Details

  • Exam Code
    :303
  • Exam Name
    :BIG-IP ASM Specialist
  • Certification
    :F5 Certifications
  • Vendor
    :F5
  • Total Questions
    :524 Q&As
  • Last Updated
    :May 24, 2026

F5 303 Online Questions & Answers

  • Question 181:

    A BIG-IP Administrator must determine if a Virtual Address is configured to fail over to the standby member of a device group in which area of the Configuration Utility can this be confirmed?

    A. Device Management > Traffic Groups
    B. Device Management > Devices
    C. Local Traffic > Virtual Servers
    D. Device Management > Overview

  • Question 182:

    What is the effect of an iRule error such as referencing an undefined variable?

    A. The iRule execution will continue with the next statement.
    B. The execution of the current event within the iRule will be terminated.
    C. The iRule execution will be terminated, and both the client and server side connections will be reset.
    D. The connection will continue, but the iRule will NOT be executed again for the lifetime of the connection.

  • Question 183:

    RADIUS authentication has been configured on the LTM device. The default remote user access requirements are as shown:

    1.Read only access tothe configuration Utility

    2.Access to TMOS shell

    Which two items need to be configured in this situation? (Choose two)

    A. Console access is Advanced Shell
    B. Console access is Read Only
    C. Default remote user role is Guest
    D. In Console access is TMSH
    E. Default remote user role is Manager
    F. Default remote user role is Operator

  • Question 184:

    A BIG-IP Administrator suspects that one of the BIG-IP device power supplies is experiencing power outages. Which log file should the BIG-IP Administrator check to verify the suspicion?

    A. /war /log/daemon.log
    B. /var/log/kern.log
    C. /var/log/ltm
    D. /var/log/audit

  • Question 185:

    A BIG-IP Administrator plans to resolve a non-critical issue with a BIG-IP device in 2 weeks. What Severity level should be assigned to this type of F5 support ticket?

    A. 4
    B. 2
    C. 3
    D. 1

  • Question 186:

    Refer to the exhibit.

    Users report that a web application works incorrectly. Sometimes contextual data displayed on the web pages is accurate; other times it is inaccurate.

    The LTM administrator looks at the connection table with a filter on one of the client IP addresses currently connected using the command "tmsh show sys connection cs-client- addr 10.0.20.1" with the following results:

    10.0.20.1:60048 10.0.20.88:80 10.0.20.1:60048 172.16.20.1:80 tcp 3 (tmm: 0) 10.0.20.1:60050 10.0.20.88:80 10.0.20.1:60050 172.16.20.3:80 tcp 3 (tmm: 0)

    10.0.20.1:60047 10.0.20.88:80 10.0.20.1:60047 172.16.20.2:80 tcp 3 (tmm: 0)

    10.0.20.1:60049 10.0.20.88:80 10.0.20.1:60049 172.16.20.1:80 tcp 3 (tmm: 0)

    What is the solution to the problem?

    A. Synchronize the clock of the LTM device with NTP.
    B. Modify the load balancing method attached to the pool.
    C. Set up an HTTP cookie insert profile in the virtual server.
    D. Modify the setup of the monitor bound to the pool used by the application.

  • Question 187:

    An LTM Specialist needs to create two virtual servers.

    The application has links for both HTTP and HTTPS version of application. The client must be persistence to a pool member, no matter which virtual server isaccessed.

    What must be selected in the Source Address Affinity persistence profile?

    A. Match across Virtual Servers
    B. Match across Pool Members
    C. Match across Services
    D. Match across Polls

  • Question 188:

    An LTM Specialist troubleshooting an issue looks at the following /var/log/ltm entries:

    Oct 2 04:52:42 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17)

    Oct 2 05:37:16 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17)

    Oct 2 05:57:32 slot1/tmm2 crit tmm2[21729]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17)

    Oct 2 06:30:03 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17)

    Oct 2 06:37:44 slot1/tmm2 crit tmm2[21729]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17)

    Oct 2 06:47:05 slot1/tmm5 crit tmm5[21732]: 01010201:2: Inet port exhaustion on 10.143.109.5 to 10.143.147.150:53 (proto 17)

    Which configuration item should the LTM Specialist review to fix the issue?

    A. SNAT Pool
    B. Pool Member
    C. Port Lockdown
    D. Virtual Server Port Translation

  • Question 189:

    A virtual server is experiencing intermittent port exhaustion. What should be done to fix this issue?

    A. add moreSNAT addresses
    B. add more pool members
    C. enable advanced routing
    D. enable SNAT automap

  • Question 190:

    An HTTP 1.1 application utilizes chunking.

    Which header should be used to notify the client's browser that there are additional HTTP headers at the end of the message?

    A. ETag
    B. From
    C. Trailer
    D. Expect

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