301B: BIG-IP LTM Specialist: Maintain and Troubles… Practice Exam

About the Exam

This Technology Specialist exam validates the ability to design, implement, maintain, optimize, and troubleshoot advanced F5 BIG-IP LTM features. It is the second exam required for the F5 Certified! Technology Specialist, BIG-IP LTM certification and is aimed at professionals working with application delivery networks. Passing demonstrates understanding of BIG-IP LTM principles and the ability to integrate the platform into existing and new network environments.

Exam Topics

Troubleshoot Basic Virtual Server Connectivity Issues0–35%
Identify and Resolve Application Issues35–50%
Identify and Resolve LTM Device Issues15–35%

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Last updated June 24, 2026 at 8:20 PM

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QuestionQ1

Troubleshoot Basic Virtual Server Connectivity Issues

A client (10.10.1.30) connecting to an HTTPS virtual server (10.10.1.100) that has a clientssl profile is receiving an SSL error.

Which option will trace this issue?

Explanation

A packet capture of TCP port 443 involving client 10.10.1.30, saved as a pcap file with tcpdump -w, can be analyzed by ssldump to decode the TLS handshake and identify SSL errors. The capture filter includes the affected client and HTTPS port, and the resulting file is in the format ssldump -r expects.

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QuestionQ2

Identify and Resolve Application Issues

Which three HTTP headers enable an application server to identify the client's language compatibility, browser, operating-system type, and compression compatibility?

Choose three

Explanation

Accept-Language expresses the natural languages preferred by the client, Accept-Encoding identifies acceptable response content codings such as compression formats, and User-Agent identifies the client software and can include browser and operating-system details. Accept concerns acceptable media types, and Host identifies the request’s target host.

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RFC 9110: HTTP Semantics

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QuestionQ3

Identify and Resolve Application Issues

Refer to the exhibit.

Question Image

An LTM Specialist is working with an LTM 11.0.0 installation and has identified a security vulnerability, as shown in the exhibit. The LTM Specialist is assigned to apply the latest available hotfix to resolve the issue.

Which procedure resolves the issue?

Explanation

F5 BIG-IP hotfix files are imported and installed from System > Software Management > Hotfix List. Version 11.1.0.HF3 is the latest hotfix shown for the vulnerability, whereas TMOS 11.2.0 is a full software image that would be handled through Image List. The hotfix is installed to a compatible 11.1.0 software volume.

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BIG-IP Systems: Upgrading 11.x Software

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QuestionQ4

Identify and Resolve LTM Device Issues

An LTM device is running BIG-IP v10.2.0 software. The LTM Specialist must upgrade the LTM device to BIG-IP v11.2.0 HF1. The LTM Specialist begins the upgrade by selecting the uploaded Hotfix and installing it to an unused volume. After 10 minutes, the LTM Specialist checks the upgrade status and sees that the process is stalled at 0%.

What should the LTM Specialist verify?

Explanation

A BIG-IP hotfix can be applied only after its associated base software image is installed. BIG-IP v11.2.0 must therefore exist on the target volume before BIG-IP v11.2.0 HF1 can be installed.

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Upgrading Version 11.x or 12.x BIG-IP Software

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QuestionQ5

Identify and Resolve LTM Device Issues

Refer to the exhibit.

Question Image

An LTM Specialist has configured a virtual server to load balance to a pool of FTP servers. File transfers are failing. The virtual server is configured as follows:

ltm virtual ftp_vs \{  
    destination 10.10.1.103:ftp  
    ip-protocol tcp  
    mask 255.255.255.255  
    pool ftp_pool  
    profiles \{  
        tcp \{ \}  
    \}  
    vlans-disabled  
\}

Which change will resolve the problem?

Explanation

FTP uses a persistent control connection and a separate data connection. An FTP profile enables BIG-IP to process FTP control commands and manage the related active- or passive-mode data channel; a TCP-only virtual server does not provide that FTP-aware handling. F5 documents that the FTP profile supports both active and passive FTP data connections and is assigned to the virtual server.

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QuestionQ6

Identify and Resolve LTM Device Issues

An LTM Specialist configures a receive string in an HTTP monitor and assigns it to an HTTP pool. The monitor interval is 5 seconds, and its timeout is 16 seconds.

If the receive string is not found in the HTTP payload after 20 seconds, how does the LTM device mark the monitor status?

Explanation

An LTM HTTP monitor requires the target to provide the expected response within its configured timeout. With a 16-second timeout, absence of the configured receive string after 20 seconds is a failed health check, so the monitored resource is marked unavailable. offline and forced offline are administrative conditions, while unknown applies when a monitor result has not yet established availability.

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QuestionQ7

Troubleshoot Basic Virtual Server Connectivity Issues

QuestionQ8

Identify and Resolve LTM Device Issues

QuestionQ9

Identify and Resolve LTM Device Issues

QuestionQ10

Identify and Resolve LTM Device Issues

QuestionQ11

Identify and Resolve LTM Device Issues

QuestionQ12

Identify and Resolve LTM Device Issues

QuestionQ13

Identify and Resolve LTM Device Issues

QuestionQ14

Identify and Resolve LTM Device Issues

QuestionQ15

Identify and Resolve LTM Device Issues

QuestionQ16

Identify and Resolve LTM Device Issues

QuestionQ17

Identify and Resolve LTM Device Issues

QuestionQ18

Identify and Resolve LTM Device Issues

QuestionQ19

Identify and Resolve Application Issues

QuestionQ20

Identify and Resolve LTM Device Issues

QuestionQ21

Identify and Resolve LTM Device Issues

QuestionQ22

Identify and Resolve LTM Device Issues

QuestionQ23

Troubleshoot Basic Virtual Server Connectivity Issues

QuestionQ24

Identify and Resolve LTM Device Issues

QuestionQ25

Identify and Resolve LTM Device Issues

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09:35:11.073623 IP 192.168.136.1.55684 > 192.168.136.100.80: S 869998901:869998901(0) win 8192 <mss 1460,nop,wscale 2,nop,nop,sackOK> 09:35:11.073931 IP 192.168.136.100.80 > 192.168.136.1.55684: S 2273668949:2273668949(0) ack 869998902 win 4380 <mss 1460,nop,wscale 0,sackOK,eol> 09:35:11.074928 IP 192.168.136.1.55684 > 192.168.136.100.80: . ack 1 win 16425 09:35:11.080936 IP 192.168.136.1.55684 > 192.168.136.100.80: P 1:299(298) ack 1 win 16425 09:35:11.081029 IP 192.168.136.100.80 > 192.168.136.1.55684: . ack 299 win 4678

09:35:11.081022 IP 192.168.136.1.55684 > 192.168.116.128.80: S 685865802:685865802(0) win 4380 <mss 1460,nop,wscale 0,sackOK,eol> 09:35:11.081928 IP 192.168.116.128.80 > 192.168.136.1.55684: S 4193259095:4193259095(0) ack 685865803 win 5840 <mss 1460,nop,nop,sackOK,nop,wscale 6> 09:35:11.081943 IP 192.168.136.1.55684 > 192.168.116.128.80: . ack 1 win 4380 09:35:11.081955 IP 192.168.136.1.55684 > 192.168.116.128.80: P 1:299(298) ack 1 win 4380 09:35:11.083765 IP 192.168.116.128.80 > 192.168.136.1.55684: . ack 299 win 108

09:36:11.244040 IP 192.168.116.1.55769 > 192.168.136.100.80: S 3320618938:3320618938(0) win 8192 <mss 1460,nop,wscale 2,nop,nop,sackOK> 09:36:11.244152 IP 192.168.136.100.80 > 192.168.116.1.55769: S 3878120666:3878120666(0) ack 3320618939 win 4380 <mss 1460,nop,wscale 0,sackOK,eol> 09:36:11.244839 IP 192.168.116.1.55769 > 192.168.136.100.80: . ack 1 win 16425 09:36:11.245830 IP 192.168.116.1.55769 > 192.168.136.100.80: P 1:299(298) ack 1 win 16425 09:36:11.245922 IP 192.168.136.100.80 > 192.168.116.1.55769: . ack 299 win 4678

301B: BIG-IP LTM Specialist: Maintain and Troubleshoot

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