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Free F5 BIG-IP ASM Specialist (303) Practice Questions & Answers 2026 Part1

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Question #1
An LTM Specialist defines a receive string in the HTTP monitor and then assigns it to the HTTP pool. The monitor has an interval of 5 seconds and a timeout of 16 seconds.If the receive string is NOT seen in the the HTTP payload after 20 seconds, how does the LTM device mark the monitor status?
A. navailable
B. nknown
C. orced offline
D. vailable
E. ffline
View answer
Correct Answer: E
Question #2
The 8IG-IP Administrator generates a qkview using "qkview -SO" and needs to transfer the output file via SCP.Which directory contains the output file?
A. var/tmp
B. var/local
C. var/log
D. var/config
View answer
Correct Answer: A
Question #3
A 8IG-IP Administrator is making adjustments to an iRule and needs to identify which of the 235 virtual server configured on the BIG-IP device will be affected.How should the administrator obtain this information in an effective way?
A. ocal Traffic > Virtual Server
B. ocal traffio Pools
C. ocal traffic > Rules
D. OCAL Traffic > Network Map
View answer
Correct Answer: D
Question #4
An ITM Specialist has the configuration shown:The LTM Specialist needs to create a new virtual server in part B.Which virtual address(es) should be used for the new virtual server?
A. 0
B. 0
C. 0
D. 0
View answer
Correct Answer: A
Question #5
An LTM Specialist upgrades the switchinginfrastructure and the backend servers on the LAN segments.The LTM Specialist notices a 20% memory usage increase on the BIG-IP device while handling the same number of concurrent connections.A comparison of statistics pre-upgrade and post-upgrade showsa significant reduction on the following:-RTT between the BIG-IP device and the backend servers-Packet drops in the switchTime to First Byte (TTFB)The LTM Specialist is concerned with the scalability of the number of concurrent connections with the newmemory usage.Which setting should be changed to reduce the memory usage on the BIG-IP device?
A. educe the idle of the client-side TCP profile
B. ncrease the proxy buffer high setting on the server-side TCP profile
C. ncrease the receive window of the client-side TCP profile
D. educe the proxy buffer high setting on the server-side TCP profile
View answer
Correct Answer: D
Question #6
A new HITP server has been deployed on an LTM device. The application running on the server mustbe monitored by the LIM device. The following is required:A new HITP server has been deployed on an LTM device. The application running on the server mustbe monitored by the LIM device. The following is required:When the server is unavailable, it will send an HTTP status code of 200 in response to a request forthe status html page.When the server is available. I will send and HTTP status code of 201 in response to a request for thestatus html page.When the 200 status code is received, the pool member should receive No new connections.Which configuration change should be made to meet these requirements?
A. et the Send String to GET/ status html and the Receive String to 200 and Receive Disable String to 201
B. et the Send String to GET Arian and the Receive String to 200 and Receive Disable String to 201
C. et the Send String to GET Arian and the Receive Disable String to 200 and Receive String to 201
D. et the Send String to Get /status html and the Receive Disable String to 200 and Receive String to 201
View answer
Correct Answer: D
Question #7
Exhibit.Webserver_pool consists of 6 members. phpAuction_80_pool consists of 2 members LTM1 is thecurrent Active member.LTM1 loses connectivity to 3 of the 6 members in the webserver_pool LTM2 still has connectivity toallservers.What is the expected failover behavior?
A. TM1 Standby / LTM2 Standby
B. TM1 Active /LTM2 Active
C. TM1 Active / LTM2 Standby
D. TM1 Standby / LTM2 Active
View answer
Correct Answer: C
Question #8
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.
B.
C.
D.
View answer
Correct Answer: D
Question #9
Given:Filesystem Size Used Avail Use% Mounted on/dev/md11 248M 248M 0 100% //dev/md13 3.0G 76M 2.8G 3% /config/dev/md12 1.7G 1.1G 476M 71% /usr/dev/md14 3.0G 214M 2.6G 8% /var/dev/md0 30G 2.2G 26G 8% /shared/dev/md1 6.9G 288M 6.3G 5% /var/lognone 3.9G 452K 3.9G 1% /dev/shmnone 3.9G 19M 3.9G 1% /var/tmstatnone 3.9G 1.2M 3.9G 1% /var/runprompt 4.0M 12K 4.0M 1% /var/prompt/dev/md15 12G 8.3G 3.1G 74% /var/lib/mysqlWhich command is used to produce this output?
A. f
B. u
C. sof
D. s
E. mstat
View answer
Correct Answer: A
Question #10
-- Exhibit --- Exhibit --Refer to the exhibit.A user is unable to access an HTTP application via a virtual server.What is the cause of the failure?
A. he Connection: Keep-Alive header is set
B. here is no pool member available to service the request
C. he host header requires a host name
D. he virtual server is in the disabled state
View answer
Correct Answer: B
Question #11
A VCMP guest has the following characteristics:• Resources allocated for CPU memory, network interfaces, and disk space• Virtual disk created• The guest is NOT runningThe guest is NOT running in which state is the VCMP guest
A. ffline
B. eployed
C. rovisioned
D. onfigured
View answer
Correct Answer: C
Question #12
-- Exhibit --- Exhibit --Refer to the exhibit.An LTM Specialist is troubleshooting an HTTP monitor that is marking a pool member as down. Connecting to the pool member directly through a browser shows the application is up and functioning correctly.How should the send string be modified to correct this issue?
A. ET /\r\nHost: \r\n\r\n
B. ET /\r\n\r\n
C. ET / HTTP/1
D. ET /\r\nHTTP/1
View answer
Correct Answer: C
Question #13
A OneConnect profile is applied to a virtual server. The LTM Specialist would like the client source IP addresses within the 10.10.10.0/25 range to reuse an existing server side connection.Which OneConnect profile source mask should the LTM Specialist use?
A. 55
B. 55
C. 55
D. 55
E.
View answer
Correct Answer: D
Question #14
set payload {CACHE :: payload}}Which two profiles should be used on the virtual server? (Choose two.)
A. ttp-transparent
B. ttp compression
C. ttp
D. ebacceleration
E. tream
View answer
Correct Answer: CD
Question #15
An LTM Specialist needs to provide access to a 8BG-IP to device for a company's support personaccess to the BIG IP device, but are NOT allowed to change any settings All support the supportremote access to the BIG-IP device, but are NOT allowed to change ant settings. All support haveaccounts in the company's Active DirectoryWhich method is appropriate to provide access for the support personnel to the BIG-JP device?
A. onfigure remote authentication for all users with a default user role of Guest
B. onfigure remote authentication and map support personnel users to the Guest user role
C. onfigure remote authentication and map support personnel users to the Operator user role
D. onfigure remote authentication for all users with a default user role of Operator
View answer
Correct Answer: B
Question #16
A design requires the LTM device to become HA standby when the one of the two physical interfaceon the External trunk is down the External trunk is an interface on the External VLANWhich TMOS command enables this behavior?
A. msh modify net van External failsafe enabled
B. msh create sys ha-group External trunks add Externally
C. msh create sys ha-group External trunks add External threshold 2 weight 101)
D. msh create sys ha-group External trunks add ( External( attribute percent up-members 100))
View answer
Correct Answer: C
Question #17
An LTM device needs an additional traffic group.Which configuration item is required?
A. efault device
B. roup name
C. AC Masquerade Address
D. uto Fallback Timeout
View answer
Correct Answer: B
Question #18
Traffic to a pool of SFTP servers that share storage must be balanced by an LTM device.What are the required profile and persistence settings for a standard virtual server?
A. cp, ctientsst, ftp serverssl persistence
B. cp, clientssl, serverssl persistence
C. cp, ftp - Source address persistence
D. cp - no persistence profile will be used
View answer
Correct Answer: C
Question #19
An LTM Specialist is working with an LTM device configured with 10 virtual servers on the same domain with a different key/cert pair per virtual. For examplE. www.example.com; ftp.example.com; ssh.example.com; ftps.example.com.What should the LTM Specialist do to reduce the number of objects on the LTM device?
A. reate a 0
B. reate a 0 port virtual server and have it answer for all protocols
C. reate a wildcard certificate and use it on all *
D. reate a transparent virtual server thus eliminating all virtual servers
View answer
Correct Answer: C
Question #20
A company uses a complex piece of client software that connects to one or more virtual servers (VS) hosted on an LTM device. The client software is experiencing issues. An LTM Specialist must determine the cause of the problem. The LTM Specialist has the tcpdump extract. The client loses connection with the LTM device.Where is the reset originating?
A. he application server
B. he local switch
C. he device initiating the connection
D. he destination device of the initial connection
View answer
Correct Answer: C

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