303 F5 BIG-IP ASM Specialist Free Practice Exam Questions (2025 Updated)
Prepare effectively for your F5 303 BIG-IP ASM Specialist certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.
The BIG-IP Administrator needs to ensure the correct health monitor is being used lor a new HTTP pool
named P_example.
Where should the BIG-IP Administrator validate these settings in the Configuration Utility?
Given the iRule:
when HTTP_REQUEST {
if {([HTTP::username] ne "") and ([HTTP::password] ne "") } {
log local0. "client ip [IP::remote_addr] credentials provided [HTTP::username] [HTTP::password]"}
else {
pool old_application_pool
}
}
The associated virtual server has a default pool named new_application_pool.
Which functionality does the iRule provide?
Refer to the exhibit.
A user notifies the BIG-IP Administrator that http://remote company.com is NOT accessible. Remote
access to company resources must be encrypted.
What should the BIG-IP Administrator do to fix the issue?
A BIG-IP Administrator needs to have a BIG-IP linked to two upstream switches for resilience of the external network. The network engineer who is going to configure the switch instructs the BIG-IP Administrator to configure interface binding with LACP. Which configuration should the administrator use?
What should the LT'M Specialist add to the virtual server?
Which Virtual Server type prevents the use of a default pool?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
Which pool can be removed without affecting client traffic?
An ecommerce company is experiencing latency issues with online shops during Black Friday's peak season.
The BIG-IP Administrator detects an overall high CPU load on the BIG-IP device and wants to move the
top utilized Virtual Servers to a dedicated BIG-IP device.
Where should the BIG-IP Administrator determine the problematic Virtual Servers?
An LTM Specialist needs to create a pool with a set of monitor that checks both the pool members and corresponding application service ports. The pool members have services on port 80. The application service is on port 8009.
The LTM device should load balance traffic to the pool member when the pool member and corresponding application service pass monitor.
Which monitor and parameter set meets this requirement?
A BIG-IP Administrator needs to make sure that the automatic update check feature works properly.
What must the administrator configure on the BIG-IP system?
Refer to the exhibit.
The BIG-IP Administrator has modified an iRule on one device of an HA pair. The BIG-IP Administrator
notices there is NO traffic on the BIG-IP device in which they are logged into.
What should the BIG-IP Administrator do to verify if the iRule works correctly?
An LTM device pool has suddenly been marked down by a monitor. The pool consists of members 10.0.1.1:443 and 10.0.1.2:443 and are verified to be listening. The affected virtual server is 10.0.0.1:80.
Which two tools should the LTM Specialist use to troubleshoot the associated HTTPS pool monitor via the command line interface? (Choose two.)
-- Exhibit –
-- Exhibit --
Refer to the exhibits.
When observing the AVR statistics for the HTTPS_VS, an LTM Specialist realizes that HTTP status codes are NOT being recorded.
How should the LTM Specialist modify the configuration to record the HTTP status codes?
A virtual server configuration for traffic destined to a server is as shown:
FTP traffic is destined to the 192.168.1.101 server from the source of192.168.2.129.
Based on precedence, which virtual server accepts this traffic?
A web developer needs a virtual server configured for an application.
The application details are asfollows:
Application is accessed on port 443.
The application traffic is encrypted by the server.
HTTP is not being used. No data manipulation is necessary.
Throughput is critical.
NO connections are terminated on the LTM.
Which configuration provides thebest performance?
A)
B)
C)
D)
Given the log entry:
011f0005:3: HTTP header (32800) exceeded maximum allowed size of 32768 (Client sidE. vip=/Common/VS_web profile=http pool=/Common/POOL_web client_ip=10.0.0.1)
Which HTTP profile setting can be modified temporarily to resolve the issue?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
An HTTP monitor always marks the nodes in the pool as down. The monitor's definition and the HTTP headers from the monitor request and response are provided.
What is the issue?
A BIG-IP Administrator sees the following error message in /var/log/ltm diskmonitor: *******; Disk partition shared has less than 30$ free
Which section of the Configuration Utility should the BIG-IP Administrator access to investigate this
error message?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
An LTM Specialist has created a virtual server to balance connections to a pool of application servers and offload SSL decryption. Clients connect to the application at https://www.example.com/. The virtual server is configured with a clientssl profile but no serverssl profile. The application servers are listening on ports 80 and 443. Users are unable to connect to the application through the virtual server but are able to connect directly to the application server.
What is the root cause of the error?
An LTM Specialist has configured a virtual server for www.example.com, load balancing connections to a pool of application servers that provide a shopping cart application. Cookie persistence is enabled on the virtual server. Users are able to connect to the application, but the user's shopping cart fails to update. A traffic capture shows the following:
Request:
GET /cart/updatecart.php HTTP/1.1
Host: www.example.com
Connection: keep-alive
Cache-Control: max-age=0
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.94 Safari/537.4
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-EncodinG. gzip,deflate,sdch
Accept-LanguagE. en-US,en;q=0.8
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3
CookiE. BIGipServerwebstore_pool=353636524.20480.0000
Response:
HTTP/1.1 200 OK
DatE. Wed, 24 Oct 2012 18:00:13 GMT
Server: Apache/2.2.22 (Ubuntu)
X-Powered-By: PHP/5.3.10-1ubuntu3.1
Set-CookiE. cartID=647A5EA6657828C69DB8188981CB5; path=/; domain=wb01.example.com
Keep-AlivE. timeout=5, max=100
Connection: Keep-Alive
Content-TypE. text/html
No changes can be made to the application.
What should the LTM Specialist do to resolve the problem?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
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 is tasked with finding the cause of the problem.
The LTM Specialist has the tcpdump extract and knows the client software has at least one connection to a VS on port 1990. However, when a tcpdump runs on the internal VLAN, there is no record of port 1990 in the tcpdump.
Why is there no record of port 1990 in the tcpdump?
Macintosh HD:Users:danielkeller:Desktop:images 301b:LTMB211e1.pngExhibit.
- The ITM devices LTM 1 and LTM2 are configured in Device Group X (Sync-Failover)
- LTM3 and LTM4 are configured in Device Group Y (Sync-Only)
- An LTM specialist configures Device Group Z (Sync-Only) to keep several profiles in (sync-Only) to keep several profiles in sync across all devices.
- Device GROUP X has four Traffic Groups A.B.C and D configured.
- Device Group Y has four Traffic Groups E, F. G, and H configured
- Auto Fallback IS NOT Enabled.
- Each Device group is healthy and able to pass traffic for any traffic groupassigned to that Device
Group.
The data center that contains LTM2 and LTM4 loses power. After 10 minutes; power is restored and all devices are up and healthy.
What is the state of each Traffic Group on each ITM device after power is restored?
A)
B)
C)
D)
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
An LTM Specialist is investigating intermittent page load issues being reported by users.
What should the LTM Specialist do to resolve the issue?
The web application team requests help from the LTM Specialist to Improve the performance of their web sites that are load balanced by the F5 LTM device with a Standard Virtual Server.
Which virtual server type will improve the performance of the web application servers?
Which command should an LTM Specialist use on the command line interface to show the health of RAID array hard drives?
AN LTM Specialist is deploying an iRule designed to determine the country of origin of an incoming client connection. TheiRule needs to be used with an SSL-enabled web application.
Which profile required for the iRule to function properly?
An LTM Specialist needs to configure asetup for antivirus scanning of HTTP traffic with an internet Contact adaption Protocol (ICAP) server.
Which two server type should be used? (Choose two.)
Given this as the first packet displayed of an ssldump:
2 2 1296947622.6313 (0.0001) S>CV3.1(74) Handshake
ServerHello
Version 3.1
random[32]=
19 21 d7 55 c1 14 65 63 54 23 62 b7 c4 30 a2 f0
b8 c4 20 06 86 ed 9c 1f 9e 46 0f 42 79 45 8a 29
session_id[32]=
c4 44 ea 86 e2 ba f5 40 4b 44 b4 c2 3a d8 b4 ad
4c dc 13 0d 6c 48 f2 70 19 c3 05 f4 06 e5 ab a9
cipherSuite TLS_RSA_WITH_RC4_128_SHA
compressionMethod NULL
In reviewing the rest of the ssldump, the application data is NOT being decrypted.
Why is ssldump failing to decrypt the application data?
All pool members are online. All other virtual server settings are at default What might after the load balancing behavior?
A Standard Virtual Server for a web application is configured with Automap for the Source Address Translation option. The original source address of the client must be known by the backend servers. What should the BIG-IP Administrator configure to meet this requirement?
