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The BIG-IP ASM Specialist certification exam is designed to test the skills and knowledge of individuals in the area of application security. 303 exam covers topics such as application security policies, traffic learning, configuration and deployment, and troubleshooting. 303 exam is a comprehensive test of an individual's knowledge and skills in the area of application security.
F5 303 Exam consists of a series of challenging scenarios, multiple-choice questions, and practical assignments that require individuals to demonstrate their ability to secure applications, networks, and data across various deployment scenarios. Candidates who pass 303 exam showcase their practical understanding of industry-standard methodologies for determining threats, vulnerabilities, and exploits, as well as their ability to develop the appropriate security policies, configuration settings, and attack mitigation strategies to defend against emerging security threats.
F5 303 certification exam is designed for IT professionals who are interested in earning the BIG-IP ASM Specialist certification. BIG-IP ASM Specialist certification is ideal for individuals who are interested in working with F5 BIG-IP Application Security Manager (ASM) and want to demonstrate their expertise in this area. BIG-IP ASM Specialist certification exam covers a variety of topics related to BIG-IP ASM, including attack signatures, policy building, reporting and troubleshooting.
NEW QUESTION # 61
-- Exhibit -
-- Exhibit --
Refer to the exhibits.
Users are able to access the application when connecting to the virtual server but are unsuccessful when connecting directly to the application servers. The LTM Specialist wants to allow direct access to the application servers.
Why are users unable to connect directly to the application servers?
- A. The LTM device does NOT have an IP Forwarding virtual server on the Internal VLAN.
- B. The web server does NOT have a correct default gateway.
- C. The LTM device does NOT have a SNAT on the External VLAN.
- D. The router does NOT have a route to the server subnet.
- E. The LTM device does NOT have an IP Forwarding virtual server on the External VLAN.
Answer: B
NEW QUESTION # 62
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. unavailable
- B. offline
- C. unknown
- D. forced offline
- E. available
Answer: B
NEW QUESTION # 63
A new VLAN vlan301 has been configured on a highly available LTM device in partition ApplicationA. A new directly connected backend server has been placed on vlan301. However, there are connectivity issues pinging the default gateway. The VLAN self IPs configured on the LTM devices are 192.168.0.251 and
192.168.0.252 with floating IP 192.168.0.253. The LTM Specialist needs to perform a packet capture to assist with troubleshooting the connectivity.
Which command should the LTM Specialist execute on the LTM device command line interface to capture the attempted pings to the LTM device default gateway on VLAN vlan301?
- A. tcpdump -ni /ApplicationA/vlan301 'host 192.168.0.253'
- B. tcpdump -ni vlan301 'host 192.168.0.253'
- C. tcpdump -ni /ApplicationA/vlan301 'host 192.168.0.251 or host 192.168.0.252'
- D. tcpdump -ni vlan301 'host 192.168.0.251 or host 192.168.0.252'
Answer: A
NEW QUESTION # 64
A configuration change is made on the standby member of a device group.
What is displayed as "Recommended Action" on the Device Management Overview screen?
- A. Activate device with the most recent configuration
- B. Synchronize the active member configuration to the group.
- C. Force active member of device group to standby
- D. Synchronize the standby member configuration to the group
Answer: D
NEW QUESTION # 65
A BIG-IP Administrator has configured a BIG-IP cluster with remote user authentication against dcOl f5trn.com. Only local users can successfully log into the system. Configsync is also failing.
Which two tools should the 8IG-IP Administrator use to further investigate these issues? (Choose two)
- A. pam_timestamp_check
- B. dig
- C. passwd
- D. ntpq
- E. pwck
Answer: C,D
NEW QUESTION # 66
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 SNAT automap
- D. enable advanced routing
Answer: A
NEW QUESTION # 67
-- 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?
- A. The LTM device performs a Port Address Translation (PAT).
- B. Port 1990 is a well-known port, so its use is restricted.
- C. The LTM device drops the connection.
- D. The LTM device performs a Network Address Translation (NAT).
Answer: A
NEW QUESTION # 68
-- Exhibit -
-- Exhibit --
Refer to the exhibits.
An LTM device has been configured for load balancing a number of different application servers.
Configuration changes need to be made to the LTM device to allow administrative management of the servers in 172.16.10/24, 172.16.20/24, and 172.16.30/24 networks. The servers require outbound access to numerous destinations for operations.
Which solution has the simplest configuration changes while maintaining functionality and basic security?
- A. Replace 172.16.10.0:0/24, 172.16.20.0:0/24, and 172.16.30.0:0/24, with 172.16.0.0:0/16, and keep
0.0.0.0:0/0.0.0.0. - B. Remove 172.16.10.0:0/24, 172.16.20.0:0/24, and 172.16.30.0:0/24, and keep 0.0.0.0:0/0.0.0.0 enabled on all VLANs.
- C. Enable 172.16.10.0:0/24, 172.16.20.0:0/24, and 172.16.30.0:0/24 on egress VLAN(s), and enable
0.0.0.0:0/0.0.0.0 on ingress VLAN(s). - D. Enable 172.16.10.0:0/24, 172.16.20.0:0/24, and 172.16.30.0:0/24 on ingress VLAN(s), and enable
0.0.0.0:0/0.0.0.0 on egress VLAN(s).
Answer: D
NEW QUESTION # 69
An LTM Specialist is removing some of the load off an existing cluster by adding a adding a third BIG-IP device to the device group. The new device candeliver twice the performance of the other two devices.
The LTM Specialist needs to make sure that the BIG-IP device with the highest available capacity is always selected to take over a traffic group in the event of a failover.
Which failover method is most appropriate?
- A. Load Aware
- B. HA Capacity
- C. Ordered List
- D. HA Group
Answer: C
NEW QUESTION # 70
A VCMP guest has the following characteristics:
* Resources allocated for CPU memory, network interfaces, and disk space
* Virtual disk created
* The guest is NOT running
The guest isNOT running in which state is the VCMP guest
- A. Deployed
- B. Offline
- C. Provisioned
- D. Configured
Answer: C
NEW QUESTION # 71
A pool with a default connection limit is configured to use Round Robin as the load balancing method. An LTM Specialist needs to ensure that the LTM device selects a serverwith the fewest number of connections when new clients connect. Another pool is using the same set of backend servers.
Which load balancing-method should the pool be changed to?
- A. Least Connections
- B. Weighted Least Connections (member)
- C. Least Connections
- D. Weighted Least Connections (node]
Answer: A
NEW QUESTION # 72
The end users of a web application need to verify that their browsers received the complete message-body from the web server.
Which HTTP header will accomplish this?
- A. Accept-Ranges
- B. Expect
- C. Range
- D. Content-Length
Answer: D
NEW QUESTION # 73
Refer to the exhibit.
During a planned upgrade lo a BIG-IP HA pair running Active/Standby, an outage to application traffic is reported shortly after the Active unit is forced to Standby Reverting the flower resolves the outage. What should the BIG-IP Administrator modify to avoid an outage during the next for over event?
- A. The Tag value on the Active device
- B. The Interface on the Standby device to 1.1
- C. The interface on the Active device to 1.1
- D. The Tag voice on the Standby device
Answer: D
NEW QUESTION # 74
AN LTM Specialist receives reports that an external company application is having reliability issues. The F5 Administrator finds the following in /vat/log/ltm file.
The LTM Specialist determines that the F5 LTMdevice is entering into Aggressive Mode Adaptive Reaping, which is causing the site reliability issues.
What is the most likely reason that the LTM device has entered into Aggressive Mode Adaptive Reaping?
- A. The site is under DDOS attack
- B. The LTM device has not provisioned AVR.
- C. The site has too many licensed modules.
- D. The LTM device exceeds licensed traffic limits.
Answer: A
NEW QUESTION # 75
A BIG-IP Administrator is configuring a pool with members who have differing capabilities. Connections to pool members must be load balanced appropriately.
Which load balancing method should the BIG-IP Administrator use?
- A. Fastest (node)
- B. Least Connections (member)
- C. Weighted Least Connections (member)
- D. Least Sessions
Answer: C
NEW QUESTION # 76
An LTM Specialist is troubleshooting an issue with a new virtual server. When connecting through the virtual server, clients receive the message "Unable to connect" in the browser, although connections directly to the pool member show the application is functioning correctly. The LTM device configuration is:
ltm virtual /Common/vs_https {
destination /Common/10.10.1.110:443
ip-protocol udp
mask 255.255.255.255
pool /Common/pool_https
profiles {
/Common/udp { }
}
translate-address enabled
translate-port enabled
vlans-disabled
}
ltm pool /Common/pool_https {
members {
/Common/172.16.20.1:443 {
address 172.16.20.1
}
}
}
What issue is the LTM Specialist experiencing?
- A. The pool member is marked down by a monitor.
- B. The virtual server is configured for the incorrect protocol.
- C. The pool member is marked down administratively.
- D. The virtual server is disabled on all VLANs.
Answer: B
NEW QUESTION # 77
A virtual server is configured to offload SSL from a pool of backend servers. When users connect to the virtual server, they successfully establish an SSL connection but no content is displayed. A packet trace performed on the server shows that the server receives and responds to the request. What should a BIG-IP Administrator do to resolve the problem?
- A. enable SNAT
- B. disable Server SSL profile
- C. enable Server SSL profile
- D. disable SNAT
Answer: B
NEW QUESTION # 78
While investigating the cause of a device failover, an LTM Specialist discovers the following events in
/var/log/ltm:
01010029:5: Clock advanced by 518 ticks
01010029:5: Clock advanced by 505 ticks
01010029:5: Clock advanced by 590 ticks
01010029:5: Clock advanced by 568 ticks
01010029:5: Clock advanced by 1681 ticks
01010029:5: Clock advanced by 6584 ticks
01140029:5: HA daemon_heartbeat tmm fails action is failover and restart.
010c0026:5: Failover condition, active attempting to go standby.
Which issue caused the failover?
- A. VLAN Fail-safe heartbeats
- B. TMM being descheduled
- C. NTP being out of sync
- D. HA missing heartbeat packets
Answer: B
NEW QUESTION # 79
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