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F5 303 exam is an ideal certification for IT professionals who work in the application security space and have experience with F5 BIG-IP systems. By earning this certification, IT professionals can demonstrate their expertise in designing, implementing, and managing security solutions that help protect against web application attacks and vulnerabilities.
NEW QUESTION # 88
An application is being load balanced through the LTM device using the configuration displayed below.
The network has been re-engineered to NAT all client connection. As a result, allclient connections are hitting the same pool member.
Which changes should the LTM Specialist make in order to restore load balancing functionality wile maintaining session persistence?
- A. Change the virtual server type to Standard, add an httpprofile, and change the persistence profile to Destination Address
- B. Leave the virtual server type set Performance (Layer 4) and change the persistence type to hash
- C. Change the virtual server to Standard add an http profile, and change the persistence profile to Cookie persistence
- D. Change the virtual serer type to Forwarding (Layer 4) and leave the persistence type tohash source Address
Answer: C
NEW QUESTION # 89
An LTM Specialist is upgrading the LTM devices. Which device should be upgraded first?
- A. Device C
- B. Device D
- C. Device A
- D. Device B
Answer: A
NEW QUESTION # 90
Which of the following describes a key function of a security policy in BIG-IP ASM?
- A. It defines the traffic forwarding behavior of a load balancer
- B. It determines the HTTP response codes for specific requests
- C. It defines the security settings and attack signatures for protecting an application
- D. It specifies which URL patterns should be cached
Answer: C
NEW QUESTION # 91
An LTM Specialist notices the following error on the stdout console:
mcpd[2395]: 01070608:0: License is not operational(expired or digital
signature does not match contents)
Which command should be executed to verify the LTM device license?
- A. tmsh /util bigpipe version
- B. tmsh show /sys license
- C. bigpipe version
- D. tmsh show /sys license status
Answer: B
NEW QUESTION # 92
A BIG-IP Administrator assigns the default http health monitor to a pool that has three members listening on port 80 When the administrator connects to each pool member via the CURL utility, two of the members respond with a status of 404 Not Found while the third responds with 200 OK. What will the pool show for member availability?
- A. Two members offline and one member online.
- B. Two members online and one member offline.
- C. All members offline.
- D. All members online.
Answer: D
NEW QUESTION # 93
On the VCMP system, a BIG-IP host administrator imports a new ISO image into the host's
/shared/images folder. The new ISO images that reside on the vCMP host are available for installation on the guest. How should the BIG-IP Administrator install one image from within the guest?
- A. Install the new software on the host and wait for it to automatically be installed on all guests.
- B. Run the following command on host
tmsh install sys software block-device-image image_name volume < volume_name> - C. Run the following command on guest
tmsh install sys software block-device-image image_name volume < volume_name> - D. Run the following command on guest
tmsh install sys software image image_name volume < volume_name>
Answer: B
NEW QUESTION # 94
An LTM Specialist is configuring a new virtual server on an LTM device and assigning a SNAT pool that is already is use another virtual server. Both virtual servers use the same pool members to load balance traffic. A maximum of 35,000 users needs to be able to access each virtual server ta any time. The network architecture does NOT allow the backend servers to use the LTM device as a default gateway. What is the minimum number of SNAT addresses required in the SNAT pool to meet the needs of the virtual servers?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
Explanation:
Both vs share the same snat pool, and both use the same pool member. Then the concurrent number of snatpool will be added. For each VS, there is a maximum of 35,000 users, and those two VSs have a maximum of 70,000 users. The stem did not mention how many connections each user would have concurrently. Calculated with a minimum of 1 connection, then 70,000 connections would be concurrent. One IP can support 65,535 connection. Therefore, at least 2 or more snaptips are required
NEW QUESTION # 95
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. tcp - no persistence profile will be used
- B. tcp, clientssl, serverssl persistence
- C. tcp, ftp - Source address persistence
- D. tcp, ctientsst, ftp serverssl persistence
Answer: C
NEW QUESTION # 96
Refer to the exhibit. An LTM Specialist is troubleshooting a sync-failover group of three BIG-IP LTM devices. The command used is "tmsh run cm watch-devicegroup-device." What does the output mean?
- A. Configuration is synchronized between all the devices.
- B. Configuration is not synchronized. Some modifications have been done on bigipB.
- C. Configuration is not synchronized. Some modifications have been done on bigipC.
- D. Configuration is not synchronized. Some modifications have been done on bigipA.
Answer: B
NEW QUESTION # 97
An LTM Specialist needs to gather website statistics such as latency and throughput on the existing virtual server. This virtual server loadBalances the backend web servers.
Which F5 feature will provide this?
- A. the Statistics panel
- B. the Performance panel
- C. the AVR module
- D. the Dashboard
Answer: C
NEW QUESTION # 98
New Syslog servers have been deployed in an organization. The BIG-IP Administrator must reconfigure the BIG-IP system to send log messages to these servers. In which location in the Configuration Utility can the BIG-IP Administrator make the needed configuration changes to accomplish this?
- A. System > Logs > Audit
- B. System > Configuration > Local Traffic
- C. System > Logs > Configuration
- D. System > Configuration > Device
Answer: C
NEW QUESTION # 99
The BIG-IP appliance fails to boot. The BIG-IP Administrator needs to run the End User Diagnostics (EUD) utility to collect data to send to F5 Support. Where can the BIG-IP Administrator access this utility?
- A. Management Port
- B. Internal VLAN interface
- C. Console Port
- D. External VLAN interface
Answer: C
NEW QUESTION # 100
Exhibit.
The three VLANS shown provide connectivity to backend servers. The backend servers are being moved to unmanaged switches and require separate interfaces.
How should the F5 device interfaces be configured?
- A. Create a Trunk interface and combined interface 1.1.1.2 and 1.3.
- B. Create VLAN_A move interface 1.1 to untagged. Create VLAN_B move interface 1.2 to untagged.
Create VLAN_C move interface 1.3 to untagged. - C. Create VLAN named VLAN_A enter 100 under Tag and moveinterface 1.1 to tagged Create VLAN_B enter 200 and move interface 1.2 to tagged Create VLAN_C Center 300 and move interface 1.3 to tagged.
- D. Create a Trunk interface and select VLAN_A, VLAN_B. and VLAN_C.
Answer: B
NEW QUESTION # 101
Which command will identify the active LTM device currently handling client traffic?
- A. tmsh list /sys ha-status
- B. tmsh show /cm traffic-group
- C. tmsh show /sys ha-status all-properties
- D. b ha table show
- E. tmsh run /sys failover standby
Answer: B
NEW QUESTION # 102
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. GET /\r\n\r\n
- B. GET / HTTP/1.0\r\n\r\n
- C. GET /\r\nHTTP/1.0\r\n\r\n
- D. GET /\r\nHost: \r\n\r\n
Answer: B
NEW QUESTION # 103
An LTM device supports two power supplies. The value of the BigDB key "platform.powersupplymonitor" is equal to enable.
Where would the error message be visible if one of the power supplies fails or is NOT plugged in?
- A. in the /var/log/ltm log file
- B. in the /var/log/kern.log file
- C. in the /var/log/tmm log file
- D. visible only via the console
Answer: A
NEW QUESTION # 104
A new VLAN vlan301 has been configured on a highly available LTM device in partition Application A.
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 192.168.0.251 or host 192.168.0.252'
- B. tcpdump -ni vlan301 'host 192.168.0.253'
- C. tcpdump -ni /ApplicationA/vlan301 'host 192.168.0.253'
- D. tcpdump -ni vlan301 'host 192.168.0.251 or host 192.168.0.252'
Answer: C
NEW QUESTION # 105
The network team has recently added a new syslog server with IP address 10.1.1.1. Which command adds the new syslog entry on the F5 LTM device?
- A.
- B.
- C.
- D.
Answer: C
NEW QUESTION # 106
TWO LTM devices are in the same Device Group and configured for Ac live/Standby Failover. The LTM Specialist observes that the HA Active and Standby device constantly changes state. All network links use the default route domain A dedicated fiber ink is used for the HA connection with a latency of 250 ms but no packet loss.
What is causing the change in failover state to occur?
- A. The HA network is using the default routing domain.
- B. The HA network latency is too high.
- C. The HA network is using multicast IP.
- D. The HA network is not configured for mirroring.
Answer: C
Explanation:
NEW QUESTION # 107
A BIG-IP Administrator remotely connects to the appliance via out-of-band management using
https://mybigip mycompany net. The management portal has been working all week. When the administrator attempts to login today, the connection times out. Which two aspects should the administrator verify? (Choose two)
- A. The administrator has the latest version of the web browser.
- B. DNS is property resolving the FQDN of the device.
- C. Packet Filters on the device are blocking port 80.
- D. The device is NOT redirecting them to http.
- E. The administrator has TCP connectivity to the device.
Answer: B,E
NEW QUESTION # 108
Given LTM device ltm log:
Sep 26 20:51:08 local/lb-d-1 notice promptstatusd[3695]: 01460006:5:
semaphore mcpd.running(1) held
Sep 26 20:51:08 local/lb-d-1 notice promptstatusd[3695]: 01460006:5:
Sep 26 20:51:08 local/lb-d-1 warning promptstatusd[3695]: 01460005:4:
mcpd.running(1) held, wait for mcpd
Sep 26 20:51:08 local/lb-d-1 info sod[3925]: 010c0009:6: Lost
connection to mcpd - reestablishing.
Sep 26 20:51:08 local/lb-d-1 err bcm56xxd[3847]: 012c0004:3: Lost
connection with MCP: 16908291 ... Exiting bsx_connect.cpp(174)
Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0012:6: MCP Exit
Status
Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0012:6: Info:
LACP stats (time now:1348717868) : no traffic
Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0014:6:
Exiting...
Sep 26 20:51:08 local/lb-d-1 err lind[3842]: 013c0004:3: IO error on
recv from mcpd - connection lost
Sep 26 20:51:08 local/lb-d-1 notice bigd[3837]: 01060110:5: Lost
connection to mcpd with error 16908291, will reinit connection.
Sep 26 20:51:08 local/lb-d-1 err statsd[3857]: 011b0004:3: Initial
subscription for system configuration failed with error ''
Sep 26 20:51:08 local/lb-d-1 err statsd[3857]: 011b0001:3: Connection
to mcpd failed with error '011b0004:3: Initial subscription for system
configuration failed with error '''
Sep 26 20:51:08 local/lb-d-1 err csyncd[3851]: 013b0004:3: IO error on
recv from mcpd - connection lost
.............skipping more logs.....
Sep 26 20:51:30 local/lb-d-1 notice sod[3925]: 01140030:5: HA
proc_running bcm56xxd is now responding.
Sep 26 20:51:34 local/lb-d-1 notice sod[3925]: 01140030:5: HA
proc_running mcpd is now responding.
Sep 26 20:51:34 local/lb-d-1 notice sod[3925]: 010c0018:5: Standby
Which daemon failed?
- A. sod
- B. lind
- C. mcpd
- D. bcm56xxd
- E. promptstatusd
Answer: C
NEW QUESTION # 109
......
F5 303 exam is a valuable certification for IT professionals who want to enhance their skills and knowledge in web application security. 303 exam validates the candidate's expertise in configuring, managing, and troubleshooting F5 BIG-IP ASM solutions and demonstrates their commitment to staying up-to-date with industry standards. By passing the F5 303 exam, candidates can open up new career opportunities and advance in their careers.
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