[Nov-2023] The F5 303 Exam Test For Brief Preparation
Revolutionary Guide To Exam F5 Dumps
NEW QUESTION # 19
A BIG-IP device is configured with both an internal external and two Corporate VLANs. The virtual server has SNAT enabled and is set to listen on all VLANs Auto Last Hop is disabled. The Corporate users are on
10.0.0.0./24 and 172.16.0.0/12. The BIG-IP has a Self-IP on the 1.0.0.0.0./24 subnet.
Internet users are able to access the virtual server. Only some of the Corporate users are able to connect to the virtual server A BIG-IP Administrator performs a tcpdump on the BIG-IP and verifies that traffic is arriving from users in 10.0.0.0/24.
What should the BIG-IP Administrator do to correct this behaviour?
- A. Disable the server on the internal VLAN
- B. Add a static route for the 172.16.0.0/12 subnet
- C. Change the default route to point to the extra firewall
- D. Modify the default route of the servers to point to the BIG-IP device
Answer: B
NEW QUESTION # 20
A Virtual Server uses an iRule to send traffic to pool members depending on the URI. The BIG-IP Administrator needs to modify the pool member in the iRule.
Which event declaration does the BIG-IP Administrator need to change to accomplish this?
- A. CLIENT_ACCEPTED
- B. SERVER_CONNECTED
- C. HTTP_REQUEST
- D. HTTP_RESPONSE
Answer: C
Explanation:
Explanation
According to the UR! distribution is the category of HTTP requests, need to trigger HTTP_REQUEST event.
NEW QUESTION # 21
Refer to the exhibit.
The http monitor is applied to a pool. All members are enabled. One server responds as follows.
What is the resulting status of this poo! member?
- A. Unavailable (Disabled)
- B. Offline (Disabled)
- C. Offline (Enabled)
- D. Available (Enabled)
Answer: C
Explanation:
Explanation
The first picture "Send String" and "Receive String" are not clear. Send String should be "GOOD", theresponse packet does not contain this keyword. Receive Disable String is completely unclear. If the response packet contains the content of Receive Disable String at this time, it will be Available (Disabled), If the content of Receive Disable String is not included, then Offline (Enabled).
NEW QUESTION # 22
AN LTM Specialist is using an external monitor evaluate the hard drive usage of a node. The monitor has marked the node down because it exceeded the specific threshold. The disk usage on the server has been corrected below the threshold, however, the node remains offline.
Which feature is causing this problem?
- A. The value for Manual Resume is set to Yes
- B. The parameter Time Until UP has a value greater than 0
- C. The value for UP interval is enable with a value greater than 0
- D. The value of Manual Resume is set to No
Answer: A
NEW QUESTION # 23
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
A pair of LTM devices are configured for HA. The LTM Specialist observes from a capture that there is a successful connection from a client directly to a web server and an unsuccessful connection from a client via the LTM device to the same web server.
Which two solutions will solve the configuration problem? (Choose two.)
- A. Change server default gateway to point at LTM internal self IP.
- B. Change server default gateway to point at LTM internal floating IP.
- C. Configure SNAT on the virtual server.
- D. Configure SNAT on the pool.
Answer: B,C
NEW QUESTION # 24
What is the effect of an iRule error such as referencing an undefined variable?
- A. The connection will continue, but the iRule will NOT be executed again for the lifetime of the connection.
- B. The iRule execution will continue with the next statement.
- C. The execution of the current event within the iRule will be terminated.
- D. The iRule execution will be terminated, and both the client and server side connections will be reset.
Answer: D
NEW QUESTION # 25
An LTM device is configure with the wildcard virtual servers displayed below.
A client connection is made to 172.24.31.14:443.
- A. VS_HTTPS_WILDCARD
- B. VS_HTTP_WILDCARD
- C. VS_172_24_WILDCARD
- D. VS_172_24_1_WILDCARD
Answer: C
Explanation:
Explanation
Match the network segment first and then port.
NEW QUESTION # 26
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
A pair of LTM devices is configured for HA.
What happens if the pool member server with IP address 10.0.0.4 becomes totally unresponsive to the active LTM device, but is still responsive to the standby LTM device?
- A. The HA-group will initiate a fail-over because the threshold is set to 2.
- B. The HTTP application will be unavailable via the LTM device.
- C. The HA-group will initiate a fail-over because the HA-Group score will be zero.
- D. The HA-group will disable the trunk my_trunk.
Answer: A
NEW QUESTION # 27
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 guest
tmsh install sys software 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 host
tmsh install sys software block-device-image image_name volume < volume_name>
Answer: D
NEW QUESTION # 28
What is a benefit provided by F5 Enterprise Manager?
- A. Enterprise Manager allows administrators to establish baseline application usage and generate an alert if an administratively set threshold for the application is exceeded.
- B. Enterprise Manager allows administrators to identify application vulnerabilities. Virtual patches are then automatically generated and applied to remediate the detected application vulnerability.
- C. Enterprise Manager allows administrators to monitor all application traffic. Configuration optimization suggestions based on the observed traffic patterns are then generated for the administrator to review and apply.
- D. Enterprise Manager allows administrators to analyze traffic flow and create custom application IPS signatures.
Answer: A
NEW QUESTION # 29
A BIG-IP Administrator creates a new VLAN on BIG-IP Cluster Member A and attaches an Interface to it.
Although the Auto Config Sync is in place, the new VLAN does NOT show up on Cluster Member B.
What should the BIG-IP Administrator do to ensure the new VLAN is configured on each Cluster Member?
- A. Enable the Interface that is attached to the new VLAN on Cluster Member A.
- B. Reset the Device Trust of the BIG-IP Cluster on either Cluster Member.
- C. Configure a Default Route for the new VLAN on Cluster Member A.
- D. Configure the new VLAN manually on Cluster Member B.
Answer: D
NEW QUESTION # 30 
A BIG-IP Administrator notices that one of the servers that runs an application is NOT receiving any traffic.
The BIG-IP Administrator examines the configuration status of the application and observes the displayed monitor configuration and affected Pool Member status. What is the possible cause of this issue?
- A. HTTP 1.1 is NOT appropriate for monitoring purposes.
- B. The Node Health Monitor is NOT responding.
- C. The application is NOT responding with the expected Receive String.
- D. The BIG-IP device is NOT able to reach the Pool.
Answer: B
NEW QUESTION # 31
Refer to the exhibit.
A BIG-IP Administrator needs to deploy an application on the BIG-IP system to perform SSL offload and re-encrypt the traffic to pool members.
During testing, users are unable to connect to the application.
What must the BIG-IP Administrator do to resolve the issue?
- A. Configure Protocol Profile (Server) as splitsession-default-tcp
- B. Remove the configured SSL Profile (Client)
- C. Enable Forward Proxy in the SSL Profile (Client)
- D. Configure an SSL Profile (Server)
Answer: D
Explanation:
Explanation
According to the requirements of the subject, the client and server must be configured with ssl profile.
NEW QUESTION # 32
An LTM deviceneeds to be configured a virtual server. The application requires SSL encryption from the client to the server and an X-Forwarded-For added by the LTM device.
Which virtual server type should the LTM Specialist use?
- A. Performance
- B. Forwarding (IP)
- C. Performance (HTTP)
- D. Stateless
- E. Standard
Answer: E
NEW QUESTION # 33
An HA pair of LTM devices configured in Active-Standby mode stops responding to traffic and causes an outage. The Active device becomes Standby, but the partner device stays in Standby mode instead of taking over as Active. A reboot and restart of the services brings the LTM device to Active mode for a short time, but then it goes into Standby mode again.
Which two configuration components caused this condition? (Choose two.)
- A. System Fail-safe
- B. Switch Board Failure
- C. VLAN Fail-safe
- D. Gateway Fail-safe
- E. Link down on Failover
Answer: C,D
NEW QUESTION # 34
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
Which two items can be consolidated to simplify the LTM configuration? (Choose two.)
- A. /Common/vs4-https-redirect
- B. /Common/vs2-https-redirect
- C. /Common/vs5-https-redirect
- D. /Common/vs1-https-redirect
- E. /Common/vs3-https-redirect
Answer: A,D
NEW QUESTION # 35
Which command will identify the active LTM device currently handling client traffic?
- A. b ha table show
- B. tmsh list /sys ha-status
- C. tmsh show /sys ha-status all-properties
- D. tmsh show /cm traffic-group
- E. tmsh run /sys failover standby
Answer: D
NEW QUESTION # 36
A virtual server is using a TCP profile based on thetop-wan-optimized profile for a streaming application Users report videos are loading slowly.
Which setting should be modified in the TCP profile to optimize the application?
- A. Disable Selective ACKs
- B. Disable Reset on Timeout
- C. Disable Slow Start
- D. Disable Nagle's Algorithm
Answer: C
NEW QUESTION # 37
A node is a member of various pools and hosts different web applications. If a web application is unavailable, the BIG-IP appliance needs to mark the pool member down for that application pool. What should a BIG-IP Administrator deploy at the pool level to accomplish this?
- A. A combination of ICMP + TCP monitor
- B. A UDP monitor with a custom interval/timeout
- C. An HTTP monitor with custom send/receive strings
- D. A TCP monitor with a custom interval/timeout
Answer: C
Explanation:
Explanation
Requiring all traffic to be HTTPS access requires HTTP requests to be redirected directly to HTTPS.
NEW QUESTION # 38
The BIG-IP Administrator creates a custom iRule that fails to work as expected. Which F5 online resource should the administrator use to help resolve this issue?
- A. Health
- B. University
- C. Bug Tracker
- D. DevCentral
Answer: D
NEW QUESTION # 39
An LTM device has a virtual server mapped to www5f.com with a pool assigned. The objects are defined as follows:
Virtual server. Destination 192.168.245.100.443 netmask 255.255.255.0
Persistence: Source address persistence netmask 255.0.0.0
SNAT:AutoMap
Profiles: HnP/TCP
How should the BIG-IP Administrator modify the persistence profile so that each unique IP address creates a persistence record?
- A. netmask 255.256.255.0
- B. netmask 0.0.0.0
- C. netmask 255.255.0.0
- D. netmask 255.255.255.255
Answer: D
NEW QUESTION # 40
A BIG-IP Operator has made a grave error and deleted a few virtual servers on the active LTM device fronting the web browsing proxies. The BIG-IP Operator has NOT yet performed a configuration sync.
Which command should the LTM Specialist execute on the active LTM device to force a failover to the standby node and restore web browsing?
- A. tmsh /sys failover status standby
- B. tmsh run /sys failover standby
- C. tmsh /sys failover standby
- D. tmsh run /sys failover status standby
Answer: B
NEW QUESTION # 41
Users are unable to reach an application. The BIG-IP Administrator checks the Configuration Utility and observes that the Virtual Server has a red diamond in front of the status. What is causing this issue?
- A. All pool members are down.
- B. The Virtual Server is receiving HTTPS traffic over HTTP virtual.
- C. The Virtual Server is disabled.
- D. All pool members have been disabled.
Answer: A
NEW QUESTION # 42
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