2023 Updated F5 303 Certification Study Guide Pass 303 Fast
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NEW QUESTION 16
All pool members are online. All other virtual server settings are at default What might after the load balancing behavior?
- A. enabing a falback host in the http profile
- B. enabing SNAT automap
- C. adding a oneconnect profile
- D. adding a persistence profile
Answer: D
NEW QUESTION 17
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
An LTM Specialist has a virtual server set up on the LTM device as per the exhibit. The LTM Specialist receives reports of intermittent issues. Some clients are connecting fine while others are failing to connect.
The LTM Specialist does a tcpdump on the relevant interfaces, with the following results extracted:
What is causing the intermittent issues?
- A. The load balancing (LB) method is inappropriate.
- B. The firewall is dropping the packets from WS1.
- C. The default gateway is inaccessible from WS1.
- D. The pool members have been set up as an active/standby pair, with WS1 as the standby.
Answer: C
NEW QUESTION 18
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
An LTM Specialist configures a virtual server that balances HTTP connections to a pool of three application servers. Approximately one out of every three connections to the virtual server fails.
Which two actions will resolve the problem? (Choose two.)
- A. Verify that port lockdown is set to allow port 80.
- B. Verify the default gateway on the application servers.
- C. Assign a custom HTTP monitor to the pool.
- D. Increase the TCP timeout value in the default TCP profile.
- E. Enable SNAT automap on the virtual server.
Answer: B,E
NEW QUESTION 19
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
Which step should an LTM Specialist take to utilize AVR?
- A. reboot the device
- B. provision AVR
- C. license the device for AVR
- D. install the AVR add-on
Answer: B
NEW QUESTION 20
An HA pair of LTM devices that load balance multiple HTTPS applications utilizes highly customized RAM Cache and compression profiles on each virtual server. The LTM Specialist who is administering the HA pair regularly observes entines in the log similar to the following:
tmm tmm I708S1 011e0002.4. sweeper_update: aggressive mode activated (117504/138240 pages) No DoS attacks arc occurring. No user problems have been reported. Which step should the LTM Specialist take to help mitigate the issue?
- A. change the Adaptive Reaping Low watermark
- B. allocate less memory to the RAM cache feature
- C. change the Adaptive Reaping High watermark
- D. use a OneConnect profile
Answer: A
NEW QUESTION 21
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
An LTM Specialist is troubleshooting an issue with a new virtual server. When connecting through the virtual server, clients receive the message "The connection was reset" in the browser. Connections directly to the pool member show the application is functioning correctly.
What is the issue?
- A. The virtual server is configured with the incorrect SNAT address.
- B. The virtual server is processing encrypted traffic as plain-text HTTP.
- C. The pool member is failing the monitor check.
- D. The pool member default gateway is set incorrectly.
Answer: B
NEW QUESTION 22
Which procedure should an LTM Specialist follow to move a configuration from a 1500 to a 1600 hardware platform during an upgrade?
- A. tmsh save sys backup file filename.scf
copy the file from the /var/local/ucs directory from one device to the other tmsh load sys backup file filename.scf - B. tmsh save sys backup file filename.scf
copy the file from the /var/local/scf directory from one device to the other tmsh load sys backup file filename.scf - C. tmsh save sys config file filename.scf
copy the file from the /var/local/scf directory from one device to the other tmsh load sys config file filename.scf - D. tmsh save sys config file filename.scf
copy the file from the /var/local/ucs directory from one device to the other tmsh load sys config file filename.scf
Answer: C
NEW QUESTION 23
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
The virtual server is listening on port 443.
What is the solution to the problem?
- A. Modify the virtual server HTTP Profile to 'Redirect RewritE. All'.
- B. Add an SSL Client profile to the existing virtual server.
- C. Modify the virtual server TCP profile to disable Nagle's Algorithm.
- D. Modify the virtual server HTTP Profile to 'Redirect RewritE. Matching'.
Answer: A
NEW QUESTION 24
An LTM device has a virtual server configured as a Performance Layer 4 virtual listening on 0.0.0.0:0 to perform routing of packets to an upstream router. The client machine at IP address 192.168.0.4 is attempting to contact a host upstream of the LTM device on IP address 10.0.0.99.
The network flow is asymmetrical, and the following TCP capture displays:
# tcpdump -nnni 0.0 'host 192.168.0.4 and host 10.0.0.99'
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on 0.0, link-type EN10MB (Ethernet), capture size 96 bytes
05:07:55.499954 IP 192.168.0.4.35345 > 10.0.0.99.443: S 3205656213:3205656213(0) ack 3267995082 win
1480
05:07:55.499983 IP 10.0.0.99.443 > 192.168.0.4.35345: R 1:1(0) ack 1 win 0
05:07:56.499960 IP 192.168.0.4.35345 > 10.0.0.99.443: S 3205656213:3205656213(0) ack 3267995082 win
1480
05:07:56.499990 IP 10.0.0.99.443 > 192.168.0.4.35345: R 1:1(0) ack 1 win 0
4 packets captured
Which option within the fastL4 profile needs to be enabled by the LTM Specialist to prevent the LTM device from rejecting the flow?
- A. Generate Initial Sequence Number
- B. Loose Close
- C. Loose Initiation
- D. Reset on Timeout
Answer: C
NEW QUESTION 25
An LTM Specialist is configuring a virtual server with an IP address.
Which configuration is unsupported?
- A. Standard virtual server with a TCP profile
- B. Standard virtual server with an HTTP profile
- C. Performance 14 virtual server with an HTTP profile
- D. Performance 14 virtual server with a FastHTTP profile
Answer: C
NEW QUESTION 26
Refer to the exhibit. The BIG-IP Administrator needs to avoid overloading any of the Pool Members with connections, when they become active.
What should the BIG-IP Administrator configure to meet this requirement?
- A. Same Priority Group to each member
- B. Slow Ramp Time to the Pool
- C. Action On Service Down to Reselect
- D. Different Ratio for each member
Answer: B
NEW QUESTION 27
-- Exhibit -
-- Exhibit --
Refer to the exhibits.
An LTM Specialist is troubleshooting an application configured on an LTM device on a one-armed configuration. The application is NOT working through the LTM device but does work when accessed directly via the application servers. The virtual server 192.168.1.211:443 is configured to SNAT using the address
192.168.1.144 and references a pool with the member 192.168.10.80:443. No Client or Server SSL profiles are associated. The LTM Specialist has collected two traffic captures to help determine the issue.
What is the problem with the configuration on the LTM device?
- A. Virtual server is configured without SSL Profiles.
- B. Virtual server is configured to use wrong port.
- C. Pool member is configured to use wrong port.
- D. Pool member is configured for SSL off-loading.
Answer: C
NEW QUESTION 28
Which three HTTP headers allow an application server to determine the client's language compatibility, browser, operating system type, and compression compatibility? (Choose three.)
- A. User-Agent
- B. Accept-Language
- C. Host
- D. Accept-Encoding
- E. Accept
Answer: A,B,D
NEW QUESTION 29
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 an SSL Profile (Server)
- B. Configure Protocol Profile (Server) as splitsession-default-tcp
- C. Enable Forward Proxy in the SSL Profile (Client)
- D. Remove the configured SSL Profile (Client)
Answer: A
Explanation:
Explanation
According to the requirements of the subject, the client and server must be configured with ssl profile.
NEW QUESTION 30
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. Gateway Fail-safe
- D. VLAN Fail-safe
- E. Link down on Failover
Answer: C,D
NEW QUESTION 31
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