Valid 303 Exam Q&A PDF 303 Dump is Ready (Updated 525 Questions)
Exam Questions and Answers for 303 Study Guide
NEW QUESTION 72
What is the status of a pool member when manual resume is enabled and a health check first fails and then passes?
- A. Available (Enabled)
- B. Available (Disabled)
- C. Offline (Enabled)
- D. Offline (Disabled)
Answer: D
NEW QUESTION 73
A BIG-IP Administrator makes a configuration change to a Virtual Server on the Standby device of an HA pair. The HA pair is currently configured with Auto-Sync Enabled. What effect will the change have on the HA pair configuration?
- A. The change will be propagated next time a configuration change is made on the Active device.
- B. The change will be undone next time a configuration change is made on the Active device.
- C. The change will take effect when Auto-Sync propagates the config to the HA pair.
- D. The change will be undone when Auto-Sync propagates the config to the HA pair.
Answer: C
NEW QUESTION 74
A BIG-IP Administrator is creating a new Trunk on the BIG-IP device. What objects should be added to the new Trunk being created?
- A. VLANS
- B. Network routes
- C. IP addresses
- D. Interfaces
Answer: D
Explanation:
Explanation
trunk is a portchannel, you need to add a physical interface.
NEW QUESTION 75
Users are experiencing low throughput when downloading large files over a high-speed WAN connection.
Extensive packet loss was found to be an issue but CANNOT be eliminated.
Which two TCP profile settings should be modified to compensate for the packet loss in the network? (Choose two.)
- A. proxy options
- B. proxy buffer low
- C. Nagle's algorithm
- D. proxy buffer high
- E. slow start
Answer: B,D
NEW QUESTION 76
-- 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. Pool member is configured for SSL off-loading.
- B. Virtual server is configured without SSL Profiles.
- C. Pool member is configured to use wrong port.
- D. Virtual server is configured to use wrong port.
Answer: C
NEW QUESTION 77
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
A virtual server is set up on an LTM device as follows:
Virtual server address 78.24.213.79
Default Persistence ProfilE. source_addr, 600s.
Pool NamE. Pool1
Pool Members: 10.72.250.52:80 and 10.72.250.60:80 (both on Internal Vlan) There are several current connections to the virtual server, and pool member 10.72.250.52:80 has been set to a
"Disabled" state.
A tcpdump on the Internal Vlan shows traffic going to 10.72.250.52:80.
How soon after the persistence table query was run can existing connections be refreshed/renewed to ensure that no requests are sent to 10.72.250.52?
- A. 539 seconds
- B. 590 seconds
- C. 460 seconds
- D. 196 seconds
- E. 591 seconds
Answer: A
NEW QUESTION 78
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. use a OneConnect profile
- C. change the Adaptive Reaping High watermark
- D. allocate less memory to the RAM cache feature
Answer: A
NEW QUESTION 79
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?
- A. Increase Maximum Header Count
- B. Increase Maximum Requests
- C. Increase Maximum Header size
- D. Decrease Maximum Header size
- E. Decrease Maximum Header Count
- F. Decrease Maximum Requests
Answer: C
NEW QUESTION 80
Active connections to pool members are unevenly distributed. The load balancing method is Least Connections (member) Priority Group Activation is disabled. What is a potential cause of the event distribution?
- A. Priority Group Activation is disabled
- B. SSL Profile Server is applied
- C. Persistence profile is applied
- D. incorrect load balancing method
Answer: C
NEW QUESTION 81
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
An LTM Specialist is troubleshooting an issue with SSL and is receiving the error shown when connecting to the virtual server. When connecting directly to the pool member, clients do NOT receive this message, and the application functions correctly. The LTM Specialist exports the appropriate certificate and key from the pool member and imports them into the LTM device. The LTM Specialist then creates the Client SSL profile and associates it with the virtual server.
What is the issue?
- A. The SSL certificate and key do NOT match.
- B. The common name on the SSL certificate does NOT match the hostname of the site.
- C. The SSL certificate and key have expired.
- D. The client CANNOT verify the certification path.
Answer: D
NEW QUESTION 82
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
A pair of LTM devices are deployed in a high-availability (HA) pair as the diagram shows. After inserting a new rule on the firewalls, the LTM devices become Standby. The rule drops all outbound sessions to the Internet. Only inbound connections are allowed from the Internet. There are no other changes to the environment.
What triggered the LTM device failover?
- A. Auto Failback
- B. HA Group
- C. VLAN Failsafe
- D. Gateway Failsafe
Answer: D
NEW QUESTION 83
A client (10.10.1.30) connecting to an HTTPS virtual server (10.10.1.100) with a clientssl profile is getting an SSL error.
Which options will trace this issue?
- A. tcpdump -i external -X -e -nn -vvv -w /shared/ssl_problem.cap port 443 and host 10.10.1.30 ssldump -r /shared/ssl_problem.cap -n -x
- B. tcpdump -i external -X -e -nn -vv port 443 and host 10.10.1.100 and host 10.10.1.30 >
/shared/ssl_problem.cap
ssldump -n -x < /shared/ssl_problem.cap - C. tcpdump -i external -s 0 -w /shared/ssl_problem.cap port 443 and host 10.10.10.30 and host 10.10.1.100 ssldump -r /shared/ssl_problem.cap -n -x
- D. tcpdump -i external -X -s 0 -vvv src host 10.10.10.30 and dst host 10.10.1.100 and port 443 >
/shared/ssl_problem.cap
ssldump -r /shared/ssl_problem.cap -n -x
Answer: C
NEW QUESTION 84
An LTM Specialist is investigating reports from users that SSH connections are being terminated unexpectedly. SSH connections are load balanced through a virtual server. The users experiencing this problem are running SQL queries that take upwards of 15 minutes to return with no screen output. The virtual server is standard with a pool associated and no other customizations.
What is causing the SSH connections to terminate?
- A. The virtual server has no persistence.
- B. The pool has Reselect Retries set to 0.
- C. UDP IP ToS
- D. TCP idle timeout
Answer: D
NEW QUESTION 85
Traffic to a pool of SFTP servers that share storage must be balanced by an LTM device.
What are therequired profile and persistence settings for a standard virtual server?
- A. tcp, ftp - Source address persistence
- B. tcp, ctientsst, ftp serverssl persistence
- C. tcp - no persistence profile will be used
- D. tcp, clientssl, serverssl persistence
Answer: A
NEW QUESTION 86
A BIG-IP Administrator needs to remove a pool specific health monitor. There is a pool named Best Pool with two members, one named Best pool member and one named Best pool member2. In the Local Traffic section of the administrative GUI, which stops should the BIG-IP Administrator take to remove a pool level monitor?
- A. Pool > Pool List > Best Pool > Members > Health Monitors
- B. Monitors > Monitor Name> Instances
- C. Pool > Pool List> Best Pool > Health Monitors
- D. Nodes > Node List> Best _pool_memberl > Heath Monitors
Answer: C
NEW QUESTION 87
A BIG-IP Administrator creates an HTTP Virtual Server using an iApp template. After the Virtual Server is created, the user requests to change the destination IP addresses. The BIG-IP Administrator tries to change the destination IP address from 10.1.1.1 to 10.2.1.1 in Virtual Server settings, but receives the following error:
The application service must be updated using an application management interface What is causing this error?
- A. The IP addresses used are NOT from the same subnet as the Self IP.
- B. The Application Services have Strict Updates enabled.
- C. The Application Service was NOT deleted before making the IP address change.
- D. The IP addresses are already in use.
Answer: B
Explanation:
Explanation
Strict Updates : Indicates whether the application service is tied to the template, so when the template is updated, the application service changes to reflect the updates.
NEW QUESTION 88
A BIG-IP Administrator is working with a BIG-IP device and discovers that one of the Interfaces on a Trunk is DOWN.
What is the reason for this Interface status?
- A. There is NO transceiver installed on the Interface
- B. There is NO default route configured for this trunk
- C. The switch is NOT connected to the Interface
- D. The media speed of the interface has NOT been set
Answer: C
NEW QUESTION 89
-- Exhibit -
-- Exhibit --
Refer to the exhibits.
An LTM Specialist is reconfiguring a virtual server to redirect all clients to HTTPS. Testing reveals that the redirect is functioning incorrectly. As part of the troubleshooting process, the LTM Specialist performs a packet capture.
What is the issue?
- A. The virtual server is incorrectly processing the HTTP request.
- B. The redirect is causing an infinite loop.
- C. The virtual server is missing a clientssl profile.
- D. The redirect is sending the client to the incorrect location.
Answer: D
NEW QUESTION 90
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. University
- B. Health
- C. Bug Tracker
- D. DevCentral
Answer: D
NEW QUESTION 91
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