(2023) PASS 303 Exam Free Practice Test with 100% Accurate Answers
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To be eligible for the F5 303 certification exam, candidates must have a strong understanding of networking and security fundamentals, as well as experience with F5 BIG-IP ASM. Candidates should also have experience with security policies and practices, along with a general understanding of web application security. The exam is intended for experienced professionals who are looking to advance their careers in the field of application security.
The F5 303 exam is a comprehensive and challenging test that requires candidates to demonstrate their knowledge and skills through a combination of multiple-choice and performance-based questions. It is recommended that candidates have at least six months of experience working with the BIG-IP ASM system before attempting the exam.
The F5 303 exam evaluates the competency of candidates in areas such as application security concepts, ASM deployment, configuration, and management, policy creation and management, and troubleshooting. In addition, the certification exam also covers topics such as SSL/TLS inspection, vulnerability assessment, and web application firewall (WAF) configuration. The exam comprises of 80 multiple-choice and scenario-based questions, and candidates are allotted 90 minutes to complete the test.
NEW QUESTION # 308
What is the effect of an iRule error such as referencing an undefined variable?
- A. The iRule execution will continue with the next statement.
- B. The iRule execution will be terminated, and both the client and server side connections will be reset.
- C. The execution of the current event within the iRule will be terminated.
- D. The connection will continue, but the iRule will NOT be executed again for the lifetime of the connection.
Answer: B
NEW QUESTION # 309
An LTM Specialist has just captured trace /var/tmp/trace.cap for site www.example.com while listening on virtual address 10.0.0.1:443 configured on partition ApplicationA. The data payload being captured is SSL encrypted.
Which command should the LTM Specialist execute to decrypt the data payload?
- A. ssldump -Aed -nr /var/tmp/trace.cap -k
/config/filestore/files_d/ApplicationA_d/certificate_key_d/:ApplicationA:www.example.com.key_1 - B. ssldump -Aed -nr /var/tmp/trace.cap -k
/config/filestore/files_d/Common_d/certificate_key_d/:Common:www.example.com.key_1 - C. ssldump -Aed -nr /var/tmp/trace.cap -k
/config/filestore/files_d/ApplicationA_d/certificate_d/:ApplicationA:www.example.com.crt_1 - D. ssldump -Aed -nr /var/tmp/trace.cap -k
/config/filestore/files_d/Common_d/certificate_d/:Common:www.example.com.crt_1
Answer: B
NEW QUESTION # 310
A BIG-IP Administrator finds the following log entry after a report of user issues connecting to a virtual server:
01010201: 2: Inet port exhaustion on 10.70.110.112 to 192.28.123.250:80 (proto 6) How should the BIG-IP Administrator modify the SNAT pool that is associated with the virtual server?
- A. Increase the timeout of the SNAT addresses.
- B. Add an address to the SNAT pool.
- C. Remove an IP address from the SNAT pool.
- D. Remove the SNAT pool and apply SNAT Automap.
Answer: B
NEW QUESTION # 311
Which Standard Virtual Server settings should an LTM Specialist use toload balance across routed path of two different ISPs?
- A. both address and port translation disabled
- B. address translation enabled and port translation disabled
- C. address translation disabled and port translation enabled
- D. both address and port translation enabled
Answer: D
NEW QUESTION # 312
-- Exhibit -
-- Exhibit --
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\nHTTP/1.0\r\n\r\n
- B. GET / HTTP/1.0\r\n\r\n
- C. GET /\r\nHost: \r\n\r\n
- D. GET /\r\n\r\n
Answer: B
NEW QUESTION # 313
An LI M device is experiencing a high volume of traffic. The virtual server is struggling under the load. The problem appears to be on the server side connections. The virtual server isaccepting connections . The virtual server is accepting connections on https and is configured with an SSL profile and http pool.
What should be added to increase the performance of the device?
- A. smaller key to the SSL profile
- B. a SPDY profile
- C. a One Connect profile
- D. an HTTP Compression profile
Answer: C
NEW QUESTION # 314
A BIG-IP Administrator makes a configuration change to the BIG-IP device. Which file logs the message regarding the configuration change?
- A. /var/log/user.log
- B. /var/log/secure
- C. /var/log/audit
- D. /var/log/messages
Answer: C
Explanation:
Explanation
About audit logging
Audit logging is an optional feature that togs messages whenever a BIG-IP system object, such as a virtual server or a load balancing pool, is confined (that is. created, modified, or deleted). The BiGIP system logs the messages for these auditing events in the file /var/log'audit There are three ways that objects can be configured
* By user action
* By system action
* By loading configuration data
Whenever an object is configured in one of these ways, the BIG-IP system logs a message to the audit log
NEW QUESTION # 315
The output of a tmsh command is: ------------------------------------------------------------ Net::Interface Name Status Bits Bits Errs Errs Drops Drops Colli In Out In Out In Out sions
------------------------------------------------------------ 1.1 down 0 0 0 0 0 0 0 1.2 up 191.4K 0 0 0 374 0 0 1.3 down 0 0 0 0 0 0 0 1.4 up 22.5K 0 0 0 44 0 0 2.1 miss 0 0 0 0 0 0 0 2.2 miss 0 0 0 0 0 0 0 mgmt up 43.2G
160.0G 0 0 0 0 0
Which command was executed on the LTM device to show the output?
- A. tmsh /net show interface status
- B. tmsh show /net interface status
- C. tmsh /net show interface
- D. tmsh show /net interface
Answer: D
NEW QUESTION # 316
-- 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 must determine the cause of the problem.
The LTM Specialist is seeing a client source IP of 168.210.232.5 in the tcpdump. However, the client source IP is actually 10.123.17.12.
Why does the IP address of 10.123.17.12 fail to appear in the tcpdump?
- A. Network Address Translation (NAT) has occurred in the path between the client and the LTM device.
- B. The Secure Network Address Translation (SNAT) pool on the virtual server is activated.
- C. The individual's data stream is being routed to the LTM device by a means other than the default route.
- D. The LTM device performed NAT on the individual's IP address.
Answer: A
NEW QUESTION # 317
Refer to the Exhibit.
An LTM Specialist notices that two members in a pool are overloaded. To relive the existing members a fourth member (10.128.20.14) is brought up.
How many member will receive and process new connections?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 318
An application is expected to maintain more than 100,000concurrent TCP connections to a single pool member.
What is an appropriate SNAT configuration in this situation?
- A. A static SNAT
- B. SNAT automap enabled
- C. A SNAT pool with 4 IP addresses
- D. A SNAT pool with IP address
Answer: C
Explanation:
Explanation
One IP can establish 65,535 connections only the number of snapit's IP exceeds 100,000. AT least two snaptips are required. Options B, C, and all have only IP, which is obviously not enough
NEW QUESTION # 319
The BIG-IP Administrator needs to ensure the correct health monitor is being used lor a new HTTP pool named P_example.
Where should the BIG-IP Administrator validate these settings in the Configuration Utility?
- A. Local Traffic > Pools > P_ example
- B. Local Traffic > Nodes > Default Monitor
- C. Local Traffic > Monitors > http
- D. Local Traffic > Profiles > Services > HTTP > http
Answer: A
NEW QUESTION # 320
A 8IG-IP Administrator configures a node with a standard icmp Health Monitor. The Node shows as DOWN although the Backend Server is configured to answer ICMP requests. Which step should the administrator take next to find the root cause of this issue?
- A. Run a qkview
- B. Run a curl Run a qkview
- C. Runatcpdump
- D. Runanssldump
Answer: C
NEW QUESTION # 321
Refer to the exhibit.
How many nodes are represented on the network map shown?
- A. Two
- B. Four
- C. Three
- D. One
Answer: C
NEW QUESTION # 322
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. Range
- C. Expect
- D. Content-Length
Answer: D
NEW QUESTION # 323
An LTM Specialist needs to apply SNAT using currently used SNAT pool to a new virtual server.
What needs to be completed before applying that configuration change?
- A. Review connection for the selected SNAT pool and enlarge it if appropriate
- B. Verify that the IP address of the SNAT pool are in the same subnetas the pool members
- C. Verify that the IP address of the SNAT pool are in the same VLAN as the pool members.
- D. Make sure that the BIG-IP device is NOT operating under heavy load during peak times
Answer: A
Explanation:
Explanation
SNAT does not need to in the same vlan or same network segment as the pool member, as long as the route is reachable ,excluding C and D he connection information of the SNAT pool to avoid port exhaustion under high concurrency
NEW QUESTION # 324
Refer to the exhibit.
Which two pool members are eligible to receive new connections? (Choose two)
- A. 10.21.0.105.80
- B. 10.21.0.104.80
- C. 10.21.0.102.80
- D. 10.21.0.103.80
- E. 10.21.0.101.80
Answer: B,E
NEW QUESTION # 325
An LTM Specialist is customizing local traffic logging.
Which traffic management OS alert level provides the most detail?
- A. Notice
- B. Informational
- C. Emergency
- D. Alert
- E. Critical
Answer: B
NEW QUESTION # 326
To increase available bandwidth of an existing Trunk, the BIG-IP Administrator is adding additional interfaces.
Which command should the BIG-IP Administrator run from within bosh shell?
- A. tmsh create/sys trunk trunk_A interfaces add {1.3.1.4}
- B. tmsh modify/sys trunk trunk^A interfaces add {1.3.1.4}
- C. tmsh modify /net trunk trunk_A interfaces add {1.3.1.4}
- D. tmsh create /net trunk trunk_A interfaces add {1.3.1.4}
Answer: C
NEW QUESTION # 327
-- 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. Assign a custom HTTP monitor to the pool.
- B. Increase the TCP timeout value in the default TCP profile.
- C. Verify the default gateway on the application servers.
- D. Verify that port lockdown is set to allow port 80.
- E. Enable SNAT automap on the virtual server.
Answer: C,E
NEW QUESTION # 328
Given this as the first packet displayed of an ssldump:
2 2 1296947622.6313 (0.0001) S>CV3.1(74) Handshake
ServerHello
Version 3.1
random[32]=
19 21 d7 55 c1 14 65 63 54 23 62 b7 c4 30 a2 f0
b8 c4 20 06 86 ed 9c 1f 9e 46 0f 42 79 45 8a 29
session_id[32]=
c4 44 ea 86 e2 ba f5 40 4b 44 b4 c2 3a d8 b4 ad
4c dc 13 0d 6c 48 f2 70 19 c3 05 f4 06 e5 ab a9
cipherSuite TLS_RSA_WITH_RC4_128_SHA
compressionMethod NULL
In reviewing the rest of the ssldump, the application data is NOT being decrypted.
Why is ssldump failing to decrypt the application data?
- A. The BigDB Key Log.Tcpdump.Level needs to be adjusted.
- B. The application data is encrypted with SSLv3.
- C. The application data is encrypted with TLSv1.
- D. The data is contained within a resumed TLS session.
Answer: D
NEW QUESTION # 329
A local user account (Users) on the BIG-IP device is assigned the User Manager role. Userl attempts to modify the properties of another account (User2), but the action fails. The BIG-IP Administrator can successfully modify the User2 account.
Assuming the principle of least privilege, what is the correct way to allow User 1 to modify User2 properties?
- A. Move User to the same partition as User2.
- B. Grant User1 administrative privileges
- C. Move User2 to the same partition as User1
- D. Modify the partition access for User 1
Answer: D
NEW QUESTION # 330
What should an LTM Specialist configure on an LTM device to send AVR notification emails?
- A. Email notification to be sent via iControl from the LTM device
- B. Email notification to be sent via SMTP from the LTM device
- C. Custom SNMP traps on the LTM device for AVR notifications
- D. Syslog on the LTM device to send to an SMTP server
Answer: B
NEW QUESTION # 331
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