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F5 303 certification exam is designed to validate the skills and knowledge of professionals working with F5 BIG-IP Application Security Manager (ASM). BIG-IP ASM Specialist certification is intended for individuals who have a solid understanding of networking concepts and are proficient in configuring and managing BIG-IP ASM deployments. The F5 303 exam is a significant milestone for professionals who wish to demonstrate their expertise in application security management and enhance their career prospects.
The F5 303 exam is intended for professionals with a strong background in networking, security, and application development. Candidates are expected to have experience with BIG-IP ASM, including configuring and managing policies, creating custom signatures, and understanding the different attack vectors that ASM protects against. Additionally, candidates should have a good understanding of web application security concepts such as OWASP Top 10, HTTP protocols, and SSL/TLS.
To prepare for the F5 303 exam, candidates can take advantage of various resources offered by F5 Networks, such as training courses, study guides, and practice exams. F5 also offers a community forum where candidates can interact with other professionals and experts to gain additional insights and tips. Additionally, candidates can gain practical experience by working with F5 BIG-IP ASM solutions in real-world scenarios.
NEW QUESTION # 189
Windows PC clients are connecting to a virtual server over a high-speed, low-latency network with no packet loss.
Which built-in client-side TCP profile provides the highest throughput for HTTP downloads?
- A. tcp-lan-optimized
- B. tcp-wan-optimized
- C. tcp
- D. tcp-legacy
Answer: A
NEW QUESTION # 190
A design requires the LTM device to become HA standby when the one of the two physical interface on the External trunk is down the Externaltrunk is an interface on the External VLAN Which TMOS command enables this behavior?
- A. tmsh create sys ha-group External trunks add ( External( attribute percent up-members 100))
- B. tmsh modify net van External failsafe enabled
- C. tmsh create sys ha-group External trunks add External threshold 2 weight 101)
- D. tmsh create sys ha-group External trunks add Externally
Answer: C
NEW QUESTION # 191
The web application team requests help from the LTM Specialist to Improve the performance of their web sites that are load balanced by the F5 LTM device with a Standard Virtual Server.
Which virtual server type will improve the performance of the web application servers?
- A. Performance (Layer 4)
- B. Stateless
- C. Forwarding (IP)
- D. Performance (HTTP)
Answer: D
NEW QUESTION # 192
A BIG-IP Administrator needs to purchase new licenses for a BIG-IP appliance.
The administrator needs to know if a module is licensed and the memory requirement for that module.
Where should the administrator view this information in the System menu?
- A. Configuration > Device
- B. Software Management
- C. Configuration >OVSDB
- D. Resource Provisioning
Answer: D
NEW QUESTION # 193
The BIG-IP Administrator disable all pool members in a pool Users are still able to reach the pool members.
What is allowing users to continue to reach the disabled poo! members?
- A. A slow to time on Pool
- B. A slow ramp time on virtual Server
- C. A persistence profile on the Pool
- D. A persistence profile on the Virtual Server
Answer: D
NEW QUESTION # 194
An LTM Specialist plans to enable connection mirroring for a virtualserver in an HA environment.
What must the LTM Specialist consider before implementing the configuration change?
- A. Decreased number of possible concurrent connections to that virtual server
- B. The add-on license that is required for this feature to be available
- C. Creating the required separate interface for connection mirroring
- D. Impact on system performance that might be noticeable
Answer: D
Explanation:
Explanation
Connection mirroring will bring performance consumption
NEW QUESTION # 195
A set of servers is used for an FTP application as well as an HTTP website via separate BIG-IP Pools. The server support team reports that some servers are receiving a lot more traffic than others.
Which Load Balancing Method should the BIG-IP Administrator apply to even out the connection count?
- A. Ratio (Node)
- B. Ratio (Member)
- C. Least Connections (Member)
- D. Least Connections (Node)
Answer: D
Explanation:
Explanation
The connection is required to be balanced, and the unit is the server and the application port is the unit, so it is node.
NEW QUESTION # 196
An LTM Specialist needs to rewrite text within an HTML response from a web server. A client is sending the following HTTP request:
GET / HTTP/1.1
Host: www.example.com
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/20100101 Firefox/16.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-LanguagE. en-US,en;q=0.5 Accept-EncodinG. gzip, deflate Cache-Control: no-cache Connection: keep-alive CookiE. somecookie=1 HTTP/1.1 200 OK Server: Apache/2.2.15 (Unix) Last-ModifieD. Wed, 12 Aug 2009 00:00:30 GMT Accept-Ranges: bytes Content-LengtH. 1063 X-Cnection: close Content-TypE. text/html; charset=UTF-8 Vary: Accept-Encoding Content-EncodinG. gzip Connection: Keep-Alive Although a stream profile has been added to the virtual server, the content within the HTTP response is NOT being matched and therefore NOT modified.
Which header field is contributing to the issue?
- A. User-Agent Value
- B. HTTP Method
- C. Accept-Encoding header
- D. Cookie content
Answer: C
NEW QUESTION # 197
During a high-demand traffic event, the BIG-IP Administrator needs to limit the number of new connections per second allowed to a Virtual Server.
What should the administrator apply to accomplish this task?
- A. A OneConnect profile to the Virtual Server
- B. A connection limit to the Virtual Server
- C. A connection rate limit to the Virtual Server
- D. An HTTP Compression profile to the Virtual Server
Answer: C
NEW QUESTION # 198
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. an HTTP Compression profile
- B. a SPDY profile
- C. smaller key to the SSL profile
- D. a One Connect profile
Answer: D
NEW QUESTION # 199
An LTM Specialist is creating a custom EAV monitor.
In which directory should the LTM Specialist upload the script?
- A. /usr/bin/monitors
- B. /config/templates
- C. /usr/monitors
- D. /config/monitors
- E. /usr/monitor
Answer: D
NEW QUESTION # 200
An LTM device an application that requires all connections to be secured via SSL The device must verify that request contain a specific cookie before allowing the request to be sent to the pool member.
Which virtual server type should an LTM Specialist configure on the LTM device?
- A. Performance (Layer 4)
- B. Performance (HTTP)
- C. Stateless
- D. Forwarding (IP)
- E. Standard
Answer: E
NEW QUESTION # 201
-- 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 # 202
A BIG-IP Administrator needs to view the CPU utilization of a particular Virtual Server. Which section of the Configuration Utility should the administrator use for this purpose?
- A. Statistics > Module Statistics > Traffic Summary
- B. Statistics > Module Statistics > Local Traffic > Virtual Addresses
- C. Statistics > Analytics > Process CPU Utilization
- D. Statistics > Module Statistics > Local Traffic > Virtual Servers
Answer: D
NEW QUESTION # 203
A BIG-IP Administrator must configure the BIG-IP device to send system log messages to a remote syslog server In addition, the log messages need to be sent over TCP for guaranteed delivery. What should the BIG-IP Administrator configure?
- A. Request Logging Profile
- B. Remote Logging
- C. HSL Logging
- D. syslog-ng
Answer: B
NEW QUESTION # 204
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 AVR module
- C. the Dashboard
- D. the Performance panel
Answer: B
NEW QUESTION # 205
Which file should the BIG-IP Administrator check to determine when a Virtual Server changed its status
- A. /var/log/monitors
- B. /var/log/lastlog
- C. /var/log/audit
- D. /var/log/tm
Answer: D
NEW QUESTION # 206
These log entries can have different root causes:
Jun 28 05:01:21 LTM_A notice mcpd[27545]: 0107143a:5: CMI reconnect timer: enabled Jun 28 05:01:21 LTM_A notice mcpd[27545]: 01071431:5: Attempting to connect to CMI peer 1.1.1.2 port
6699
Jun 28 05:01:21 LTM_A notice mcpd[27545]: 01071432:5: CMI peer connection established to 1.1.1.2 port
6699
Jun 28 05:01:26 LTM_A notice mcpd[27545]: 0107143a:5: CMI reconnect timer: disabled, all peers are connected Which two commands should be used to obtain additional information on these entries? (Choose two.)
- A. tmsh modify /sys db log.cmi.level value debug
- B. tmsh show /sys mcpd
- C. bigstart status mcpd
- D. tmsh modify /sys db log.mcpd.level value debug
Answer: C,D
NEW QUESTION # 207
A web application requires the client to provide the destination server and service identification.
Which HTTP header will supply this information?
- A. Host
- B. From
- C. Expect
- D. Connection
Answer: A
NEW QUESTION # 208
A BIG-IP Administrator reviews the Plane CPU Usage performance chart and discovers a high percentage of Control Plane utilization.
Which type of traffic does this indicate a higher usage of?
- A. Application
- B. Accelerated ,
- C. Tunnel
- D. Administrative
Answer: D
NEW QUESTION # 209
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. Change the virtual server to Standard add an http profile, and change the persistence profile to Cookie persistence
- C. Leave the virtual server type set Performance (Layer 4) and change the persistence type to hash
- D. Change the virtual serer type to Forwarding (Layer 4) and leave the persistence type tohash source Address
Answer: B
NEW QUESTION # 210
A pool with a default connection limit is configured to use Round Robin as the load balancing method. An LTM Specialist needs to ensure that the LTM device selects a serverwith the fewest number of connections when new clients connect. Another pool is using the same set of backend servers.
Which load balancing-method should the pool be changed to?
- A. Weighted Least Connections (member)
- B. Weighted Least Connections (node]
- C. Least Connections
- D. Least Connections
Answer: C
NEW QUESTION # 211
A BIG-IP Administrator reviews the log files to determine the cause of a recent problem and finds the following entry.
Mar 27.07.58.48 local/BIG-IP notice mcpd {5140} 010707275 Pool member 172.16.20.1.10029 monitor status down.
What is the cause of this log message?
- A. The pool member has been marked as Down by the BIG-IP Administrator.
- B. The monitor attached to the pool member has failed.
- C. The pool member has been disabled.
- D. The monitor attached to the pool member needs a higher timeout value.
Answer: B
NEW QUESTION # 212
A BIG-IP system has the following configuration:
* SNAT is set to Auto Map
* There are two VLANs internal and external
* Default route is pointed to the gateway on external VLAN
* Self P for internal VLAN is 1921.1.2
* Self IP for external VLAN is 192.1.2.2
* Floating IP addresses for internal VLAN is 192.1.1.1
* Floating IP addresses for external VLAN is 192.1.2.1
* The Virtual Server IP address is 192.1.1.100
Which IP address does the BIG-IP system use first when traffic reaches the servers on the internal VLAN?
- A. 192.1.2.2
- B. 192.1.1.100
- C. 192.1.1.1
- D. 192.1.2.1
Answer: C
NEW QUESTION # 213
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