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F5 301b Exam Syllabus Topics:
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Exam Blueprint
As was mentioned above, the F5 301B-LTM Specialist: Maintain and Troubleshoot test is the 2nd one in the series that the professional needs to pass to complete his or her F5-CTS, LTM certification. This exam verifies that candidates are able to perform basic F5 product designing and implementation tasks while knowing how to improve the efficacy of the Application Delivery Network. The score comes with two-year validity and requires one to get recertified before the expiration date.
All the F5 exams follow almost the same pattern. F5 301B is 90-minute long and consists of 80 questions. Out of these, only 70 are scored and the remaining 10 are beta or pilot items. The test is computer-based and the questions are mostly provided in the multiple-choice format while some of the tasks may be of the scenario-based type. The passing score is 245 out of 350. Finally, the registration fee is $180, excluding the local taxes.
Trustworthy Training Options
The extensive structure of the F5 301B exam demands more than commitment. It is needed that the aspirants have a hold over the best study material and acknowledged guidance to taste success in the test. Here are some worthy options:
- Live training
For acquiring expert-level cognizance in the most important F5 301B exam concepts, the vendor offers instructor-led training, Configuring BIG-IP LTM: Local Traffic Manager. Enrolling in it is an ideal way to learn in a classroom environment and have an ideal blend of lectures, extensive hands-on labs, and discussions. By following this course, one will build all the necessary skills and will have a better hold over the subject matter as well as more chances to secure passing grades easily.
Before you go for this training, it is suggested that you have completed the Administering BIG-IP instructor-led course, F5 Certified BIG-IP Administrator, along with optional Getting Started with BIG-IP and Getting Started with BIG-IP Local Traffic Manager (LTM) web-based courses.
- Free training courses by the vendor
F5 301B pursuers who don’t want to spend much and want quality assistance can aim at the free Getting Started with BIG-IP Local Traffic Manager (LTM) course. It includes web-based sessions divided into four modules and well-organized. By completing this training, candidates will understand all the key concepts of BIG-IP LTM systems and will be able to choose the proper method of using an iRule for customizing the traffic flow, utilize OneConnect, implement high availability, and many more.
NEW QUESTION 62
-- 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 theappropriate 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 client CANNOT verify the certification path.
- B. The common name on the SSL certificate does NOT match the hostname of the site.
- C. The SSL certificate and key do NOT match.
- D. The SSL certificate and key have expired.
Answer: A
NEW QUESTION 63
-- Exhibit- -- Exhibit -
Refer to the exhibit.
An LTM Specialist is troubleshooting a new HTTP monitor on a pool. The pool member is functioning correctly when accessed directly through a browser. However, the monitor is marking the member as down. The LTM Specialist captures the monitor traffic via tcpdump.
What is the issue?
- A. The pool member is rejecting the monitor request.
- B. The 'time-until-up' setting on the monitor is incorrect.
- C. The monitor request is NOT returning the page body.
- D. The server is marking the connection as closed.
Answer: C
NEW QUESTION 64
When re-licensing an LTM device from the command line interface, which tmsh command should the LTM Specialist use to generate the required information to provide on the F5 licensing portal?
- A. tmsh generate /sys dossier
- B. tmsh run /util get-dossier
- C. tmsh list /sys registration-key
- D. tmsh install /sys license registration-key
Answer: B
NEW QUESTION 65
-- Exhibit-
-- Exhibit --
Refer to the exhibit.
A user is unable to access an application.
What is the root cause of the problem?
- A. The 'Content-Length' is zero.
- B. The GET request uses the wrong syntax.
- C. The User-Agent is incorrect.
- D. The user failed authentication.
Answer: D
NEW QUESTION 66
-- Exhibit -
-- Exhibit -
Refer to the exhibit.
An LTM Specialist is working on an LTM 11.0.0 installation and has identified a security vulnerability as shown in the exhibit. The LTM Specialist is tasked with applying the latest available hotfix to resolve the problem.
Which procedure resolves the problem?
- A. Browse to System > Software Management > Hotfix List.
Import 11.1.0.HF3 to the available hotfix images.
Select the imported hotfix image and installation location and click Install. - B. Browse to System > Software Management > Image List.
Import TMOS 11.2.0 to the available hotfix images.
Select the imported hotfix image and installation location and click Install. - C. Browse to System > Software Management > Hotfix List.
Import TMOS 11.2.0 to the available hotfix images.
Select the imported hotfix image and installation location and click Install. - D. Browse to System > Software Management > Image List.
Import 11.1.0.HF3 to the available hotfix images.
Select the imported hotfix image and installation location and click Install.
Answer: A
NEW QUESTION 67
Given the iRule:
when HTTP_REQUEST {
if {([HTTP::username] ne "") and ([HTTP::password] ne "") } {
log local0. "client ip [IP::remote_addr] credentials provided [HTTP::username] [HTTP::password]"}
else {
pool old_application_pool
}
}
The associated virtual server has a default pool named new_application_pool.
Which functionality does the iRule provide?
- A. Allows clients without credentials to access the old_application_pool and logs the attempted access of clients without credentials to the new_application_pool.
- B. Allows clients with credentials to access the old_application_pool and logs the attempted access of clients with credentials to the new_application_pool.
- C. Allows clients without credentials to access the old_application_pool and logs the access of clients with credentials to the new_application_pool.
- D. Allows clients with credentials to access the old_application_pool and logs the access of clients without credentials to the new_application_pool.
Answer: C
NEW QUESTION 68
-- 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 has the tcpdump extract. The client loses connection with the LTM device.
Where is the reset originating?
- A. the destination device of the initial connection
- B. the local switch
- C. the application server
- D. the device initiating the connection
Answer: D
NEW QUESTION 69
-- Exhibit - -- Exhibit -
Refer to the exhibits.
An LTM Specialist configures a virtual server for an internal application to perform client-side encryption while allowing the server-side traffic to be unencrypted. Application users report that images are NOT loading through the virtual server; however, images load when going directly to the server.
What should the LTM Specialist configure to allow the images to load through the virtual server?
- A. Stream profile with target "http:" and source "https:"
- B. HTTP profile with "SSL Offload" disabled
- C. HTTP profile with "SSL Offload" enabled
- D. Stream profile with source "http:" and target "https:"
Answer: D
NEW QUESTION 70
An LTM Specialist is troubleshooting an HTTP monitor. The pool member is accessible directly through a browser, but the HTTP monitor is marking the pool member as down.
GET / HTTP/1.1
HTTP/1.1 400 Bad Request
DatE. Tue, 23 Oct 2012 21:39:07 GTM
Server: Apache/2.2.22 (FreeBSD) PHP/5.4.4
mod_ssl/2.2.22 OpenSSL/0.9.8q DAV/2
Content-LengtH. 226
Connection: close
Content-TypE. text/html; charset=iso-8859-1
Which issue is the pool member having?
- A. The pool member is NOT accepting requests from the LTM device IP address.
- B. The pool member has too many concurrent connections.
- C. The pool member is rejecting the request because it is invalid.
- D. The pool member lacks the object requested by the monitor.
Answer: C
NEW QUESTION 71
An LTM device is monitoring three pool members. One pool member is being marked down.
What should the LTM Specialist enable to prevent the server from being flooded with connections once its monitor determines it is up?
- A. packet shaping
- B. manual resume
- C. slow ramp timer
- D. fastest load balance algorithm
- E. hold down timer
Answer: C
NEW QUESTION 72
-- Exhibit- -- Exhibit -Refer to the exhibit. A client attempts to connect from a Google Chrome browser to a virtual server on a BIG-IP
LTM. The virtual server is SSL Offloaded. When the client connects, the client receives an SSL error. After trying Mozilla Firefox and Internet Explorer browsers, the client still receives the same errors.
The LTM Specialist does an ssldump on the virtual server and receives the results as per the exhibit.
What is the problem?
- A. The client needs to be upgraded to the appropriate cipher-suite.
- B. The SSL key length is incorrect.
- C. The BIG-IP LTM is NOT serving a certificate.
- D. The BIG-IP LTM is NOT listening on port 443.
Answer: C
NEW QUESTION 73
-- Exhibit- -- Exhibit -
Refer to the exhibit.
An LTM Specialist is troubleshooting a new HTTP monitor on a pool. The pool member is functioning correctly when accessed directly through a browser, although the monitor is marking the member as down. As part of the troubleshooting, the LTM Specialist has captured the monitor traffic via tcpdump.
How should the LTM Specialist resolve this issue?
- A. Modify the receive string to valid content.
- B. Add the 'icmp' monitor to the node.
- C. Correct the firewall rules on the pool member.
- D. Add the 'http' monitor to the pool.
Answer: A
NEW QUESTION 74
A virtual server for a set of web services is constructed on an LTM device. The LTM Specialist has created an iRule and applied this iRule to the virtual server:
when HTTP_REQUEST {
switch [HTTP::uri] {
"/WS1/ws.jsp" {
log local0. "[HTTP::uri]-Redirected to JSP Pool"
pool JSP
}
default { log local0. "[HTTP::uri]-Redirected to Non-JSP Pool"
pool NonJSP
}
}
}
However, the iRule is NOT behaving as expected. Below is a snapshot of the log:
/WS1/ws.jsp-Redirected to JSP Pool
/WS1/ws.jsp-Redirected to JSP Pool
/WS1/ws.jsp-Redirected to JSP Pool
/WS1/WS.jsp-Redirected to Non-JSP Pool
/ws1/WS.jsp-Redirected to Non-JSP Pool
/WS1/ws.jsp-Redirected to JSP Pool
/ws1/ws.jsp-Redirected to Non-JSP Pool
What is the problem?
- A. The "Process Case-Insensitivity" option for the virtual server needs to be selected.
- B. The pool members of both pools need to be set up as case-insensitive members.
- C. The condition in the iRule is case sensitive.
- D. The 'switch' command in the iRule has been used incorrectly.
Answer: C
NEW QUESTION 75
An IT administrator wants to log which server is being load balanced to by a user with IP address 10.10.10.25.
Which iRule should the LTM Specialist use to fulfill the request?
- A. when SERVER_CONNECTED {
if { [IP::addr [IP::remote_addr]] equals 10.10.10.25]} {
log local0. "client 10.10.10.25 connected to pool member [IP::addr [LB::server addr]]" }
} - B. when SERVER_CONNECTED {
if { [IP::addr [clientside [IP::remote_addr]] equals 10.10.10.25]} {
log local0. "client 10.10.10.25 connected to pool member [IP::addr [LB::server addr]]" }
} - C. when CLIENT_ACCEPTED {
if { [IP::addr [clientside [IP::remote_addr]] equals 10.10.10.25]} {
log local0. "client 10.10.10.25 connected to pool member [IP::addr [LB::server addr]]" }
} - D. when CLIENT_ACCEPTED {
if { [IP::addr [IP::remote_addr] equals 10.10.10.25]} {
log local0. "client 10.10.10.25 connected to pool member [IP::addr [LB::server addr]]" }
}
Answer: B
NEW QUESTION 76
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
A client attempts to connect from a Google Chrome browser to a virtual server on a BIG-IP LTM. The virtual server is SSL Offloaded. When the client connects, the client receives an SSL error. After trying Mozilla Firefox and Internet Explorer browsers, the client still receives the same errors.
The LTM Specialist does an ssldump on the virtual server and receives the results as per the exhibit.
What is the problem?
- A. The client needs to be upgraded to the appropriate cipher-suite.
- B. The SSL key length is incorrect.
- C. The BIG-IP LTM is NOT serving a certificate.
- D. The BIG-IP LTM is NOT listening on port 443.
Answer: C
NEW QUESTION 77
Which two subsystems could the LTM Specialist utilize to access an LTM device with lost management interface connectivity? (Choose two.)
- A. ILO
- B. SCCP
- C. AOM
- D. ALOM
Answer: B,C
NEW QUESTION 78
In preparation for a maintenance task, an LTM Specialist performs a "Force to Standby" on LTM device Unit 1. LTM device Unit 2 becomes active as expected. The maintenance task requires the reboot of Unit
1. Shortly after the reboot is complete, the LTM Specialist discovers that Unit 1 has become active and Unit 2 has returned to standby.
What would cause this behavior?
- A. Unit 1 is set with the redundancy state preference of active in devices groups.
- B. Unit 1 is set with the redundancy state preference of active in high availability.
- C. A device group is configured with Auto Failback, and Unit 1 is the default device.
- D. A traffic group is configured with Auto Failback, and Unit 1 is the default device.
Answer: D
NEW QUESTION 79
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. Reset on Timeout
- B. Loose Initiation
- C. Generate Initial Sequence Number
- D. Loose Close
Answer: B
NEW QUESTION 80
An LTM Specialist configures two LTM devices in a high-availability pair with trusts established and device groups configured properly using network failover. After several months, the LTM Specialist notices that changes made to one LTM device do NOT cause the synchronization status to update to "changes pending," and this device does NOT synchronize with the device group.
Which two steps should the LTM Specialist take to identify the issue? (Choose two.)
- A. Verify that NTP is synchronized.
- B. Verify that the devices are not using self-signed certificates.
- C. Verify the network connectivity between the devices.
- D. Verify that ConfigSync is using the management IP address.
- E. Verify that port lockdown on the ConfigSync interface is set to allow port 1026.
Answer: A,C
NEW QUESTION 81
-- Exhibit- -- Exhibit -
Refer to the exhibits.
A customer requests to offload SSL for an internal website. The front page of the website loads correctly; however, selecting links on the page fails.
How should the LTM Specialist fix the issue?
- A. Create a new HTTP profile.
Enable Insert X-Forwarded-For.
Add the new HTTP profile to the VS. - B. Create a new Server SSL profile.
Enable Proxy SSL.
Add the Server SSL profile to the VS. - C. Create a new SNAT pool.
Add internal network IPs to the SNAT pool.
Add the SNAT pool to the VS. - D. Create a new HTTP profile.
Enable redirect rewrite.
Add the new HTTP profile to the VS.
Answer: D
NEW QUESTION 82
......
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