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F5 Networks Certification Study Materials 301b Exam and Certification Test Engine
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The F5 BIG-IP Local Traffic Manager (LTM) Specialist: Maintain & Troubleshoot 301b Exam certification is an internationally-recognized validation that identifies persons who earn it as possessing skilled as F5 Certified Technology Specialists. If a candidate wants significant improvement in career growth needs enhanced knowledge, skills, and talents. The F5 BIG-IP Local Traffic Manager (LTM) Specialist: Maintain & Troubleshoot 301b Exam certification provide proof of this advanced knowledge and skill. If a candidate passed the prerequisite of this exam that is F5 LTM Specialist: Architect, Setup, and Deploy 301a Exam and has knowledge of associated technologies and skills that are required to pass F5 BIG-IP Local Traffic Manager (LTM) Specialist: Maintain & Troubleshoot 301b Exam then he should take this exam.
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NEW QUESTION 72
-- 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 have expired.
- B. The client CANNOT verify the certification path.
- C. The SSL certificate and key do NOT match.
- D. The common name on the SSL certificate does NOT match the hostname of the site.
Answer: B
NEW QUESTION 73
-- 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 source "http:" and target "https:"
- B. Stream profile with target "http:" and source "https:"
- C. HTTP profile with "SSL Offload" enabled
- D. HTTP profile with "SSL Offload" disabled
Answer: A
NEW QUESTION 74
-- Exhibit-
-- Exhibit --
Refer to the exhibits.
An LTM Specialist is troubleshooting an issue with one of the virtual servers on an LTM device, and all requests are receiving errors. Testing directly against the server generates no errors. The LTM Specialist has captured the request and response on both client and server sides of the LTM device.
What should the LTM Specialist do to fix this issue?
- A. Assign OneConnect profile to the virtual server.
- B. Set "redirect-rewrite" to "selective" in http profile.
- C. Configure SNAT Automap on the virtual server.
- D. Remove "header-erase Host" in http profile.
Answer: D
NEW QUESTION 75
A stand-alone LTM device is to be paired with a second LTM device to create an active/standby pair. The current stand-alone LTM device is in production and has several VLANs with floating IP addresses configured.
The appropriate device service clustering (DSC) configurations are in place on both LTM devices.
Which two non-specific DSC settings should the LTM Specialist configure on the second LTM device to ensure no errors are reported when attempting to synchronize for the first time? (Choose two.)
- A. pools
- B. self IP addresses
- C. VLANs
- D. default route
Answer: B,C
NEW QUESTION 76
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 the network connectivity between the devices.
- B. Verify that port lockdown on the ConfigSync interface is set to allow port 1026.
- C. Verify that ConfigSync is using the management IP address.
- D. Verify that the devices are not using self-signed certificates.
- E. Verify that NTP is synchronized.
Answer: A,E
NEW QUESTION 77
Given LTM device ltm log:
Sep 26 20:51:08 local/lb-d-1 notice promptstatusd[3695]: 01460006:5: semaphore mcpd.running(1) held Sep 26 20:51:08 local/lb-d-1 notice promptstatusd[3695]: 01460006:5:
Sep 26 20:51:08 local/lb-d-1 warning promptstatusd[3695]: 01460005:4: mcpd.running(1) held, wait for mcpd
Sep 26 20:51:08 local/lb-d-1 info sod[3925]: 010c0009:6: Lost connection to mcpd - reestablishing.
Sep 26 20:51:08 local/lb-d-1 err bcm56xxd[3847]: 012c0004:3: Lost connection with MCP: 16908291 ...
Exiting bsx_connect.cpp(174)
Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0012:6: MCP Exit Status Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0012:6: Info: LACP stats (time now:1348717868) :
no traffic
Sep 26 20:51:08 local/lb-d-1 info bcm56xxd[3847]: 012c0014:6: Exiting...
Sep 26 20:51:08 local/lb-d-1 err lind[3842]: 013c0004:3: IO error on recv from mcpd - connection lost Sep 26 20:51:08 local/lb-d-1 notice bigd[3837]: 01060110:5: Lost connection to mcpd with error 16908291, will reinit connection.
Sep 26 20:51:08 local/lb-d-1 err statsd[3857]: 011b0004:3: Initial subscription for system configuration failed with error ''
Sep 26 20:51:08 local/lb-d-1 err statsd[3857]: 011b0001:3: Connection to mcpd failed with error
'011b0004:3: Initial subscription for system configuration failed with error ''' Sep 26 20:51:08 local/lb-d-1 err csyncd[3851]: 013b0004:3: IO error on recv from mcpd - connection lost
.............skipping more logs.....
Sep 26 20:51:30 local/lb-d-1 notice sod[3925]: 01140030:5: HA proc_running bcm56xxd is now responding.
Sep 26 20:51:34 local/lb-d-1 notice sod[3925]: 01140030:5: HA proc_running mcpd is now responding.
Sep 26 20:51:34 local/lb-d-1 notice sod[3925]: 010c0018:5: Standby
Which daemon failed?
- A. bcm56xxd
- B. promptstatusd
- C. sod
- D. mcpd
- E. lind
Answer: D
NEW QUESTION 78
-- Exhibit-
-- Exhibit -
Refer to the exhibits.
Users are able to access the application when connecting directly to the web server but are unsuccessful when connecting to the virtual server. Return traffic bypasses the LTM device using Layer 2 nPath routing.
Which configuration change resolves this problem?
- A. Enable a SNAT pool on the LTM device.
- B. Configure the virtual server to listen on port 80 on the LTM device.
- C. Disable address translation on the LTM device.
- D. Configure the VIP address on the loopback interface of the web server.
- E. Configure a route on the web server to the client subnet.
Answer: D
NEW QUESTION 79
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 with credentials to access the old_application_pool and logs the access of clients without credentials to the new_application_pool.
- B. Allows clients without credentials to access the old_application_pool and logs the access of clients with credentials to the new_application_pool.
- C. Allows clients with credentials to access the old_application_pool and logs the attempted access of clients with credentials to the new_application_pool.
- D. Allows clients without credentials to access the old_application_pool and logs the attempted access of clients without credentials to the new_application_pool.
Answer: B
NEW QUESTION 80
An LTM Specialist configures the following iRule on an LTM device:
when HTTP_REQUEST {
if {[string tolower [HTTP::uri]] contains "/URI1/" } {
pool Pool1
} elseif {[string tolower [HTTP::uri]] contains "/URI2/" } { pool Pool2 } elseif {[string tolower [HTTP::uri]] contains "/URI3/" } { pool Pool3 } else { pool Pool4}
}
Given the following request: http://www.example.comURI1/index.html?fu=bar&pass=1234
Which pool will be selected by the iRule?
- A. Pool2
- B. Pool1
- C. Pool4
- D. Pool3
Answer: C
NEW QUESTION 81
Given:
Filesystem Size Used Avail Use% Mounted on
/dev/md11 248M 248M 0 100% /
/dev/md13 3.0G 76M 2.8G 3% /config
/dev/md12 1.7G 1.1G 476M 71% /usr
/dev/md14 3.0G 214M 2.6G 8% /var
/dev/md0 30G 2.2G 26G 8% /shared
/dev/md1 6.9G 288M 6.3G 5% /var/log
none 3.9G 452K 3.9G 1% /dev/shm
none 3.9G 19M 3.9G 1% /var/tmstat
none 3.9G 1.2M 3.9G 1% /var/run
prompt 4.0M 12K 4.0M 1% /var/prompt
/dev/md15 12G 8.3G 3.1G 74% /var/lib/mysql
Which command is used to produce this output?
- A. df
- B. vmstat
- C. lsof
- D. ps
- E. du
Answer: A
NEW QUESTION 82
A user is having issues with connectivity to an HTTPS virtual server. The virtual server is on the LTM device's external vlan, and the pools associated with the virtual server are on the internal vlan. An LTM Specialist does a tcpdump on the external interface and notices that the host header is incomplete.
In which location should the LTM Specialist put a traffic analyzer to gather the most pertinent data?
- A. external VLAN
- B. server
- C. client machine
- D. internal VLAN
Answer: C
NEW QUESTION 83
An LTM Specialist troubleshooting an issue looks at the following /var/log/ltm entries:
Oct 2 04:52:42 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5 to
10.143.147.150:53
(proto 17)
Oct 2 05:37:16 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5 to
10.143.147.150:53
(proto 17)
Oct 2 05:57:32 slot1/tmm2 crit tmm2[21729]: 01010201:2: Inet port exhaustion on 10.143.109.5 to
10.143.147.150:53
(proto 17)
Oct 2 06:30:03 slot1/tmm7 crit tmm7[21734]: 01010201:2: Inet port exhaustion on 10.143.109.5 to
10.143.147.150:53
(proto 17)
Oct 2 06:37:44 slot1/tmm2 crit tmm2[21729]: 01010201:2: Inet port exhaustion on 10.143.109.5 to
10.143.147.150:53
(proto 17)
Oct 2 06:47:05 slot1/tmm5 crit tmm5[21732]: 01010201:2: Inet port exhaustion on 10.143.109.5 to
10.143.147.150:53
(proto 17)
Which configuration item should the LTM Specialist review to fix the issue?
- A. Port Lockdown
- B. SNAT Pool
- C. Pool Member
- D. Virtual Server Port Translation
Answer: B
NEW QUESTION 84
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
An HTTP monitor always marks the nodes in the pool as down. The monitor's definition and the HTTP headers from the monitor request and response are provided.
What is the issue?
- A. The send string is incorrect.
- B. The monitor is NOT configured to follow the redirect.
- C. The monitor timeout is too short.
- D. The response is compressed.
Answer: A
NEW QUESTION 85
A high-availability (HA) pair configuration uses only the hardwire serial cable connection to determine device state. A power outage occurs to the PDU powering the active unit. The standby unit takes over the active role as expected.
How is the peer unit able to determine the active unit is unavailable?
- A. voltage loss on serial cable
- B. no data stream received on serial port
- C. no response on management interface
- D. no heartbeat packets received on self IPs
Answer: A
NEW QUESTION 86
-- Exhibit -
-- Exhibit -
Refer to the exhibit.
Which profile could be removed or changed on this virtual server to reduce CPU load on the LTM device without increasing server side bandwidth usage?
- A. http
- B. optimized-caching
- C. httpcompression
- D. tcp
Answer: C
NEW QUESTION 87
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
Which step should an LTM Specialist take next to finish upgrading to HD1.3?
- A. Activate HD1.3
- B. Install image to HD1.3
- C. Install hotfix to HD1.3
- D. Relicense HD1.3
Answer: A
NEW QUESTION 88
-- Exhibit -
-- Exhibit --
Refer to the exhibit.
An LTM Specialist is investigating intermittent page load issues being reported by users.
What should the LTM Specialist do to resolve the issue?
- A. Remove least connections load balancing method on virtual server.
- B. Assign an HTTP monitor to the pool.
- C. Select least connections load balancing method on virtual server.
- D. Remove HTTP monitor on the pool.
Answer: B
NEW QUESTION 89
A new web application is hosted at www.example.net, but some clients are still pointing to the legacy web application at www.example.com.
Which iRule will allow clients referencing www.example.com to access the new application?
- A. when HTTP_RESPONSE {
if {[HTTP::host] equals "www.example.com" }{
HTTP::redirect "http://www.example.net" }
} - B. when HTTP_REQUEST {
if {[HTTP::host] equals "www.example.com" }{
HTTP::redirect "http://www.example.net" }
} - C. when HTTP_DATA {
if {[HTTP::host] equals "www.example.*" }{
HTTP::redirect "http://www.example.net" }
} - D. when HTTP_REQUEST {
if {[HTTP::host] equals "www.example.*" }{
HTTP::redirect "http://www.example.net" }
}
Answer: B
NEW QUESTION 90
......
What is the duration of the F5 301b Exam
- Passing Score: 70%
- Format: Multiple choices, multiple answers
- Number of Questions: 80
- Length of Examination: 90 minutes
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