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F5 301b Certification Exam Answers Solutions for Exam Success, 301B – BIG-IP LTM Specialist | SPOTO

Prepare for success in the F5 301B certification exam with SPOTO's comprehensive solutions. This exam, part of the F5 Certified Technology Specialist, Local Traffic Manager (F5-CTS, LTM) certification track, focuses on maintaining and troubleshooting BIG-IP LTM systems. SPOTO offers a range of resources to aid your preparation, including practice tests, exam dumps, sample questions, and exam simulators. With SPOTO, you can access exam materials and answers to familiarize yourself with the exam format and content. Our exam practice modules help you refine your skills and boost confidence. Whether you need online exam questions or mock exams for a realistic test experience, SPOTO has you covered. Gain an edge in your exam preparation with SPOTO's expertise and proven track record. Our solutions are designed to help you pass the certification exam quickly and efficiently. Start your journey to F5 certification success with SPOTO today.
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Question #1
An LTM Specialist has just manually failed the active LTM device over to the standby LTM device. The LTM Specialist notices the newly active LTM device is NOT currently receiving traffic. The LTM Specialist verifies the newly active device is responding to ARP but still no traffic is hitting the virtual servers. The LTM Specialist also notices that the virtual servers eventually start responding. What should be added to the configuration to resolve the problem?
A. vlan failsafe
B. floating self IP
C. network failover
D. MAC masquerading
E. connection mirroring
View answer
Correct Answer: B

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Question #2
A device group is made up of four members: LTM-A, LTM-B, LTM-C, and LTM-D. An LTM Specialist makes a configuration change on LTM-B. Later, a different LTM Specialist notices a "changes pending" message on all devices. When logged into LTM-D, the LTM Specialist attempts to config-sync to the device group. The sync operation fails. Why is the LTM Specialist on LTM-D unable to synchronize the configuration to the group?
A. The changes made on LTM-B are invalid
B. LTM-D has the lowest commit-id of the group
C. NTP is NOT configured on the devices in the group
D. LTM-B is the device eligible to initiate a config-sync
View answer
Correct Answer: B
Question #3
An F5 LTM Specialist needs to perform an LTM device configuration backup prior to RMA swap. Which command should be executed on the command line interface to create a backup?
A. bigpipe config save /var/tmp/backup
B. tmsh save /sys ucs /var/tmp/backup
C. tmsh save /sys config /var/tmp/backup
D. tmsh save /sys config ucs /var/tmp/backup
View answer
Correct Answer: A
Question #4
-- Exhibit -- Exhibit -- An LTM Specialist is reviewing the virtual server configuration on an LTM device. Which two actions should the LTM Specialist perform to minimize the virtual server configuration? (Choose two.)
A. Remove 'snat automap' from the virtual server
B. Remove the 'http' profile from the virtual server
C. Remove the 'default_class' from the virtual server
D. Combine 'acct_class' and 'marketing_class' into one class and update associations on the virtual server
E. Combine 'marketing_class' and 'default_class' into one class and update associations on the virtual server
View answer
Correct Answer: AB
Question #5
While investigating the cause of a device failover, an LTM Specialist discovers the following events in /var/log/ltm: 01010029:5: Clock advanced by 518 ticks 01010029:5: Clock advanced by 505 ticks 01010029:5: Clock advanced by 590 ticks 01010029:5: Clock advanced by 568 ticks 01010029:5: Clock advanced by 1681 ticks 01010029:5: Clock advanced by 6584 ticks 01140029:5: HA daemon_heartbeat tmm fails action is failover and restart. 010c0026:5: Failover condition, active attempting to go standby. Which issue c
A. NTP being out of sync
B. TMM being descheduled
C. VLAN Fail-safe heartbeats
D. HA missing heartbeat packets
View answer
Correct Answer: AB
Question #6
A failover event is recorded in the following log messages: Jan 01 00:56:56 BIG-IP notice mcpd[5318]: 01070727:5: Pool /Common/my-pool member /Common/10.0.0.10:80 monitor status down. Jan 01 00:56:56 BIG-IP notice sod[5855]: 010c0045:5: Leaving active, group score 10 peer group score 20. Jan 01 00:56:56 BIG-IP notice sod[5855]: 010c0052:5: Standby for traffic group /Common/traffic-group-1. Jan 01 00:56:56 BIG-IP notice sod[5855]: 010c0018:5: Standby Jan 01 00:57:06 BIG-IP notice logger: /usr/bin/tmipsecd --
A. The HA group score changed
B. No traffic is seen on traffic-group-1
C. The peer device left the traffic group
D. The racoon service stopped responding
View answer
Correct Answer: D
Question #7
Which command should the LTM Specialist use to determine the current system time?
A. date
B. time
C. uname -a
D. ntpq -p
View answer
Correct Answer: A
Question #8
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 traffic group is configured with Auto Failback, and Unit 1 is the default device
D. A device group is configured with Auto Failback, and Unit 1 is the default device
View answer
Correct Answer: C
Question #9
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 Requests
B. Decrease Maximum Requests
C. Increase Maximum Header Count
D. Decrease Maximum Header Count
E. Increase Maximum Header size
F. Decrease Maximum Header size
View answer
Correct Answer: B
Question #10
An HA pair of LTM devices configured in Active-Standby mode stops responding to traffic and causes an outage. The Active device becomes Standby, but the partner device stays in Standby mode instead of taking over as Active. A reboot and restart of the services brings the LTM device to Active mode for a short time, but then it goes into Standby mode again. Which two configuration components caused this condition? (Choose two.)
A. VLAN Fail-safe
B. System Fail-safe
C. Gateway Fail-safe
D. Switch Board Failure
E. Link down on Failover
View answer
Correct Answer: B
Question #11
The active LTM device in a high-availability (HA) pair performs a failover at the same time the network team reports an outage of a switch on the network. Which two items could have caused the failover event? (Choose two.)
A. a VLAN fail-safe setting
B. a monitor on a pool in an HA group
C. the standby LTM that was rebooted
D. an Auditor role that has access to the GUI
E. the standby LTM that lost connectivity on the failover VLAN
View answer
Correct Answer: B
Question #12
An LTM device pair is configured for failover and connection mirroring. The LTM devices are configured with virtual servers for HTTP, HTTPS with SSL offload, and SSH. An event occurs that causes a failover. HTTP and SSH sessions active at the time of failover remain active, but HTTPS sessions are dropped. What is the root cause of this problem?
A. The SSL certificates on the LTM devices do NOT match
B. Connection mirroring is incompatible with clientssl profiles
C. SNAT automap was NOT enabled for the HTTPS virtual servers
D. Connection mirroring was NOT enabled for the HTTPS virtual servers
View answer
Correct Answer: DE
Question #13
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 the network connectivity between the devices
C. Verify that the devices are not using self-signed certificates
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
View answer
Correct Answer: A
Question #14
An LTM Specialist is troubleshooting an issue where one LTM device in a three LTM device group is failing to synchronize after a synchronize to group command is issued. The LTM Specialist verifies there are no packet filters, port lock down, or network issues preventing the connection. What are two reasons the synchronization group is having issues? (Choose two.)
A. Certificates expired on all of the peer LTM devices
B. Certificates stored for the device trusts on all of the peer LTM devices are corrupted
C. Admin passwords changed on one of the peer LTM devices that are able to synchronize
D. Admin password changed on the LTM device NOT receiving the synchronized configurations
E. Certificates stored for the device trusts on the LTM device NOT receiving the configuration are corrupted
View answer
Correct Answer: C
Question #15
A failover event is recorded in the log messages: Jan 01 00:00:50 BIG-IP notice sod[5855]: 01140029:5: HA proc_running tmm fails action is go offline and down links. Jan 01 00:00:50 BIG-IP notice sod[5855]: 010c0050:5: Sod requests links down. Jan 01 00:00:50 BIG-IP notice sod[5855]: 010c0054:5: Offline for traffic group /Common/traffic-group-1. Jan 01 00:00:50 BIG-IP notice sod[5855]: 010c003e:5: Offline Jan 01 00:00:50 BIG-IP notice logger: /usr/bin/tmipsecd --tmmcount 4 ==> /usr/bin/bigstart stop racoon
A. TMM failed, and VLAN fail-safe initiated the failover
B. TMM failed, and system fail-safe initiated the failover
C. Loss of connection to CMI peer 10
D. A switchboard failure caused system fail-safe to initiate the failover
View answer
Correct Answer: BD
Question #16
-- Exhibit -- Exhibit -- An LTM Specialist is reviewing the 'test' partition. Which objects, in order, can be removed from the partition?
A. delete pool test1_pool, delete node 10
B. delete node 10
C. delete pool test1_pool, delete node 10
D. delete virtual test1_vs, delete pool test2_pool, delete node 10
E. delete pool test1_pool, delete pool test2_pool, delete node 10
View answer
Correct Answer: AC
Question #17
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 show /net interface
B. tmsh /net show interface status
C. tmsh /net show interface
D. tmsh show /net interface status
View answer
Correct Answer: A
Question #18
-- Exhibit -- Exhibit -- Which two items can be consolidated to simplify the LTM configuration? (Choose two.)
A. /Common/vs1-https-redirect
B. /Common/vs2-https-redirect
C. /Common/vs3-https-redirect
D. /Common/vs4-https-redirect
E. /Common/vs5-https-redirect
View answer
Correct Answer: D

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