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301b Exam Dumps - F5 LTM Specialist Questions and Answers

Question # 4

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?

Options:

A.

when HTTP_REQUEST {

if {[HTTP::host] equals "www.example.*" }{

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_RESPONSE {

if {[HTTP::host] equals "www.example.com" }{

HTTP::redirect "http://www.example.net" }

}

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Question # 5

Which file should be modified to create custom SNMP alerts?

Options:

A.

/config/alert.conf

B.

/etc/alertd/alert.conf

C.

/config/user_alert.conf

D.

/etc/alertd/user_alert.conf

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Question # 6

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?

Options:

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.

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Question # 7

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?

Options:

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

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Question # 8

An LTM device is load balancing SIP traffic. An LTM Specialist notices that sometimes the SIP request is being load balanced to the same server as the initial connection.

Which setting in the UDP profile will make the LTM device more evenly distribute the SIP traffic?

Options:

A.

Enable Datagram LB

B.

Disable Datagram LB

C.

Set Timeout to Indefinite

D.

Set Timeout to Immediate

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Question # 9

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?

Options:

A.

Loose Close

B.

Loose Initiation

C.

Reset on Timeout

D.

Generate Initial Sequence Number

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Question # 10

What is the recommended procedure for upgrading a major TMOS release on a BIG-IP platform?

Options:

A.

1. Renew the device license.

2.Take a configuration backup.

3.Reboot the device to the non-active volume.

4.Upload the device code.

5.Install device code to the current volume.

B.

1. Take a configuration backup.

2.Upload the device code.

3.Install device code to the non-active volume.

4.Reboot the device to the non-active volume.

5.Renew the device license.

C.

1. Renew the device license.

2.Take a configuration backup.

3.Upload the device code.

4.Install device code to the non-active volume.

5.Reboot the device to the non-active volume.

D.

1. Take a configuration backup.

2.Reboot the device to the non-active volume.

3.Renew the device license.

4.Upload the device code.

5. Install device code to the current volume.

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Question # 11

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?

Options:

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.

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Question # 12

A device on the network is configured with the same IP address as the management address of the active LTM device, causing the management GUI to be inaccessible.

Which two methods should the LTM Specialist use to access the LTM device in order to change the management IP address? (Choose two.)

Options:

A.

Connect via ssh to the AOM IP address.

B.

Connect via ssh to the management address.

C.

Connect to the LTM device via serial connection.

D.

Connect a monitor and keyboard to the LTM device.

E.

Connect via ssh to the standby unit and connect via ssh across the serial link between the devices.

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Question # 13

An LTM Specialist is working with an LTM device configured with 10 virtual servers on the same domain with a different key/cert pair per virtual. For examplE. www.example.com; ftp.example.com; ssh.example.com; ftps.example.com.

What should the LTM Specialist do to reduce the number of objects on the LTM device?

Options:

A.

create a 0 port virtual server and have it answer for all protocols

B.

create a 0.0.0.0:0 virtual server thus eliminating all virtual servers

C.

create a transparent virtual server thus eliminating all virtual servers

D.

create a wildcard certificate and use it on all *.example.com virtual servers

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Exam Code: 301b
Exam Name: LTM Specialist: Maintain & Troubleshoot
Last Update: Feb 22, 2025
Questions: 209
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