Skip to main content

301B Real Exam Questions

BIG-IP Local Traffic Manager (LTM) Specialist: Maintain & Troubleshoot

209 questions available · Page 1 of 21

Updated Exam DumpsVerified AnswersPass Guarantee

Get Complete Exam Dumps
Question 1 Single choice

Refer to the exhibits.

An LTM Specialist uses the information in the logs to determine the cause of a failover event in a high-availability (HA) pair.

What caused the failover?

  1. A

    The overdog process crashed.

  2. B

    The system was administratively rebooted.

  3. C

    The process bcm56xxd received SIGTERM from the watchdog process.

  4. D

    The configuration reload request caused the config to reload and the device to failover.

Show answer and explanation

Correct answer: B

Question 2 Single choice

An LTM Specialist is troubleshooting an issue with a new virtual server. When connecting through the virtual server, clients receive the message "Unable to connect" in the browser, although connections directly to the pool member show the application is functioning correctly.
The LTM configuration is:
ltm virtual /Common/vs_https {
destination /Common/10.10.1.110:443
ip-protocol udp
mask 255.255.255.255
pool /Common/pool_https
profiles {
/Common/udp { }
}
translate-address enabled
translate-port enabled
vlans-disabled
}
ltm pool /Common/pool_https {
members {
/Common/172.16.20.1:443 {
address 172.16.20.1
}
}
}

How should the LTM Specialist resolve this issue?

  1. A

    Remove an HTTP monitor from the pool.

  2. B

    Add an HTTP profile to the virtual server.

  3. C

    Enable the pool member on the correct VLAN.

  4. D

    Select the correct protocol for the virtual server.

Show answer and explanation

Correct answer: D

Question 3 Single choice

An LTM Specialist loads a UCS file generated on a different LTM device and receives the following error message: "mcpd[2395]: 01070608:0: License is not operational (expired or digital signature does not match contents)"

Which command should the LTM Specialist use to prevent the error?

  1. A

    tmsh show /sys license

  2. B

    tmsh show /sys hardware

  3. C

    bigpipe config save /config.ucs

  4. D

    tmsh load /sys /ucs rma <path/to/UCS>

  5. E

    tmsh load /sys ucs <path/to/UCS> no-license

Show answer and explanation

Correct answer: E

Question 4 Multiple choice

Which two alerting capabilities can be enabled from within an application visibility reporting (AVR) analytics profile? (Choose two.)

  1. A

    sFlow

  2. B

    SNMP

  3. C

    e-mail

  4. D

    LCD panel alert

  5. E

    high speed logging (HSL)

Show answer and explanation

Correct answers: B, C

Question 5 Single choice

An LTM Specialist needs to modify the logging level for tcpdump execution events. Checking the BigDB
Key, the following is currently configured:
sys db log.tcpdump.level {
value "Notice"
}

Which command should the LTM Specialist execute on the LTM device to change the logging level to informational?

  1. A

    tmsh set /sys db log.tcpdump.level value informational

  2. B

    tmsh set /sys db log.tcpdump.level status informational

  3. C

    tmsh modify /sys db log.tcpdump.level value informational

  4. D

    tmsh modify /sys db log.tcpdump.level status informational

Show answer and explanation

Correct answer: C

Question 6 Single choice

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

  1. 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.

  2. 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.

  3. 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.

  4. 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.

Show answer and explanation

Correct answer: C

Question 7 Single choice

Which iRule will reject any connection originating from a 10.0.0.0/8 network?

  1. A

    when CLIENT_ACCEPTED {
    set remote_ip [IP::addr [IP::remote_addr] mask 8]
    switch $remote_ip {
    "10.0.0.0" { reject }
    "11.0.0.0" { pool pool_http1}
    default { pool http_pool }

    }
    }

  2. B

    when CLIENT_ACCEPTED {
    set remote_ip [IP::addr [IP::local_addr] mask 8]
    switch $remote_ip {
    "10.0.0.0" { reject }
    "11.0.0.0" { pool pool_http1}
    default { pool http_pool }
    }
    }

  3. C

    when CLIENT_ACCEPTED {
    set remote_ip [IP::addr [IP::client_addr] mask 255.0.0.0]
    switch $remote_ip {
    "10.0.0.0" { reject }
    "11.0.0.0" { pool pool_http1}
    default { pool http_pool }
    }
    }

  4. D

    when CLIENT_ACCEPTED {
    set remote_ip [IP::addr [IP::local_addr] mask 255.0.0.0]
    switch $remote_ip {
    "10.0.0.0" { reject }
    "11.0.0.0" { pool pool_http1}
    default { pool http_pool }
    }
    }

Show answer and explanation

Correct answer: C

Question 8 Multiple choice

The pool members are serving up simple static web content.
The current virtual server configuration is given as follows:
tmsh list ltm virtual simple
ltm virtual simple {
destination 10.10.10.10:80
ip-protocol tcp
mask 255.255.255.255
profiles {
http { }
httpcompression { }
oneconnect { }
tcp { }
}
snat automap
vlans-disabled
}
tmsh list ltm pool simple_pool
ltm pool simple_pool {
members {
10.10.10.11:80 {
address 10.10.10.11 }
10.10.10.12:80 {
address 10.10.10.12 }
10.10.10.12:80 {
address 10.10.10.13 }
}
}

Which three objects in the virtual server configuration can be removed without disrupting functionality of the virtual server? (Choose three.)

  1. A

    tcp

  2. B

    http

  3. C

    oneconnect

  4. D

    snat automap

  5. E

    httpcompression

Show answer and explanation

Correct answers: B, C, E

Question 9 Multiple choice

An LTM Specialist configures a new HTTP virtual server on an LTM device external VLAN. The web servers are connected to the LTM device internal VLAN. Clients trying to connect to the virtual server are unable to establish a connection. A packet capture shows an HTTP response from a web server to the client and then a reset from the client to the web server.
From which two locations could the packet capture have been collected? (Choose two.)

  1. A

    network interface of web server

  2. B

    network interface of client machine

  3. C

    internal VLAN interface of the LTM device

  4. D

    external VLAN interface of the LTM device

  5. E

    management VLAN interface of the LTM device

Show answer and explanation

Correct answers: A, B

Question 10 Single choice

An LTM Specialist realizes that a datacenter engineer has changed the console baud rate.

Which command determines the current baud rate via the command line interface?

  1. A

    tmsh show /ltm console

  2. B

    tmsh show /sys console

  3. C

    tmsh list /sys baud-rate

  4. D

    tmsh list /net baud-rate

Show answer and explanation

Correct answer: B