[Free] 2018(Jan) EnsurePass Testinsides Juniper JN0-691 Dumps with VCE and PDF 91-100

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Junos Troubleshooting

Question No: 91 – (Topic 2)

Click the Exhibit button.

– Exhibit –

=================== Bootstrap installer starting =================== Initialized the environment

Routing engine model is RE-S-1800×4 Discovered that flash disk = ad0 , hard disk = ad1

mount: /dev/ad1s1f : Invalid argument

ERROR: mount_partition: Mount /dev/ad1s1a /mnt failed

You are now in a debugging subshell (you may not see a prompt)…

#

– Exhibit –

During the boot of your MX480, you see the output shown in the exhibit. Which three statements are true? (Choose three.)

  1. The Routing Engine cannot mount the partition to complete booting.

  2. Running fsck on the partition might resolve the boot problem.

  3. You must swap the Routing Engine over to the backup slot to get it to boot properly.

  4. The boot failed because one of the file systems is in an inconsistent state.

  5. The boot failed because a USB drive has been inserted into the device.

Answer: A,B,D

Question No: 92 – (Topic 2)

Which three statements are true about performing an ISSU on a Junos device? (Choose three.)

  1. Every PFE on each FPC downloads the new software from the backup RE.

  2. ksyncd synchronizes the kernel on the backup RE with the master RE.

  3. The backup RE verifies disk space on both REs, unsupported configurations, and unsupported PICs.

  4. The master RE verifies disk space on both REs, unsupported configurations, and unsupported PICs.

  5. Any unsupported PICs will cause the ISSU process to fail with quot;Error: incompatible hardware detected.quot;

Answer: A,B,D

Question No: 93 – (Topic 2)

Which two tools will help determine the path of a routing loop? (Choose two.)

  1. traceroute

  2. traceoptions

  3. routing table data

  4. SNMP

Answer: A,C

Question No: 94 – (Topic 2)

Click the Exhibit button.

– Exhibit –

user@host gt; show chassis craft-interface

Front Panel System LEDs: Routing Engine 0 1

————- OK * .

Fail . * Master * .

Front Panel Alarm Indicators:

————— Red LED .

Yellow LED * Major relay . Minor relay *

Front Panel FPC LEDs: FPC 0 1 2 3 4 5 6 7 8 9

—————————

Red . . . . . . . . . .

Green * * . . . . . . * *

CB LEDs: CB 0 1

——

Amber . . Green * *

PS LEDs:

PS 0 1 2 3 4 5 6 7 8

————————- Red . . . . . . . . .

Green . . . . * * * * *

Fan Tray LEDs: FT 0 1 2 3

———- Red . . . .

Green * * * *

Front Panel SFB LEDs: SFB 0 1 2 3 4 5 6 7

—————— Red . . . . . . . .

Green * * * * * * * *

Front Panel Chassis Info: Chassis Number 0x0

Chassis Role S

– Exhibit –

Referring to the exhibit, which statement is true?

  1. Routing Engine 1 is OK, the red LED is lit, and the major alarm relay is on.

  2. Routing Engine 1 has failed, yellow LED is lit, and the minor alarm relay is on.

  3. Routing Engine 1 is OK, the red LED is lit, and the minor alarm relay is on.

  4. Routing Engine 1 has failed, yellow LED is lit, and the major alarm relay is on.

Answer: B

Question No: 95 – (Topic 2)

You are asked to configure traceoptions to capture all general events for rpd. Which configuration statement accomplishes this task?

  1. [edit routing-options] user@router# show traceoptions {

    file rpd_log; flag general;

    }

  2. [edit routing-instances] user@router# show traceoptions {

    file rpd_log; flag general;

    }

  3. [edit forwarding-options] user@router# show traceoptions {

    file rpd_log; flag general;

    }

  4. [edit protocols] user@router# show traceoptions {

file rpd_log; flag general;

}

Answer: A

Question No: 96 – (Topic 2)

Which statement is correct about troubleshooting?

  1. You must always have a complete understanding of the problem before you begin gathering any information.

  2. You must be sure the problem will be resolved before attempting a potential solution.

  3. The problem must be reproducible before attempting a potential solution.

  4. Establishing a network baseline is important to help understand when something is not working.

Answer: D

Question No: 97 – (Topic 2)

Which command is useful in testing the correct operation of an SNMP configuration toward an NMS?

  1. show snmp rmon

  2. show snmp mib

  3. show snmp v3

  4. request snmp spoof-trap

Answer: D

Question No: 98 – (Topic 2)

You are asked to provide an audit trail for all user activity on your Junos device. Which syslog configuration statement accomplishes this task?

  1. user * { any any;

    }

    file messages { any notice; authorization info;

    }

  2. user * { any any;

    }

    file messages { any info; authorization info;

    }

  3. user * {

    any emergency;

    }

    file messages { any notice; authorization info;

    }

    file interactive-commands { interactive-commands any;

    }

  4. user * {

any emergency;

}

file messages { any notice; authorization info;

}

file audit-commands { authorization any;

}

Answer: C

Question No: 99 – (Topic 2)

Click the Exhibit button.

– Exhibit –

user@hostgt; request system software add

WARNING: The /var filesystem is low on free disk space. WARNING: This package requires 1 k free, but there WARNING: is only 666502k available.

– Exhibit –

Which three commands are useful in identifying and addressing the cause of the lack of disk space? (Choose three.)

  1. show chassis routing-engine

  2. show system storage

  3. show system directory-usage

  4. request system software add validate

  5. request system storage cleanup

Answer: B,C,E

Question No: 100 – (Topic 2)

Click the Exhibit button.

– Exhibit –

user@R1gt; show pfe statistics traffic Packet Forwarding Engine traffic statistics: Input packets: 47593914461368 2 pps

Output packets: 28805646 3 pps

Packet Forwarding Engine local traffic statistics: Local packets input : 36278104324

Local packets output : 2

Software input control plane drops : 0 Software input high drops : 0

Software input medium drops : 0 Software input low drops : 0 Software output drops : 0

Hardware input drops : 191367536738

Packet Forwarding Engine local protocol statistics: HDLC keepalives : 0

ATM OAM : 0

Frame Relay LMI : 0 PPP LCP/NCP : 0 OSPF hello : 3883169

OSPF3 hello : 0 RSVP hello : 1440704

LDP hello : 4782297 BFD : 0

IS-IS IIH : 0 LACP : 0

ARP : 765512 ETHER OAM : 0

Unknown : 1897610

Packet Forwarding Engine hardware discard statistics: Timeout : 0

Truncated key : 0 Bits to test : 0 Data error : 0

Stack underflow : 0 Stack overflow : 0

Normal discard : 191367536738 Extended discard : 0

Invalid interface : 0

Info cell drops : 191367536738 Fabric drops : 191367536738

Packet Forwarding Engine Input IPv4 Header Checksum Error and Output MTU Error statistics:

Input Checksum : 0 Output MTU : 0

– Exhibit –

Referring to the exhibit, which counter indicates a possible denial of service attack?

  1. hardware input drops

  2. normal discard

  3. info cell drops

  4. fabric drops

Answer: A

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