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Juniper JN0-690 Exam Syllabus Topics:

Juniper Junos Troubleshooting Sample Questions:

1. Click the Exhibit button.
-- Exhibit -user@host> 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.)

A) show system storage
B) show chassis routing-engine
C) show system directory-usage
D) request system storage cleanup
E) request system software add validate

2. Which two Junos OS commands are helpful in confirming whether an Object Identifier (OID) has recorded the correct data? (Choose two.)

A) show snmp mib get
B) show snmp statistics
C) show snmp mib walk
D) show snmp v3

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

A) user * {
any any;
}
file messages {
any notice;
authorization info;
}
B) user * {
any emergency;
}
file messages {
any notice;
authorization info;
}
file interactive-commands {
interactive-commands any;
}
C) user * {
any emergency;
}
file messages {
any notice;
authorization info;
}
file audit-commands {
authorization any;
}
D) user * {
any any;
}
file messages {
any info;
authorization info;
}

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

A) SNMP
B) traceoptions
C) routing table data
D) traceroute

5. Which two statements are true about firewall filters and policers? (Choose two.)

A) If an input firewall filter is configured on the same logical interface as a policer, the firewall filter is executed first.
B) If an output firewall filter is configured on the same logical interface as a policer, the firewall filter is executed first.
C) If an input firewall filter is configured on the same logical interface as a policer, the policer is executed first.
D) If an output firewall filter is configured on the same logical interface as a policer, the policer is executed first.

Solutions: