Juniper Junos Troubleshooting - JN0-690 Free Exam Questions

QUESTION NO: 1
You want to reset all the PFE components with graceful Routing Engine switchover (GRES) disabled on the system. Which command should you use?

Correct Answer: D Vote an answer
QUESTION NO: 2
You suspect that your router is missing the .0/24 routes for your local network. You first want to look for the routes on the control plane before troubleshooting the data plane.
Which operational mode command should you issue?

Correct Answer: C Vote an answer
QUESTION NO: 3
An interface on your Junos device reports a device-level flag of Loopback-detected.
What is causing this flag to be reported?

Correct Answer: B Vote an answer
QUESTION NO: 4
-- Exhibit -
[edit]
user@router# show interfaces
ge-1/1/2 {
gigether-options {
802.3ad ae0;
}
}
ge-1/1/3 {
gigether-options {
802.3ad ae0;
}
}
ae0 {
unit 0 {
family bridge {
interface-mode trunk;
vlan-id-list 100;
}
}
}
-- Exhibit -
You are asked to configure a LAG. You configure and commit the configuration as shown in the exhibit. When verifying your ae0 interface, you encounter the following error:
[edit] user@router# run show interfaces ae0 error: device ae0 not found
Which command would you use to resolve this problem?

Correct Answer: B Vote an answer
QUESTION NO: 5
Click the Exhibit button.
-- Exhibit -[edit] user@router# show interfaces
ge-1/1/2 {
vlan-tagging;
unit 100 {
vlan-id 100;
family inet {
address 192.168.0.1/30;
}
}
}
lo0 {
unit 0 {
family inet {
address 10.10.10.1/32;
}
}
}
[edit]
user@router# show protocols ospf
area 0.0.0.0 {
interface ge-1/1/2.0 {
interface-type p2p;
metric 250;
}
interface lo0.0;
}
[edit]
user@router# run show ospf interface Interface State Area DR ID BDR ID Nbrs lo0.0 DR 0.0.0.0 10.10.10.1 0.0.0.0 0
[edit] user@router# -- Exhibit -
Referring to the exhibit, why does only the loopback interface appear in the show ospf interface output?

Correct Answer: D Vote an answer
QUESTION NO: 6
Which two tools would be used to troubleshoot BGP peering problems? (Choose two.)

Correct Answer: A,C Vote an answer
QUESTION NO: 7
Which two actions are required when performing a unified in-service software upgrade (ISSU)? (Choose two.)

Correct Answer: C,D Vote an answer

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