Free Juniper JN0-690 Exam Dumps Questions & Answers

-- 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?

• A.  set chassis alarm ethernet link-down ignore
• B.  set chassis network-services ethernet
• C.  set interfaces ae0 aggregated-ether-options lacp active
• D.  set chassis aggregated-devices ethernet device-count 1

An OSPF neighbor is stuck in the Exchange state.
Which condition would cause this to happen?

• A.  a mismatched MTU
• B.  a mismatched IP subnet
• C.  mismatched authentication
• D.  a mismatched area

Which three statements are correct about ARP related troubleshooting? (Choose three.)

• A.  An individual ARP entry can be cleared using the clear arp hostname command.
• B.  Most devices that run the Junos OS allow you to specify a manual ARP entry.
• C.  The monitor traffic interface <interface-name> command can be used to watch ARP packets.
• D.  There are no default ARP policers on any devices running the Junos OS.
• E.  The clear arp command also clears the IPv6 neighbor cache.

Click the Exhibit button.
-- Exhibit -user@host > 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?

• A.  Routing Engine 1 is OK, the red LED is lit, and the minor alarm relay is on.
• B.  Routing Engine 1 has failed, yellow LED is lit, and the minor alarm relay is on.
• C.  Routing Engine 1 has failed, yellow LED is lit, and the major alarm relay is on.
• D.  Routing Engine 1 is OK, the red LED is lit, and the major alarm relay is on.

Which operational CLI command would you use to display information about the system and software processes?

• A.  show cli
• B.  show chassis
• C.  show system
• D.  show route