Juniper JN0-691 問題集

質問 1：
Click the Exhibit button.
-- Exhibit -user@router> show system users 9:28PM up 2 days, 3:02, 2 users, load averages: 0.06, 0.13, 0.09 USER TTY FROM LOGIN@ IDLE WHAT lab u0 - 9:13PM - -cli (cli) admin p0 10.210.15.30 9:45PM - -cli (cli) -- Exhibit -
Referring to the exhibit, which two statements are true? (Choose two.)
A. The lab user's session will be cleared after issuing the command request system logout user lab.
B. The admin user is connected through a Telnet or SSH session.
C. Both user sessions will be cleared after issuing the command request system logout terminal.
D. The admin user is connected through a console session.
正解：A,B

質問 2：
Click the Exhibit button.

Referring to the exhibit, you are attempting to configure the 192.0.0.0/24 static route. The configuration commits; however, the route remains hidden in the routing table.
What must you do to move the route from the hidden state to the active state in the routing table?
A. Allow the prefix under the[edit routing-options martians]hierarchy.
B. Use theinstalloption under the[edit routing-options static route 192.0.0.0/24]hierarchy.
C. Change the next hop to a reachable addressunderthe[edit routing-options static]hierarchy.
D. Use theretainoption under the[edit routing-options static route 192.0.0.0/24]hierarchy.
正解：A

質問 3：
Which two statements are true about nonstop active routing? (Choose two.)
A. You must enable graceful restart for nonstop active routing to function correctly.
B. Routing information is saved on the backup Routing Engine.
C. Routing information is not saved on the backup Routing Engine.
D. You must enable GRES for nonstop active routing to function correctly.
正解：B,D

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

質問 5：
Which two elements are preserved during a Routing Engine switchover if only GRES is enabled? (Choose two.)
A. the local interface information
B. the Network Time Protocol (NTP) process
C. the kernel information
D. the routing protocol process (rpd)
正解：A,C

質問 6：
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 emergency;
}
file messages {
any notice;
authorization info;
}
file interactive-commands {
interactive-commands any;
}
B. user * {
any emergency;
}
file messages {
any notice;
authorization info;
}
file audit-commands {
authorization any;
}
C. user * {
any any;
}
file messages {
any info;
authorization info;
}
D. user * {
any any;
}
file messages {
any notice;
authorization info;
}
正解：A

質問 7：
Which command would be used to clear stuck user sessions?
A. request routing-engine login other-routing-engine
B. request system logout
C. request system reboot
D. request chassis routing-engine master switch
正解：B

質問 8：
Which statement is correct about Layer 2 interfaces and their default behaviors?
A. Trunk interfaces can participate in multiple VLANs.
B. Access interfaces can receive VLAN tagged traffic.
C. Trunk interfaces can transmit untagged traffic.
D. Access interfaces can transmit VLAN tagged and untagged traffic.
正解：A