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質問 1：
Using Virtual Router Redundancy Protocol (VRRP), you want to statically force the priorities of the master and backup routers. Which priority would you set on the master router?
A. 128
B. 0
C. 254
D. 1
正解：C
質問 2：
Which CLI command applies the candidate configuration to the active configuration?
A. load
B. merge
C. commit
D. copy run start
正解：C
解説: (Pass4Test メンバーにのみ表示されます)
質問 3：
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?
A. show route flow validation table
B. show arp
C. show route forwarding-table
D. show route
正解：D
質問 4：
Click the Exhibit button.
You recently added an EBGP neighbor to R1 and you are receiving a single BGP route for their internal network. You notice that on R2 the route learned from C1 is being marked as hidden because the next hop is unusable.
Referring to the exhibit, what should you do to resolve the problem?
A. Create a next-hop-self export policy on R1 and apply this policy to IBGP.
B. Create a next-hop-self import policy on R1 and apply this policy to EBGP.
C. Create a next-hop-self import policy and apply this policy to IBGP.
D. Create a next-hop-self import policy on R2 and apply this policy to IBGP.
正解：A
質問 5：
What is the name of the routing protocol process on a Junos OS device?
A. cosd
B. rpd
C. chassisd
D. snmpd
正解：B
解説: (Pass4Test メンバーにのみ表示されます)
質問 6：
An interface on your Junos device reports a device-level flag of Loopback-detected.
What is causing this flag to be reported?
A. The interface is in promiscuous mode and sees frames addressed to all physical addresses on the medium.
B. The link-layer protocol failed to successfully connect with the remote endpoint.
C. The interface was administratively disabled.
D. The interface link layer received its own frames.
正解：D
質問 7：
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?
A. The metric configured on ge-1/1/2 is not valid.
B. The incorrect logical unit for the ge-1/1/2 interface is configured under the OSPF hierarchy.
C. The ge-1/1/2 interface is configured under the wrong OSPF area.
D. The interface-type is not configured properly on the ge-1/1/2 interface.
正解：B
Using Virtual Router Redundancy Protocol (VRRP), you want to statically force the priorities of the master and backup routers. Which priority would you set on the master router?
A. 128
B. 0
C. 254
D. 1
正解：C
質問 2：
Which CLI command applies the candidate configuration to the active configuration?
A. load
B. merge
C. commit
D. copy run start
正解：C
解説: (Pass4Test メンバーにのみ表示されます)
質問 3：
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?
A. show route flow validation table
B. show arp
C. show route forwarding-table
D. show route
正解：D
質問 4：
Click the Exhibit button.
You recently added an EBGP neighbor to R1 and you are receiving a single BGP route for their internal network. You notice that on R2 the route learned from C1 is being marked as hidden because the next hop is unusable.
Referring to the exhibit, what should you do to resolve the problem?
A. Create a next-hop-self export policy on R1 and apply this policy to IBGP.
B. Create a next-hop-self import policy on R1 and apply this policy to EBGP.
C. Create a next-hop-self import policy and apply this policy to IBGP.
D. Create a next-hop-self import policy on R2 and apply this policy to IBGP.
正解：A
質問 5：
What is the name of the routing protocol process on a Junos OS device?
A. cosd
B. rpd
C. chassisd
D. snmpd
正解：B
解説: (Pass4Test メンバーにのみ表示されます)
質問 6：
An interface on your Junos device reports a device-level flag of Loopback-detected.
What is causing this flag to be reported?
A. The interface is in promiscuous mode and sees frames addressed to all physical addresses on the medium.
B. The link-layer protocol failed to successfully connect with the remote endpoint.
C. The interface was administratively disabled.
D. The interface link layer received its own frames.
正解：D
質問 7：
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?
A. The metric configured on ge-1/1/2 is not valid.
B. The incorrect logical unit for the ge-1/1/2 interface is configured under the OSPF hierarchy.
C. The ge-1/1/2 interface is configured under the wrong OSPF area.
D. The interface-type is not configured properly on the ge-1/1/2 interface.
正解：B
Horii -
仕事に忙しいので、私は勉強する時間は少ないです。しかし、JN0-690問題集を利用し、問題の答えを覚えると、JN0-690試験に合格しました。