質問 1：
Which two statements are correct about using LLDP on junos devices? (Choose two.)
A. LLDP can interoperate with the cisco discovery protocol CDP
B. LLDP operates on layer 2 interfaces
C. LLDP operates on layer 2 and layer 3 interfaces
D. LLDP is enabled on all devices by default
正解：C,D
質問 2：
Click the Exhibit.
Your network is experiencing congestion across the link between R2 and R3.
You must make changes to alleviate traffic congestion from R3 to R2.
Referring to the exhibit, which two commands would accomplish this task? (Choose two.)
A. [edit protocol ospf]user@R3# set reference-bandwidth 10g
B. [edit protocol ospf]user@R1# set reference-bandwidth 10g
C. [edit protocols ospf area 0.0.0.0 ]user@R1# set interface fe-1/0/1 metric 5
D. [edit protocols ospf area0.0.0.0 ]user@R3# set interface fe-1/0/1 metric 5
正解：A,D
質問 3：
You manage your company enterprises network using EX series switches. Your company wants to use Q in Q tunneling to connect remote customer sites together. Which statement is correct about the scenario?
A. The outside layer 2 frame is popped by the penultimate switch
B. Customer traffic is tunneled through the network using the C VLAN ID
C. You must enable L2PT to tunnel layer 2 protocol traffic
D. The default Ethernet value is 0x9100
正解：C
質問 4：
Which three databases are used by the Dijkstra algorithm? (Choose three.)
A. Tree database
B. Link State Database
C. Candidate database
D. Configuration database
E. MAC database
正解：A,B,C
質問 5：
Which type of BGP is used to peer with a different autonomous system?
A. external
B. static
C. dynamic
D. classless
正解：A
質問 6：
Click the exhibit.
Referring to the exhibit, traffic handled by the s-1 scheduler is out of profile.
Assuming bandwidth is available in this scenario, which statement is correct?
A. Traffic handled by the s-1 scheduler is serviced immediately before traffic being serviced by the s-4 scheduler.
B. Traffic handled by the s-1 scheduler is serviced immediately after traffic being serviced by the s-2 scheduler.
C. Traffic handled by the s-1 scheduler is serviced immediately before traffic being serviced by the s-2 scheduler.
D. Traffic handled by the s-1 scheduler is serviced immediately after traffic being serviced by the s-4 scheduler.
正解：B
質問 7：
Your campus EX9200 core devices are highly oversubscribed on bandwidth ans reporting massive dropped packets. To immediately address the issue, you decide to implement shaping on all interfaces.
Which action will accomplish?
A. Apply the input-shape-rate 5G parameter to all interfaces under the [edit class-of service] hierarchy.
B. Define a CoS input traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.
C. Define a CoS output traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.
D. Apply the shape-rate 5G parameter to all interfaces under the [edit class-of service] hierarchy.]
正解：D
質問 8：
Which statement is correct about MSTP?
A. MSTP enables dynamic discovery of Layer 2 neighbors.
B. MSTP dynamically manages VLAN registration in a LAN.
C. MSTP enables mapping multiple independent spanning-tree instances onto one physical topology.
D. MSTP uses stacked VLAN tags to extend a Layer 2 Ethernet connection between multiple sites.
正解：C
Which two statements are correct about using LLDP on junos devices? (Choose two.)
A. LLDP can interoperate with the cisco discovery protocol CDP
B. LLDP operates on layer 2 interfaces
C. LLDP operates on layer 2 and layer 3 interfaces
D. LLDP is enabled on all devices by default
正解：C,D
質問 2：
Click the Exhibit.
Your network is experiencing congestion across the link between R2 and R3.
You must make changes to alleviate traffic congestion from R3 to R2.
Referring to the exhibit, which two commands would accomplish this task? (Choose two.)
A. [edit protocol ospf]user@R3# set reference-bandwidth 10g
B. [edit protocol ospf]user@R1# set reference-bandwidth 10g
C. [edit protocols ospf area 0.0.0.0 ]user@R1# set interface fe-1/0/1 metric 5
D. [edit protocols ospf area0.0.0.0 ]user@R3# set interface fe-1/0/1 metric 5
正解：A,D
質問 3：
You manage your company enterprises network using EX series switches. Your company wants to use Q in Q tunneling to connect remote customer sites together. Which statement is correct about the scenario?
A. The outside layer 2 frame is popped by the penultimate switch
B. Customer traffic is tunneled through the network using the C VLAN ID
C. You must enable L2PT to tunnel layer 2 protocol traffic
D. The default Ethernet value is 0x9100
正解：C
質問 4：
Which three databases are used by the Dijkstra algorithm? (Choose three.)
A. Tree database
B. Link State Database
C. Candidate database
D. Configuration database
E. MAC database
正解：A,B,C
質問 5：
Which type of BGP is used to peer with a different autonomous system?
A. external
B. static
C. dynamic
D. classless
正解：A
質問 6：
Click the exhibit.
Referring to the exhibit, traffic handled by the s-1 scheduler is out of profile.
Assuming bandwidth is available in this scenario, which statement is correct?
A. Traffic handled by the s-1 scheduler is serviced immediately before traffic being serviced by the s-4 scheduler.
B. Traffic handled by the s-1 scheduler is serviced immediately after traffic being serviced by the s-2 scheduler.
C. Traffic handled by the s-1 scheduler is serviced immediately before traffic being serviced by the s-2 scheduler.
D. Traffic handled by the s-1 scheduler is serviced immediately after traffic being serviced by the s-4 scheduler.
正解：B
質問 7：
Your campus EX9200 core devices are highly oversubscribed on bandwidth ans reporting massive dropped packets. To immediately address the issue, you decide to implement shaping on all interfaces.
Which action will accomplish?
A. Apply the input-shape-rate 5G parameter to all interfaces under the [edit class-of service] hierarchy.
B. Define a CoS input traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.
C. Define a CoS output traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.
D. Apply the shape-rate 5G parameter to all interfaces under the [edit class-of service] hierarchy.]
正解：D
質問 8：
Which statement is correct about MSTP?
A. MSTP enables dynamic discovery of Layer 2 neighbors.
B. MSTP dynamically manages VLAN registration in a LAN.
C. MSTP enables mapping multiple independent spanning-tree instances onto one physical topology.
D. MSTP uses stacked VLAN tags to extend a Layer 2 Ethernet connection between multiple sites.
正解：C
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