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質問 1：
What is the minimum number of nodes in a Junos Space Fabric design?
A. 5
B. 1
C. 3
D. 2
正解：B
質問 2：
Which two statements describe why service providers have migrated to IP/MPLS networks? (Choose two.)
A. MPLS labels enable several logically separated networks to share a common network infrastructure.
B. A single router can be an ingress, egress or transit router for multiple LSPs simultaneously.
C. MPLS virtualization allows a service provider to use statistical multiplexing to maximize resource utilization.
D. The MPLS ingress router encapsulates IP packets in an MPLS frame and forwards it to the next router in the path.
正解：A,C
質問 3：
What are two ways that allow BGP route reflectors to advertise more optimal IGP next hops? (Choose two)
A. Implement a centralized route reflector.
B. Use SPRING.
C. UseBGP-ORR.
D. Implement route reflectors at each POP.
正解：A,C
質問 4：
Which technology allows a router to continue to forward packets even if the routing protocol adjacencies go down?
A. nonstop bridging
B. nonstop routing
C. graceful Routing Engine switchover
D. graceful restart
正解：D
質問 5：
Your customer connects to their service providers using fiber-based Ethernet connections in a shared collocation room. The customer has expressed concerns about wire tapping and man-in-the-middle attacks, and has asked for your design recommendation to minimize such attacks.
Which service addresses the customer's concern?
A. MACsec
B. 802 1x
C. 802 3ad
D. BGPFIowSpec
正解：A
質問 6：
Your customer wants to use NorthStar to communicate with network devices and acquire the MPLS topology. Which protocol is recommended for this purpose?
A. OSPF
B. ISIS
C. PIM-SSM
D. BGP-LS
正解：D
What is the minimum number of nodes in a Junos Space Fabric design?
A. 5
B. 1
C. 3
D. 2
正解：B
質問 2：
Which two statements describe why service providers have migrated to IP/MPLS networks? (Choose two.)
A. MPLS labels enable several logically separated networks to share a common network infrastructure.
B. A single router can be an ingress, egress or transit router for multiple LSPs simultaneously.
C. MPLS virtualization allows a service provider to use statistical multiplexing to maximize resource utilization.
D. The MPLS ingress router encapsulates IP packets in an MPLS frame and forwards it to the next router in the path.
正解：A,C
質問 3：
What are two ways that allow BGP route reflectors to advertise more optimal IGP next hops? (Choose two)
A. Implement a centralized route reflector.
B. Use SPRING.
C. UseBGP-ORR.
D. Implement route reflectors at each POP.
正解：A,C
質問 4：
Which technology allows a router to continue to forward packets even if the routing protocol adjacencies go down?
A. nonstop bridging
B. nonstop routing
C. graceful Routing Engine switchover
D. graceful restart
正解：D
質問 5：
Your customer connects to their service providers using fiber-based Ethernet connections in a shared collocation room. The customer has expressed concerns about wire tapping and man-in-the-middle attacks, and has asked for your design recommendation to minimize such attacks.
Which service addresses the customer's concern?
A. MACsec
B. 802 1x
C. 802 3ad
D. BGPFIowSpec
正解：A
質問 6：
Your customer wants to use NorthStar to communicate with network devices and acquire the MPLS topology. Which protocol is recommended for this purpose?
A. OSPF
B. ISIS
C. PIM-SSM
D. BGP-LS
正解：D
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