質問 1：
What is a characteristic of VRRP?
A. VRRP routes must communicate over a common switch.
B. VRRP routers must communicate over a direct connection.
C. VRRP participating routers all act as active gateways.
D. VRRP provides high availability for a host's default gateway.
正解：D
質問 2：
You have included in your data center design an SRX1500 chassis cluster. The RFP requires a documented upgrade process for the cluster that minimizes downtime. What satisfies this requirement in this scenario?
A. an in-service software upgrade
B. a nonstop software upgrade
C. a manual device upgrade
D. a topology-independent in-service software upgrade
正解：A
質問 3：
Which two statements describe the Contrail vRouter? (Choose two.)
A. It is responsible for providing the management, control, and analytics functions of the virtualized network.
B. It is forwarding plane that runs software on a virtualized server.
C. It extends the network form physical routers and switches into an overlay network hosted in virtual server.
D. It provides the logically centralized control plane and management plane of the system.
正解：A,B
質問 4：
What are two requirements for a VXLAN tunnel endpoint (VTEP)? (Choose two.)
A. IGMP filtering
B. TCP session tracking
C. IP address learning of interested VTEPs
D. MAC address learning
正解：C,D
質問 5：
Your company is deploying a private cloud based on OpenStack and has selected Contrail Networking as their SDN controller. Which statement is true in this scenario?
A. All bare-metal servers must run a vSRX instance for overlay tunneling.
B. All virtualized servers must run a vSRX instance for overlay tunneling
C. All virtualized servers must run a vRouter for overlay tunneling
D. All bare-metal serer must run a vRouter for overlay tunneling
正解：B,D
質問 6：
Which two statements about data center design are correct? (Choose two.)
A. An application may query several resources in response to a single user request.
B. The most efficient traffic flow pattern is 50% east-west and 50% north-south.
C. A data center that provides hosted services should scale based on customer demands.
D. A multitier design provides better performance as the number of applications increase.
正解：A,C
What is a characteristic of VRRP?
A. VRRP routes must communicate over a common switch.
B. VRRP routers must communicate over a direct connection.
C. VRRP participating routers all act as active gateways.
D. VRRP provides high availability for a host's default gateway.
正解：D
質問 2：
You have included in your data center design an SRX1500 chassis cluster. The RFP requires a documented upgrade process for the cluster that minimizes downtime. What satisfies this requirement in this scenario?
A. an in-service software upgrade
B. a nonstop software upgrade
C. a manual device upgrade
D. a topology-independent in-service software upgrade
正解：A
質問 3：
Which two statements describe the Contrail vRouter? (Choose two.)
A. It is responsible for providing the management, control, and analytics functions of the virtualized network.
B. It is forwarding plane that runs software on a virtualized server.
C. It extends the network form physical routers and switches into an overlay network hosted in virtual server.
D. It provides the logically centralized control plane and management plane of the system.
正解：A,B
質問 4：
What are two requirements for a VXLAN tunnel endpoint (VTEP)? (Choose two.)
A. IGMP filtering
B. TCP session tracking
C. IP address learning of interested VTEPs
D. MAC address learning
正解：C,D
質問 5：
Your company is deploying a private cloud based on OpenStack and has selected Contrail Networking as their SDN controller. Which statement is true in this scenario?
A. All bare-metal servers must run a vSRX instance for overlay tunneling.
B. All virtualized servers must run a vSRX instance for overlay tunneling
C. All virtualized servers must run a vRouter for overlay tunneling
D. All bare-metal serer must run a vRouter for overlay tunneling
正解：B,D
質問 6：
Which two statements about data center design are correct? (Choose two.)
A. An application may query several resources in response to a single user request.
B. The most efficient traffic flow pattern is 50% east-west and 50% north-south.
C. A data center that provides hosted services should scale based on customer demands.
D. A multitier design provides better performance as the number of applications increase.
正解：A,C
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