質問 1：
When creating service chains in a cloud networking environment, what is the purpose of a service instance?
A. It identifies the virtual networks in a service chain.
B. It is the entity that will be performing a service.
C. It is a bit-level copy of an existing service.
D. It defines the general service parameters of a service.
正解：B
質問 2：
Which role does OpenStack serve in SDN?
A. vRouter
B. Orchestrator
C. Gateway
D. controller
正解：B
質問 3：
In which type of database is Contrail analytics node information stored?
A. PostreSQL
B. MySQL
C. SQLite
D. NoSQL
正解：C
質問 4：
Refer to the exhibit.
Referring to the exhibit, when the user attempts the API request, which HTTP return code is generated by OpenStack?
A. HTTP 401 (Unauthorized)
B. HTTP 400 (Bad Request)
C. HTTP 503 (Service Unavailable)
D. HTTP 404 (Not Found)
正解：A
質問 5：
What are three ways SDN provides multitenancy? (Choose three.)
A. By using overlay networks to tunnel traffic across the network
B. By using a naming convention that identifies different tenants within each VRF
C. By using virtualized servers to separate customers and applications
D. By using IP subnets to provide physical separation of tenants
E. By using VRFs to segment the network
正解：A,C,E
質問 6：
Which three load-balancing algorithms are supported by Contrail's LBaaS feature?
(Choose three.)
A. ECMP
B. Weighted round-robin
C. Least connections
D. Destination port
E. Source IP
正解：B,C,E
解説: (Pass4Test メンバーにのみ表示されます)
When creating service chains in a cloud networking environment, what is the purpose of a service instance?
A. It identifies the virtual networks in a service chain.
B. It is the entity that will be performing a service.
C. It is a bit-level copy of an existing service.
D. It defines the general service parameters of a service.
正解：B
質問 2：
Which role does OpenStack serve in SDN?
A. vRouter
B. Orchestrator
C. Gateway
D. controller
正解：B
質問 3：
In which type of database is Contrail analytics node information stored?
A. PostreSQL
B. MySQL
C. SQLite
D. NoSQL
正解：C
質問 4：
Refer to the exhibit.
Referring to the exhibit, when the user attempts the API request, which HTTP return code is generated by OpenStack?
A. HTTP 401 (Unauthorized)
B. HTTP 400 (Bad Request)
C. HTTP 503 (Service Unavailable)
D. HTTP 404 (Not Found)
正解：A
質問 5：
What are three ways SDN provides multitenancy? (Choose three.)
A. By using overlay networks to tunnel traffic across the network
B. By using a naming convention that identifies different tenants within each VRF
C. By using virtualized servers to separate customers and applications
D. By using IP subnets to provide physical separation of tenants
E. By using VRFs to segment the network
正解：A,C,E
質問 6：
Which three load-balancing algorithms are supported by Contrail's LBaaS feature?
(Choose three.)
A. ECMP
B. Weighted round-robin
C. Least connections
D. Destination port
E. Source IP
正解：B,C,E
解説: (Pass4Test メンバーにのみ表示されます)
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