load balancer can be used alone

• A.mistake
• B.True

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(single choice) In the configuration description about ELB, which item is incorrect?

• A.Cannot select when adding an elastic load balancerip
• B.Configurable health check timeout time
• C.The listening strategy can be configured when creating the listener
• D.ConfigurationlisOptional session retention when tener

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users cannot deploy business applications on elastic cloud servers arbitrarily like using traditional servers.

• A.True
• B.mistake

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Inter-Internet communication between two sites,IPSecVPN can be deployed on the firewalls at both ends to protect the mutual access traffic between the two intranets.

• A.True
• B.False

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Regarding the description of object storage service billing, which of the following is correct?

• A.Public network outgoing traffic needs to be billed
• B.Intranet outgoing traffic will not incur costs
• C.Every data stored in OBS needs to be charged
• D.There is no charge for retrieving data

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