A network engineer is implementing a new network using NETCONF. The goal is to automate but also harden the device configuration. Which NETCONF action must be used to accomplish this goal?

• A.Specify the source interface for SSH.
• B.Configure by using the ip http secure-server command.
• C.Limit access to port 830, well-known clients, and SSH VTY.
• D.Enable CoPP.

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Refer to the exhibit.

What is the significance of "*" before the "father" leaf that is shown in the pyang tree output?

• A.The node father is read-only in the family list.
• B.It is a node list in a leaf type node.
• C.The father leaf is a key in the family list type.
• D.The leaf father is read-write in the family list.

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Refer to the exhibit. Which HTTP authentication mechanism is being used?

• A.OAuth
• B.token
• C.basic
• D.simple

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Refer to the exhibit. After this operation, what else is needed to change the hostname of the router to IOS-XR- SJC-19?

• A.<confirm>
• B.<close-session>
• C.<get-config>
• D.<commit>

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Which data format should be used to serialize structured data in the most compact way?

• A.protobufs
• B.YAML
• C.JSON
• D.XML

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