The NETCONF content layer contains device configuration data.
Which of the following statements are correct about the following NETCONF configuration?
<?xml version="1.0" encoding="UTF-8"?>
<rpc xmlns="urn:ietf:params:xrnl:ns:netconf:base:1.0" message-id="801">
<edit-config>
<target>
<running/>
</target>
<default-operation>merge</default-operation>
<error-option>rollback-on-error</error-option>
<config xmlns:xc="urn:ietf:params:xml:ns:netconf:base:1.0">
<vlan xmlns="http://www.huawei.com/netconf/vrp/huawei-vlan">
<vlans>
<vlan>
<vlanId>10</vlanId>
<protocolVlans>
<protocolVlan xc:operation="merge">
<protocolIndex>0</protocolIndex>
</protocolVlan>
</protocolVlans>
</vlan>
</vlans>
</vlan>
</config>
</edit-config>
</rpc>

• A. The Huawei-YANG model is used.
• B. The NETCONF <edit-config> operation is performed to load the configuration data to the startup configuration datastore.
• C. The <config> operation contains an operation attribute so that the modified data is merged.
• D. VLAN 10 is created on the target device.

In Huawei's NAC solution, which of the following cannot be used for Portal authentication?

• A. User's MAC address
• B. User name and password
• C. SMS verification code
• D. Passcode

Which of the following user logout modes are supported by 802.1X authentication?

• A. A user logs out manually.
• B. An accounting server forces a user to log out.
• C. An authentication server forces a user to log out.
• D. An access device forces a user to log out.

Which of the following statements about IPSG is incorrect?

• A. IPSG can defend against IP address spoofing attacks.
• B. IPSG can be used to prevent hosts from changing IP addresses.
• C. IPSG can be used to check the validity of IP packets. If IP packets are invalid, the device reports an alarm to an NMS.
• D. IPSG is a source IP address filtering technology based on Layer 3 interfaces.