Which of the following information cannot be identified through the function of the smart terminal?

• A. Terminal type
• B. Manufacturer
• C. NIC type
• D. Operation

When using the planning and design tool, which of the following statements about the logical networking of the campus network is incorrect?

• A. The logical networking initialization diagram is determined by the parameters of the scenario of the solution
• B. Support multi-region, multi-aggregation node design
• C. The working mode supports stand-alone and stacked
• D. You can't manually drag and drop to modify

In order to quickly recover when the configuration is lost, which of the following operations is recommended?

• A. Formulate regular configuration file backup tasks
• B. Manually save the equipment configuration on the controller on a regular basis

In the LAN-WAN convergence scenario, the description of RR deployment design principles is wrong ()

• A. The Edge should be dual-uplink to the two RR devices to achieve egress backup;
• B. The RR must be redundant, and at least two RR devices must exist on the live network. Prevent network-wide service interruption caused by the failure of only one RR device on the entire network.
• C. Use the RR model recommended in the specification list;
• D. Try to choose an independent RR, which can be deployed on a single device in the independent RR scenario.

switch V600R022 version, about the PV6 RGuard implementation description, the incorrect is ()

• A. 22.0 also supports policy-based filtering of ND packets.
• B. RA packets can carry a lot of network configuration information, including the default router, network prefix list, and whether to use a DHCPv6 server for stateful address allocation. An attacker can send forged RA packets to modify the network configuration of the user's host so that legitimate users cannot communicate properly. IPv6RGuard provides a defense mechanism against RA packet attacks, which can effectively prevent such network attacks.
• C. Configure the host or router role for the interface, and then the device can forward or discard RA packets based on the interface role.
• D. If the interface is connected to the user host, the interface role is set to host, and if the interface is connected to the router, the administrator can configure the interface role to router according to the interface networking. Version 22.0 also supports policy-based filtering of ND packets.