| Exam Name: | HCIP-Datacom-Core Technology V1.0 | ||
| Exam Code: | H12-821_V1.0 Dumps | ||
| Vendor: | Huawei | Certification: | HCIP-Datacom |
| Questions: | 382 Q&A's | Shared By: | marlie |
CPU attack defense uses a multi-level security mechanism to implement hierarchical device protection. Match the following levels with the corresponding protection functions.

BFD can quickly detect faults in channels at multiple network layers, ensuring high reliability. To which of the following layers does BFD belong?
A Layer 2 switch supports multiple types of Ethernet interfaces. Similar to a trunk interface, a hybrid interface allows data frames from multiple VLANs to pass through. In addition, you can determine whether data frames from a VLAN sent out from a hybrid interface are tagged or untagged.
Roaming technology is typically used on a large WLAN to ensure that STA (station) services are not interrupted when STAs move between coverage areas of different APs.