Huawei H12-891_V1.0 Based on Real Exam Environment

After modifying the original Stub area to a Totally Stub area, the number of LSAs in the LSDB of each router in the region will definitely be reduced

ASBR cannot be present in either the Stub zone or the Totally Stub zone

When you modify the original Stub area to a Totally Stub region, the number of LSAs propagating within the region will definitely decrease

If there are two ABR in the Totally Stub zone, each ABR sends an LS ID of 0000 to the router in the zone LSA

Sub-VLAN is used to isolate broadcast domains

A Super VLAN can contain one or more Sub-VLANs

The super Sub-VLAN contains a physical interface that can establish a Layer 3 VLANIF interface

Sub-VLAN contains a physical interface that can establish a Layer 3 VLANIF interface

When the public network tag is LDP only , for cross-domain VPN-optionC scenario 2, a three-layer tag is required in the packet forwarding process.

For the cross-domain VPN-OptionB approach, an MP-eBGP neighbor relationship needs to be established between the two ASBRs.

For the cross-domain VPN-OptionA mode, the route passed between the two ASBRs is a normal IPv4 route.

For the cross-domain VPN-OptionB approach, two ASBR-PEs are interconnected with multiple interfaces (including sub-interfaces), each associated with a VPN, each ASBR PE treats the peer as a CE.

Added maximum response time field

Added high group messages

Added specific group query message

Added a specific source group query packet