최신 H12-821_V1.0-ENU 무료덤프 - Huawei HCIP-Datacom-Core Technology V1.0

A. Backup

B. Standby

C. Master

D. Slave

A. FALSE

B. TRUE

A. FALSE

B. TRUE

A. 00-00-5e-00-01-00

B. 01-00-5e-00-01-01

C. 00-00-5e-00-01-01

D. 01-00-5e-00-01-00

A. 20.0.1.0/23

B. 20.0.1.0/25

C. 20.0.1.0/28

D. 20.0.1.0/24

A. FALSE

B. TRUE

A. FALSE

B. TRUE

A. During the forwarding of the Layer 3 roaming tunnel, if the STA wants to access the atomic network, it needs to return the message to the HAP

B. The difference between direct forwarding in Layer 3 roaming and tunnel forwarding in Layer 3 roaming is whether the packet needs to be returned to the HAP

C. The difference between Layer 2 roaming forwarding and Layer 3 roaming forwarding is whether the subnet before and after STA roaming is the same subnet

D. There is no difference between direct forwarding in layer 2 roaming and tunnel forwarding in layer 2 roaming, both are forwarded directly in the local network of FAP or FAC

A. as-path-filter is a tool used to match the attribute in BGP routing information. It can filter BGP routes independently according to the AS Path attribute of BCP routing

B. The prefix list can only be used to filter routing information, not data packets

C. The access control list is used to match the address of routing information or data packets, and filter routing information or data packets that do not meet the conditions

D. community-filter is a tool used to match the community attributes in BGP routing information. It can filter BGP routes independently according to the Community attributes of BGP routes

A. Forwarding function

B. Management functions

C. Analysis function

D. Control function

A. There are four connection types described by Router-LSA, namely P2P, TransNet, StubNet and virtual link.

B. Each OSPF router uses only one Router-LSA to describe the local active connection status belonging to a district.

C. Routing information is only allowed to be released between backbone areas and non-backbone areas, and routing information is not allowed to be released directly between non-backbone areas.

D. The Link StateID described in the Type 3 LSA is the Router ID of the ABR.

A. Administrators can manage business policies on network-wide policy execution devices in the controller system.

B. Administrators do not need to check out the user's IP address when configuring policies.

C. In the business mobility solution, administrators do not need to repeat configurations on each device.

D. The controller is not only the authentication center in the campus network, but also the management center of business policies.

A. Advertise aggregate routes and detailed routes to other BGP neighbors

B. Only advertise aggregated routes to other BGP neighbors

C. Suppress the delivery of aggregated detailed routes to the IP routing table

D. Suppress the generated aggregate routes from being delivered to the IP routing table

A. BGP uses multicast updates

B. BGP sends complete routing table information for each routing update

C. BGP periodically sends OPEN messages to detect TCP connectivity.

D. BGP does not require periodic updates

E. BGP works at the transport layer, and the UDP protocol number is 179

A. Because the priority range is 1-255, when the priority value in the VRRP notification message received by the Backup device is 0, the Backup will discard the message without any processing

B. The routers in the VRRP group elect the Master according to the priority

C. The Master router notifies the device or host connected to it of its virtual MAC address by sending a gratuitous ARP message

D. If the Master router fails, the Backup router in the virtual router will re-elect a new Master according to the priority

A. FALSE

B. TRUE

A. The IGMPv1 message type does not include the member leave message

B. IGMPv1 supports general group query

C. IGMPv2 message types include member leaving messages

D. IGMPv2 does not support group-specific queries