H12-891 Online Practice Questions and Answers

What are the types of link types included in OSPF's route LSA?

A. Stubnet

B. P-2-P

C. VLINK

D. Fransnet

If there is a switch running RSTP, which interface on that switch sends the BPDU with the Proposal logo??

A. The specified port

B. in the forwarding state. The specified port in a non-forwarding state

C. Alternate port

D. The root port in the Blocking state

By default, routers running IS-IS in broadcast networks have a period of seconds for DIS to send CSNP packets?

A. 33

B. 40

C. 30

D. 10

In order to reduce the number of OSPF routes in some unscheduled areas, the OSPF protocol has developed special area functions, and the following characteristic description of ospf special areas is correct?( Single choice questions).

A. ASBR-Sunmary-LSA is allowed to be published to NSSA regions

B. AS-External-LSA is allowed to be published to Stub regions

C. Any OSPF zone can be configured as a special zone

D. Special area routers cannot establish OSPF neighbor relationships with regular area routers

The correct statement about the IGMP proxy is ? Multi-select

A. The downstream interface of the IGMP proxy device generates multicast relay table items

B. IGMP proxy can detect the link status with the linkage through the information of the member host joining/leaving the multicast group, and realize the rapid switching of the primary and standby device links

C. IGMP proxy is typically deployed on devices between hosts that are members of the access device The

D. IGMP proxy device cannot send query messages to downstream member hosts in place of the IGMP queryer to maintain group membership

By default, huawei firewalls provide the following security areas:

A. Trust zone

B. Security zone

C. Local zone

D. Untrust Zone

When the ACL in the VRP has multiple matching rules (rules), the matching order is about Which of the following statements is true?( Confirmed).

A. By default, matching is based on the principle of "depth first"

B. By default: Match in the order in which the perfect is matched first, then deny is matched.

C. By default, rule-ID is followed Match from small to large

D. There is only one matching order and cannot be modified

When the ABR is a Type 5/7 LSA Switch router in the NSSA zone, then the ABR can be used against the Type 7 LSA The converted type 5 LSA is aggregated.

A. True

B. False

As shown in the figure, Department A of Branch 1 has access to the Internet, but Department B can only use an encrypted VP to access headquarters resources, and NAT can be configured on the egress device The policy enables Department A to access the Internet, while the PSecVPN (ESP Protocol) + Tunnel mode method configured for Department B gives it access to headquarters.

A. Right

B. Wrong

The OSPF3 protocol is a separately developed protocol that differs somewhat from OSPF2 in that OSPFv3 is link-based rather than network segmented, and the following statement is incorrect?(). Single choice questions).

A. Two OSPF routers connected to the link can establish a neighbor relationship even if their IPv6 address prefixes are different

B. The routing information obtained by the B. OSPFv3 router from the neighbor uses the neighbor's Link-Local address as the next hop in the forwarded packet

C. For two OSPF routers connected to the link, you can establish a neighbor relationship even if you do not configure a unicast IPv6 address

D. All OSPFv3 interfaces use the Link-Local address as the destination address of the message