최신Huawei HCIE-Datacom V1.0 - H12-891_V1.0-ENU무료샘플문제

A. After the BFD one-arm echo function is turned on, the destination IP and source IP of the BFD message are inducted

B. The default destination IP address for the protocol message for BFD one-arm echo is 22400184

C. The BFD one-arm echo function must be configured with local identifiers and carrier identifiers

D. BFD One-Arm Echo function is suitable for scenarios where one device supports BDD and the other device does not support

A. The two routers establish IPSecVPN in main mode, and from the 5th message (included), the payload's data is often encrypted.

B. The two routers can establish an OSPF neighbor relationship through the IPSec VPN (19) channel and exchange intranet devices by

C. Brutal mode can support NAT traversal, while main mode does not support NAT traversal.

D. Two routers establish an IPSec VPN in brutal mode, so that the tunnel is built with a minimum of 4 messages interacting between the two devices.

A. Layer 2 gateway and VPN instance binding.

B. Layer 2 gateway: Used to solve the problem of tenant access to the VXLAN virtual network, it can also be used for subnet communication of the same VXLAN virtual network.

C. Layer 3 gateway: Used for cross-subnet communication of VXLAN virtual networks and access to external networks.

D. VXLAN Layer 3 gateways can be divided into centralized gateways and distributed gateways.

A. True

B. False

A. Special control message attacks

B. DDos Attack

C. Scan Probe Attack

D. Malformed Message Attack

A. 1LSA,2 3LSA

B. 1??LSA,2??LSA 5??LSA

C. 7?LSA

D. 1?LSA? 2?LSA

E. 3LSA 4LSA1 2

A. IPv6 introduced the Solicited-Node address to support IPv6 multicast.

B. The Solicited-Node address on the router interface is automatically generated and can have multiple.

C. If the Solicited-Node address is not configured, the router automatically generates one on each interface.

D. This is a specific address that is used for resolution in ARPv6. The MAC address.

A. Modify the next hop of locally originating traffic

B. In the scenario of multiple ISP egresses of enterprise networks, different network segments of the intranet access the Internet through different ISP egresses

C. The traffic accessed by the intranet and the extranet to the side-mounted security detection device is pulled on the core switch

D. Pull the traffic of the intranet and the Internet accessing each other on the core switch to the AC device attached to the side

A. iBGP-Multi-hop is not configured

B. IGP routing is not passable

C. BGP protocol version inconsistencies

D. Authentication is unsuccessful

A. True

B. False

A. True

B. False

A. RSTP has a smaller overhead

B. RSTP has a smaller timer

C. RSTP increases the variety of port states

D. RSTP does not converge based on timer

A. IBGP routes and EBGP routes that reach the same destination in the public network can form a load sharing

B. The AS_Path properties of the equivalent routes that form load sharing must be different.

C. If BGP load sharing is implemented, the local device needs to configure the peer next-hop-local command to change the next hop address to its own address when issuing a route to an IBGP peer group.

D. The destination CIDR blocks are the same, and load sharing can be formed between BGP routes with different sources.