H12-891 Online Practice Questions and Answers

In the use of the CP protocol, the following description is correct?

A. The Eth-Trunk interface can be avoided by frequent oscillation interfaceethtrunkllacppreemptenablelacppreemptdelaydelay-time by following command

B. Source A address can be configured for load sharing in an enabled link aggregation group with the following command: interface eth-trunk 110ad-balance src-dst-ip

C. A member interface can be removed from an enabled link aggregation group with the following command: interface GigabitEthernet0/0/1 shutdown interface GigabitEthernet0/0/1 undo eth-trunk 1 interfaceGigabitEthernet0/0/1undoshutdown

D. The member interface can be joined in the link aggregation group by enabling the following command: interface GigabitEthernet0/0/1 shutdown interface GigabitEthernet0/0/1 trunkport

Among the routing policy tools commonly used by BGP, which ones can be used to filter routes?

A. filter-policy

B. Route-policy

C. lp extecommunity-filter

D. Traffic-policy

You need to configure smart policy routing on the router to specify that specific traffic is forwarded through an interface. When policy-based routing is applied, what are the two most typical types of information that can be used to forward traffic along a particular path?

A. The TTL and source IP address of the packet

B. Source A address and the Layer 2 source address

C. Source IP address and specific protocol (such as FTP, HTTP, etc.)

D. Service type header and message length

What is the following correct for the process of registering the source-side DR with RP in PIM-SM?

A. Encapsulated in the registered message is multicast service data

B. RP sends a registration stop message as soon as it receives the registration message.

C. Registered messages are used to build the RPT tree between source DR and RP

D. Registered packets are multicast packets.

What are the characteristics of Syslog information?

A. The transmission of Syslog messages is not secure

B. The transmission of Sysiog messages is reliable

C. The transmission of Syslog messages is confirmable

D. The transmission of Syslog messages is secure

E. The transmission of Syslog messages is not acknowledgable

F. The transmission of Syslog messages is unreliable

With an existing network running OSPF, what types of LSAs cause ISPF operations?

A. 2 ?LSA

B. 3 ?LSA

C. 1 ?LSA

D. 5 ?LSA

E. 4 ?LSA

The following description of IGMPv1 and IGMPv2 is correct?( Multiple select).

A. IGMPv2 message types include member departure packets

B. IGMPv2 does not support specific group queries

C. IGMPv1 supports universal group queries

D. The IGMPv1 message type does not contain members leaving the packet AD

Which of the following routing tools is unique to BGP?

A. Route-policy

B. ACL

C. IP-prefix

D. AS-path-filter

In an intra-domain MPLSVPN network, when a packet enters the public network and is forwarded, it is encapsulated with two layers of MPLS tags, and the description of the two layers of tags in the following options is incorrect

A. The outer label of mpls VPN is assigned by the LDP protocol or statically, and the inner label is assigned by the MP-BGP neighbor of the peer

B. The outer label of MPLS VPN is called a private network label, and the inner label is called a public network label

C. The outer label is used to correctly send packets to the appropriate VPN in

D. on the PE device By default, the outer label is ejected before the packet is forwarded to the last hop device

The following statement about VXLAN gateways is incorrect

A. 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.

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

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

D. Layer 2 gateway and VPN instance binding.