New H12-891_V1.0-ENU Exam Questions To Pass HCIE-Datacom V1.0 Certification Exam

New H12-891_V1.0-ENU exam questions are available as the best online test preparation to help you pass HCIE-Datacom V1.0 certification exam. Candidate can be here to choose the best Huawei HCIE-Datacom V1.0 H12-891_V1.0-ENU exam questions to prepare well.

New H12-891_V1.0-ENU exam questions of HCDAtest have been confirm with actual questions and precise answers. Also, H12-891_V1.0-ENU exam free online test is available to help you check the quality of Huawei HCIE-Datacom V1.0 H12-891_V1.0-ENU exam questions. We have 25 free demo questions below for reading. If have any questions, please contact us via mail: [email protected].

Begin to Test:

1. After configuring the VLAN-based MAC address drift detection function, if the MAC address drifts, you can configure the actions of the interface according to your needs.
Which of the following is not a configurable action?

Send an alert

The MAC address blocks

Interface blocking

Traffic filtering

Question 1 of 25

2. The following statement about the alliance is correct? (Single choice questions).

The consortium divides an AS into sub-AS, and the alliance external AS still considers the consortium to be an AS

Subsystems within a consortium can use private AS numbers. Huawei NE/AR routers, a consortium can be configured with up to 32 subsystems

Consortium can easily detect the routing loop within the AS because EBGP is running between the subAS.

The subas number of the consortium, which by default notifies BGP peers outside the consortium

Question 2 of 25

3. For Layer 2 VPN technology, the following statement is correct? Multi-select

VPLS is a widely used technology in the live network, which can provide transparent transmission of three-layer messages and achieve multi-point access.

The VPLS configuration is complex and the Layer 2 network transmits BUM packets.

BGPEVPN supports features such as tenant isolation, Multi-homing, and broadcast suppression.

BGPEVPN addresses mac address drift and multi-tenancy that VPLS cannot support.

Question 3 of 25

4. If a DR needs to be elected between multicast routers running PIM-SM to be responsible for the sending and receiving of source or member multicast data, which one is described correctly below for the DR election rule?

PIM routers with long interface masks are elected dr.

Compare the DR priority first; With the same priority, you need to compare the interface IP addresses of the PIM routers to elect dr

PIM routers with small IP addresses are elected DR. PIM routers with low

DR priority values are elected DR.

Question 4 of 25

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

The Eth-Trunk interface can be avoided by frequent oscillation interfaceeth-trunkllacppreemptenablelacppreemptdelaydelay-time by following command

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

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

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

Question 5 of 25

6. ISIS elects DIS in broadcast multiplexed access networks, and the following statement about DIS is correct? (Multiple choice)

ISIS elects dis by comparing priorities, and mac addresses if the priorities are consistent

In a broadcast multiple access network, DIS sends Hello PDUs at three times the frequency

DIS guarantees database synchronization by periodically sending CSNP messages

DIS supports preemption function, after the new DIS preemption is successful, there is no need to flood any LSP packet

Question 6 of 25

7. A switch joins a running stacking system after powering up, a behavior known as heap overlay.

TRUE

FALSE

Question 7 of 25

8. XLAN uses BGP EVPN to establish a tunnel, what type of message is used? (Single choice questions).

Typel

Type2

Type3

Type4

Type5

Question 8 of 25

9. Is the following description of ospf virtual links correct?

A virtual connection can be established in any area, after which it itself belongs to the region

The virtual connection ip is used as the link address

Virtual links can be used to solve the problem of zone 0 being segmented

The cost of a virtual connection is zero and is the optimal link

Question 9 of 25

10. In RSTP, which port provides a backup path to reach the root node of the spanning tree?
What state is the port in?

Root Port and Listening Status

Alternate Port and Forwarding Status

Alternate Port and Learning Status

Designated port and Listening status

Alternate port and Discarding status

Question 10 of 25

11. IPV6 multicast introduces the concept of multicast scope, which of the following ways is the multicast scope concept implemented? Multi-select

When the group shake source sends IP6 multicast data, the TTL value of the packet is set to limit the transmission range of the group shake

There is a special field in the IPv6 multicast address that specifies the propagation range of multicast.

Multicast scope is just a concept of spreading scope, and there is no specific technical implementation.

During network configuration, the administrator uses the configuration command at the edge of the network to limit the multicast scope.

Question 11 of 25

12. Which of the following messages does the BGP protocol support?

Update

Open

Hello

Keepalive

Question 12 of 25

13. The following description of Filter-Policy is correct? (Radio).

With Filter-Policy, on ASBR in OSPF, type5LSA and type7LSA can be applied The build is filtered.

Prefix lists can be used to filter both routes and packets.

Filter-policy filters the link state information received or published, and can modify the properties of route entries.

When filtering routes using the pre-slow list, the table entry ip-prefxldeny0000 0 lese-qual 32 indicates that only the default route matches

Question 13 of 25

14. The following description of the link state protocol is plausible?

CPU utilization is high and loops are easy to generate

Slow convergence and low CPU utilization

Fast convergence and low CPU utilization

Fast convergence and high CPU utilization

Question 14 of 25

15. If the Option field value in the 0SPFv3 Hello message issued by the router's GIgabit Ethermet0/0 interface is 0x000013, the following description is correct

The Gigabit/thernetO/0/0 interface of Router A adds IPv6 routing to compute

Router A's Gigabit/thernetO/0/0 interface belongs to the NSSA zone

Router A supports AS-An External-LSA flood

Router A is an OSPFv3 device with forwarding capability

Question 15 of 25

16. How do 8021w and 8021D handle BPDUs?

8021D bridge only forwards BPDU packets received from the root bridge

The 8021D bridge does not forward BPDU messages

The 8021w bridge forwards only BPDU packets received from the root bridge

8021w Bridge does not forward BPDU packet

Question 16 of 25

17. As a network administrator, which of the following protocols can I use for network device configuration?

SSH

NETCONF

LLDP

SNMP

Question 17 of 25

18. MSTP switches treat RSTP switches as MSTP domains, MSTP, which are formed by a single switch The interchange resolves the RSTBPDU to MSTBPDU, where IRPC is 0

True

False

Question 18 of 25

19. CMPv6 uses the Type field to identify the message type, and according to the value of the type field, we can divide the ICMPv6 message into two categories, one is the error message and the other is the information message

True

False

Question 19 of 25

20. The BSR/RP mechanism described below describes the correct determination? (Multiple choice questions).
There can be multiple C-BSRs in the

PIM-SM domain, but only one BSR can be elected.

BSR collects C-RP information by receiving packets of C-RP

BSR advertises BSR and C-RP information to all routers in the PIM-SM domain via flood bootstrap messages

A C-BSR can also collect C-RP information by receiving C-RP packets

Question 20 of 25

21. After BGP introduces routes for other protocols, the next hop in the BGP routing table is consistent with the next hop of the introduced routing protocol

True

False

Question 21 of 25

22. Which of the following IEEE standards is specific to Gigabit Ethernet?

8023z

8023ab

8023ad

8023af

Question 22 of 25

23. SSH uses asymmetric encryption algorithms AES and DES to achieve security for data transmission, and uses HMAC to ensure the complete integrity of integer data

TRUE

FALSE

Question 23 of 25

24. In a VXLAN network, traffic is connected to the VXLAN network, and it can also be used to communicate with the same subnet within the same XLAN network

NVE interface

VXVAN L2 Gateway

VXLAN L3 Gateway

VLANIF interface

Question 24 of 25

25. In order to reduce the number of OSPF routes in certain areas, the OSPf protocol has developed special area functions, and the following description of the characteristics of OSPF special areas is correct

ASBR-Sunmary-LSA is allowed to be published to the NSSA region

AS-External-LSA is allowed to be published to the Stub region

Any OSPF zone can be configured as a special zone

Zone can be equipped with zhiyi

Question 25 of 25

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