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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam consists of a written exam and a lab exam. The written exam tests candidates on their theoretical knowledge of data communication technologies, including network design principles, protocols, and technologies. The lab exam tests candidates on their practical skills in designing, deploying, and troubleshooting data communication networks using Huawei’s networking equipment and technologies. Successful candidates are awarded the HCIE-Datacom V1.0 certification, which is recognized globally as a mark of expertise in data communication technologies and enhances career prospects in the field.
NEW QUESTION # 222
Which address prefix in the following options indicates that the address is globally unique and globally routable among unicast addresses in IPv6, similar to a public address in IPv4?(). Single choice questions).
- A. ::1/128
- B. 2000:;/3
- C. FE80:/10
- D. FE80::/10
Answer: B
NEW QUESTION # 223
The main routing policy tools that BGP can use are Filter-policy and Route-policy, where Fate-policy can only filter routes and Route-policy can only modify routes
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 224
Is the following description of the differences between IGMP name versions correct?
- A. IGMPv1 does not support specific group queries, while IGMPv2 does
- B. For members to leave, IGMPv2/v3 can actively leave, while IGMPvl cannot
- C. IGMPv1/2/v3 cannot support the SSM model
- D. IGMPv1/v2 cannot elect the queryer itself, while IGMPv3 can
Answer: A,B
NEW QUESTION # 225
Regarding the site in the BGP/MPLSIP VPN network architecture, the following description is correct?
- A. Under no circumstances can different sites that belong to the same VPN use overlapping address spaces
- B. Terminals connected to the carrier network through the same CE may belong to different sites
- C. Two geographically separated networks must belong to different sites
- D. A site is a set of IP systems, and a network of hosts cannot be called site
Answer: A,B,C,D
NEW QUESTION # 226
In the use of the LACP protocol, the following description is correct ?( Multiple select).
- A. The member interface can be removed from an enabled link aggregation group with the following command: interface GigabitEthemeto/0/1 Shutdown nterface Gigabithemet/O/1undo eth-trunklinterface GigabitEthemet0/0/1 undo shutdown
- B. You can avoid the Eth-Trunk interface from frequently shaking interface eth-trunk 1l lacp preempt enable lacp preempt delay delay-time with the following command
- C. Source IP address load sharing, interface eth-trunk1Load-balance src-dst-ip, can be configured in an enabled link aggregation group with the following command
- D. A chain cluster that can be initiated through an order Join the member interface :interface GigabitEthemeto/0/1 shutdown interface igabitEthemetO/0/1 tunkportGigabitEthermet0/0/1 interface GigabitEthermet0/0/1 Undo shutdown
Answer: A,B
NEW QUESTION # 227
The router port to which the policy is applied has been idle for about 10 seconds, and there is a huge burst of c1 type coming in an instant, so how many bytes will the packets that are colored green?
- A. 80128 bytes
- B. 32K bytes
- C. 256K bytes
- D. 48128 bytes
Answer: B
NEW QUESTION # 228
View the details of all VPN instances on a network device and the results are as follows, which of the following statements is wrong?( Multiple choice questions).
- A. The device assigns a label to each route of the VPN-Instance vpna.
- B. The total number of instances that enable the IPv6 address family in the VPN configured on this side is 1.
- C. The GigabitEthernet 1/0/0 interface is tied to the VPN-Instance vpna
- D. VPN-Instance vpna does not receive VPN routes with an RT of 2:1.
Answer: A,B
NEW QUESTION # 229
In order for routers at both ends of the IPv6 over lPv4 manual tunnel to exchange routing information, OSPV3 can be enabled on the tunnel, osPFv3 will be able to form a normal neighbor relationship, and the tunnel interface will be treated as a P2P link interface.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 230
As shown in the following topology, EBGP is running between ASI0O0, AS.203, AS.30, AS8400, and the neighbor relationship has been established as RECEIVed by AS4O0 When AS1OO issues a 1..11/2 CIDR segment BGP route, the path order recorded in the ASPath attribute is correct
- A. 400,300,200,100
- B. 300,200,100
- C. 100,200,300,400
- D. 10,200,3
Answer: B
NEW QUESTION # 231
The following link-LSA for OSPFv3 is correct?
- A. The Option field exists in the header of the LSA, not in the data area of the Link-LSA
- B. ?Link-LSA ???Prefix ?Prefixoptions ???Ox00,?? Prefix ????IPv6??????
- C. Contains both the link-local address of the interface and all IPv6 prefixes on the interface.
- D. Contains both the link-local address of this interface and all IPV6 prefixes of the same area on this router.
Answer: C
NEW QUESTION # 232
The topology diagram and configuration are as follows, and now we hope that there is no buttoned route entry of 10033/32 in the Rl route table
- A. Configure route rollup on R2 to summarize the route as 10000/16
- B. Configure route summarization on R3 to summarize the routes to 10000/16
- C. Configure filter-pollcy on top of R1 with 10033/32 via ACLL. Also applied in the Import direction
- D. Configure flter-policy on the above, match 10033/32 through ACL, and apply the answer in the expo direction
Answer: B,C
NEW QUESTION # 233
?? Route ? Policy ??:ip community-filter Ipermit 100: 1 ip as-path-filter 2 permit ^I00$ route-policy test permit node 10 if-match communityfilter 1 if-match as-path-filter 2 apply as-path 200 Is the above configuration description correct?
- A. As long as the BGP route carries a community attribute value of 100:1, the BGP route matches the route-policy above The AS-PATH attribute of the matching route is changed to 200
- B. The BGP route matches the above only if the BGP route carries a community attribute value of 100:1 and the AS-One PATH is 100 route policy? The AS-PATH nature of the matching route is changed to
200 - C. The BGP route matches the above only if the BGP route carries a community attribute value of 100:1 or if the AS PATH is 100 route one policy. The AS-one PATH attribute that matches the route is changed to 200
- D. Only if the BGP route carries an AS-PATH of 100, the BGP route matches the route one policy above.
The AS-one PATH attribute that matches the route is changed to 200
Answer: B
NEW QUESTION # 234
RTA is the source DR router, RTB is the RP router, and the multicast source sends multicast data to the RTA, but the PIM is not visible on the RTB Register the multicast source to which the message is registered, then the possible causes are ?
- A. Multicast network statically configures RP, while RTA router does not statically configure RP
- B. RTB to RTA has no unicast routing, causing the RTB to fail RPF checks for the source
- C. The RP elected by RTA is not an RTB
- D. The multicast network dynamically elects the RP instead RTA failed RPF check for BSR
Answer: A,B,C,D
NEW QUESTION # 235
Which of the following scenarios send free ARP messages?( Multiple choice questions).
- A. The DHCP client receives an acknowledgment message from the server after it sends it
- B. After the VRRP protocol master and standby role election is completed
- C. When a new host configured with an IP address is connected to the network
- D. When a host connected to the switch issues a Ping message.
Answer: A,B,C
NEW QUESTION # 236
As shown in the figure, in the HUB & Spoke networking mode of MPLS BGPVPN, in order to achieve the division can only communicate with the headquarters, the division can not communicate with each other When setting up RT, which of the following scenarios is this?( Radio).
- A. Headquarters: Impot Target:2:2; Expor Target:3:3
- B. import Target:12:3EpodTarget:12:3
- C. Headquarters: importTarget:1:1EpodTarget:3:3
- D. Headquarters: importTarget: 12:3EpodTarget: 3:12
Answer: D
NEW QUESTION # 237
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