Huawei Huawei Certifications H12-891 Questions & Answers

• Question 361:

  As shown in the FIGURE, in the HUB and Spoke networking mode of MPLS BGPVPN, in order to achieve the division, it can only communicate with the headquarters. Divisions cannot communicate with each other, and the settings for RT can be which of the following scenarios? (Multiple choice questions).

  

  A. ??:Import Target: 123; Export Target:123 ?? 1: lmport Target:123; Export Target:123 ?? 2:lmport Target: 12: 3; Export Target: 123

  B. ??: Ilmport Target: 1:1l; Export Target: 3:3 ?? 1: Import Target: 33; Export Target: 1.1 ??

  2:lmport Target: 3:3; ExportTarget: 2

  C. ??: lmport Target: 22; Export Target: 33 ?? 1: lmport Target: 33; Export Target: 1:1 ?? 2:lImport Target: 33; Export Target: 2

  D. ??: lmport Target:123; Export Target: 3:12 ?? 1:Import Target: 312; Export Target:123 ?? 2:Import Target: 3:12; Export Target: 12:3

  Correct Answer: D

• Question 362:

  The HW appliance network administrator plans to migrate IGMPv2 in the multicast network to IGMPV3 Where does IGMPV3 improve over IGMPv2?

  A. IGMPv3 adds the ability for hosts to specify multicast groups that do not join a specific multicast source

  B. IGMPv3 adds the ability for hosts to specify multicast groups that are joined to a specific multicast source

  C. IGMPv3 adds Request-to-send and Clear-to-send between source and local IGMP queries

  D. IGMPv3 removes the Report-suppression feature for membership reporting

  E. IGMPv3 removes the ability to include all sources in a wildcard group

  Correct Answer: ABD

• Question 363:

  Configuration under a certain interface: isis timer hello 5 level-2, the following statement is correct?

  A. The hello packets sent at level-1 and Leve1-2 are both 5s

  B. The hello packets sent at level-1 are sent at 5s interval

  C. The level-2 hello packet send interval is 5s

  D. The CSNP packet sending interval for this interface Level-2 is 5S

  Correct Answer: C

• Question 364:

  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. FE80:/10

  C. FE80::/10

  D. 2000:;/3

  Correct Answer: D

• Question 365:

  Regarding BGP/MPLS IP VPN routing interactions, the following description is incorrect?

  A. The ingress PE changes the IPv4 route received by the CE to the VPNv4 route, and the storage

  B. PE is carried out according to different VPN instances What interacts with the CE is IPv 4 routing information

  C. After receiving the VPNv4 route issued by the ingress PE, the egress PE filters the VPNv4 route according to the RT attribute carried by the route

  D. The egress PE can send an IPv4 route to the remote CE via BGP, IGP, or static routing

  Correct Answer: D

• Question 366:

  There is an existing router running OSPF HWL, HW1 interface serial0 is published in zone 1, configure commands under the OSPF process nssa default-route-advertise, based on the previous description, infers which of the following options are correct?

  A. When HW1 injects a default route into Zone 1, HW1's local route table can not contain a single default route

  B. HW1 injects a Type 7 default route into Zone 0

  C. HW1 injects a type 7 default route into zone 1

  D. HW1 injects a Type 3 default route into Zone 1

  E. When HW1 injects a default route into zone 1, HW1's local route table needs to answer the default route

  Correct Answer: CE

• Question 367:

  Four routers R1, R2, R3, and R4 run IS, and the I5S router type is noted in the diagram. All four routers have an area address of 49001, and looking at the routing table on R1l shows the following results, the reason why R did not reach the route of 1034344

  

  A. The routing policy configured on the ARO filters the System-ID of the default route

  B. R2 from conflicting with R3

  C. R and R4 Zone Planning Errors The System-ID of

  D. R2 conflicts with R1

  Correct Answer: C

• Question 368:

  The data results of a router are as follows, and the analysis conclusion is correct (single choice).

  

  A. The GEO/0/0 port of the A. R3 is in a different region than the neighbor

  B. The B. R3 router's Eth0/0/1 enables both IPv4 and IPv6 ISIS

  C. R3 is on the link where Eth0/0/0 is Eth0/ 1 of the LEVEL-1 and Level-2 DISC

  D. R3 routers Circuit-level is Level-1-2

  Correct Answer: D

• Question 369:

  In the city, that is, mpLS BGPVPN network, when the packet enters the public network forwarding, it will be encapsulated with two layers of MPLS tags, the following description of the two layers of tags, the error is?

  A. Private network tags are carried and distributed by MP-BGP when routing, and public network tags are distributed by the LDP protocol.

  B. MPLS BGPVPN uses two layers of tags: public labels (also known as outer labels) and private network labels (also known as inner labels).

  C. By default, the router assigns the same tag value to all VPNv4 routes destined for the peer

  D. The egress PE uses the inner tag when determining which egress CE the message should be sent to.

  Correct Answer: C

• Question 370:

  What is the security level for untrust zones in the USG Series firewalls? ( Radio).

  A. 50

  B. 5

  C. 10

  D. 15

  Correct Answer: B