Valid H12-891_V1.0 Exam Q&A PDF H12-891_V1.0 Dump is Ready (Updated 610 Questions)
Exam Questions and Answers for H12-891_V1.0 Study Guide
NEW QUESTION # 243
In an HWIP multicast network, where multiple sources exist and each source has several receivers, which protocol allows source-to-RP traffic and RP-to-receiver traffic to share the same tree 2?
- A. PIM SM
- B. MOSPF
- C. 56768GZliuji
- D. DVMRP
- E. PIM-DM
Answer: C
NEW QUESTION # 244
The following statement about the VPNv4 address is wrongly described as ?
- A. Carries the RD attribute when BGP publishes both reachable and unreachable VPNv4 routes.
- B. Local PE sets up An Export Target for these routes before releasing VPNv4 routes learned from sites that are directly connected to them to other PEEs attributes, and are published with routes as extended community attributes for BGP.
- C. The VPNv4 address has a total of 12 bytes, including an 8-byte route identifier RD (Route Distingulisher) and a 4-byte IPv4 Address prefix.
- D. By default, PE does not perform VPN-target filtering on received VPNv4 routes.
Answer: D
NEW QUESTION # 245
Which of the following options is correct?
- A. Unicast and broadcasting cannot effectively achieve data transmission between one source and multiple destinations on P2MP, but multicast technology can
- B. Multicast technology is able to reduce redundant traffic, so network bandwidth can be saved C.
Multicast technology is used for "-to-many" applications - C. Since multicast is based on TCP to establish a connection, multicast technology can ensure the reliable transmission of data
Answer: B,C
NEW QUESTION # 246
As shown in the figure, a company wants to achieve secure mutual access between the head office and branches through MPLSVPN, and at the same time requires that the IPN traffic of the branch bank must be forwarded through the head office to achieve traffic monitoring
- A. VPN routing information can be exchanged between CE and PE using BGP messages
- B. When Hub-CE passes routing information with Hub-PE, you need to configure a route on Hub-PE that allows receiving AS numbers to be repeated 1 time to receive routes published by Hub-CE
- C. An MP-IBGP peer relationship is established between Spoke-PE and THE VPN routing information is exchanged.
- D. Between Hub-CE and Hub-PE, and between Spoke-PE and Plan-CE, routing information can be exchanged using the OSPF protocol
Answer: C
NEW QUESTION # 247
As shown in the figure, a company sets up an OSPF network. The links in the figure all form OSPF adjacencies, and all OSFP devices declare their own loopback addresses. One day SIR2 The two links of the S2AR1 suddenly failed, and in order to detect if the network was operating properly, the engineers performed a device status check, which is correct as described below
- A. R3 can not learn the loopback route to R2
- B. R5 can normally learn the loopback route to R2
- C. R3 of R2 The loopback route of R2 can be learned normally
- D. R1 can normally learn the loopback route
Answer: A,B
NEW QUESTION # 248
If we have a VPN instance configured on a router, if we need to view the VPN route on a Huawei router, which of the following commands should we use?
- A. display ip routing-table vpn-instance vpn-instance-name
- B. display ip vpn-instance
- C. display vpn routing-table
- D. display ip routing-table
Answer: A
NEW QUESTION # 249
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
- A. ASBR-Sunmary-LSA is allowed to be published to the NSSA region
- B. AS-External-LSA is allowed to be published to the Stub region
- C. Any OSPF zone can be configured as a special zone
- D. Zone can be equipped with zhiyi
Answer: D
NEW QUESTION # 250
The following description of IGMPv1 and IGMPv2 is correct?( Multiple select).
- A. The IGMPv1 message type does not contain members leaving the packet AD
- B. IGMPv1 supports universal group queries
- C. IGMPv2 does not support specific group queries
- D. IGMPv2 message types include member departure packets
Answer: A,B,D
NEW QUESTION # 251
What are the three ways to send IPv4 messages?
- A. Multicast
- B. Unicast
- C. broadcast
- D. Any broadcast
Answer: A,B,C
NEW QUESTION # 252
VPN instances are also known as VPN routing forwarding tables (PN Routing and Forwarding table), and there are multiple route forwarding tables on the PE, including a public route forwarding table, one or more VPN route forwarding tables, and VPNv4 Route forwarding table.
- A. False
- B. TRUE
Answer: B
NEW QUESTION # 253
What check frames can IPSG set?
- A. Out of the interface
- B. IP address
- C. VLAN ID
- D. MAC address
Answer: B,C,D
NEW QUESTION # 254
RD is used to distinguish the same IP address in different VPNs, how many bits does RD contain ? (Single choice)
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 255
In the following topology diagram,
R1 can be established between R2 and R3 fetches the Internet, RI and R2, R1 and R3 EGP connections, R2, R3 belong to the same AS The default routes are issued through BGP separately, requiring R2 to be preferred for traffic accessed by RI to the Internet, and the following practices can be achieved
- A. R2 specifies that peer R1 is in export The direction setting local priority is 150
- B. R1 specifies the peer R2 sets the local priority in the import direction to 150
- C. R2 specifies peer R1 in the export direction setting MED property to 150
- D. R1 specifies that peer R3 sets the MED property to 150 in the import direction
Answer: B,D
NEW QUESTION # 256
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
Answer: A,B,D
NEW QUESTION # 257
Regarding the MPLS basic forwarding process, the following description is incorrect? Radio
- A. The transport node device replaces the existing top-of-stack label (outermost label) with the label assigned by the next hop device.
- B. By default, the PHP-enabled Erass node assigns a label value of 3 to the inverted second-hop node.
- C. When an IP message enters the MPLS domain, the MPLS boundary device inserts a new label between the layer 2 header and the IP header.
- D. When the P message enters the MPLS domain, check whether the Tunel lD value corresponding to the destination IP address is Ox0O If the Tunel IlD value is Ox0 Then enter the MPLS forwarding process.
Answer: D
NEW QUESTION # 258
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