H12-891_V1.0 Dumps PDF - H12-891_V1.0 Real Exam Questions Answers
Get Started: H12-891_V1.0 Exam [2023] Dumps Huawei PDF Questions
NEW QUESTION # 183
What is correct about the multicast message forwarding?
- A. RPF check failure indicates that the multicast data packets are received from a suboptimal interface, but the interface still receives multicast traffic and forwards it downstream
- B. The source address of the multicast message is the unicast address
- C. IGMP snooping function can not control the range of multicast traffic in the Ethernet flood
- D. In the multicast transmission mode, the destination address of the message can specify the location of the receiver
Answer: B
NEW QUESTION # 184
A bookstore provides a wired network for customers to learn online. However, one day, it was found that some users could not access the network, and after inspection, it was found that the IP resources of the DHCP address pool had been exhausted. Which of the following is the best way to solve the problem of the moment?
( Single choice questions).
- A. Configure the IPSG
- B. Configuration DAI
- C. Configure the static ARP binding table
- D. Limits the maximum number of DHCP Snooping binding table entries that the interface allows to learn
Answer: D
NEW QUESTION # 185
Users hope to be able to make the router forward and select messages according to their own defined policies on the basis of traditional route forwarding, and can adopt policy routing, and the following description of policy routing is incorrect
- A. Policy-based routing can be used to match message lengths
- B. Policy Routing cannot be used to set IP precedence
- C. Policy Routing can set the next hop IP address
- D. Policy Routing cannot be set in the next statement DSCP
Answer: B
NEW QUESTION # 186
IPv6 introduces the Solicited-Node address, which is described correctly below (multiple choice)
- A. If the Solicited-Node address is not configured , the router automatically generates one on each interface.
- B. The Solicited-Node address on the router interface is automatically generated and can have multiple.
- C. This is a specific address that is used for resolution in ARPv6 The MAC address.
- D. IPv6 introduced the Solicited-Node address to support IPv6 multicast.
Answer: B
NEW QUESTION # 187
Is the following description of the BSR/RP mechanism correct?
- A. PIM-SM domain can have more than one C-BSR, but only one BSR can be elected by the C-BSR that receives the C-RP Packets are collected C-one RP information
- B. BSR advertises BSR and C-RP information to all routers in the PIM-SM domain by flooding Bootstrap packets
- C. A C-BSR can also collect C-RP information by receiving C-RP packets
Answer: A,B,C
NEW QUESTION # 188
The firewall has created some security zones by default, which of the following security zones does not exist by default on the firewall?( Radio).
- A. DMZ
- B. Trust
- C. Local
- D. Internet
Answer: D
NEW QUESTION # 189
How do IGMPv2 routers maintain cinderband group membership? Multi-select
- A. The router maintains a timeout timer for each group membership, refreshes the timer if the receiver host is received, and deletes the group membership if the timer times out
- B. As soon as the leave message is received, the router immediately deletes the group membership
- C. The router periodically sends a Query message, and after the receiver host receives the Query message, it reports a Report message
- D. The router queries a specific group
Answer: A,C
NEW QUESTION # 190
SNMPv3 defines which security features
- A. Accounting
- B. Domain checking
- C. Privacy
- D. Authentication
Answer: C,D
NEW QUESTION # 191
Among the routing policy tools commonly used by BGP, which ones can be used to filter routes?
- A. Traffic-policy
- B. lp extecommunity-filter
- C. filter-policy
- D. Route-policy
Answer: B,C,D
NEW QUESTION # 192
A routing tool can define multiple entries. Which tool will automatically add a deni-any entry at the end of the configuration?
- A. Community-tilter
- B. Route policy
- C. AS-path-filter
- D. IP-prefix
Answer: A,B,C,D
NEW QUESTION # 193
The following description is correct regarding route control
- A. OSPF, ISIS, and BGP can issue default routes.
- B. IBGP routes can be introduced using the impot-route BGP command
- C. In Node 10, if-match community-fiter1 and f-match as-pah-fiter1 are "and the relationship
- D. AS-path-fiter is for AS-path, which affects the routing of paths.
Answer: A,C,D
NEW QUESTION # 194
Router RL and Router R2 run BGP both routers are in the AS65234 The router R2 route is present in the BGP routing table of router RI, but not in the P of router R1 road
- A. With BGP, both routers are in the AS65234 Route cry PD is done by the right big worker
- B. By the table, so what causes the problem to occur? A, synchronization is turned off
- C. Router R1 does not enable BGPMulti-hop D Routing is not optimal
- D. The BGP neighbor relationship is Down
Answer: C
NEW QUESTION # 195
In 0SPFv3 , Router-LSA is generated by each router, which describes the interface address and cost of each link of the router, and also includes the RouterlD of the neighbor router
- A. True
- B. False
Answer: B
NEW QUESTION # 196
A medium-sized campus network manages the network through the SNMP protocol, and the campus is highly network-safe, so which version of SNMP is recommended for management?
- A. SNMPV3
- B. All versions are available to implement
- C. SNMPv1
- D. SNMPv2C
Answer: A
NEW QUESTION # 197
In the laboratory network, the network is built according to the following topology diagram, SWI is the default configuration, and SW2 disables the switch STP function.
- A. SG0/0/2 for WI enters the Discarding state
- B. SWI's G0/0/1 enters the Discarding state
- C. SW2 G0/0/2 enters discarding state
- D. No interface is backed up for blocking
- E. SW2 and G0/0/1 enters the Discarding state
Answer: D
NEW QUESTION # 198
The following topology diagram is available, and it is correct to analyze the following statement accordingly
- A. Because R does the route aggregation, R1 Only route entries of 10000/16 exist in the IP routing table
- B. R1's IP routing table has both 10033/32 and 10000/16-bit route entries
- C. There are route entries for 100 2/32 and 10000/16 in the IP routing table for AR1
- D. There are route entries for 100 2/32 and 10033/32 in the IP routing table for R1
Answer: B
NEW QUESTION # 199
The BSR/RP mechanism described below describes the correct determination ?( Multiple choice questions).
There can be multiple C-BSRs in the
- A. A C-BSR can also collect C-RP information by receiving C-RP packets
- B. BSR advertises BSR and C-RP information to all routers in the PIM-SM domain via flood bootstrap messages
- C. PIM-SM domain, but only one BSR can be elected.
- D. BSR collects C-RP information by receiving packets of C-RP
Answer: B,C,D
NEW QUESTION # 200
When running OSPFv3 on a Huawei router, the OSPFv3 process automatically selects an interface address as the process router id
- A. True
- B. False
Answer: B
NEW QUESTION # 201
In the IS-IS broadcast network type, when establishing an adjacency relationship, if the router interface priority is set to 0, it will not participate in the dis election
- A. True
- B. False
Answer: B
NEW QUESTION # 202
Which of the following tools cannot be referenced directly by the If-match clause in Route-policy?
- A. Community-filt
- B. IP-prefix
- C. Regular expression
- D. AS-path-filter
Answer: C
NEW QUESTION # 203
0SPFV2 is running on the IPV4 network IGP: OSPF3 is running in the IPV6 network, OSPF35 OSPFV2 has the same message type. Includes hello messages, DOD messages, LSR messages, LAU messages, and SAX messages about OSPP The following statement is correct?
- A. OSPFv3 uses the authentication field of the packet header to complete the packet authentication
- B. OSPFv3 uses the link-local address as the source address for sending packets, which can be forwarded outside the range of the originating link
- C. The hello packet of OSPFv3 carries the IPV6 address prefix of the router interface
- D. OSPFv3 sends OSPFv3 packet using the IPV6 multicast addresses FF02::5 and FF02
Answer: D
NEW QUESTION # 204
Off-stem cross-domain VPN-Option B scenario, the following description is incorrect?
- A. The cross-domain VPN-Option B scheme is not limited by the number of interconnection links between ASBRs
- B. During the packet forwarding process, it is necessary to exchange the VPN's private network LSP on the
- C. The outer layer tag is exchanged between two ASBRs to vpnV4 routes.
- D. two ASBRs IP-EBGP neighbor relationships.
Answer: C
NEW QUESTION # 205
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 summarization on R3 to summarize the routes to 10000/16
- B. Configure filter-pollcy on top of R1 with 10033/32 via ACLL. Also applied in the Import direction
- C. Configure flter-policy on the above, match 10033/32 through ACL, and apply the answer in the expo direction
- D. Configure route rollup on R2 to summarize the route as 10000/16
Answer: A,B
NEW QUESTION # 206
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