2022 Updated Verified H12-831_V1.0-ENU dumps Q&As - 100% Pass Guaranteed
Provide Valid Dumps To Help You Prepare For HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Exam
NEW QUESTION 147
After a fault occurs, you need to collect and back up various types of fault information in time as a reference for troubleshooting. In addition, when seeking emergency assistance from Huawei Technologies Co., Ltd.
- A. False
- B. True
Answer: B
NEW QUESTION 148
As shown in the figure, the cost value of the link that all interfaces of the router enable OSPF is identified in the figure. Loogback0 interfect of R2 is advertised in area 0. In area 1, both R2 and R3 will be transmitted in the form of Typae3 LSA 10.0.2.2/32 routing information.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 149
As shown in the figure, in a medium-sized network, BGP generally deploys dual RRs to improve R reliability. When deploying dual RRs, the ClusterIDs of the two RRs are generally set to be the same. What is the reason for this?
- A. prevent suboptimal
- B. Prevent RR from receiving too many routes and causing insufficient memory
- C. prevent loops
- D. Prevent the client from receiving too many routes and causing it to run out of memory
Answer: B
NEW QUESTION 150
MPLS is called Multi-Protocol Label Switching. Regarding the label description in MPLS, the correct one is:
- A. MPLSSupports single-layer labels as well as multi-layer labels
- B. MPLSThe system has a variety of label publishing protocols, such asLDPis a label publishing agreement
- C. A label is a fixed-length identifier with only local significance, which is used to uniquely identify the group to which a group belongs.FEC
- D. Labeled byMIPLSheader of messageBIt has global significance, that is, the label values of all routers cannot be repeated.
Answer: A,B,C
NEW QUESTION 151
When a fault occurs, the fault can be classified to reduce the scope of fault location. Which of the following is not an interface configuration fault?
- A. The receiving and emitting power of both ends is inconsistent
- B. Inconsistent interface authentication
- C. The duplex modes of the interfaces on both ends are inconsistent
- D. IP address conflict
Answer: A
NEW QUESTION 152
(Connection) The default MPLS label release method and label distribution control method of Huawei routers and label retention methods are respectively
Answer:
Explanation:
NEW QUESTION 153
Basic QinQ can select the outer tag encapsulation method according to the type of business.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 154
As shown in the figure, configure a backhaul summary route 10.0.0.0/24 on the border route RT1. next hop to RT2. At the same time, the default route to the external network is configured. At this point, a routing black hole will appear. The following is about routing Is the black hole statement correct? (multiple choice)
- A. Configuring black hole routing can solve the routing black hole problem
- B. If the terminal in the network sends data packets to the network segment that does not appear on the internal network, a loop will occur
- C. Routing black hole has no impact on the network and can be ignored
- D. Precise routing can always avoid routing black holes
Answer: A,B,D
NEW QUESTION 155
In the VLAN aggregation technology, multiple Sub-VLANs are used to isolate wide-open domains, and these Sub-VLANs are aggregated.
Synthesizing a logical Super-VLAN, a company divides different departments into different Sub-VLANs, because Sub-VL AN not only includes physical connection, but also can establish three-layer VLAN ANIF interface, which can directly carry out three-layer communication with external network.
- A. False
- B. True
Answer: B
NEW QUESTION 156
How many bits are there in the label field of PLS?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 157
In order to prevent hackers from attacking user equipment or network through MAC address, the MAC address of untrusted users can be configured as black hole MAC address to filter out illegal MAC
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 158
What types of Link Types are included in the Router LSA in OSPF? (Multiple choice)
- A. Vlink
- B. P-2-P
- C. StubNet
- D. TransNet
Answer: A,B,C,D
NEW QUESTION 159
OSPFv2 is an IGP running on an IPv4 network, OSPFvV3 is an ICP running on an IPv6 network. OSPFv3 and OSPFv2 have the same message types, including Hallo messages, DD messages, LSU messages, LSU messages and SACK messages.
Regarding OSPFv3 packets, which of the following statements is correct?
- A. The He11o packet of OSPFv3 carries the IPv6 address prefix list of the router interface
- B. OSPFv3 uses IPv6 multicast addresses FFO2::5 and FFO2:.6 to send OSPFv3 packets
- C. OSPFv3 uses the link-local address as the source address of the sent message, and the message can be forwarded outside the range of the originating link
- D. OSPFv3 uses the authentication field in the header of the message to complete message authentication
Answer: B
NEW QUESTION 160
The network administrator A wants to use ACL to match only the four routing entries 1, 3.5, and 7 in the figure. How many ACL rules does the network administrator A need to configure at least?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 161
In the DU label distribution mode, if the Liberal retention mode is adopted, the device will retain all the labels distributed by the LDP Peer, regardless of whether the LDP Peer is the optimal next-hop to reach the target network segment.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 162
The description of the MPLS forwarding mechanism is correct
- A. ifTumel IDvalue is not0x0,into the normalIPForwarding process
- B. The system automatically allocates aI. also known asTunnel ID
- C. whenIPmessage entryMRLSdomain, the first thing to look at isFIBsurface
- D. ifTunnel IDvalue is0x0test entryMPLSForwarding process
Answer: B,C
NEW QUESTION 163
According to this picture, we can judge?
<Huawei>display ospf Isdb router self-originate OSPF Process 1 with Router ID 10.0.12J Area: 0.0.0.0 Type:Router Lsid: 10.0.12 J Adv rtr: 10.0.12.1 Ls age: 312 Len: 36 Options : A, BR E
\seq#:80000013
1 chksum : 0xc61c
I Link count: 1
1 * Link ID: 10.0.12.2
I Data : 10.0.12.1
, Link Type: TransNet
. Metric : 1
- A. R1onlylevel-2link state information
- B. R1ofsystem IDYesee8c.a0c2.bafl
- C. R1existinglevel", andlevel-1-2Dimensional state information of
Answer: B
Explanation:
Ds level-2In the network, there are a total of8Tailu Electric
NEW QUESTION 164
Because BGP is the EGP routing protocol, BGP routing policies can only be deployed between EBGP neighbors. Routing policies deployed between IBGP neighbors are invalid.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 165
What check items can be set in IPSG? (Multiple choice)
- A. VLANID
- B. MAC address
- C. IP address
- D. Outgoing interface
Answer: A,B,C,D
NEW QUESTION 166
MPLS has the concept of FEC-Forwarding Equivalence Class, so on which of the following standards cannot FEC be allocated based?
- A. Fragment of offiset
- B. Application Protocol
- C. Destination Addess
- D. Class of Service
Answer: A
NEW QUESTION 167
Which of the following statements about the MP_REA, CH_NLRI attribute of BGP4+ is correct?
- A. AFI (address family)value is2,representIPv6
- B. NLRIfield carryIPv6Routing prefix and mask information
- C. The length of the next hop address can be16or3
- D. the length of the next hop address is16Time,Network Address of Next Hopcarries the link-local address
Answer: A,B,C
NEW QUESTION 168
Which of the following is not part of the preparatory work for the cutover plan?
- A. field defense
- B. Root description of the current network
- C. risk assessment
- D. Cutover target
Answer: A
NEW QUESTION 169
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