Free Huawei (H12-831_V1.0) Certification Sample Questions with Online Practice Test
H12-831_V1.0 Certification Study Guide Pass H12-831_V1.0 Fast
NEW QUESTION # 41
As shown in the figure, a sham link is established between PE1 and PE2 through the LoopBackD interface. CE2 can learn the route to the 192.168.1.0/24 network segment (the direct route on CE1) through the sham link and backdoor link. If you keep the default configuration, the cost value of the route from CE2 to the 192.168.1.0/24 network segment should be (). (Please fill in the Arabic numerals directly, without symbols)
Answer:
Explanation:
4
NEW QUESTION # 42
The security protection actions that a secure MA, C address can perform does not include which of the following?
- A. Shutdown
- B. Remark
- C. Protect
- D. Restrict
Answer: B
NEW QUESTION # 43
After reset isis all is executeD. the IS-Is protocol process needs to be restarted and neighbors need to be re-establisheD. but various IS-IS statistics will not be cleared.
- A. False
- B. True
Answer: B
NEW QUESTION # 44
As shown in the figure, Client1 and Client2 act as clients of RR1 and RR2 at the same time, RR1 and RR2 are in the same Cluster, and R has introduced 10 routes. Assume that the BCP configuration is correct.
The neighbor relationship has been established. How many routing entries are there in the BGP routing table of Client2 ultimately?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 45
Which of the following commands can be used to view BGP VPNv4 routing and BGP private network routing information on PE?
- A. display bgp routing-table ipv4-family vpnv4
- B. display bgp routing-table address-family vpnv4
- C. display bgp vpnv4 routing-table
- D. display vpnv4 bgp routing-table
Answer: C
NEW QUESTION # 46
Which of the following commands can be used to view BGP VPNv4 routing and BGP private network routing information on the PE?
- A. display bgp routing-table ipv4-family vpnv4
- B. display bgp routing-table address-family vpnv4
- C. display bgp vpnv4 routing-table
- D. display vpnv4 bgp routing-table
Answer: C
NEW QUESTION # 47
According to this picture, we can judge:
- A. The system ID of R1 is ee8c.a0c2.bafl
- B. R1 has both leve1-1 and level-1-2 link state information
- C. R1 only has link state information for leve1-2
- D. In the leve1-2 network, there are a total of 8 routers
Answer: A
NEW QUESTION # 48
As shown in the figure, R1, R2, R3, and R4 are in the same MPLS domain, and LDP is used to allocate MPLS labels between devices. R4 is the FEC Egress LSR of 4.4.4.0/24. If you want to realize that when R1 accesses 4.4.4.0/24, R4 does not need to query the label table but can understand the forwarding priority of the data, then R3's outgoing label for the FEC should be (). (Please fill in the Arabic numerals directly, without symbols)
Answer:
Explanation:
0
NEW QUESTION # 49
Which description is correct about the MPLS forwarding mechanism? (Multiple choice)
- A. The system automatically assigns an ID to the upper-layer application that uses the tunnel, also known as Tunnel ID
- B. If the Tunnel ID value is not 0x0, enter the normal IP forwarding process
- C. When an IP packet enters the MRLS domain, the FIB table is the first to be checked
- D. If the Tunnel ID value is 0x0, enter the MPLS forwarding process
Answer: A,C
NEW QUESTION # 50
The Discovery message of LDP is used for neighbor discovery, and LDP has different discovery mechanisms when discovering neighbors. The following statement about the Discovery message in the basic discovery mechanism is correct
- A. This message is encapsulated inUDPIn the message, the destination port number is646
- B. TCPAfter the connection is establisheD. LSRdo not continue sendingHello Message
- C. Purpose of the messageIPaddress is multicastIPaddress224.0.0.2
- D. The message is sent to the specifiedLDP Peer
Answer: A,C
NEW QUESTION # 51
What is the meaning of ipv6 enable topology ipv6 in IS-IS protocol view?
- A. has no meaning
- B. SPFCalculated atIPv4,IPv6in the topology of the
- C. not supportIPv6ofSPFcalculate
- D. IPv4,IPv6use the same topologySPFcalculate
Answer: B
NEW QUESTION # 52
An engineer uses two routers to test IPv6 services, and simulates the interconnection between the headquarters and branches by running BGP4+. The logical topology of the network is shown in the figure. Regarding the transmission of IPv6 routes between the two devices, which of the following Is a statement wrong?
- A. When the route is transmitted, it will carry recognized mandatory attributes such as AS_Path
- B. BGP4+ transmits routing information between peers through Update packets
- C. The Next_Hop attribute must be an IPv6 global unicast address when routing
- D. If the MP_REA, CH_NLRI attribute is carried in the Update packet, it indicates that the advertisement is a reachable route
Answer: C
NEW QUESTION # 53
A certain park deployed IPv6 for service testing. At the initial stage of deployment, engineers wanted to achieve network interoperability through Pv6 static routing. When creating IPv6 static routes. You can specify both the outgoing interface and the next hop, or only the outgoing interface or only the next hop.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 54
Display interface GE0/0/0 once, and find that the Total Eror count (the total number of error packets on the physical layer of the interface) is not 0. At this point, it can be concluded that the current fault has not disappeared.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 55
What is the Router-ID of OSPFv3?
- A. 128bit value
- B. 32bit value
- C. 100bit value
- D. 64bit value
Answer: B
NEW QUESTION # 56
When B, CPIMPLS TP VPN is deployeD. the OSPF VPN Route Tag (VPN Route Tag) is not transmitted in the extended community attribute of MP-BGP, but the local concept is only meaningful on PE routers that receive MP-BGP routes and generate OSPF LSAs.
- A. True
- B. False
Answer: B
NEW QUESTION # 57
As shown in the figure, OSPF is enabled on all the routers. The IP address marked in the figure is the IP address of the loopbackO interface of the device. The LoopbackO of R1 and R2 is advertised in area 1, the LoopbackO of R4 is advertised in area 0, and the LoopbackO of R3 and R5E is advertised in area 0. In area 2, which of the following IP addresses can ping each other?
- A. 10.0.3.3and10.0.5.5 (same area1kind)
- B. 10.0.4.4and10.022 (normal calculation3kind)
- C. 10.022and10.0.5.5 (Non-backbone area received3class received does not count)
- D. 10.0.2.2and10.0.3.3 (Non-backbone area received3class received does not count)
Answer: A,B
NEW QUESTION # 58
As shown in the figure:
- A. There is no Type 3 LSA flooding in Area2
- B. There is Type 5 LSA flooding in Area2
- C. There is no Type3 LSA flooding in Area1
- D. There is Type 5 LSA flooding in Area1
Answer: C
NEW QUESTION # 59
Which of the following descriptions about MPLS header TTL are correct? (Multiple choice)
- A. Can prevent infinite loop forwarding of messages
- B. The processing method of copying the IP TTL value hides the LSR of the MPLS domain and plays a certain security role
- C. In the case of banning Bay TTL, tracert can see the LSR of the MPLS domain that it passes through
- D. There are two ways to correct MPLST and TTL. One is to copy the TTL value of the MPLS header when an IP packet enters the MPLS network. The other is to set the TTL of the MPLS header to 255 at the ingress LER.
Answer: A,D
NEW QUESTION # 60
In an MPLS VPN network, data packets are forwarded when they enter the public network. Will be encapsulated with two layers of MPLS labels. Which of the following description is correct about the processing of the data packet? (Multiple choice)
- A. The Egress PE device receives untagged IP packets
- B. The outer label of the packet received by the penultimate hop device is 3
- C. The packet is forwarded to the Egress PE device after the outer label pops up on the penultimate hop device
- D. The Egress PE device correctly sends the data packet to the corresponding VPN according to the inner label
Answer: C,D
NEW QUESTION # 61
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