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Detailed New H12-831_V1.0 Exam Questions for Concept Clearance
NEW QUESTION 146
The link status information between different S.4S processes of the routers around the Taiwan and Taiwan is considered to be sound insulation.
- A. True
- B. False
Answer: A
NEW QUESTION 147
Regarding MP-BGP, which of the following descriptions is wrong?
- A. MP-BGPthe message type,VPNv4route advertisement strategy andBGP-4same
- B. MP-BGPpass throughMP_REA, CH_NLRIandMP_UREA, CH_NLRItwo properties to advertiseVPNv4routing
- C. PEandCEpass betweenBGPWhen interactive routing, you need toCEup for eachVPNinstance creationBGPprocess
- D. MP-BGPneeds to beVPNv4route assignment private network label
Answer: C
NEW QUESTION 148
R1 executes the operation ping -a lO.l.Ll 10.5.16.2, what is the meaning of this command?
- A. pingpackage sourceIPaddress is10.1.1.1
- B. pingPurpose of the packageIPaddress is10.1.1.1and10.5.16.2
- C. pingpackage sourceIFPaddress isR1direction10.5.16.2the optimalIPThe outgoing interface address of the route, and is not
10.1.1.1 - D. pingpackage sourceIPaddress isR1any direct interface address of
Answer: A
NEW QUESTION 149
BGP authentication can prevent illegal routers from establishing neighbors with BGP routers. BGP authentication can be divided into ID5 authentication and Keychain authentication. Which of the followingBGP packets will carryBGPKeychain authentication information?
- A. Update
- B. Notification
- C. Keepalive
- D. Open
Answer: C,D
NEW QUESTION 150
Configure under a certain interface: isis timer hello 5 leve1-2, which of the following statements is correct?
- A. The hello packet sending interval of Level-1 and Leval-2 of this interface is 3s.
- B. The interval for sending Level-2 CSNP packets of this interface is 5s
- C. The interval for sending Level-1 hello packets on this interface is 5s
- D. The interval for sending Level-2 hello packets on this interface is 5s
Answer: D
NEW QUESTION 151
In intra-domain MPLS VPN networks, data packets will be encapsulated with two layers of MPLS when they enter the public network and are forwarded.
Label, a description of the two-layer label in the following options. What is wrong is:
- A. MPLS VPNThe outer label is made byLDPprotocol or statically assigneD. the inner label is assigned by the correct end MP-BGPassigned by neighbors
- B. M PLS VPNThe outer layer is labeled as a private network label, and the inner layer label is called a public network label.
- C. Layer labels are used inPEThe device sends the packet correctly to the correspondingVPNmiddle
- D. By default, the outer label is popped before the packet is forwarded to the last hop device
Answer: B,C
NEW QUESTION 152
Regarding the BGPI MPLS IPVPN network architecture, which of the following descriptions is wrong?
- A. Sites can visit each other through VPN, and a site can only belong to 1 VPN
- B. The BGP/MPLS IP VPN network architecture consists of three parts: CE (Customer Edge), PE (ProviderEdge), and P (Provider). PE and P are operator equipment, and CE is BGP/MPLS IPVPN user equipment.
- C. The P device only needs to have basic MPLS forwarding capabilities and does not maintain VPN related information
- D. Under normal circumstances, CE equipment does not perceive the existence of VPN, and CE equipment does not need to support MPLS, MP-BGP, etc.
Answer: A
NEW QUESTION 153
By default, the Domain ID of each OSPF process running on the router is the same as the process number of the process, which can be modified by the domain-id command under the process
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 154
A campus has deployed IPv6 for service testing. In the early stage of deployment, engineers wanted to achieve network interoperability through IPv6 static routes. When creating an IPv6 static route. You can specify both the outbound interface and the next hop, or only the outbound interface or only the next hop.
- A. True
- B. False
Answer: B
NEW QUESTION 155
The engineer used two routers to test the IPv6 service and simulated the interconnection between the headquarters and the branch by running BGP4+. As shown in the figure, an engineer captured the packet to check the Updte message sent by R1. Regarding the description of the message information, which of the following statements are correct? (Multiple choice)
- A. The next hop address of the route described in this message is: 2001:db8:2345:1::1\
- B. The length of the top and top strength of the routing address described in the message is: 2001:db8:2345:1::1/128
- C. The message describes only one BGP attribute, and the multi-protocol unreachable NLRI attribute
- D. This message describes the currently revoked IPv6 route
Answer: B,C,D
NEW QUESTION 156
(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 157
In OSPF, ABR will convert all Type 7 LSAs in the NSSA area into Type 5 LSAs.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 158
In the VLAN aggregation technology, multiple Sub-VLANs are used to isolate the wide recruitment area, and these Sub-VLANs are aggregated into a logical Super-VLAN. A company divides different departments into different Sub-VLANs because of the Sub-VLAN. VLAN not only includes physical connections, but also can establish a three-layer VLANIF interface, which can directly communicate with the external network on the three-layer.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 159
Engineer Guan used two routers to test IPv6 services. By running the BGP4+ module to communicate with the branch, as shown in Juxin, an engineer captured packets to view the Updte packets sent by R1. Which of the following statements is true about the description of the message information?
- A. This message describes only oneBGPAttribute: Multi-protocol unreachableNLRIAttributes
- B. This message describes the current cancellationIPv6routing
- C. The maximum and the preceding length of the routing address described in this packet is:2001:db8:2345:l::l/128
- D. The next hop address of the route described in this packet is:2001:db8:2345:l::l\
Answer: A,B,C
NEW QUESTION 160
Which of the following commands can be used to view BGP VPNv4 routing and BGP private network routing information on the PE?
- A. display vpnv4 bgp routing-table
- B. display bgp routing-table address-family vpnv4
- C. display bgp vpnv4 routing-table
- D. display bgp routing-table ipv4-family vpnv4
Answer: C
NEW QUESTION 161
Regarding the cause of the dual-master failure of the VRRP backup group, which of the following is the most unlikely?
- A. The link that transmits the VRRP notification message is faulty
- B. Master device sends 1 notification message per second
- C. The low-priority VRRP backup group discards the received VRRP notification packets as illegal packets
- D. The VRRP backup group IDs on both ends are different
Answer: B
NEW QUESTION 162
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