[2022年01月最新リリース]H12-261-ENU問題集でHCIE-R&S認証 [Q270-Q290]

[2022年01月最新リリース]H12-261-ENU問題集でHCIE-R&S認証

最新の完璧なH12-261-ENU問題集問題と解答で100%パスさせます

質問 270
Router HW is enabled with OSPF and the role of the router HW is ABR, and abr-surmnary is configured. Which classes of LSA will be aggregated?

• A. Class 3 LSA
• B. Class 1 LSA
• C. Class 4 LSA
• D. Class 5 LSA
• E. Class 2 LSA

正解: A,B,E

 

質問 271
Which of the following is the correct description of the route priority for ISIS?

• A. The LeveI-1 and Leve-2 routes in the ISIS database have different routing priorities.
• B. ISIS aggregated route has a priority of 10
• C. The routing priority of ISIS cannot be modified.
• D. The default route of ISIS priority is 15.

正解: D

 

質問 272
Both ISIS CSNP packets and OSPF DD packets are in the MA network, describing the role of the link state database profile. Which of the following statements is correct?

• A. Both routers need to confirm the two routers after sending them. Otherwise, they need to be retransmitted.
• B. The master-slave relationship in the DD packet exchange of OSPFA is not bound to the DR/BDR. The CSNP packet is generated only by the DIS.
• C. Once the adjacency relationship is established, CSNP packets and DD packets will stop sending.
• D. The two routers do not need to confirm the peer router after sending.

正解: B

 

質問 273
Which is wrong about IPv6 Over VXLAN?

• A. The tunnel between the Layer 2 and Layer 3 gateways of the VXLAN is an IPv4 network.
• B. IPv6 over VXLAN means that Vxlan's Overlay network is an IPv6 network.
• C. IPv6 over VXLAN can solve the problem of insufficient IP address resources for terminal tenants.
• D. IPv6 Over VXLAN does not generate entries.

正解: D

 

質問 274
Which of the following description about the OSPF virtual link is true?

• A. The virtual link can be used to solve the problem that area 0 is divided.
• B. The virtual link uses the outbound interface P as the link address.
• C. A virtual connection can be established in any area, and itself belongs to the area after it is established.
• D. The cost of the virtual link is the optimal link.

正解: A

 

質問 275
Four routers R1, R2, R3, and R4 run ISIS, the ISIS router type is marked, and the routing table is viewed on R1. The reason why R1 does not reach the route of 10.34.34.4 is

• A. R2's system-ID conflicts with R1
• B. Configure a routing policy on R2 to filter the default route.
• C. Regional planning errors for R3 and R4
• D. R2's system-ID conflicts with R3

正解: C

 

質問 276
When you troubleshoot a LAN that has Huawei devices deployed, you find that there are many unicast frames with unknown source MAC addresses in the LAN. What is the greatest harm that many unknown source MAC address unicast frames will cause to the switch?

• A. Occupy TCAM entries
• B. Occupy the memory of cached frames
• C. Increase the power consumption of the power supply
• D. Consume available bandwidth
• E. Consume available MAC address entries in the system

正解: E

 

質問 277
A switch is running the Rapid Spanning Tree Protocol (RSTP).
Upon a topology change, what happens to dynamic entries in the L2 forwarding table?

• A. All entries are removed except for entries behind edge ports.
• B. All entries are removed (purged).
• C. All entries are removed except for those behind edge ports and the port where TC was received.
• D. Only entries behind the port where TC was received are removed.
• E. The aging timer is set to 15 seconds, so idle entries age out.

正解: C

 

質問 278
To which NMS 's SNMP message type event reports sent are reliable?

• A. Inform
• B. Get bulk
• C. Trap
• D. Response
• E. Get

正解: A

 

質問 279
Two routers are connected through the serial port, but the interconnection interface cannot be pinged. Now check the port status as follows, which is the possible reason? (No figure is shown, one PPP, and one HDLC, you can find the reason.)

• A. Link bandwidth is not enough
• B. Link layer protocol is inconsistent
• C. The IP address is not on the same network segment.
• D. Subnet mask does not match

正解: B

 

質問 280
Regarding route introduction, which of the following description is wrong?

• A. Introducing IBGP routes in OSPF may cause routing loops.
• B. After the ISIS level-2 network route is imported to the level-1 route, the routing loop is formed if the import policy is not manually configured.
• C. bgp supports both import and network when generating routes. Network mode is more accurate.
• D. By default, the default metric of the external route redistributed by OSPF is 1, and the imported external route type is Type2.

正解: B

 

質問 281
Which is wrong about the EVPN Type 5 class routing?

• A. The IP Prefix field can carry either the host IP address or the network segment address.
• B. Type 5 routing carries Layer 3 VNI.
• C. Type 5 is an IP prefix route.
• D. Type 5 routing carries both Layer 2 VNI and Layer 3 VNI

正解: D

 

質問 282
Which AS_PATH can be matched by command ip as-path-filter 1 permit ^12.*74$?

• A. AS_PATH ( 125 328 74 23 )
• B. AS_PATH ( 123 621 743 2374 )
• C. AS_PATH ( 32 1274 23 )
• D. AS_PATH ( 321 12 2374 )

正解: B

 

質問 283
The association between LDP and IGP refers to the suppression of the issuance of reachable routes through IGP. To ensure that the LDP and IGP linkages complete network convergence. Make the IGP and LDP keep the path consistent. Minimize the loss of traffic and improve the reliability of the entire network.

• A. True
• B. False

正解: A

 

質問 284
In order to reduce the number of OSPF routes in some stub areas, OSPF has developed a special area function. Which of the following description is true about the OSPF special area feature?

• A. ASBR-Summary-LSA is allowed to be advertised to the NSSA area.
• B. Special area routers cannot establish OSPF neighbor relationships with regular area routers
• C. Any OSPF area can be configured as a special area
• D. As -External-lsa is released to the Stub area

正解: B

 

質問 285
Which of the following description of the 8021s deployment features is correct?

• A. All VLANs share a spanning tree instance
• B. Each VLAN shares a spanning tree instance
• C. Multiple bridges share a spanning tree instance
• D. Multiple VLANs share a spanning tree instance

正解: D

 

質問 286
Regarding the way the device handles packets in the MPLS network model, which of the following description is wrong? (Multiple Choice)

• A. LSR must not strip labels.
• B. Both LER and LSR will carry out label distribution.
• C. The label forwarding path LSP is determined and established through various protocols during the forwarding of the packet.
• D. The device discards the IP packets entering the MPLS domain.

正解: C,D

 

質問 287
Regarding the basic forwarding process of MPLS, which of the following description is wrong?

• A. When an IP packet enters the MPLS domain, the MPLS border device inserts a new label between the packet layer 2 header and the IP header.
• B. When the IP packets into the MPLS domain, checks the destination IP address of the corresponding Tunnel ID if TunnelID is 0x0, and proceeds to MPLS forwarding process.
• C. When the packet is forwarded in the MPLS domain, the top label of the MPLS packet is replaced by the label allocated by the next hop according to the label forwarding table.
• D. By default, the value of the label assigned to the penultimate hop node by the Egress1 node that supports PHP is 3.

正解: B

 

質問 288
Which of the following does the digital certificate not contain?

• A. Digital signature
• B. Digital envelope
• C. Public key information
• D. Issuer

正解: B

 

質問 289
Which SNMP message type report event sent to the NMS is reliable?

• A. Inform
• B. Trap
• C. Response
• D. Get Bulk
• E. Get

正解: A

 

質問 290
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