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2018 Killtest H12-221 Real Exam Q&As

Killtest H12-221 Real Exam Q&As cover 100% of the H12-221 exam objectives set by Huawei Certification. Killtest H12-221 Real Exam Q&As are prepared by IT professionals and industrious experts who have implemented their real life experience in H12-221 exam in order to provide candidate with the best H12-221 test product available in the market. By purchasing H12-221 Real Exam Q&As, you will have all that is necessary for completing the H12-221 exam with all H12-221 test questions and answers that are always up to date.

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2018 Killtest H12-221 Real Exam Q&As

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  1. Vendor: HUAWEI Exam Code: H12-221 Exam Name: HCNP-R&S-IERS Version: Demo Killtest H12-221 Full Version: https://www.killtest.com/HCNP-R- S/H12-221-ENU.asp

  2. 8.Which statements about OSPF packets are true? (Select 2 answers) A. Hello packets can be sent immediately after the interface joined OSPF area. B. After received LS Update packets, the router must send LSAck for confirming. C. LS Update messages synchronize the link state database by sending detailed LSAs. D. LS Update packets are sent only after an adjacency is established. Answer: AC 9.In the RSTP protocol, the uplink port of the non-root switch has the parameter of the port identifier. The port identifier consists of two parts, they are: A. One-byte port priority and one-byte port number B. One-byte port priority and two-byte port number C. Two-byte port priority and one-byte port number D. Two-byte port priority and two-byte port number Answer: A 10.Since the AS-PATH attribute cannot be function within the AS, it is specified that the BGP router will not advertise any updates from the IBGP peer to its IBGP peers. A. True B. False Answer: A 11.In the static LACP mode, the correct description of the active link selection is: (Multiple Choice)

  3. A. After a member interface is added to the Eth-Trunk in static LACP mode, the member interface sends the information negotiation active port about the system priority, system MAC address, interface priority, and interface number to the peer. B. The higher the system LACP priority is, the higher the priority is. At both endsI of the devices, select the system with the larger LACP priority value as the active end. If the system LACP priority is the same, select the one with the higher MAC address as the active end. C. The passive end device determines the activity interface based on the active end interface LACP priority and interface ID (interface number). D. The interfaces selected by two-end device are inconsistent and the data can be forwarded normally. Answer: AC 12.Which of the following is the characteristics of the OSPF stub area? A. AS-external-LSAs can be published in the Stub area. B. The route to the outside of the AS can only be based on a default route generated manually by the ABR. C. Virtual connections cannot span the Stub area. D. Any area can be a stub area Answer: C 13.The route injected into the BGP through the redistributed command has the Origin attribute of Incomplete. A. True B. False Answer: A 14.Which of the following is incorrect about the OSPF protocol?

  4. A. When a router receives a Network-Summary-LSA, the router runs the SPF algorithm. B. Network-LSA is used to describe the link status information of the broadcast network segment and the NBMA network segment. C. Virtual connection is a virtual link that belongs to the backbone area (Area 0). D. Type-4 LSA is used to describe how to reach the ASBR and contain routing and topology information. Answer: D 15.Autonomous System (AS) refers to a set of routers defined by users and using a unified routing policy. A. True B. False Answer: B 16.As shown in the following figure, if you do not want employees of department A have mutual visits, employees in department B can communicate with each other, but different departments cannot communicate with each other, and all employees can access the company's servers. To achieve this function through the MUX VLAN, the following

  5. statement is correct: A. VLAN 2 is set to interworking VLAN B. VLAN 100 is a slave VLAN C. VLAN 3 is set to primary VLAN D. VLAN 3 is set to interworking VLAN Answer: D 17.About multicast RPF check, which of the following statements is wrong? (Multiple Choice) A. Multicast RPF check is not rely on unicast routing. B. All multicast protocols use RPF check. C. The router receives the multicast packet but fails the RPF check and discards the received multicast packet. D. There are two RPF check functions. One is to prevent loops in multicast routes, the other is to prevent forwarding of redundant multicast data packets. Answer: AB

  6. 18.Regarding the description of IGMPv1 and IGMPv2, the correct one is: (Multiple Choice) A. IGMPv1 packet type does not include a leave member packets. B. IGMPv2 packet type includes member leave packets C. IGMPv1 supports universal group queries. D. IGMPv2 supports only general group queries. Answer: ABC 19.How many types can the Hello packets of ISIS be divided into? (Multiple Choice) A. Level-1 LAN IIH B. Level-2 LAN IIH C. Level-3 LAN IIH D. P2P LAN IIH Answer: ABD 20.When an operating OSPF router receives an LSA and the LSA does not exist in its link state database, how does the router handle this LSA? A. The router will silently discard this LSA without returning any messages. B. This LSA will be immediately flooded to other OSPF neighbors. C. The LSA is installed in its own link state database, and then this LSA is acknowledged by multicast. D. Check the age of the LSA to see if it expires. Answer: D 21.Which of the following description of the distribution tree is correct?

  7. A. The multicast source is root, the multicast distribution tree that the multicast group members as leaves called RPT. B. The RP (Rendezvous Point) is root, the multicast distribution tree that the multicast group members as leaves called SPT. C. SPT applies to both PIM-DM and PIM-SM. D. RPT applies to both PIM-DM and PIM-SM. Answer: C 22.About the descriptions of LSA of various messages, which is wrong? A. The DD type LSA contains only the summary information of the LSA, that is, the LS Type, LS ID, Advertising Router and LS Sequence Number. B. The LS Request message contains only the LS Type, LS ID, and the Advertising Router. C. The LS Update message contains the complete LSA information. D. The LS Ack packet contains the complete LSA information. Answer: D 23.About the description of P2MP networking, which is correct? (Multiple Choice) A. Devices with inconsistent mask lengths on the P2MP network cannot establish neighbor relationships. However, you can use the ospf p2mp-mask-ignore command to break this limitation. B. The election of DR/BDR is required in the P2MP network. C. No link layer protocol is P2MP by default. P2MP must be forcibly changed by other network types. D. You can use the filter-Isa-out peer command to filter the sent LSA on a P2MP network Answer: ACD

  8. 24.Which of the following causes the BGP neighbor relationship failed to be established? A. ACLs that block all TCP connections are configured between the two BGP neighbor relationships. B. IBGP neighbors are non-physically connected. C. BGP synchronization is enabled in the fully interconnected IBGP neighbor relationship. D. The update time between the two BGP neighbors is inconsistent. Answer: A 25.When using manual link aggregation mode, the wrong description of joining member interfaces in the following is: A. The Eth-Trunk interface cannot be nested. That is, the member interface cannot be an Eth-Trunk. B. An Ethernet interface only can be added to one Eth-Trunk interface. If you need to join other Eth-Trunk interfaces, you must first exit from the original Eth-Trunk interface. C. If the local device uses an Eth-Trunk, the peer interface directly connected to the member interface must also be bundled into an Eth-Trunk interface so that the two ends can communicate normally. D. Eth-Trunk has two working modes: Layer 2 working mode and Layer 3 working mode. The two working modes are automatically identified and no manual switching is required. Answer: D 26.The master-slave relationship of OSPF neighbors is negotiated through DD packets. A. True B. False Answer: A 27.Which types of access control lists can be divided into? (Multiple Choice)

  9. A. Basic access control list B. Advanced access control list C. Layer 2 ACL D. User-defined ACLs Answer: ABCD

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