Huawei H12-261 Online Practice Questions and Exam Preparation

Huawei H12-261 Online Questions & Answers

• Question 181:

  The following is about routing BGP, ?( ) selection description is wrong

  A. Non-aggregated routing precedes aggregation routing.
  B. In the case of equal and equal If the locally generated route, route, route Pref-Val local_preference, IBGP EBGP BGP preference Consistent locally generated valid routes first, then excellent
  C. See the following entry in the routing table BGP :* 172.16.1.11/32 0.0.0.0 10 0 ? Represents the route available.
  D. For nexthop, the unreachable route is invalid and does not participate in the preference.
  A. Non-aggregated routing precedes aggregation routing.

• Question 182:

  For Layer 2 VPN technology, the following is correct?

  A. VPLS is a widely used technology for the network. It can provide three-layer transparent layer reporting and multi-point access.
  B. VPLS BUM configuration complex high-complexity, two-network transparent layer transmission message
  C. BGP EVPN multi-homing supports leased isolation, and broadcast suppression
  D. BGP EVPN VPLS MAC solves the problem of address drift and multi-tenancy that cannot be supported.
  B. VPLS BUM configuration complex high-complexity, two-network transparent layer transmission message
  C. BGP EVPN multi-homing supports leased isolation, and broadcast suppression
  D. BGP EVPN VPLS MAC solves the problem of address drift and multi-tenancy that cannot be supported.

• Question 183:

  Both IS-IS CSNPs and OSPF DD packets describe the brief information about link state databases in MA network. Which of the following statements regarding the two types of packets is true?

  A. After CSNPs and DD packets are received by the peer router, the peer router needs to send an acknowledgement message; otherwise, the packets need to be retransmitted.
  B. Once the neighbor relationship is established, CSNPs and DD packets are not sent.
  C. The master/slave relationship in OSPF DD packet exchange is not bound to DR/BDR; and CSNPs are generated only by the DIS.
  D. After CSNPs and DD packets are received by the peer router, the peer router does not need to send an acknowledgment message.
  D. After CSNPs and DD packets are received by the peer router, the peer router does not need to send an acknowledgment message.

• Question 184:

  Which of the following are single-packet attacks?

  A. Malformed packet attacks
  B. Special control packet attacks
  C. Scanning and snooping attacks
  D. DDoS attacks
  A. Malformed packet attacks
  B. Special control packet attacks
  D. DDoS attacks

• Question 185:

  Which of the following configurations regarding OSPFv3 route aggregation are true?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  E. Option E
  A. Option A
  C. Option C

• Question 186:

  You are assigned the task of compressing an IPv6 address as much as possible. If the original IPv6 address is 2013:0000:130F:000Q:00G0:09C0:876A:130B, which of the following is the IPv6 address in its compressed format?

  A. 2013:0; 130F::9C0:876A: BOB
  B. 2013::130F::9CO:876A:130B
  C. 2013:0:130F:0:0:O9C0:876A:130B
  D. 213::13F::9C:876A:13B
  E. 2013:0:130F:0:0:9C0:876A:130B
  A. 2013:0; 130F::9C0:876A: BOB

• Question 187:

  In which scenario can an AS_Path-filter be used?

  A. Apply clause in a router-policy
  B. Filtering routers received from BGP peers based on the AS_Path attribute. For example, the peer
  C. X.X.X as-path-filter import command.
  D. If-match clause in a route-policy
  E. Filtering routes sent to BGP peers based on the AS_path attributes. For example, the peer X.X.X.X as-Path filter export command.
  B. Filtering routers received from BGP peers based on the AS_Path attribute. For example, the peer
  C. X.X.X as-path-filter import command.
  D. If-match clause in a route-policy

• Question 188:

  The following is a cross-domain approach to MPLS VPN, which describes the error.

  A. LDP, vpption-c 2 when only the label is used on the public network. For the cross-domain solution, the third-layer forwarding layer label is required.
  B. For the inter-domain vPN-OptionB, the ASBR MP-eBGP mode needs to establish a neighbor relationship.
  C. For the inter-domain vPn -OptionA, the routes of the ASBR IPv4 mode are ordinary inter-route routes.
  D. For inter-domain vPN-OptionB, ASBR-E ( ), VPN, two methods, use multiple interfaces, including sub-interfaces, interconnect each interface, one each.ASBR-PE CE
  A. LDP, vpption-c 2 when only the label is used on the public network. For the cross-domain solution, the third-layer forwarding layer label is required.
  D. For inter-domain vPN-OptionB, ASBR-E ( ), VPN, two methods, use multiple interfaces, including sub-interfaces, interconnect each interface, one each.ASBR-PE CE

• Question 189:

  As shown in the following figure, R1 and R2 establish an EBGP peer relationship and the BFD function is enabled. Given this information, which of the following statements is true?

  

  A. The time taken to detect BFD packets on R1 is 660 ms.
  B. The time taken to detect BFD packets on R2 is 800 ms.
  C. The time taken to detect BFD packets on R2 is 600 ms.
  D. The time taken to detect BFD packets on R1 is 1280 ms.
  C. The time taken to detect BFD packets on R2 is 600 ms.

• Question 190:

  In which of the following scenarios will gratuitous ARP packets be sent?

  A. A host connected to the switch sends a ping packet.
  B. The DHCP client receives an acknowledgment message from the server
  C. A new host with an IP address is connected to the network.
  D. The master and backup devices are elected in VRRP.
  B. The DHCP client receives an acknowledgment message from the server