Huawei Huawei Certifications H12-811 Questions & Answers

• Question 801:

  On the network shown in the figure, the ports connecting switch A and switch B to hosts belong to VLAN 10 and VLAN 20 respectively. The ports through which the two switches are interconnected are trunk ports, and the PVIDs of the ports are 10 and 20, respectively. Which of the following statements are true? (Choose all that apply.)

  

  A. Host A and host B belong to different VLANs and cannot ping each other.

  B. Host A and host B can ping each other.

  C. When the data frames sent by the hosts are forwarded between the switches, the frames are untagged.

  D. ARP requests from host A cannot be forwarded to host B.

  Correct Answer: AC

• Question 802:

  The network administrator has decided to configure link aggregation in the enterprise network. Which of the following represent advantages of link aggregation? (Choose all that apply.)

  A. Load balancing.

  B. Improved bandwidth.

  C. Improved security.

  D. Enhanced reliability.

  Correct Answer: ABD

• Question 803:

  What are the advantages of OSPF? (Choose all that apply.)

  A. OSPF can load balance traffic among equal-cost routes.

  B. OSPF supports Classless Inter-Domain Routing (CIDR).

  C. OSPF supports area partition.

  D. OSPF supports packet authentication.

  Correct Answer: ABC

• Question 804:

  Which of the following statements are true about the OSPF neighbor status? (Choose all that apply.)

  A. The master/slave relationship of OSPF is formed in the ExStart state.

  B. After LSDB synchronization is completed, the router state changes to Full.

  C. The sequence number of DD packets is determined in the Exchange state.

  D. In the Exchange state, routers send DD packets that brie y describe link state information to each other to describe the content of the local link state database (LSDB).

  Correct Answer: ABD

• Question 805:

  Which of the following elements are included in a routing table? (Choose all that apply.)

  A. Destination/Mask

  B. Cost

  C. Interface

  D. Protocol

  E. Next-hop address

  Correct Answer: ABCE

• Question 806:

  Which of the following packets are OSPF packets? (Choose all that apply.)

  A. HELLO

  B. LSR

  C. LSU

  D. LSA

  Correct Answer: AD

• Question 807:

  Which of the following network types does OSPF support? (Choose all that apply.)

  A. Point-to-Point.

  B. Non-Broadcast Multi-Access.

  C. Point-to-Multipoint.

  D. Broadcast.

  Correct Answer: ABC

• Question 808:

  Which of the following statements about the "S" field in the MPLS packet header are true? (Choose all that apply.)

  A. The field indicates whether there are other labels behind the current label. 1: Yes; 0: No.

  B. The "S' field is 1 bit long in frame mode and 2 bits long in cell mode.

  C. The field indicates whether there are other labels behind the current label. 0: Yes; 1: No.

  D. The "S" field exists in each MPLS packet header.

  Correct Answer: ABD

• Question 809:

  An administrator cannot log in to a Huawei router through Telnet, but other administrators can log in to the router. Which of the following are possible causes? (Choose all that apply.)

  A. The Telnet service has been disabled on the AR2200 router.

  B. The administrator account has been deleted.

  C. The user level of the administrator account has been changed to 0.

  D. The administrator account has been disabled.

  Correct Answer: AD

• Question 810:

  On Huawei AR G3 Series routers, which authentication modes does AAA support? (Choose all that apply.)

  A. None.

  B. Local.

  C. Radius.

  D. 802.1X

  Correct Answer: BCD