Huawei Huawei Certifications H12-891 Questions & Answers

• Question 561:

  Router HW cannot access hosts in the remote network, router HW runs routing protocols and only pings the remote file server address 105401 on router HW with extensions through a default route remote network , the result of ping on the router HW is rendered as 'requ.' est time out', according to the above description, the error in the following analysis is?

  A. The next hop router for router HW did not reach the destination address

  B. Router HW does not have a legitimate router to reach the destination address

  C. Ping is successful, but congestion occurs on the path to the destination address

  D. There is a firewall in the remote destination network, and the destination address can be reached without releasing ICMP traffic E. ICMP packets, but the destination device fails to reply

  Correct Answer: B

• Question 562:

  If the receive cache of a switch's gigabit Ethernet interface is full, what protocol does the switch use to know that the remote interface delays sending data frames for a period of time?

  A. 8023af

  B. 8021U

  C. 8021D

  D. 8023

  E. 8023Z

  Correct Answer: E

• Question 563:

  A multi-protocol network, the topology is shown in the figure. Take a closer look at the topology, router R4 (in Areal) is introduced into the OSPF process via the routes learned by BGP. So what categories of LS4 will R3 advertise to zone 0?( Multiple choice questions).

  

  A. 5 - LSA

  B. 7 - LSA

  C. 1 - LSA

  D. 4 - LSA

  E. 2 - LSA

  Correct Answer: ACE

• Question 564:

  Link state information is isolated by default between different IS-IS processes on the same router.

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 565:

  In VXLAN scenarios, what features can be turned on to reduce flooding of ARP messages between VTEPs?( Multiple select).

  A. Host Information Collection

  B. Local ARP agent

  C. port isolation

  D. ARP broadcast suppression

  Correct Answer: BD

• Question 566:

  You want only his telnet stream to be able to access the server (address 1011.100). Then, you add the following ACL to the routing ring: nule5pemit cp source ny destination 1011.100000destination-porteq 23 rule 1l0 deny ip source any destination any Then you apply that ACL to the ingress direction of the router's seial interface. What type of message is allowed to pass through the router?( Multiple choice questions).

  A. A non-sharded, port 21-accessing packet

  B. Non-first-sharded messages that use port 23 to access the server's message

  C. Non-first-of-sharded messages to access other hosts

  D. Non-first-of-its-kind packets that use port 21 to access the server

  E. Packet answer for the first sharded or non-sharded, using port 23 to access the server

  Correct Answer: BDE

• Question 567:

  A VRRP virtual router configuration VRID is 3 and the virtual IP address is 100 1. 1. 10, so what is the virtual MAC address?

  A. O0-00-5E-00-01-64

  B. 01-00-5E-00-01-03

  C. 01-00-5E-00-01-54

  D. 00-00-5E-00-01-03

  Correct Answer: D

• Question 568:

  To implement the traffic filtering function, you can use trapp-filter or MQC, which can be called in more views than traffic-filter

  A. FALSE

  B. TRUE

  Correct Answer: B

• Question 569:

  BGP routing policies can control the publication and acceptance of routes

  A. TRUE

  B. FLASE

  Correct Answer: A

• Question 570:

  The following statement about the NSSA area is correct (multiple choice).

  A. In the NSSA area where the OSPF neighbor sends hello packets, the N position 0, E within the option field Position 1

  B. The NSSA zone must automatically generate a default LSA to access the external network

  C. The NSSA zone generates a Category VII LSA to advertise external routing, and the FA address in the Category VII LSA acts to prevent loops

  D. In the OSPF neighbor in the NSSA region sends hello packets, position 1 within the option field , position E

  Correct Answer: D