Huawei H12-891 Online Practice Questions and Exam Preparation

Huawei H12-891 Online Questions & Answers

• Question 821:

  To obtain the token ID of iMaster NCE, you need to send an HTTP request using the following Python code to invoke an iMaster NCE RESTful API:

  Which of the following statements is incorrect?

  A. You can run print(r.json()) to display the response message sent from the server.
  B. Token resources are located at https://139.9.213.72:18002/controller/v2/tokens.
  C. The HTTP request uses the GET method to query the token value.
  D. The request body is in JSON format.
  C. The HTTP request uses the GET method to query the token value.

• Question 822:

  When deploying the ISIS protocol in an IPv6 environment, which of the following statements is correct?

  A. By default, the DIS priority for broadcast network interfaces at Level-1 and Level-2 is 1.
  B. In broadcast networks, the DIS priority for IPv4 and IPv6 can be set separately.
  C. In the same broadcast network, if each router supports both IPv4 and IPv6, the DIS for IPv4 and IPv6 must be the same device.
  D. If IS-IS is configured on an interface as "ISIS silent," this interface will not send ISIS packets but will receive ISIS packets.
  C. In the same broadcast network, if each router supports both IPv4 and IPv6, the DIS for IPv4 and IPv6 must be the same device.

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  Explanation

• Question 823:

  Regarding the Stub region and the Totally Stub region of the OSPF protocol, which of the following statements are correct? (Choose two)

  A. After modifying the original Stub area to a Totally Stub area, the number of LSAs in the LSDB of each router in the region will definitely be reduced.
  B. An ASBR cannot be present in either the Stub zone or the Totally Stub zone.
  C. When you modify the original Stub area to a Totally Stub region, the number of LSAs propagating within the region will definitely decrease.
  D. If there are two ABRs in the Totally Stub zone, each ABR sends an LS ID of 0000 to the router in the zone.
  B. An ASBR cannot be present in either the Stub zone or the Totally Stub zone.
  D. If there are two ABRs in the Totally Stub zone, each ABR sends an LS ID of 0000 to the router in the zone.

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  Explanation

• Question 824:

  Router A has an IP route entry with a purposeful CIDR block of 100.0.1/32 and an outgoing interface of GigabitEthernet0/0/1. Now add the following configuration: acl number 2000 rule 10 permit source 100.1.1.0 traffic classifier test if-match acl 2000 traffic behavior test remark dscp cs3 traffic policy test classifier test behavior test interface GigabitEthernet0/0/1 ip address 100.1.2.1 255.255.255.0 traffic-policy test outbound

  Assuming Router A received packets with a destination IP of 100.0.1, which of the following statement is correct? (Choose two)

  A. If the data packet source IP address is 100.1.2, it can be forwarded with the DSCP field marked CS3
  B. If the packet source IP address is 100.1.1, it can be forwarded while the DSCP field is marked as CS3
  C. If the packet source IP address is 100.1.2, it cannot be forwarded
  D. If the packet source IP address is 100.1.2, it can be forwarded while the DSCP field remains unchanged
  B. If the packet source IP address is 100.1.1, it can be forwarded while the DSCP field is marked as CS3
  D. If the packet source IP address is 100.1.2, it can be forwarded while the DSCP field remains unchanged

• Question 825:

  The fields that represent priority in VLAN (802.1Q) data encapsulation are a total of 6 bits.

  A. True
  B. False
  B. False

• Question 826:

  What type of prefix does a router running BGP advertise to its IBGP neighbor (assuming the router is not configured as a route reflector)?

  A. Prefixes learned through other IBGP neighbors, or prefixes learned from EBGP neighbors, or prefixes learned through route import
  B. Prefixes that exist in the routing table
  C. Prefixes learned through other BGP neighbors, or prefixes learned locally through the network command or route import
  D. Prefixes learned through EBGP neighbors, or prefixes learned locally through the network command or route import
  E. Prefixes learned through an EBGP neighbor, or prefixes learned from an RR
  D. Prefixes learned through EBGP neighbors, or prefixes learned locally through the network command or route import

• Question 827:

  Regarding the WRR (Weighted Round Robin) description, which options are incorrect? (Choose two)

  A. WRR avoids congestion in the network
  B. WRR guarantees that various queues are allocated a certain amount of bandwidth
  C. WRR is a congestion management technique
  D. WRR can no longer be used
  E. WRR on GE interfaces ensures that critical services are prioritized
  A. WRR avoids congestion in the network
  E. WRR on GE interfaces ensures that critical services are prioritized

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• Question 828:

  In cross-domain VPN-Option B packet forwarding, two ASBRs exchange the same LSP labels once.

  A. True
  B. False
  B. False

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  Explanation

• Question 829:

  Router HW1 and Router HW2 connect Network A and Network B, respectively. As shown in the figure, you need to configure an IPsec VPN between Router HW1 and Router HW2. Which of the following ACL rules should be used?

  

  A. rule permit ip source 192.168.1.10 destination 192.168.1.20
  B. rule permit ip source 10.1.1.0 0.0.0.255 destination 192.168.1.20
  C. rule permit ip source 10.1.1.0 0.0.0.255 destination 10.1.2.0 0.0.0.255
  D. rule permit ip source 192.168.1.10 destination 10.1.2.0 0.0.0.255
  E. rule permit ip source 10.1.2.0 0.0.0.255 destination 10.1.1.0 0.0.0.255
  C. rule permit ip source 10.1.1.0 0.0.0.255 destination 10.1.2.0 0.0.0.255

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• Question 830:

  Which of the following inter-AS MPLS L3VPN solutions needs ASBRs to transmit VPNv4 routes?

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