Huawei H12-221 Online Practice Questions and Exam Preparation

Huawei H12-221 Online Questions & Answers

• Question 31:

  Which statements regarding the range of AS number are true? (Select 3 answers)

  A. If 2-byte AS values are supported, the private AS number ranges from 32768 to 65535.
  B. If 2-byte AS values are supported, the private AS number ranges from 64512 to 65535.
  C. If 2-byte AS values are supported, the AS number ranges from 1 to 65535.
  D. If 4-byte AS values are supported, then the 4-byte AS number is in the x.y format. Here, "x" and "y" are integers ranging from 1 to 65535 and 0 to 65535 respectively.
  B. If 2-byte AS values are supported, the private AS number ranges from 64512 to 65535.
  C. If 2-byte AS values are supported, the AS number ranges from 1 to 65535.
  D. If 4-byte AS values are supported, then the 4-byte AS number is in the x.y format. Here, "x" and "y" are integers ranging from 1 to 65535 and 0 to 65535 respectively.

• Question 32:

  What is the maximum number of bits that can be used for creating subnets, when the network address is a Class B address?

  A. 8
  B. 14
  C. 16
  D. 22
  B. 14

• Question 33:

  ACL rules are matched based on the configured order only.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 34:

  Which of the following elements together uniquely identify a LSA? (Select 3 answers)

  A. LS type
  B. Link state ID
  C. Advertising Router
  D. LS Sequence number
  A. LS type
  B. Link state ID
  C. Advertising Router

• Question 35:

  Given a Class B network 155.16.0.0 with the mask 255.255.255.192, what is the maximum number of subnets that can be created, and what is the maximum number of hosts available within each created subnet?

  A. 512 126
  B. 1024 64
  C. 1024 62
  D. 256 254
  E. 192 254
  C. 1024 62

• Question 36:

  The router ID which is configured in the system view takes precedence over the router ID configured in the BGP view.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 37:

  Which statement about OSPF is false?

  A. Hello messages are used as a form of greeting to discover other routers on its networks and establish relationships between neighboring devices. On broadcast or NBMA networks, Hello messages can also be used to elect a DR or a BDR.
  B. DD packets describe the summary LSDB information by carrying LSA headers.
  C. The intervals at which two routers send Hello messages must be consistent; otherwise, cannot be established relationships between neighboring devices.
  D. DD packets contain headers of all LSAs for periodic LSDB synchronization between OSPF neighbors.
  D. DD packets contain headers of all LSAs for periodic LSDB synchronization between OSPF neighbors.

• Question 38:

  Which of the following statements is false?

  A. An ABR maintains a separate LSDB for each area it is attached to. ABRs have multiple LSBDs.
  B. Metric, an ASE LSA parameter, can be specified when an external route is imported with 1 as its default value.
  C. The externally-derived routing information carries a tag for transmitting additional information of the route which is commonly used in a routing policy. The default value of the Tag label is 0.
  D. The Link State ID is the Router ID of the ASBR for type 4 LSAs.
  C. The externally-derived routing information carries a tag for transmitting additional information of the route which is commonly used in a routing policy. The default value of the Tag label is 0.

• Question 39:

  For link-state routing protocols, filtering inbound routes cannot block the transmission of link-state information. The filtering effect means that routes cannot be injected into the local routing table but neighbors can still receive complete route state information and calculate complete routes.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 40:

  How many hosts can the network 154.27.0.0 support, if not subnetted?

  A. 254
  B. 1024
  C. 65,534
  D. 16,777,206
  C. 65,534