Huawei H12-221 Online Practice Questions and Exam Preparation

Huawei H12-221 Online Questions & Answers

• Question 121:

  Based on BGP route selection rules, the route with the lowest multi-exit discriminator (MED) is preferred.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 122:

  The NBMA mode doesn't function if all the routers in the network are not fully connected.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 123:

  How many bits of the MAC address space is available for mapping IP multicast addresses?

  A. 24
  B. 22
  C. 25
  D. 23
  D. 23

• Question 124:

  Which of the following statements are correct regarding how OSPF detects old or duplicate LSAs? (Select 3 answers)

  A. The lower the sequence number, the more recent the LSA.
  B. The smaller the LS age, the more recent the LSA.
  C. A router uses 0x80000001 as the sequence number when it generates the first LSA.
  D. An LSA can be flushed from the routing domain by setting its LS age to equal the Maxage.
  B. The smaller the LS age, the more recent the LSA.
  C. A router uses 0x80000001 as the sequence number when it generates the first LSA.
  D. An LSA can be flushed from the routing domain by setting its LS age to equal the Maxage.

• Question 125:

  OSPF supports two authentication modes: area authentication and interface authentication. These two modes cannot be configured at the same time.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 126:

  What is the default network mask length of 219.25.23.56?

  A. 8
  B. 16
  C. 24
  D. 32
  C. 24

• Question 127:

  An IP address 192.168.13.175 with the subnet mask 255.255.255.240 can be assigned to a device.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 128:

  Which of the following statements regarding an AS-external-LSA are true? (Select 3 answers)

  A. The Link State ID field specifies the network segment address of an advertised destination.
  B. The Advertising Router field specifies the Router ID of an ASBR.
  C. The Net mask field specifies the network mask of an advertised destination.
  D. The Link State ID together with Advertising Router fields are used to uniquely identify an AS- external-LSA.
  A. The Link State ID field specifies the network segment address of an advertised destination.
  B. The Advertising Router field specifies the Router ID of an ASBR.
  C. The Net mask field specifies the network mask of an advertised destination.

• Question 129:

  Which of the following are well-known communities attributes? (Select 3 answers)

  A. NO_EXPORT (OxFFFFFF0l)
  B. N0_ADVERT1SE (0xFFFFFF02)
  C. NO_EXPORT_SUBCONFED
  D. AS (2Byte): Number (2Byte)
  A. NO_EXPORT (OxFFFFFF0l)
  B. N0_ADVERT1SE (0xFFFFFF02)
  C. NO_EXPORT_SUBCONFED

• Question 130:

  Which command triggers the advertisement of BGP routes without interrupting a BGP connection?

  A. Reset bgp
  B. Refresh bgp all external
  C. Refresh bgp all internal
  D. RR-filter
  B. Refresh bgp all external