Tested Material Used To H12-221 Test Engine Exam Questions in here [Dec-2021]
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- Study guides / books : they have detailed description of topic and suitable for building knowledge from ground up.
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Certification Path
It is recommended that you learn HCIA-Routing & Switching before attempting for H12-221 exam certification.
NEW QUESTION 63
The process of determining the shortest path can be divided into two phases: determine transit node first, and
then determine the stub network.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 64
Policy-based routing and routing policies implements the forwarding of data packets in different ways: A routing policy mainly controls packet forwarding. According to the routing policy, packets can be forwarded without a routing table; Policy-based routing mainly controls the importing, advertising, and receiving of routing information.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 65
Which of the following statements are correct regarding OSPF intra-area route calculation? (Select 2 answers)
- A. One Router LSA describes only one link,
- B. One Router LSA describes more than one link.
- C. Each OSPF router uses more than one Router LSA to describe local active link state for an area.
- D. Each OSPF router uses only one Router LSA to describe the local active link state for an area.
Answer: B,D
NEW QUESTION 66
Which of the following attributes must exist in the BGP update messages? (Select 3 answers)
- A. AS_PATH
- B. LOCAL_PREF
- C. ORIGIN
- D. NEXT_HOP
Answer: A,C,D
NEW QUESTION 67
If the default-route-advertise command is used to advertise a default BGP route to peers, how will this operation affect the local BGP routing table?
- A. An active default route will be generated in the local BGP routing table which will be delivered to the IP routing table.
- B. The local BGP routing table will not be affected and no default route will be generated.
- C. A default route will be generated in the local BGP routing table. Whether this route is delivered to the IP routing table depends on route selection results.
- D. An inactive default route will be generated in the local BGP routing table which will not be delivered to the IP routing table.
Answer: B
NEW QUESTION 68
In VRP, by default, the routes injected into the BGP are not automatically summarize:
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 69
In OSPF protocol, Different types of networks cannot establish an adjacency with each other in the Full state.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 70
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. FALSE
- B. TRUE
Answer: B
NEW QUESTION 71
Why is BGP run by core routers in transit AS?
- A. To optimize network within an AS
- B. To ensure only one export
- C. To ensure the transmission of data packets to the external destination addresses
- D. To eliminate route loops
Answer: C
NEW QUESTION 72
An IP-prefix-filter is used for filtering IP prefixes and data packets.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 73
One route-policy may have several nodes with each node containing a node ID. Each node may also have multiple "if-match" and "apply" clauses. Which of the following statements are true? (Select 2 answers)
- A. Different nodes are in an OR relationship.
- B. Different nodes are in an AND relationship.
- C. If-match clauses of a node are in an AND relationship,
- D. If-match clauses of a node are in an OR relationship.
Answer: A,C
NEW QUESTION 74
A router receives a packet whose destination address is 195.26.17.4. Which of these subnets does this
address belong to?
- A. 195.26.0.0/21
- B. 195.26.20.0/22
- C. 195.26.16.0/20
- D. 195.26.8.0/22
Answer: C
NEW QUESTION 75
Which port number is used by BGP to establish a TCP connection?
- A. 0
- B. 1
- C. 2
- D. I80
Answer: C
NEW QUESTION 76
OSPF supports two authentication modes: area authentication and interface authentication. These two modes cannot be configured at the same time.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 77
Which of the following situatbns will occur when the command multicast bad balance" is
configured? (Select 3 answers)
- A. Balanced distribution of entries over equal-cost routes can be ensured as long as multicast load balancing is performed.
- B. If group address-based load splitting is employed, balanced distribution of entries over equal-cost routes cannot be ensured due to hash function limitations.
- C. If there exists no unicast equal-cost routes, multicast load balancing fails.
- D. During multicast load splitting, traffic may not be balanced among equal-cost routes because multicast load balancing is based on multicast entries not multicast data packets.
Answer: B,C,D
NEW QUESTION 78
Which parameters are carried in a BGPOpen message? (Select 3 answers)
- A. Holder timer
- B. Current peer status
- C. Local AS number
- D. BGPID
- E. Keepalive timer
Answer: A,C,D
NEW QUESTION 79
What are the functions of route filtering? (Select 3 answers)
- A. Avoids sub-optimal routes generated during route import,
- B. Implements accurate route importing and controls route advertisement.
- C. Affects route selection by changing route attributes.
- D. Avoids routing loops.
Answer: A,B,D
NEW QUESTION 80
Which of the following statements are correct regarding BGP attributes? (Select 2 answers)
- A. Till now, there are 16 BGP attributes
- B. BGP attribute can be extended to 256 types
- C. AS_PATH is an optional transitive attribute
- D. Well known discretionary attribute may not be included in each BGP update message, such as origin
attribute
Answer: A,B
NEW QUESTION 81
Which of the following LSAs are flooded within a single area? (Select 3 answers)
- A. The AS external LSAs
- B. The Summary LSAs
- C. The Network LSAs
- D. The Router LSAs
Answer: B,C,D
NEW QUESTION 82
A network administrator is required to construct a small-scale network containing only 22 hosts. The ISP has provided only a single public IP address that is to be used as the egress address. Which of the following addressing schemes can be used to plan such a network?
- A. 172.31.255.128/27
- B. 10.11.12.16/28
- C. 209.165.202.128/27
- D. 192.168.1.0/28
Answer: A
NEW QUESTION 83
Default routes between routers are a low-cost solution because they are easy to configure and requires less system resources when compared with maintaining a complete routing table.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 84
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Who should take the H12-221 exam
The Huawei H12-221 Exam is for networking engineers ,ICT professionals or students interested in datacom network technologies.
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