Huawei H12-221 Dumps - 100% Cover Real Exam Questions (Updated 225 Questions)
Real H12-221 dumps - Real Huawei dumps PDF
NEW QUESTION 78
Which of the following BGP filters can be used to set route attributes?
- A. Ip-prefix
- B. Community-filter
- C. Route-policy
- D. As-path-filer
Answer: C
NEW QUESTION 79
By default, the cost of an OSPF interface is calculated based on the bandwidth. The formula to calculate the cost is reference bandwidth/interface bandwidth.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 80
Which of the following commands is used to display the IGMP routing table?
- A. display igmp
- B. display igmp group
- C. display igmp interface
- D. display igmp routing-table
Answer: D
NEW QUESTION 81
Which of the following statements regarding BGP route selection rules are true? (Select 3 answers)
- A. A summarized route takes precedence over a non-summarized route.
- B. IBGP routes take precedence over EBGP routes.
- C. BGP initially ignores routes with unreachable next hops,
- D. If all other factors are the same, the route with the shortest length cluster list is preferred.
Answer: A,C,D
NEW QUESTION 82
Based on BGP route selection rules, the route with the lowest local preference is preferred.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 83
Which of the following statements about a neighbor state machine is true?
- A. LSR packets can be sent in the Exchange state.
- B. The Attempt state appears only on an NBMA network or a broadcast network.
- C. The Full state indicates that LSDB synchronization is complete. No LSDB information will be exchanged.
- D. The Attempt state appears only on an NBMA network or a P2MP network.
Answer: A
NEW QUESTION 84
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 85
The bandwidth-reference parameter is measured in Mbit/s.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 86
Which of the following are well-known communities attributes? (Select 3 answers)
- A. NO_EXPORT_SUBCONFED
- B. N0_ADVERT1SE (0xFFFFFF02)
- C. NO_EXPORT (OxFFFFFF0l)
- D. AS (2Byte): Number (2Byte)
Answer: A,B,C
NEW QUESTION 87
Which of the following network link type is not the basic network link type defined in OSPF?
- A. Broadcast
- B. P2MP
- C. P2P
- D. Virtual link
Answer: D
NEW QUESTION 88
Which session is established between BGP peers?
- A. Telnet
- B. UDP
- C. Send Hello packet
- D. TCP
Answer: D
NEW QUESTION 89
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 90
A failure in establishing a BGP connection can be addressed by checking the TCP connectivity and BGP peer configurations.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 91
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 92
When running in non-broadcast networks, OSPF uses one of the two modes: NBMA or P2MP.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 93
Which statement about OSPF is false?
- A. The intervals at which two routers send Hello messages must be consistent; otherwise, cannot be established relationships between neighboring devices.
- B. DD packets contain headers of all LSAs for periodic LSDB synchronization between OSPF neighbors.
- C. DD packets describe the summary LSDB information by carrying LSA headers.
- D. 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.
Answer: B
NEW QUESTION 94
In which of the following states do BGP peers refuse to initiate or accept connection requests?
- A. Established
- B. Idle
- C. OpenSent
- D. Active
Answer: B
NEW QUESTION 95
Which of the following commands is used to display check information about the IGMP enabled interface?
- A. [Quidway]show ip igmp interface
- B. [Quidway]show ip igmp
- C. [Quidwayjdisplay igmp interface
- D. [Quidwayjdisplay ip interface
Answer: C
NEW QUESTION 96
How does an IGMP router maintain group memberships on a network? (Select 2 answers)
- A. The router maintains a timer for each group membership which it refreshes for hosts that send report
messages and deletes the group membership of hosts that do not. - B. The router periodically sends Query messages. After a receiver host receives the Query message, the
receiver host sends a Report message. - C. A receiver host periodically sends a Report message.
- D. The router deletes a group membership only when it receives a Leave message for this group.
Answer: A,B
NEW QUESTION 97
Only Router-LSAs and Network-LSAs are involved in intra-area route calculations.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 98
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