New 2022 Guaranteed Success with Exam4Docs H12-221 Dumps Huawei PDF Questions
Exceptional Practice To HCNP-R&S-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network) Pass the First Time
NEW QUESTION 76
Generally, the performance of an IP-prefix-filter is greater than that of an ACL.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 77
Which of the following are OSPF message types? (Select 4 answers)
- A. Link-State Request
- B. Link-State Update
- C. Hello
- D. Database Description
- E. Link-State Advertisement
Answer: A,B,C,D
NEW QUESTION 78
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 79
If both the ospf cost and reference-bandwidth are configured on an interface, the value set by the ospf cost command is used as the cost of the interface.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 80
A company has four departments. Department A has SO PCs, Departments B and C both have 20 PCs, and Department D has 30 PCs. Assuming the IP address 192.168.1.0/x is used, which of the following statements are true if the VLSM technology is employed for subnetting? (Select 2 answers)
- A. Plan subnet 192.168.1.192/27 for Department The range of host addresses is 192 to 222.
- B. Plan subnet 192.168.1.160/27 for Department The range of host addresses is 161 to 190.
- C. Plan subnet 192.168.1.128/27 for Department The range of host addresses is 129 to 159.
- D. Plan subnet 192.168.1.0/25 for Department The range of host addresses is 1 to 126.
Answer: B,D
NEW QUESTION 81
Over a working TCP connection, what is the state of the BGP peer relationship if the peer AS number configured for a BGP router is inconsistent with the AS number of its BGP peer?
- A. Established
- B. Idle
- C. OpenSent
- D. Active
Answer: D
NEW QUESTION 82
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 83
What is the default network mask length of 219.25.23.56?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 84
What is the mask value for the network 175.25.128.0/19?
- A. 255.255.24.0
- B. 255.255.224.0
- C. Different based on the address type
- D. 255.255.0.0
Answer: B
NEW QUESTION 85
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 86
Which of the following elements together uniquely identify a LSA? (Select 3 answers)
- A. LS type
- B. Advertising Router
- C. LS Sequence number
- D. Link state ID
Answer: A,B,D
NEW QUESTION 87
Which of the following protocols support default route advertisement? (Select 3 answers)
- A. RIP
- B. OSPF
- C. BGP
- D. Static
Answer: A,B,C
NEW QUESTION 88
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 89
Which of the following route entries match the IP-Prefix defined below?
ip ip-prefix test index 10 permit 192.168.0.0 16 greater-equal 24 less-equal 28 (Select 2 answers)
- A. 192.168.3.0/25
- B. 192.168.4.0/30
- C. 192.168.1.0/24
- D. 192.10.2.0/24
Answer: A,C
NEW QUESTION 90
Which of the following route selection tools is used in multiple routing protocols, can be configured with match conditions, and consists of if-match and apply clauses?
- A. IP-prefix
- B. AS-path-filter
- C. Community-filter
- D. Route-policy
Answer: D
NEW QUESTION 91
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. 1024 64
- B. 256 254
- C. 512 126
- D. 1024 62
- E. 192 254
Answer: D
NEW QUESTION 92
How does a BGP router process a received route whose next hop is unreachable?
- A. The BGP router accepts the route and adds it to the BGP routing table. This route participates in route selection and may be selected as the optimal route to be added to the IP routing table for packet forwarding.
- B. The BGP router refuses the route.
- C. The BGP router sends an error message to the router that has sent the update message.
- D. The BGP router accepts the route and adds it to the BGP routing table. This route, however, is neither preferred nor added to the IP routing table for packet forwarding.
Answer: D
NEW QUESTION 93
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