Tag Archives: H12-221-ENU online test

01 Jul

2019 New HCIP-Routing & Switching-IERS V2.0 H12-221-ENU Exam Questions

Gaining HCIP-Routing&Switching certification validates the knowledge and skills required to construct and manage small and medium-sized networks. H12-221-ENU HCIP-Routing & Switching-IERS V2.0 exam is one of the three exams(H12-221-ENU,H12-222-ENU,H12-223-ENU) for HCIP-Routing&Switching certification. New HCIP-Routing & Switching-IERS V2.0 H12-221-ENU Exam Questions were released on June 29,2019, which is the best way to pass Huawei H12-221-ENU exam. 

The total number of questions for 2019 New HCIP-Routing & Switching-IERS V2.0 H12-221-ENU Exam Questions is 613 Q&As. To help you check the high-quality of new version, we share 25 free questions below. You can try testing H12-221-ENU free demo questions before getting new H12-221-ENU exam questions. We set exam score for you, answering one question correctly can gain 4 score. The total score is 100. More questions, please contact [email protected].

Begin to Test:

1. Regarding the two working modes of PIM-DM and PIM-SM, the correct description is: (Multiple Choice)

Question 1 of 25

2. The BGP attributes that are typically used to control how data flows out of the AS are:

Question 2 of 25

3. When the other routing protocol is introduced in a routing protocol, in order to introduce only a part of the routing information that satisfies the conditions and set some attributes of all imported routing information, only the route-policy tool can be used.

Question 3 of 25

4. Multicast related protocols do not include:

Question 4 of 25

5. Which of the following information is carried in the BGP Open message? (Multiple Choice)

Question 5 of 25

6. The correct description of the LSA is:

Question 6 of 25

7. Regarding the description of the network command in BGP, the error is:

Question 7 of 25

8. The difference between the PIM-SM protocol and the PIM-DM protocol is: (Multiple Choice)

Question 8 of 25

9. Which of the following conditions can cause multicast traffic to fail to reach the user? (Multiple Choice)

Question 9 of 25

10. Regarding the NSSA command description, the error is:

Question 10 of 25

11. Regarding the description of BGP neighbors, the errors are: (Multiple Choice)

Question 11 of 25

12. The BGP AS_PATH attribute is an optional transition attribute.

Question 12 of 25

13. The routing tool route-policy can give pre-defined condition filtering and set BGP attributes, so it is often used to define policies for BGP peers, and is often used during route generation. By default, all unmatched routes were rejected to go through route-policy.

Question 13 of 25

14. The Hold time carried by the BGP neighbor PeerA in the Open is 90s. The Hold time carried by the PeerB in the Open is 30s. The interval between the PeerA and the PeerB after the connection is successfully established is:

Question 14 of 25

15. Link Aggregation is a way to bundle a set of physical interfaces together as a logical interface to increase bandwidth.
There are two types of link aggregation control protocols: manual load balancing mode and static LACP mode.

Question 15 of 25

16. In the ACL rule, if all the rules are found and there are no rules that meet the conditions, called the miss rules, no processing is performed on the packets.

Question 16 of 25

17. For IPv4, according to the address space of the SSM range allocated by IANA, which of the following addresses are legal?

Question 17 of 25

18. IGMPv3 not only supports the general group query of IGMPv1 version and the specific group query of IGMPv2 version, but also supports the specified source/group query of IGMPv3 version.

Question 18 of 25

19. What are the main steps included in the IS-IS protocol routing calculation? (Multiple Choice)

Question 19 of 25

20. If the router-id is configured in the system view and the BGP view of router, becuase of the high priority of the BGP view, the BGP view uses the router-id in the BGP view.

Question 20 of 25

21. Which of the following description of OSPF is correct?

Question 21 of 25

22. Which of the following BGP attributes are not included in the Update message of the BGP route? (Multiple Choice)

Question 22 of 25

23. Both policy routing and routing policies can affect the forwarding process of data packets, but they affect the packets differently. Policy routing is based on policy-based forwarding. Find the routing table forwarding after failure. Based on the forwarding plane, it serves the forwarding policy and needs to be manually configured. The routing policy is based on the destination address and is forwarded according to the routing table. Based on the control plane, it serves the routing protocol and the routing table, and combines with the routing protocol to complete the policy.

Question 23 of 25

24. When OSPF runs on a broadcast network, you need to elect DR and BDR. Then, in which of the following states will DR and BDR be elected?

Question 24 of 25

25. One of the features of OSPF is that it only supports MD5 authentication.

Question 25 of 25


01 Apr

Newly updated H12-221-ENU Exam Demo Questions

HCDAtest newly updated H12-221-ENU exam on March 30, 2019. The current version contain 435 real exam questions and answers, which help you prepare for your HCIP-Routing&Switching-IERS(Huawei Certified ICT Professional-R&S-IERS) exam well.

We share H12-221-ENU exam demo questions to help you check the high-quality exam questions and answers online. You can test the 20 free demo questions and get the corresponding score. Each question scores 5 points. After test, you will find you wanna the full version to prepare for your Huawei H12-221-ENU exam. You can purchase HCDAtest H12-221-ENU exam questions directly online, if want to know further information, just contact us freely: [email protected].

Begin to Test:

Please go to Newly updated H12-221-ENU Exam Demo Questions to view this quiz


17 Apr

[2018] New H12-221-ENU HCNP-R&S-IERS Exam Questions

On Apr.16, 2018, HCDATEST updated new H12-221-ENU HCNP-R&S-IERS Exam Questions for all candidates. Many candidates may know, passing Huawei H12-221-ENU, H12-222-ENU and H12-223-ENU exams is the normal path to get Huawei HCNP-R&S certification. With Huawei H12-221-ENU exam questions, you can pass Huawei H12-221-ENU HCNP-R&S-IERS (Implementing Enterprise Routing and Switching Network).

New H12-221-ENU HCNP-R&S-IERS Exam Questions

Exam Q&As: 311 Q&As
Date of update: April 16, 2018
Exam Format: Software
Mail: [email protected]

Above are the details of HCDATEST new H12-221-ENU HCNP-R&S-IERS Exam Questions. With HCDATEST H12-221-ENU Huawei exam questions, you can get real exam questions and answers for preparation.

New H12-221-ENU Questions and Answers

HCDATEST offers H12-221-ENU free online test to feel New H12-221-ENU HCNP-R&S-IERS Exam Questions:

[April 2018] Huawei H12-221-ENU HCNP-R&S-IERS Free Online Test

From HCDATEST new H12-221-ENU questions and answers, you will find H12-221-ENU HCNP-R&S-IERS exam questions are real and original. Never delay, just come to HCDATEST to get new H12-221-ENU HCNP-R&S-IERS Exam Questions.

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16 Apr

[April 2018] Huawei H12-221-ENU HCNP-R&S-IERS Free Online Test

New Huawei H12-221-ENU HCNP-R&S-IERS exam questions have been released on April 16, 2018. It would be the latest Huawei H12-221-ENU exam questions and answers for your HCNP-R&S-IERS H12-221-ENU exam preparation.

Now please feel Huawei H12-221-ENU HCNP-R&S-IERS Free Online Test. HCDATEST shares 25 real exam questions with all of you. Each question values 4 Score. With HCDATEST Huawei H12-221-ENU HCNP-R&S-IERS Free Online Test, you can touch real Huawei H12-221-ENU HCNP-R&S-IERS (Implementing Enterprise Routing and Switching Network) exam.

Begin to test

Please go to [April 2018] Huawei H12-221-ENU HCNP-R&S-IERS Free Online Test to view this quiz

If have any questions, just contact us freely: [email protected]




07 Mar

Download H12-221-ENU real questions

Huawei exam is very hot. In this blog, we provide you the latest H12-221-ENU real questions. You can do the online test first before you purchase the full version. Generally there are only Chinese version study material. However, we specially translate them out to be English.

All the questions we translated are real questions. If you don’t believe it please check H12-221-ENU free online test first, then you decide whether it is worth for you to buy the full version.

Which of the following route entries match the IP-Prefix defined below?
ip ip-prefix test index 10 permit 16 greater-equal 24 less-equal 28
(Select 2 answers)
Answer: A, C

Which of the following is the multicast distribution tree maintained by PIM-DM?
Answer: A

Which of the following attributes must exist in the BGP update messages? (Select 3 answers)


05 Feb

Knowledge Points of HCNP R&S H12-221-ENU certification test

Hello guys, the followings are the detailed knowledge points of HCNP R&S H12-221-ENU certification test. Check below:

IP Basics
1.IPv4 address planning: classless IP address planning and Classless Inter-Domain Routing (CIDR)

OSPF Routing Protocols
1.Basic principles of link state routing protocols
2.OSPF principles, configuration, and implementation: neighbor and adjacency, protocol packet and LSA, database synchronization, intra-area route calculation, inter-area route calculation, and external route calculation
3.Principles and configuration of OSPF special areas: stub area, totally stub area, and not-so-stubby area (NSSA)
4.Basic methods of OSPF fault diagnosis

BGP Routing Protocols
1.BGP principles: AS, BGP neighbor, route distribution methods, and route advertisement rules
2.BGP path selection
3.BGP route aggregation
4.BGP routing policy: common attributes and routing policies of BGP
5.Basic principles and configuration of BGP route reflection and AS confederations for BGP
6.BGP multi-homing
7.BGP fault diagnosis methods

Routing and Routing Control
1.Route filtering by using filtering tools such as ACL, route policy, IP-prefix, and AS-Path
2.Mutual route import between IP routing protocols and advertisement of default routes
3.Policy-based route

Multicast Protocols
1.Basic principles and configuration of IGMPv1/v2/v3 and IGMP snooping
2.Basic principles and configuration of PIM-DM and PIM-SM

05 Feb

H12-221-ENU Exam Information

In the following sheet, you can know clearly about H12-221-ENU exam information, such as the exam score and test time.

Certification Exam Code Exam Name Duration Pass Score/
Total Score
(Huawei Certified Network Professional-Implementing Enterprise Routing Network)
90 min 600/1000

This H12-221-ENU exam is just one exam of HCNP-R&S certification tests. If you are interested in this exam, we are sure you can pass the exam very easily at your first attempt. Go to our H12-221-ENU online test page to view what you need.

The HCNP-R&S-IERN exam covers IPv4 address planning, OSPF, and BGP routing protocols, routing and routing control, multicast routing protocols, and knowledge and networking application of Huawei routers.

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