H12-222-ENU HCNP-R&S IESN (Implementing Enterprise Switching Network)

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We will provide 20 questions for Huawei HCNP-R&S Certification H12-222-ENU HCNP-R&S IESN online test. You can get 5 points after answer one question correctly. All the questions we provide are the latest exam subjects. They are just part of the full version 286 questions. If you want to purchase the full version 286 questions please go to our Shop page or click “I want to buy full version“. Just leave your message here or contact us via email [email protected] if you have any questions.

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1. Agile Controller, as a network resource automation control system, can provide unified policy engine and implement unified access strategy in the whole organization. It can realize based on user identity, access time, access location, terminal type, terminal source and access mode (For shot: 5W1H) certification and authorization.

A. True

B. False

Question 1 of 20

2. MPLS network can publish labels in different ways.
20161130162836

As shown in the figure, SWB and SWA use DU mode to distribute labels. When SWA acts as the upstream switch, then? (Multiple Choice)

A. SWA does not request a label from the SWB and the SWE still sends a label mapping message to the SWA.

B. The SWA does not request a label from the SWB, SWB will not send a label mapping message to the SWA neither.

C. SWB does not request a label from SWA, and SWA still sends a label mapping message to SWB.

D. SWB does not request a label from SWA and SWA does not send a label mapping message to SWB.

Question 2 of 20

3. Adopting QoS in the network, while improving the service quality of certain kinds of business, it will certainly damage the service quality of other business.

A. True

B. False

Question 3 of 20

4. What is the configuration command that associates VRRP with BFD?

A. vrrp vrid 1 track bfd-session session-name 1 reduced 100

B. bfd-session vrrp vrid 1 track session-name 1 reduced 100

C. track vrrp vrid 1 bfd-session session-name 1 reduced 100

D. vrrp vrid 1 track bfd-session-name 1 reduced 100

Question 4 of 20

5. What the QoS technology does congestion avoidance commonly use?

A. GTS

B. LR

C. Car

D. WRED

Question 5 of 20

6. Bandwidth determines the data transmission's rate, and the maximum bandwidth of the transmission is determined by the minimum link bandwidth on the transmission path.

A. True

B. False

Question 6 of 20

7. When configuring a RADIUS server template on Huawei switches, which of the following options are optional configuration parameters?

A. Authentication server address and port

B. RADIUS automatically detects users

C. Accounting server address and port

D. shared-key

Question 7 of 20

8. In MPLS, it has different ways for label distribution when using LDP, the following descriptions about LDP lable distribution way, which are wrong? (Multiple Choice)

A. The LDP label control can mark by Odered manner

B. Using an ordered manner, when an LSR is the originating node of a route, the LSR does not need to wait for the next-hop tag mapping to send the mapping to the upstream.

C. LDP label control can not use the independent way to mark.

D. Using a standalone mode, the LSR can send a label mapping to the upstream LSR and must wait for a label mapping message from the next hop of the LSR.

Question 8 of 20

9. There is a difference between RSTP protocol and STP protocol, in RSTP protocol when defining port status, which port states are defined?

A.Discarding state

B.Learning state

C.Forwarding state

D. All of the above

Question 9 of 20

10. When configuring and achieving STP protocol, each running STP agreement's switch in the network all have a unique ID, what is the ID?

A. two bytes length's switch priority

B. six bytes length's MAC address

C. two bytes length's switch priority and the six-byte length's MAC address

D. six bytes length's switch priority and the six-byte length's MAC address

Question 10 of 20

11. When running the STP agreement on the switch, the switch just being started is in the initialization stage and thought itself is the root switch, which of this time's BPDU parameter settings is correct? (Please select 3 answers)

A.Designated Root is the switch itself

B.Designated Cost is 0

C.Designated Bridge is the switch itself

D.Designated Port is 0

Question 11 of 20

12. The following is a switch configuration command,

(SWB) STP enable

(SWB) STP mode STP

(SWB) the STP priority 8192

Which description is correct? (please select 3 answers)

A. stp enable is used to start switch's STP function, by default, the switch's STP function is in the enabled function.

B. By default, Huawei switches operating mode is the traditional STP mode.

C. stp priority commands is used to configure the switch priority, by default, the switch priority value is 32768.

D. the priority of the switches, the range is 0 - 61440, the step length is 4096, namely the switch can set 16 priority values, such as 0, 4096, 8192.

Question 12 of 20

13. [SWC]display stp

Protocol mode: IEEE compatible STP

"bridge ID (Pri.MAC): 32768.00e0-fc41-43b9

The bridge times: Hello Time 2 sec, Max Age 20 sec, Forward Delay 15 sec

Root bridge ID(Pri.MAC): 4096.00e0-fc41-4259

Root path cost: 200

Bridge bpdu-protection: disabled

Timeout factor: 3 about this section displaying command statement, which is correct? (Please select three answers)

A. The switch itself is the root switch, MAC address is 4096.00e0-fc41-4259.

B. the switch's root path cost is 200.

C. The switch running STP mode is traditional STP

D. The switch is not the root switch; root switch MAC address is 4096.00e0-fc41-4259.

Question 13 of 20

14. 20161130162836

In running STP network, it will select root switch. As shown in the STP network, please choose after elected root switch.

A. SWA

B. SWB

C. SWC

D. None of the above

Question 14 of 20

15. After receiving a better configuration BPDU from the port, the process of recalculating the root switch, root port and root path cost will be started. For this calculation process, which is correct? (Please choose 4 answers)

A. compare all ports Designated Root, Designated Cost and Port Cost total value, the sum of Designated Bridge and the Designated Port values, choose the optimal parameters of the Port, and the Designated Port this port record is much better than the switch itself Bridge Identifier, this Port is the Root Port.

B. after selecting the Root port, update switches global parameters Designated Root to be Designated Root recorded on Root port; update switch global parameters Root Path Cost to be the sum of Designated Cost the root port records and root port's Port Cost.

C. If the Designated Root parameter that is recorded in any port is not priority than the switch itself Bridge Identifier, then the switch global parameters Designated Root is set for the switch itself Bridge Identifier; switch Global parameters Root Path Cost value is set to be 0.

D. After the root switch, root port, the root path cost calculation is complete and updated the switch global parameter; start to enable designated port selection process.

E. None of the above is correct

Question 15 of 20

16. Compared with traditional STP, RSTP, defines two different port roles, which statement is correct? (Please select 2 answers)

A. Alternate Port is mainly to backup root port, while backup port is mainly to backup designated port.

B. If the Designated switch that is connected by the port network segments is this port's switch. Then the port status is sset to be Alternate Port.

C. backup port in the forwarding state, and the switch is the designated switch that is connected by the port networking segment.

D. Alternate port in the forwarding state, and the switch is not the designated switch that is connected by the port in networking segment.

E. whether it is the backup port or Alternate port, they are not in the forwarding state.

Question 16 of 20

17. A network environment, both running RSTP switches, also run STP switches. The phenomenon is that the network will appear 🙁 Please select 2 answers )

A. RSTP and STP not interoperable, will conduct independent operations.

B. RSTP and STP can interoperable, but this time will lose such as RSTP advantages of rapid convergence.

C. If it is Huawei switching equipment, then RSTP will convert to STP mode, and after the switch device that can configure and run STP is evacuated from the network, the switch device running RSTP can be migrated back to RSTP working mode.

D. If it is Huawei switching equipment, then STP will convert to RSTP mode, and after the switch device that can configure and run RSTP is evacuated from the network, the switch device running STP can be migrated back to RSTP working mode.

Question 17 of 20

18. [SWA]stp mode mstp

[SWA]stp region-configuration

[SWA-mst-region]region-name RegionA

[SWA-mst-region]revision-level 1

[SWA-mst-region]instance 1 vlan 2

[SWA-mst-region]instance 2 vlan 3

[SWA-mst-region]active region-configuration

About this section configuration, which description is correct? (Please select three answers)

A.stp mode mstp command is used to enable switch MSTP feature, by default, the exchanged MSTP is in enabled condition

B.region-name RegionA this command is the MST domain to configure the switch, by default; the switch's MST domain is the switch's MAC address.

C.revision-level 1 is to configure the MSTP revision level, which ranges from 0 to 65,535. By default, MSTP revision level is 1.

D.instance 2 vlan 3 command is to map the VLAN 3 to MST Instance 2. All the default VLAN mapped to 1 on the Instance.

E.active region-configuration command is used to activate the MST region configuration. If you do not perform this operation, configuration name, VLAN mapping table and MSTP revision level can not be effective.

Question 18 of 20

19. 20161130162836

In the network shown in the figure, all switches running RSTP protocol, if SWB E1 interface failure, what is the process of RSTP (please select 3 answers)

A.SWB deletes MAC address's port entries that put E1 as the destination

B. recalculates the spanning tree; choose E2 as the new root port

C. Send topology change notification outwards on all forwarding ports, notify the other switches in the network that topology change occurs

D. Send topology change notification outwards on all non-edge forwarding ports, notify the other switches in the network that topology change occurs

Question 19 of 20

20. There are two BPDU in STP, one configured BPDU, the other Topology changes notify BPDU, about the two BPDU, which of the following statements are correct? (Choose 2 Answers)

A. After network topology changed, downstream device sends TCN BPDU message to the upstream device three times

B. During initialization, each bridge actively sends configuration BPDU.

C. The length of the configuration BPDU at least 16 bytes, including the bridge ID, path cost, and port ID etc. parameters.

D. When the root port receives the configuration BPDU, the root port where the device in will copy a configuration BPDU to each designated port of its own.

Question 20 of 20

Based on new Huawei HCNP-R&S certification H12-222 exam objectives, we have updated new Huawei HCNP-R&S Certification H12-222-ENU exam questions on Dec.7, 2017. Please check new H12-222-ENU Huawei HCNP-R&S free online test from the following link: http://www.hcdatest.com/demo-questions-h12-222-enu-hcnp-rs-ienp-v11-02-285-questions-version/

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H12-222-ENU HCNP-R&S IESN (Implementing Enterprise Switching Network)

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