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H12-223 Huawei Certified Network Professional-R&S-IEEP Questions and Answers

Questions 4

oSPF is a very popular protocol. In the case of regular networking and correct configuration, routing calculations generally do not make mistakes. Which of the following reasons may cause 0SPF neighbors no

Options:

A.

The link works abnormally

B.

Interface OSPF MTU configuration is different

C.

The 0SPF network types at both ends of the link are inconsistent

D.

Neighbors have the same Router ID

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Questions 5

Which of the following steps or measures are taken in the one-by-one check phase of the structured network troubleshooting process? (Multiple Choice)

Options:

A.

Contingency plan

B.

Rollback preparation

C.

Temporary environment setup

D.

Information filter

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Questions 6

Which of the following architecture is used by mainstream switches?

Options:

A.

Bus

B.

Shared memory

C.

Switching matrix

D.

Distributed

E.

Clos architecture

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Questions 7

Huawei's enterprise network NMS eSight has three editions: simplified, standard, and professional. Unlike the standard edition, which of the following features is provided by the professional edition?

Options:

A.

Provide a database backup tool.

B.

Support multi-user management.

C.

Support management of the WLAN and MPLS VPN.

D.

Support hierarchical management model.

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Questions 8

Which of the following statements regarding the device software upgrade feasibility is true?

Options:

A.

To ensure the stable running of network devices, you are advised to upgrade the device software in a timely manner.

B.

Generally, the device software upgrade does not affect the stable network running. Therefore, risk assessment and avoidance are not required before the upgrade.

C.

The upgrade only causes service interruption for a very short time. Therefore, you do not need to confirm with the customer about the upgrade, improving efficiency.

D.

Before performing a major upgrade or complex upgrade operations, you need to conduct commissioning and test the upgrade plan and contingency plan in the simulation environment.

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Questions 9

Huawei's USG6X00 series firewalls belong to the UTM firewall product and support stateful inspection packet filtering as well as intrusion detection, anti-virus, and URL filtering.

Options:

A.

TRUE

B.

FALSE

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Questions 10

The migration rollback time can be determined based on the actual migration situation without the need to plan in advance.

Options:

A.

TRUE

B.

FALSE

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Questions 11

To rectify a VRRP group two-master fault, run the display this command on VLANIF interfaces on both ends of the VRRP group. Which of the following operations is not performed?

Options:

A.

Check whether the interface IP addresses are on the same network segment.

B.

Check whether the VLANIF interfaces have the same VRRP group ID.

C.

Check whether the virtual IP address is the same on the VLANIF interfaces in the VRRP group.

D.

You do not need to check whether the interval for sending VRRP Advertisement packets is the same on the VLANIF interfaces.

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Questions 12

Which of the following causes may result in an IS-IS neighbor relationship fault? (Multiple Choice)

Options:

A.

The devices on two ends of a link have the same system ID.

B.

The devices on two ends of a link have inconsistent IS-IS levels.

C.

When an IS-IS Level-1 neighbor relationship is established, the devices on two ends of a link have inconsistent area addresses.

D.

The IP addresses of interfaces on two ends of a link are on different network segments.

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Questions 13

Assume that you received a phone call at your office seat. An employee said he/she could not access the Internet on the PC and needed your technical support. Then you ran the ping command on his/her PC and ran the tracert command to check where packet loss occurred. Which of the following troubleshooting methods is used in this process?

Options:

A.

Configuration comparison

B.

Bottom-up

C.

Service traffic path check

D.

Top-down

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Questions 14

After PPP Multilink is configured, data is evenly allocated to member links based on the source and destination addresses,

Options:

A.

TRUE

B.

FALSE

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Questions 15

DHCP snooping is a valid security mechanism. Which of the following attack prevention methods can DHCP snooping provide? (Multiple Choice)

Options:

A.

Defense against bogus DHCP server attacks

B.

Defense against DoS attacks on the DHCP server

C.

Defense against MAC address flooding attacks

D.

Source MAC address check for data packets in collaboration with DAI

E.

Source IP address check for data packets in collaboration with IPSG

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Questions 16

In most cases, optical power is expressed in dBm. Which of the following values in dBm is supported by most optical transceiver devices to receive and identify data?

Options:

A.

-30 dBm

B.

-10 dBm

C.

10 dBm

D.

30 dBm

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Questions 17

After the project delivery, the O&M expenses are continuously generated. Which of the following items are the expenses generated during the O&M? (Multiple Choice)

Options:

A.

Energy expenses

B.

Line construction expenses

C.

Line lease expenses

D.

Equipment depreciation expenses

E.

Staff expenses

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Questions 18

When a Huawei router serves as an SSH client and attempts to log in to another Huawei router, the login fails. It is suspected that the SSH server configuration is incorrect. Which of the following causes is the most impossible for the server fault?

Options:

A.

The SSH protocol is not bound in the VTY user interface view.

B.

The user service type, authentication type, and user service type are not configured.

C.

The SSH server and client have inconsistent versions.

D.

The SSH first-time authentication function is disabled.

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Questions 19

A local key pair must be configured for a device working as an SSH server.

Options:

A.

TRUE

B.

FALSE

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Questions 20

Which of the following items is conducted in the cause list phase of the structured network troubleshooting process?

Options:

A.

One-by-one check

B.

Information filter

C.

Temporary environment setup

D.

Troubleshooting assessment

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Questions 21

To reduce the device overhead, perform network monitoring at the network ingress, server interfaces, and key links.

Options:

A.

TRUE

B.

FALSE

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Questions 22

Generally, which of the following enterprise services require user experience optimization? (Multiple Choice)

Options:

A.

Video surveillance

B.

Videoconferencing

C.

Voice call

D.

Network management

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Questions 23

Which of the following operations should be performed preferentially for Telnet login failure troubleshooting?

Options:

A.

Check whether the client can ping the server.

B.

Check whether the number of login users reaches the upper limit.

C.

Check whether an ACL is configured in the VTY user interface view.

D.

Check whether the access protocol is correctly configured in the VTY user interface view.

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Questions 24

Which of the following operations may be needed for checking the service traffic path? (Multiple Choice)

Options:

A.

Check the service traffic path at the data link layer.

B.

Check the service traffic path at the network layer.

C.

Survey the service traffic path planning in the network design phase.

D.

Check the fault frequency.

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Exam Code: H12-223
Exam Name: Huawei Certified Network Professional-R&S-IEEP
Last Update: Nov 29, 2023
Questions: 166
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