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Huawei H12-223 Huawei Certified Network Professional-R&S-IEEP Exam Practice Test

Demo: 24 questions
Total 166 questions
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Huawei Certified Network Professional-R&S-IEEP Questions and Answers

Question 1

Which of the following parameters are used to evaluate switch performance? (Multiple Choice)

Options:

A.

Port density

B.

CPU frequency

C.

Switching capacity

D.

Packet forwarding capability

E.

MAC address table size

F.

Port rate

Question 2

Which of the following statements regarding border security optimization are true? (Multiple Choice)

Options:

A.

Border security optimization aims to prevent or reduce external network attacks and harm.

B.

The optimization position is usually located at the network edge.

C.

Optimization measures include attack defense technologies, packet filtering, and hardware firewalls.

D.

Border security optimization aims to achieve secure user access control.

Question 3

A network administrator fails to access devices on the internal network through Telnet. Which of the following causes is the most impossible?

Options:

A.

The route is unreachable, and the client fails to establish a TCP connection with the server.

B.

The number of login users reaches the upper limit.

C.

An ACL is bound in the VTY user interface view.

D.

The protocol inbound all command is configured in the VTY user interface view.

Question 4

In the process of daily troubleshooting, engineers may need to check some reported information of the equipment.

By executing the terminal______ command, turn on the terminal to display the debugging/logging information function sent by the information center. (Please use English lowercase letters to complete the command, and the command cannot be abbreviated)

Options:

Question 5

Which of the following functions is not achieved by formulating a project delivery process?

Options:

A.

Improve customer satisfaction.

B.

Determine the division of responsibilities.

C.

Improve work efficiency.

D.

Reduce project risks.

Question 6

Which of the following subsystems are involved in building cabling? (Multiple Choice)

Options:

A.

Horizontal subsystem

B.

Access subsystem

C.

Backbone subsystem

D.

Vertical subsystem

E.

Switching subsystem

Question 7

Current enterprise networks usually use OSPF as the routing protocol. What precautions are there when OSPF is used? (Multiple Choice)

Options:

A.

Determine that the backbone area will not split.

B.

Check whether secondary optimal routes exist on the network according to OSPF route selection rules.

C.

Check whether all non-backbone areas are correctly and reliably connected to the backbone area.

D.

Check the OSPF network topology and ensure that no loop exists when OSPF routes are being calculated.

E.

Verify that OSPF costs can correctly demonstrate the actual bandwidth of links at more than 100 Mbit/s.

Question 8

Compared with a three-layer network architecture, a two-layer network architecture has simple topology and high data forwarding efficiency. The network architecture will transform to the two-layer architecture, and the three-layer network architecture will be gradually phased out.

Options:

A.

TRUE

B.

FALSE

Question 9

As shown in the figure, it is assumed that STP is not enabled and a loop has occurred. The possible phenomena include which of the following options?

Options:

A.

A large number of broadcast messages can be received on the Host

B.

Device CPU usage is too high

C.

MAC address table oscillating

D.

A loop alarm will appear on the device.

Question 10

Software upgrade operations are similar for Huawei datacom products. Therefore, before a software upgrade, you only need to briefly read the upgrade guide.

Options:

A.

TRUE

B.

FALSE

Question 11

Switches run the MSTP protocol by default. Which of the following statements regarding the default status is true?

Options:

A.

All switches run in the same region by default.

B.

The STP calculation speed is faster than that when multiple instances are configured.

C.

Due to lack of configuration, all switches switch the running mode to RSTP.

D.

Each switch runs in an independent region.

Question 12

Upon VRRP group flapping, the vrrp vrid timer advertise command is executed on the router to increase the interval for sending VRRP packets, and then the display vrrp command is executed repeatedly on the backup device to check the State field. It is found that the value of State remains unchanged. Which of the following statements regarding these operations is true?

Options:

A.

A small interval for sending VRRP packets may cause status flapping of the backup device.

B.

A large interval for sending VRRP packets may cause status flapping of the backup device.

C.

Status flapping of the backup device is irrelevant to the interval for sending VRRP packets.

D.

The fault cause is not found, and it takes time for the device to recover from the fault.

Question 13

Which of the following network features is described by counters such as mean time between failures (MTBF) and mean time to repair (MTTR)?

Options:

A.

Scalability

B.

Availability

C.

Security

D.

Cost-effectiveness

Question 14

Which of the following information can be learned based on the industry background of the project?

Options:

A.

Common solutions in the industry

B.

Problems to be resolved by the project

C.

Organizational structure of customers

D.

Implementation scope of the project

Question 15

Which of the following does not require customers' signing in a migration project?

Options:

A.

Finalized migration solution

B.

Change application form

C.

Change notification form

D.

Migration completion report

Question 16

Which of the following options are the sub-processes or phases of the structured network troubleshooting process? (Multiple Choice)

Options:

A.

Configuration comparison

B.

Fault report

C.

Cause list

D.

One-by-one check

Question 17

Currently, to which of the following modes does network design conform? (Multiple Choice)

Options:

A.

Modular

B.

Automatic

C.

Hierarchical

D.

Modern

E.

Standard

Question 18

Which of the following networks are involved during construction of a large enterprise network? (Multiple Choice)

Options:

A.

Backbone network

B.

Transport network

C.

Data center network

D.

Wireless network

E.

Storage network

Question 19

On a campus network, the gateway is usually configured on the aggregation layer. What advantages does this design have compared with configuring the gateway on the access layer? (Multiple Choice)

Options:

A.

Reduce the broadcast domain on the network and the probability of broadcast storms.

B.

Achieve separate convergence of Layer 2 and Layer 3 to increase the convergence speed and network stability.

C.

Properly design the Layer 2 network scale, reduce network segment allocation, and improve network management efficiency.

D.

Allow configuring access devices as Layer 2 devices, reducing network construction costs.

E.

Leverage the STP and VRRP mechanisms to improve network reliability.

Question 20

As shown in the figure, all interfaces of the router have ospf enabled. Which one of the following descriptions is correct?

Options:

A.

The Type3LSA generated by A.R6 in area 1 contains 10.0.2.2/32 routing information

B.

R5 will generate Type3 LSA in area 1

C.

The Type3 LSA generated by R3 in area 0 contains 10.0.2.2/32 routing information

D.

The Type3 LSA generated by R4 in area 1 contains 10.0.2.2/32 routing information

Question 21

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.

Question 22

The structured network troubleshooting process is triggered by a fault report. The basic principle is to simplify troubleshooting by narrowing down or isolating all possible causes of a fault into several small subsets. In what sequence are structured network troubleshooting steps carried out? 1. Information collection 2. Fault identification 3. Cause list 4. Troubleshooting assessment 5. Fault analysis 6. One-by-one check 7. Fault rectification

Options:

A.

1->2->3->6->4->5->7

B.

1->2->3->6->5->4->7

C.

2->l->3->5->6->4->7

D.

2->l->5->3->4->6->7

Question 23

Ethernet supports broadcast. Once a network loop occurs, this simple broadcast mechanism will cause catastrophic consequences. Which of the following symptoms may be caused by a loop? (Multiple Choice)

Options:

A.

Users cannot log in to the device remotely.

B.

The display interface command output shows a large number of broadcast packets received on an interface.

C.

The CPU usage exceeds 70%.

D.

A lot of ICMP packets are lost in ping tests.

Question 24

Which of the following causes may lead to a failure for hosts in the same VLAN to communicate with each other? (Multiple Choice)

Options:

A.

The interfaces connected to the users are shut down manually or the physical interfaces are damaged.

B.

The switch learns incorrect MAC addresses.

C.

Port isolation is configured on the switch.

D.

Incorrect mappings between interfaces and MAC addresses are configured on the switch.

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Demo: 24 questions
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