QUESTION 21
During WLAN planning and design, channels 1, 6, and 11 are recommended on the 2.4 GHz frequency band, and channels 1, 5, 9, and 13 are recommended in high-density scenarios. On 5 the 5 GHz frequency band, it is recommended that high-frequency and low-frequency channels of adjacent APs be staggered to prevent overlapping.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 22
On a VXLAN-based virtualized network, if the fabric uses centralized gateway networking, the gateway is located on the           device. (Capitalize only the first letter of the word.)

Correct Answer: Gateway
QUESTION 23
In the Huawei SD-WAN Solution, the number of tunnels to be established can be controlled using specific parameters. Based on the network topology shown in this figure, how many tunnels can be established?

A. 1
B. 2
C. 4
D. 3

Correct Answer:
QUESTION 24
Which of the following intelligent traffic steering policies can be used to fully utilize link bandwidth and implement link bandwidth-based load balancing on an enterprise network with multiple links?

A. Application priority-based traffic steering
B. Link quality-based traffic steering
C. Traffic bandwidth-based traffic steering
D. Link priority-based traffic steering

Correct Answer: C
QUESTION 25
Family A leases 30 Mbit/s network bandwidth and purchases the VoIP, IPTV, and broadband Internet access services. Family B leases 20 Mbit/s network bandwidth and purchases the IPTV and broadband Internet access services.
Family C leases 10 Mbit/s network bandwidth and purchases only the broadband Internet access service.
The carrier configures HQoS on the access device, as shown in the following figure. Which of the following statements are true?

A. Family A can obtain a maximum of 30 Mbit /s bandwidth for the Volp service, and family B can obtain a maximum of 1o Mbit/s bandwidth for the IPTV service.
B. Family A can obtain a maximum of 30 Mbit/s bandwidth for the broadband Internet access service, and family B can obtain a maximum of 20 Mbit/s bandwidth for the IPTV service.
C. Family A can obtain a maximum of 30 Mbit /s bandwidth for the IPTV service, and family C can obtain: maximum of 10 Mbit/s bandwidth for the broadband Internet access service.
D. Family A can obtain a maximum of 10 Mbit/s bandwidth for the broadband Internet access service, and family C can obtain a maximum of 10 Mbit/s bandwidth for the broadband Internet access service.

Correct Answer: AD
QUESTION 26
Drag the QoS function modules on the left to the numbers on the right to indicate the correct sequence in which the QoS functions are executed.

Select and Place:

Correct Answer:

QUESTION 27
L2TP needs to be used together with which of the following technologies to ensure transmission security?

A. GRE
B. 802.1X
C. IPsec
D. PPPOE

Correct Answer: C
QUESTION 28
In the Huawei SD-WAN Solution, if the RR is a deployed behind a NAT device, which of the following features needs to be deployed on the NAT device?

A. 1:1 static NAT
B. NAT ALG
C. NAT444
D. NAT Server

Correct Answer: B
QUESTION 29
Which of the following information can be used by a firewall to filter attack traffic?

A. UDP port number
B. TCP port number
C. Source and destination MAC addresses
D. Source and destination IP addresses

Correct Answer: ABCD
QUESTION 30
The RR is critical to the Huawei SD-WAN Solution, and its deployment mode varies based on the scenario. In which of the following modes can an RR be deployed?

A. Multi-area deployment of the RR
B. Independent deployment of the RR
C. Partially independent deployment of the RR
D. Co-deployment of the RR and hub site

Correct Answer: BCD
QUESTION 31
For enterprises, which of the following are the advantages of using carriers’ private lines?

A. High security
B. Low lease cost
C. Low maintenance cost
D. High network performance

Correct Answer: ACD
QUESTION 32
Which of the following components does IP FPM include?

A. DCP
B. SCP
C. MCP
D. TLP

Correct Answer: ABC
QUESTION 33
DSVPN overcomes some defects of GRE over IPsec, but GRE tunnels established using DSVPN still need to use IPsec technology to ensure tunnel security.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 34
SAC technology can flexibly identify applications. Which of the following signature databases can be used by SAC to identify applications?

A. LSDB signature database
B. DB signature database
C. SA signature database
D. FPI signature database

Correct Answer: CD
QUESTION 35
SAC implements fine-grained QoS policy control based on packet detection and identification results. Which of the following technologies can identify applications based on

the initial packet?

A. SA
B. FPI
C. PDT
D. FA

Correct Answer: B
QUESTION 36
VXLAN is a point-to-point Layer 2 tunneling technology that encapsulates data packets in MAC in             mode. (Enter the acronym in uppercase letters.)
Correct Answer: UDP
QUESTION 37
M-LAG is a technology that implements inter-device link aggregation. It provides device-level link redundancy. M-LAG implements load balancing as well as backup protection.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 38
Which of the following statements about M-LAG and stacking are true?

A. AI devices in an M-LAG can be considered as one device. This means that logging in to any device in the M-LAG is equivalent to logging in to the master device.
B. All devices in a stack can be considered as one device. This means that logging in to any device in the stack is the same as logging in to the master device.
C. Devices in an M-LAG transmit Hello packets and device information packets through peer-links.
D. In a stack, DAD can be performed only through the Ethernet management port.

Correct Answer: BC
QUESTION 39
The following figure shows the logical network of a VPC. Which of the following statements is false?

A. A logical router can be associated with multiple subnets.
B. One end port corresponds to one VM.
C. A logical switch can be associated with only one subnet.
D. A VPC is an isolated network within a tenant. A tenant can have multiple VPCs.

Correct Answer: C
QUESTION 40
In the security architecture of the Huawei CloudFabric Solution, which of the following devices are used to provide VASs?

A. Router
B. LB
C. Firewall
D. Switch

Correct Answer: BC