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Huawei H12-351_V1.0 Practice Test - Questions Answers, Page 4

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Which of the fallowings is not an IPv6 address type?
Which of the following encapsulation formats are used for EAP termination in 802.1X authentication? (Select All that apply)
Which of the following may be the reason why no data Is displayed on the telemetry management page of IMaster NCE-CampusInsight? (Select All that Apply) A. The network connecting devices and iMaster NCE-Campuslnsight Is faulty.
With protocol trace, iMaster NCE-Campuslnsight displays protocol-level Interaction details at the phases for wireless users. (Enter the acronyms in capital letters.)
Which of the following statements about VXLAN is false?
Which of the following statements are true about the WLAN site survey In different typical scenarios? (Select All that Apply)
Which of the followings is not a roaming optimization solution?
In a VRRP HSB scenario, if the VRRP preemption delay is set to a small value, which of the following problems may occur after a master/backup switchover? (Select All that apply)
In a multicast solution, there must be reachable unlcast routes between multicast sources and receivers.
On a campus network, which of the following problems may occur when you manually create a static VXLAN tunnel? (Select All that Apply)

Question 31

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DRAG DROP

Drag the Huawei's wireless positioning solutions on the left to their corresponding features and application scenarios on the right.


Question 31
Correct answer: Question 31

Explanation:

According to the Huawei documents and resources, the features and application scenarios of the wireless positioning solutions are as follows:

Wi-Fi terminal positioning: Performs network-side positioning generally based on the RSSI, but provides low positioning accuracy. This method applies to scenarios such as precision marketing and customer flow analysis in shopping malls.

Bluetooth tag positioning: Runs based on the built-in Bluetooth module of an AP. The AP reports data to a positioning engine for location resolution. This positioning technology provides low positioning accuracy and applies to asset positioning and personnel positioning scenarios.

UWB positioning: Provides high positioning accuracy, and is applicable to scenarios that require high accuracy, such as intelligent manufacturing, warehousing logistics, and mechanical manufacturing.

Bluetooth terminal positioning: Runs based on the built-in Bluetooth module of an AP, which can be implemented on either the network side or terminal side.

Therefore, Wi-Fi terminal positioning - 3, Bluetooth tag positioning - 4, UWB positioning - 2, Bluetooth terminal positioning - 1 is the correct answer. Reference: :

https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/wi-fi-terminalpositioning

https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/bluetooth-tagpositioning

https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/uwbpositioning

https://support.huawei.com/enterprise/en/doc/EDOC1100158948/9a0d5c37/bluetooth-terminalpositioning


Question 32

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Satellite positioning can achieve high positioning accuracy in both indoor and outdoor scenarios.

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: B

Explanation:

Satellite positioning can achieve high positioning accuracy in outdoor scenarios, but not in indoor scenarios. This is because satellite signals are easily blocked or interfered by buildings, walls, ceilings, and other obstacles in indoor environments.

Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/satellitepositioning

Question 33

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Which of the following statements about fingerprint-based positioning technology are true? (Select All that Apply)

A.
The positioning engine generates a virtual fingerprint library through calculations based on the AP deployment and environment information.
A.
The positioning engine generates a virtual fingerprint library through calculations based on the AP deployment and environment information.
Answers
B.
Terminals learn from each other to form a fingerprint library that can be shared.
B.
Terminals learn from each other to form a fingerprint library that can be shared.
Answers
C.
APs collect surrounding environment information to form a fingerprint library.
C.
APs collect surrounding environment information to form a fingerprint library.
Answers
D.
The fingerprint map is obtained through onsite information collection.
D.
The fingerprint map is obtained through onsite information collection.
Answers
Suggested answer: A, D

Explanation:

Fingerprint-based positioning technology is a method that uses the signal strength or phase difference of wireless signals to locate objects. There are two types of fingerprint-based positioning technology: virtual fingerprint-based positioning and real fingerprint-based positioning. In virtual fingerprint-based positioning, the positioning engine generates a virtual fingerprint library through calculations based on the AP deployment and environment information. In real fingerprint-based positioning, the fingerprint map is obtained through onsite information collection.

Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/fingerprintbased-positioning-technology

Question 34

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Which of the followings is an IPv6 multicast address?

A.
2222::11
A.
2222::11
Answers
B.
FF02::18C
B.
FF02::18C
Answers
C.
FE80:: A
C.
FE80:: A
Answers
D.
FC00::1
D.
FC00::1
Answers
Suggested answer: B

Explanation:

FF02::18C is an IPv6 multicast address. An IPv6 multicast address starts with FF and identifies a group of interfaces that belong to the same multicast group. The other options are not IPv6 multicast addresses. 2222::11 is an IPv6 unicast address, FE80::A is an IPv6 link-local address, and FC00::1 is an IPv6 unique local address.

Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/ipv6-multicast-addresses

Question 35

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Which of the following parameters can be allocated to clients In DHCPv6 stateful autoconflguratlon?

(Select All that Apply)

A.
IPv6 address
A.
IPv6 address
Answers
B.
PD prefix
B.
PD prefix
Answers
C.
SNTP server address
C.
SNTP server address
Answers
D.
DNS server address
D.
DNS server address
Answers
Suggested answer: A, B, D

Explanation:

In DHCPv6 stateful autoconfiguration, a client obtains an IPv6 address, a PD prefix (if required), and other configuration parameters (such as DNS server address) from a DHCPv6 server.

Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/dhcpv6-stateful-autoconfiguration

Question 36

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Which of the fallowings is not an IPv6 address type?

A.
Multicast address
A.
Multicast address
Answers
B.
Unicast address
B.
Unicast address
Answers
C.
Broadcast address
C.
Broadcast address
Answers
D.
Anycast address
D.
Anycast address
Answers
Suggested answer: C

Explanation:

Broadcast address is not an IPv6 address type. IPv6 does not support broadcast addressing, but uses multicast addressing instead. The other options are valid IPv6 address types. Unicast address identifies a single interface, multicast address identifies a group of interfaces, and anycast address identifies multiple interfaces but delivers packets to only one of them.

Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/ipv6-address-types

Question 37

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Master NCE-Campuslnsight can comprehensively record and analyze Interference. Which of the following parameters are recorded? (Select All that Apply)

A.
Recommended channels
A.
Recommended channels
Answers
B.
Interference fulfillment rate
B.
Interference fulfillment rate
Answers
C.
Interference strength
C.
Interference strength
Answers
D.
Number of interference SSIDs
D.
Number of interference SSIDs
Answers
E.
Air interface congestion fulfillment rate
E.
Air interface congestion fulfillment rate
Answers
Suggested answer: A, C, D

Explanation:

B and E are not parameters recorded by iMaster NCE-CampusInsight for interference analysis. The other options are parameters recorded by iMaster NCE-CampusInsight to comprehensively record and analyze interference.

Reference:

https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/interference-analysis

Question 38

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To which of the following scenarios is radio calibration applicable?

A.
Enterprise office scenario
A.
Enterprise office scenario
Answers
B.
Rail transportation scenario
B.
Rail transportation scenario
Answers
C.
High-density scenario
C.
High-density scenario
Answers
D.
WDS or mesh backhaul scenario
D.
WDS or mesh backhaul scenario
Answers
Suggested answer: C

Explanation:

Radio calibration is applicable to high-density scenarios where a large number of users access the network simultaneously and require high bandwidth, such as stadiums, exhibition halls, and conference centers. Radio calibration can improve user experience by increasing the frequency bandwidth for high-load APs.

Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/radiocalibration

Question 39

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Which of the following tools are commonly used for WLAN network planning, acceptance, or health evaluation? (Select All that Apply)

A.
WLAN Planner
A.
WLAN Planner
Answers
B.
iMaster NCE-Campuslnsight
B.
iMaster NCE-Campuslnsight
Answers
C.
eDesk
C.
eDesk
Answers
D.
CloudCampus APP
D.
CloudCampus APP
Answers
Suggested answer: A, B, D

Explanation:

C is not a tool commonly used for WLAN network planning, acceptance, or health evaluation. eDesk is a tool for remote fault diagnosis and rectification on WLAN networks.

Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/wlanplanner

https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/imaster-ncecampusinsight

https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/cloudcampus-app

Question 40

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iMaster NCE-Campuslnsight comprehensively analyzes WLAN client access, displays success rates and time consumption of association, --------, and DHCP. It also provides issue analysis and optimization suggestions. (Enter lowercase letters.)

A.
authentication
A.
authentication
Answers
Suggested answer: A

Explanation:

iMaster NCE-CampusInsight comprehensively analyzes WLAN client access, displays success rates and time consumption of association, authentication, and DHCP. It also provides issue analysis and optimization suggestions.

Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100058940/8a8f1c9b/clientaccess-analysis

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