最新的HCSE-Presales-Campus Network Planning and Design認證 H19-427_V1.0-ENU考試題庫

問題1

Enterprise SD-WAN network can be divided into two layers: Underlay physical network and Overlay virtual network. The physical network and virtual network are coupled with each other.

A. Correct

B. Error

正確答案: B

問題2

Which of the following terms correctly describe WLAN roaming?

A. HAC (Home AC): When a wireless terminal associates with an AC in the roaming group for the first time, the AC is its HA

B. FAC (Foreign AC): The AC that a wireless terminal associates with after roaming is its FAC

C. FAP (Foreign AP): The AP to which a wireless terminal associates after roaming is its FAP.

D. HAP (Home AP): When a wireless terminal associates with an AP in the roaming group for the first time, the AP is its HAP.

正確答案: A,B,C,D

問題3

What patterns can be identified and analyzed using CampusInsight's clustering algorithm for connection-related problems?

A. User Level

B. SSID level

C. Manufacturer Level

D. AC/AP level

正確答案: A,B,C,D

問題4

In the CloudCampus solution, which of the following functions does iMaster NCE support?

A. GIS-based equipment monitoring capabilities

B. Configure and monitor devices based on the SNMP protocol.

C. Batch upgrade of equipment.

D. Offline pre-configuration of devices

正確答案: A,C,D

問題5

Which of the following descriptions about remote modules is correct?

A. Only supports optical fiber hybrid cables

B. Support POE power supply

C. Topology discovery can be automatically completed through the XLDP protocol

D. Support plug and play

正確答案: B,C,D

問題6

Which of the following statements about 802.1X authentication is incorrect?

A. The 802.1X protocol is a port-based network access control protocol.

B. 802.1X can only be applied to the physical interface of the switch and cannot be applied to the logical interface.

C. The 802.1X protocol is a Layer 2 protocol and does not require Layer 3. It does not require high performance of access devices and can effectively reduce network construction costs.

D. The 802.1X system is a typical Client/Server structure.

正確答案: B

問題7

The relationship between WLAN signal transmission distance and attenuation value is: every time the transmission distance doubles, the signal attenuates by about 10dB.

A. Correct

B. Error

正確答案: B

問題8

SD-WAN GW has the ability to connect SD-WAN and traditional networks at the same time, and can serve as an intermediate gateway device to achieve interconnection between the two.

A. Correct

B. Error

正確答案: A

問題9

WLAN network regulations recommend that the coverage requirement for general area field strength be greater than -85dBm.

A. Correct

B. Error

正確答案: B

問題10

When the Cloud Box device registers using DHCP Option, which option is used?

A. 148

B. 43

C. 79

D. 168

正確答案: A

問題11

Which of the following functions can an optoelectronic hybrid central switch provide?

A. Wired and wireless convergence

B. Expansion Card

C. Remote Access

正確答案: A,B,C

問題12

Which of the following statements about antenna polarization are correct?

A. If the direction of the electric field of a radio wave is perpendicular to the ground, we call it a vertically polarized wave.

B. The antenna radiates electromagnetic waves into the surrounding space, and the direction of its electric field changes according to a certain rule.

C. A dual-polarized antenna is a combination of two antennas with perpendicular polarization directions, which can achieve optimal diversity gain and save installation space.

D. The polarization of an antenna refers to the direction of the magnetic field strength formed when the antenna radiates.

正確答案: A,B,C

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