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所在平台: Udemy |
课程主页: https://www.udemy.com/course/msc-241-design-and-deploy-for-mototrbo-solutions-emea-exam/
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本课程（MSC-241 Design and Deploy for MOTOTRBO Solutions EMEA Exam）旨在帮助学员掌握MOTOTRBO解决方案的设计和部署。课程内容涵盖了实际场景中的各种问题和配置。 **核心知识点包括：** * **天线辐射模式与HAAT：** 理解天线的辐射模式以及高程（HAAT）对信号覆盖的影响，尤其是在城市环境中可能出现的“过顶”现象。 * **IP Site Connect 系统中的网络配置：** 探讨在IP Site Connect系统中，主中继器位于NAT防火墙路由器后时，其他中继器如何识别和连接主中继器，涉及WAN地址、LAN地址和DHCP等概念。 * **增益天线对信号的影响：** 分析更换不同增益的天线（例如从单位增益到6dB增益）对近地平线和站点下方信号强度的影响。 * **Capacity Plus系统与网络故障：** 了解在Capacity Plus系统中，WAN连接中断或IP网络故障时，对系统性能（如话音呼叫分配、Rest Slot分配、IP延迟导致音频失真）的影响。 * **NAT防火墙路由配置：** 学习当主中继器位于NAT防火墙路由器后时，如何通过端口转发（Port forwarding）等配置确保流量的正确路由。 * **系统在RF环境外的测试：** 掌握在不使用RF网络设备的情况下，对Capacity Plus系统中的中继器进行内部测试的方法，例如使用50欧姆RF负载进行测试。 **课程特点：** 课程通过一系列模拟实际问题和场景的样本问题，引导学员思考和解决MOTOTRBO解决方案在设计和部署过程中可能遇到的挑战，强调了对无线通信网络基础、IP网络知识以及MOTOTRBO特定功能的深入理解。
Sample Questions:A MOTOTRBO repeater is installed on top of a tall building located in a downtown area. The repeater provides excellent coverage to a large area. This is a single repeater, connected to a four-stack dipole antenna via a duplexer and low loss cable. Unfortunately, some of the users are complaining that the radio signal is very poor in the downtown area, and in some places, close to the repeater, they get no signal at all. What is the MOST likely explanation for this?The antenna is faulty or repeater is faulty.A duplexer should not be used on a tall building.The radiation pattern of the antenna and its HAAT (Height Above Average Terrain) is resulting in overshoot.Any one of these could explain what the users are experiencing.When a Master Repeater in an IP Site Connect system is behind a NAT firewall router, what IP address is used in all peer repeaters for the Master Repeater?The LAN address of the master repeaterThe Limited Broadcast IP address of the LAN subnetThe WAN address of the routerThe DHCP address assigned by the routerA two-way radio site with flat terrain and very little ground clutter has a unity gain transmit antenna with a measured Effective Radiated Power (ERP) at 40 Watts. What can be expected if the antenna is changed to a 6 dB gain omnidirectional antenna (select TWO)?Radio receive signal strength closer to the horizon decreases.Radio receive strength closer to the horizon increases.Radio receive signal strength directly below the site increases.Radio receive signal strength directly below the site decreases.A Capacity Plus system is operating at a remote site with a WAN connection to a local service shop for monitoring with RDAC. An IP networking failure caused an outage to the remote site. How will this impact the Capacity Plus system s performance?Repeaters will not be able to assign the next Rest Slot.The increased end-to-end IP Latency will result in garbled voice audio.The IP network failure will prevent voice calls from being assigned across all repeaters.RDAC will not be able to monitor system, but no impact to Capacity Plus system performance.When a Master Repeater is behind a NAT firewall router what must be configured in the router to ensure that all traffic destined to the Master Repeater is routed correctly?DHCP server - The master repeater uses a DHCP address assigned by the router.Enable Port forwarding - All traffic targeted to the master repeaters source port must be port forwarded to the master repeater s IP address.Route table - All WAN traffic targeted to the router s WAN address must be routed to the master repeater s LAN address.Disable Port forwardingYou are in the process of staging a Capacity Plus system for a new client. Your project manager has asked you to perform in-house testing of the repeaters without RF networking equipment by terminating the output of the PA. Given this request, which of the following statements is TRUE?The RF output can be unterminated.This can be done with a Network Analyzer.This can be done with a 50 Ohm RF dummy load.This can be done with a wattmeter with a capacity of 100 watts or more.
