While troubleshooting a connectivity issue from a PC you obtain the following information: Local PC IP address: 190.0.3.35/24 Default Gateway: 190.0.3.1 Remote Server: 190.0.5.250/24 You then conduct the following tests from the local PC: Ping 127.0.0.1

题目

While troubleshooting a connectivity issue from a PC you obtain the following information: Local PC IP address: 190.0.3.35/24 Default Gateway: 190.0.3.1 Remote Server: 190.0.5.250/24 You then conduct the following tests from the local PC: Ping 127.0.0.1 - Unsuccessful Ping 190.0.3.35 - Successful Ping 190.0.3.1 - Unsuccessful Ping 190.0.5.250 - Unsuccessful What is the underlying cause of this problem?（）

A、TCP/IP not correctly installed
B、Local physical layer problem
C、NIC not functioning
D、Remote physical layer problem

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第1题

While troubleshooting a network connectivity problem, a technician observes steady link lights on both the workstation NIC and the switch port to which the workstation is connected. However, when the ping command is issued from the workstation, the output message "Request timed out." is displayed. At which layer of the OSI model does the problem most likely exist（）。A、the session layerB、the protocol layerC、the data link layerD、the access layerE、the network layerF、the application layer

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第2题

While troubleshooting a video problem on an application server, the system administrator has determined that the video firmware should be updated. Which of the following sources should be used to locate an appropriate update for this hardware?（）A、Third-party manufacturerB、Video chipset manufacturerC、Server manufacturerD、Operating system manufacturerE、Shareware file sharing site

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第3题

You are the network administrator for Company.You need to connect to Company’s network from your Windows 2000 Professional computer at home.You have a DSL line that is used for Internet connectivity. You create an L2TP virtual private network（VPN） connection and are able to connect successfully to Company’s network. While connected toCompany’s network， you are unable to access the Internet.You want to be able to access the Internet while connected to Company’s network.How should you configure the connection properties？（）A、Configure the DSL connection to use PPTP instead of L2TP. B、Enable Internet Connection Sharing for the DSL connection properties. C、CLEAR THE Use default gateway on remote network check box. D、Clear the Require data encryption check box.

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第4题

单选题While troubleshooting a connectivity problem, a network administrator notices that a port status LED on a Cisco Catalyst series switch is alternating green and amber. Which condition could this indicate?（）A The port is experiencing errors.B The port is administratively disabled.C The port is blocked by spanning tree.D The port has an active link with normal traffic activity.

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第5题

单选题A new building has been added to the enterprise campus network， providing client access for desktop PCs， laptops， and IP phones for employees and guests. During verification， only a few laptops using wireless are reported to have problems， while other desktops， IP phones， and most other wireless laptops are fully operational. Additional information received about the problem indicates that， while the problematic wireless laptops cannot reach internal corporate websites， they can reach the Internet. Where should troubleshooting about this connectivity issue be focused？（）A client network configurationB VLAN mappingC routing protocolsD first-hop redundancy protocol

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第6题

多选题Safe Mode is an essential Startup tool for troubleshooting Windows 98. Which two methods cause the system to start up in Safe Mode？（）Astart the system in DOS Mode and run the WIN /S commandBpress the key while restarting system - select Safe ModeCstart the system in DOS Mode and run the safe.EXE fileDhold key while restarting the system； select Safe Mode

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第7题

单选题While troubleshooting a network outage, you discover that an employee brought a switch from home into the office to connect additional equipment to the network. In order to increase his speed, he connected this switch to both network ports in his office, resulting in a bridge loop. Which of these can you implement to prevent future occurrences of this issue?（）A RSTPB root guardC BPDU guardD GLBP

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While troubleshooting a connect

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