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 installedB、Local physical layer problemC、NIC not functioningD、Remote physical layer problem
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
相关考题：
View the Exhibit to examine the replay settings for replay parameters.What is the implication for setting the values for replay parameters?() A. The COMMIT order in the captured workload is preserved during replay.B. The value 100 in the THINK_TIME_SCALE parameter attempts to make the replay client shorten the think time between calls.C. The value 100 in the CONNECT_TIME_SCALE parameter attempts to connect all sessions as captured.D. The value 100 in the THINK_TIME_SCALE parameter attempts to match the captured user think time while replaying.E. The value 100 in the CONNECT_TIME_SCALE parameter attempts to connect all sessions immediately as soon as the replay begins.
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
While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）A、Router#copy tftp flashB、Router(config)#restore flashC、Router(config)#repair flashD、Router#copy flash runE、Routercopy start flashF、Router#copy start flash
An administrator is troubleshooting a communication issue between two computers on the same Layer 2 switch. Which of the following is the BEST way to determine if the switch is causing the issue?（）A、Setup an ACL that allows and logs all IP traffic between the two computersB、Configure a spanning tree to check for a loopC、Setup a span port on the switch to watch for CRC errorsD、Connect both computers using a crossover cable
While troubleshooting a network， you need to verify the liveness of hosts in the subnet 192.168.1.64/26. All of the hosts are able to reply to ping requests. How would you confirm the existing nodes using one single command？（）A、ping 192.168.1.255B、ping with sweep optionC、ping 192.168.1.127D、ping 192.168.1.64E、ping with broadcast option
While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request times out."At which OSI layer is this problem associated with?（）A、The data link layerB、The application layerC、The access layerD、The session layerE、The network layer
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
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
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.
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?（）AThe port is experiencing errors.BThe port is administratively disabled.CThe port is blocked by spanning tree.DThe port has an active link with normal traffic activity.
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？（）Aclient network configurationBVLAN mappingCrouting protocolsDfirst-hop redundancy protocol
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
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?（）ARSTPBroot guardCBPDU guardDGLBP
多选题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?（）AThird-party manufacturerBVideo chipset manufacturerCServer manufacturerDOperating system manufacturerEShareware file sharing site
单选题You are a systems administrator troubleshooting a problem with accessing a Web server running WindowsServer 2008. Previously， another administrator created and installed a server certificate on the computer.Users report that they are able to connect to the site using HTTP but that they receive a warning in InternetExplorer when trying to connect by HTTPS. You want to enable users to connect using both HTTP andHTTPS. You attempt to access the site by using an instance of Internet Explorer on the server itself， andyou receive the same warning message for HTTPS connections. How can you resolve this issue？（）AChange the site binding for the Web site to enable connections on port 443.BChange the SSL settings for the Web site to enable the Require SSL option.CObtain and install an Internet Certificate on the Web server.DExport and re import the existing security certificate.
单选题Which naming method uses the tnsnames.ora file to store the connect descriptor used by the client while connecting to the database instance from a remote machine？（）Ahost naming methodBlocal naming methodCexternal naming methodDdirectory naming method
单选题While troubleshooting a refrigeration system for low head pressure, liquid refrigerant flooding back from the evaporator is determined to be the causeIt may be necessary to （）.Achange the expansion valve adjustmentBreadjust the water regulating valve to increase the flow of waterCpurge air from the condenserDclean the waterside of the condenser
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（）。AThe port is experiencing errorsBThe port is administratively disabledCThe port is blocked by spanning treeDThe port has an active link with normal traffic activity
多选题While troubleshooting a routing problem on the company EIGRP network you discover that one ofthe routers is failing to establish adjacencies with its neighbor. What is a likely cause of thisproblem between neighbors？（）AThe K-values do not matchBThe hold times do not matchCThe hello times do not matchDThe AS numbers do not match
单选题A remote user cannot connect to the office via VPN. The user has established Internet connectivity. Which of the following is the MOST likely next step in troubleshooting?（）APower cycle the VPN concentrator at the office.BDetermine if the VPN service is running at the office.CReinstall the VPN client at the remote computer.DDetermine if the user has the correct VPN address and password.