考题
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
考题
While troubleshooting a network connectivity problem, a Ezonexam 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 7-layer OSI model does the problem most likely exist?A. The data link layerB. The application layerC. The protocol layerD. The access layerE. The session layerF. The network layerG. None of the above
考题
The network technician is troubleshooting a network issue by implementing a new security device.After installing and configuring the device, which of the following steps should the technician takeNEXT?()A. Verity full system functionalityB. Identify the main problem and question the userC. Document their findings, actions, and outcomesD. Escalate the issue to upper management
考题
A technician is troubleshooting a network connectivity issue. Given the following abbreviated traceroute output:Which of the following is MOST likely occurring?()
A. Switching loopB. Broadcast stormC. IP conflictD. Routing loop
考题
A technician is troubleshooting a network connectivity issue with a user‘s desktop configured touse a static IP address. The technician notes the following configuration:Which of the following changes will allow the desktop to communicate properly with remote networks?()A. Changing the DNS to 172.16.1.100B. Changing the WINS server to 172.174.136C. Changing the netmask to 255.255.255.0D. Changing the default gateway to 172.16.3.1
考题
A Ezonexam technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the show cdp neighbors command.In which OSI layer is the problem most likely occurring?A.PhysicalB.Data linkC.Network layerD.Transport layerE.Application layer
考题
A TestKing.com technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the show cdp neighbors command.In which OSI layer is the problem most likely occurring?()A. PhysicalB. Data linkC. Network layerD. Transport layerE. Application layer
考题
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
考题
A technician is troubleshooting a network connectivity issue on a MFD and would like to eliminate the possibility of another device on the network having the same IP address. The technician should:()A、disconnect the MFD and ping the IP address.B、disconnect the MFD and ping the subnet mask.C、disconnect the MFD and ping the loopback address.D、run the ipconfig command from the command prompt.
考题
A TestKing.com technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the show cdp neighbors command. In which OSI layer is the problem most likely occurring?()A、PhysicalB、Data linkC、Network layerD、Transport layerE、Application layer
考题
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.
考题
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 errorsB、The port is administratively disabledC、The port is blocked by spanning treeD、The port has an active link with normal traffic activity
考题
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
考题
The network technician is troubleshooting a network issue by implementing a new security device.After installing and configuring the device, which of the following steps should the technician takeNEXT?()A、Verity full system functionalityB、Identify the main problem and question the userC、Document their findings, actions, and outcomesD、Escalate the issue to upper management
考题
A technician is troubleshooting a host connectivity problem. The host is unable to ping a server connected to Switch_A. Based on the results of the testing, what could be the problem()。A、A remote physical layer problem exists.B、The host NIC is not functioning.C、TCP/IP has not been correctly installed on the host.D、A local physical layer problem exists.
考题
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
考题
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
考题
A technician is troubleshooting a lack of Internet connectivity affecting their entire office. The technician suspects the issue is with their Internet Service Provider failing to provide service.Which of the following command line tools should the technician use to BEST test this theory?()A、tracertB、ipconfigC、netstatD、nslookup
考题
单选题While troubleshooting a network connectivity issue, you suspect that a router may be missing a route, or may be receiving bad routing information to a destination. What command should you issue to view the route that the router will use to reach a given destination?()A
pingB
traceC
show ip routeD
show interfaceE
show cdp neighbors
考题
单选题A TestKing.com technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the show cdp neighbors command. In which OSI layer is the problem most likely occurring?()A
PhysicalB
Data linkC
Network layerD
Transport layerE
Application layer
考题
单选题A technician is troubleshooting a host connectivity problem. The host is unable to ping a server connected to Switch_A. Based on the results of the testing, what could be the problem()。A
A remote physical layer problem exists.B
The host NIC is not functioning.C
TCP/IP has not been correctly installed on the host.D
A local physical layer problem exists.
考题
单选题Which of the following should a technician do FIRST to troubleshoot a users network connectivity problem?()A
Run TRACERT from the users workstation.B
Start with the Last Known Good Configuration and reboot the computer.C
Replace the network interface card (NIC).D
PING the users workstation.
考题
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.
考题
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
考题
单选题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
考题
单选题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
考题
多选题While troubleshooting some connectivity issues, you issue the "show ip ospf database" in order toexamine the link state database. Which three of the statements below are true regarding theOSPF link state database?()AEach router has an identical link state databaseBExternal routes are imported into a separate link state databaseCSynchronization of link state databases is maintained via flooding of LSAsDInformation in the link state database is used to build a routing table by calculating a shortest-path treeEBy default, link state databases are refreshed every 10 minutes in the absence of topologychanges
考题
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 errorsB
The port is administratively disabledC
The port is blocked by spanning treeD
The port has an active link with normal traffic activity