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单选题
A technician needs to troubleshoot connectivity between two devices located on the same network. Which of the following BEST describes the type of protocol being used?（）
A
IGP
B
EIGRP
C
EGP
D
BGP
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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
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The relevant configuration files for the TestKing1 and TestKing2 routers are displayed below:With due consideration to the command outputs, which of the following reasons would you attribute the connectivity problem between the two routers?（）A. The authentication needs to be changed to PAP for both routers.B. The serial IP addresses of routers are not on the same subnet.C. The username/password combination is incorrectly configured.D. The router names are incorrectly configured.
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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
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The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?()
A.Authentication needs to be changed to PAP for both routers.B.Serial IP addresses of routers are not on the same subnet.C.Username/password is incorrectly configured.D.Router names are incorrectly configured.
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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
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What command verifies connectivity between two hosts by sending and receiving ICMP echo messages?（）A、pingB、tracertC、netstatD、show cdp neighbors detailE、show ip routeF、traceroute
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Which two statements about FCIP and iSCSI are correct？（）A、 The FCIP stack supports file-level storage for remote devices.B、 Both require high throughput with low latency and low jitter.C、 The purpose of FCIP is to provide connectivity between host and storage.D、 The iSCSI stack supports block-level storage for remote devices.E、 The purpose of iSCSI is to provide connectivity between separate wide-area SANs.
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Which of the following are the BEST tools to test connectivity between two hosts？（）A、netstatB、nslookupC、ipconfigD、tracerouteE、pathping
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Layer 3 （the network layer） provides connectivity and path selection between two host systems that may be located on geographically separated networks. Which two devices operate at the network layer？（）A、 applicationB、 hubC、 switchD、 bridgeE、 router
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What are two reasons a network administrator would use CDP (Choose two.)（）。A、to verify the type of cable interconnecting two devicesB、to determine the status of network services on a remote deviceC、to obtain VLAN information from directly connected switchesD、to verify Layer 2 connectivity between two devices when Layer 3 failsE、to obtain the IP address of a connected device in order to telnet to the deviceF、to determine the status of the routing protocols between directly connected routers
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What are two reasons a network administrator would use CDP?（）A、to verify the type of cable interconnecting two devicesB、to determine the status of network services on a remote deviceC、to obtain VLAN information from directly connected switchesD、to verify Layer 2 connectivity between two devices when Layer 3 failsE、to obtain the IP address of a connected device in order to telnet to the deviceF、to determine the status of the routing protocols between directly connected routers
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A technician who separated two departments using VLANs now discovers that the VLANs cannot communicate with each other. Which of the following does the technician need to enable communication between the VLANs?（）A、Port spanningB、VLAN concentratorC、FirewallD、Router
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A workstation no longer has network connectivity. Upon visual inspection, all connectors andsettings seem to be properly configured. Which of the following tools should the technician use to troubleshoot this issue? （）A、PSU testerB、Loopback plugC、Cable testerD、Multimeter
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Which of the following commands verifies connectivity between two hosts?（）A、chkntfsB、dxdiagC、tracertD、ipconfigE、ping
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Which of the following commands would MOST likely be used to see where a loss of connectivity between two devices on a network is located?（）A、tracertB、netstatC、nslookupD、ping
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A technician needs to troubleshoot connectivity between two devices located on the same network. Which of the following BEST describes the type of protocol being used?（）A、IGPB、EIGRPC、EGPD、BGP
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The user cannot access some Internet websites, but can connect to resources inside the local network. The technician successfully uses the ping command to test the user’s connectivity. Which of the following commands can the technician run NEXT to troubleshoot the issue?（）A、net /?B、ipconfig /flushdnsC、netstat -rD、nbtstat -R
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多选题You are attempting to troubleshoot some problems within your local network.Which of the following are router IOS commands that can be used to troubleshoot LAN connectivity problems?（）ApingBtracertCipconfigDshow ip routeEwinipcfgFshow interfacesGAll of the above
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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Layer 3 （the network layer） provides connectivity and path selection between two host systems that may be located on geographically separated networks. Which two devices operate at the network layer？（）A
applicationB
hubC
switchD
bridgeE
router
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多选题What are two reasons a network administrator would use CDP? （）Ato verify the type of cable interconnecting two devicesBto determine the status of network services on a remote deviceCto obtain VLAN information from directly connected switchesDto verify Layer 2 connectivity between two devices when Layer 3 failsEto obtain the IP address of a connected device in order to telnet to the deviceFto determine the status of the routing protocols between directly connected routers
考题
单选题What command verifies connectivity between two hosts by sending and receiving ICMP echo messages?（）A
pingB
tracertC
netstatD
show cdp neighbors detailE
show ip routeF
traceroute
考题
多选题Which of the following commands verifies connectivity between two hosts?（）AchkntfsBdxdiagCtracertDipconfigEping
考题
单选题A technician who separated two departments using VLANs now discovers that the VLANs cannot communicate with each other. Which of the following does the technician need to enable communication between the VLANs?（）A
Port spanningB
VLAN concentratorC
FirewallD
Router
考题
多选题What are two reasons a network administrator would use CDP (Choose two.)（）。Ato verify the type of cable interconnecting two devicesBto determine the status of network services on a remote deviceCto obtain VLAN information from directly connected switchesDto verify Layer 2 connectivity between two devices when Layer 3 failsEto obtain the IP address of a connected device in order to telnet to the deviceFto determine the status of the routing protocols between directly connected routers
考题
单选题The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?（）A
Authentication needs to be changed to PAP for both routers.B
Serial IP addresses of routers are not on the same subnet.C
Username/password is incorrectly configured.D
Router names are incorrectly configured.
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