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As an experienced network engineer, you are asked to troubleshoot a CIS network outage. During the troubleshooting process, you notice that one of your colleagues connects additional devices to the network with the use of his own switch. With the purpose of improving speed, the switch is attached to both network ports in an office, which leads to bridge loop.Enabling which of the following feature will be able to prevent this problem from happening again?（）
A.GLBP
B.RSTP
C.BPDU guard
D.root guard
参考答案
更多 “As an experienced network engineer, you are asked to troubleshoot a CIS network outage. During the troubleshooting process, you notice that one of your colleagues connects additional devices to the network with the use of his own switch. With the purpose of improving speed, the switch is attached to both network ports in an office, which leads to bridge loop.Enabling which of the following feature will be able to prevent this problem from happening again?（）A.GLBPB.RSTPC.BPDU guardD.root guard” 相关考题
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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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单选题You are the network administrator of a small Layer 2 network with 50 users. Lately， users have beencomplaining that the network is very slow. While troubleshooting， you notice that the CAM table of yourswitch is full， although it supports up to 12， 000 MAC addresses. How can you solve this issue and preventit from happening in the future？（）A
Upgrade the switchesB
Configure BPDU guardC
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多选题As a network engineer， you responsibility is to install， configure， operate， and troubleshoot networks. In your company’s network， EIGRP is the routing protocol. You have just discovered that two routers restarted the neighbor relationship.Why？ （）AAn update packet with init flag set from a known， already established neighbor relationship was received by one of the routers.BThe counters were deleted.CThe ARP cache was removed.DThe IP EIGRP neighbor relationship was cleared manually.
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单选题You deployed new fibers in your network to replace copper spans that were too long. While reconnecting the network，you experienced network problems because you reconnected wrong fibers to wrong ports. What could you do to prevent this type of problem in the future，particularly when connecting and reconnecting fiber pairs？（）A
Only use fiber in pairs.B
Configure root guard on your switches.C
Do not use fiber but use copper.D
Configure UDLD to prevent one-way link conditions.
考题
单选题As an experienced network administrator, you are asked to troubleshoot a QoS problem. In which way might the Cisco NetFlow be helpful during the troubleshooting process?（）A
NetFlow can discover the protocols in use and automatically adjust QoS traffic classes to meet policy-map requirements.B
NetFlow records can be used to understand traffic profiles per class of service for data, voice, and video traffic.C
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单选题You are the network administrator of a small Layer 2 network with 50 users. Lately， users have been complaining that the network is very slow. While troubleshooting， you notice that the CAM table of your switch is full， although it supports up to 12，000 MAC addresses. How can you solve this issue and prevent it from happening in the future？（）A
Upgrade the switchesB
Configure BPDU guardC
Configure VLAN access listsD
Configure port securityE
Configure Dynamic ARP inspection
考题
多选题As an experienced technician, you are responsible for Technical Support in your company. You ask one of the trainees to document the layers of an existing CIS network. Which three statements best characterize this process? （）(Choose three.)AIt provides reliable input for verifying network consistency.BIt requires a network audit to support some upgrade decisions.CIt requires a network audit to support any network restructuring.DIt begins with gathering organizational input that may be inaccurate.
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