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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、RSTP
- B、root guard
- C、BPDU guard
- D、GLBP
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更多 “ 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” 相关考题
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When troubleshooting an 802.11g network. Which of the following can interfere with the network?()
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When troubleshooting an 802.11g network. Which of the following can interfere with the network?（）A、2.4 GHz cordless phoneB、900 MHz cordless phoneC、Bluetooth headsetD、Bluetooth printer
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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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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
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考题
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
考题
单选题When troubleshooting an 802.11g network. Which of the following can interfere with the network?（）A
2.4 GHz cordless phoneB
900 MHz cordless phoneC
Bluetooth headsetD
Bluetooth printer
考题
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
Configure VLAN access listsD
Configure port securityE
Configure Dynamic ARP inspection
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多选题Which three SONET network elements are used for troubleshooting?（）AlineBpathCcircuitDsectionEsegment
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
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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
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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
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