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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 spanning
B
VLAN concentrator
C
Firewall
D
Router
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A technician who separated two departments using VLANs now discovers that the VLANs cannotcommunicate 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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What are two benefits of using VTP in a switching environment?（）A、It allows switches to read frame tags.B、It allows ports to be assigned to VLANs automatically.C、It maintains VLAN consistency across a switched network.D、It allows frames from multiple VLANs to use a single interface.E、It allows VLAN information to be automatically propagated throughout the switching environment.
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Which two statements are true about voice VLANs？（）A、Voice VLANs are only used when connecting an IP phone and a host to distinct switch portsB、Access ports that are configured with voice VLANs will always trust the CoS that is received from IP phonesC、Access ports that are configured with voice VLANs may or may not override the CoS value that is received from an IP phoneD、Voice VLANs are configured using the switchport voice vlan vlan-ID interface configuration commandE、Voice VLANs provide a trunking interface between an IP phone and an access port on a switch to allow traffic from multiple devices that are connected to the portF、Enabling Voice VLAN on a switch port will automatically configure the port to trust the incoming CoS markings
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You have a trunk link operating between two switches and you’re experiencing problems withframes leaking between the two VLANs. Each switch has identical modules， software revisionsand VLAN configuration information. Spanning tree protocol is disabled on all VLANs. What isprobably causing this problem？（）A、The link is using IEEE 802.1Q protocolB、The link is using IEEE 802.1E protocolC、Spanning tree is disabledD、Not enough information to determineE、The native VLAN information is identical at each end of the linkF、The native VLAN information is different at each end of the link
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A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How canyou accomplish this task，using the fewest physical interfaces and withoutdecreasing networkperformance？（）A、Add two more FastEthernet interfaces.B、Add a second router to handle the vlan traffic.C、Use a hub to connect the four vlans with a FastEthernet interface on router.D、Implement a router-on-a-stick configuration.
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What must an administrator do in order to successfully configure a VLAN trunk between two switches?（）A、Set each end of the trunk line to IEEE 802.1Q encapsulation.B、Set the same VTP management domain name on both switches.C、Set all ports on the two switched as access ports.D、Configure one of the two switches as a VTP server.E、Connect the two switches using a rollover cable.F、Use a router to forward VTP traffic between the VLANs.
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A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How can you accomplish this task,using the fewest physical interfaces and without decreasing network performance?（）A、Add two more FastEthernet interfaces.B、Add a second router to handle the vlan traffic.C、Use a hub to connect the four vlans with a FastEthernet interface on router.D、Implement a router-on-a-stick configuration.
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Which two statements about the use of VLANs to segment a network are true? （）A、VLANs increase the size of collision domains.B、VLANs allow logical grouping of users by function.C、VLANs simplify switch administration.D、VLANs enhance network security.
考题
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
单选题船上的船员属于三个部门：甲板部、轮机部和事务部。（）A
Seamen on board the ship are in two departments: Deck Department, Engine Department.B
Seaman on board the ship are in two department: Deck Department, Engine Department and Service Department.C
The Deck Department and the Engine Department are the two departments.D
Seamen on board the ship are in three departments: the Deck Department, the Engine Department and the Service Department.
考题
单选题A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How canyou accomplish this task，using the fewest physical interfaces and withoutdecreasing networkperformance？（）A
Add two more FastEthernet interfaces.B
Add a second router to handle the vlan traffic.C
Use a hub to connect the four vlans with a FastEthernet interface on router.D
Implement a router-on-a-stick configuration.
考题
多选题What must an administrator do in order to successfully configure a VLAN trunk between two switches?（）ASet each end of the trunk line to IEEE 802.1Q encapsulation.BSet the same VTP management domain name on both switches.CSet all ports on the two switched as access ports.DConfigure one of the two switches as a VTP server.EConnect the two switches using a rollover cable.FUse a router to forward VTP traffic between the VLANs.
考题
单选题A customer opened a ticket with the help desk two days ago to report that their computer ismaking a strange loud noise. Which of the following should the technician do FIRST after arriving at the site?（）A
Ask another technician who has worked with this computer previously to learn about any other prior issues.B
Ask the customer open-ended questions to attempt to narrow down the issue, then repeat the issue to the customer for validation.C
Ask the customer close-ended questions to attempt to narrow down the issue while not using technical jargon to avoid overwhelming the customer.D
Run preliminary diagnostic tests to narrow down the issue and update the status of the trouble ticket then ask the customer about any changes they have made to the computer.
考题
多选题In which two locations in an enterprise network can an IPS sensor be placed?（）Abridging VLANs on two switchesBbridging two VLANs on one switchCbetween two Layer 2 devices withtrunkingDbetween two Layer 2 devices withouttrunkingEbetween a Layer 2 device and a Layer 3 device withtrunking
考题
多选题In which two locations in an enterprise network can an IPS sensor be placed？（）Abridging VLANs on two switchesBbridging two VLANs on one switchCbetween two Layer 2 devices with trunkingDbetween two Layer 2 devices without trunkingEbetween a Layer 2 device and a Layer 3 device with trunking
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
单选题A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How can you accomplish this task,using the fewest physical interfaces and without decreasing network performance?（）A
Add two more FastEthernet interfaces.B
Add a second router to handle the vlan traffic.C
Use a hub to connect the four vlans with a FastEthernet interface on router.D
Implement a router-on-a-stick configuration.
考题
多选题Which two statements are true about voice VLANs？（）AVoice VLANs are only used when connecting an IP phone and a host to distinct switch portsBAccess ports that are configured with voice VLANs will always trust the CoS that is received from IP phonesCAccess ports that are configured with voice VLANs may or may not override the CoS value that is received from an IP phoneDVoice VLANs are configured using the switchport voice vlan vlan-ID interface configuration commandEVoice VLANs provide a trunking interface between an IP phone and an access port on a switch to allow traffic from multiple devices that are connected to the portFEnabling Voice VLAN on a switch port will automatically configure the port to trust the incoming CoS markings
考题
多选题What are two benefits of using VTP in a switching environment?（）AIt allows switches to read frame tags.BIt allows ports to be assigned to VLANs automatically.CIt maintains VLAN consistency across a switched network.DIt allows frames from multiple VLANs to use a single interface.EIt allows VLAN information to be automatically propagated throughout the switching environment.
考题
多选题You have a trunk link operating between two switches and you’re experiencing problems withframes leaking between the two VLANs. Each switch has identical modules， software revisionsand VLAN configuration information. Spanning tree protocol is disabled on all VLANs. What isprobably causing this problem？（）AThe link is using IEEE 802.1Q protocolBThe link is using IEEE 802.1E protocolCSpanning tree is disabledDNot enough information to determineEThe native VLAN information is identical at each end of the linkFThe native VLAN information is different at each end of the link
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