What are two advantages of Layer 2 Ethernet switches over hubs?() A. decreasing the number of collision domainsB. filtering frames based on MAC addressesC. allowing simultaneous frame transmissionsD. increasing the size of broadcast domainsE. increasing the maximum length of UTP cabling between devices
What are two advantages of Layer 2 Ethernet switches over hubs?()
A. decreasing the number of collision domains
B. filtering frames based on MAC addresses
C. allowing simultaneous frame transmissions
D. increasing the size of broadcast domains
E. increasing the maximum length of UTP cabling between devices
相关考题：
Which two statements accurately describe a broadcast domain?() A. Broadcast domains require that the participating devices connect to common switches or hubs.B. Broadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast address.C. Broadcast domains require a gateway device such as a router.D. Broadcast domains consist of devices that reside on the same VLAN.
What are the two stages of PPP over Ethernet?() A.PPP Session stageB.PPPoE Search StageC.PPPoE Discovery StageD.PPP Confirmation stage
A metro Ethernet user is connected using a PPP over Ethernet service.How many Layer 2 headers are attached to each IP datagram?() A.1B.2C.3D.4
What are two way sthat IP datagrams are passed from the ingress line module to the egress line module?() A.over an ATM PVCB.over a FastEthernet busC.overa Gigabit Ethernet busD.over high speed serial bus
To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus?() A. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 linkB. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 linkC. to two core switches from redundant distribution switches connected with a Layer 2 linkD. to two core switches from redundant distribution switches connected with a Layer 3 linkE. to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO
What are some of the advantages of using a router to segment the network (Choose two.)()。 A.Filtering can occur based on Layer 3 information.B.Broadcasts are eliminated.C.Routers generally cost less than switches.D.Broadcasts are not forwarded across the router.E.Adding a router to the network decreases latency.
Which of the following statements are true for routers but not true for Layer 3 Ethernet switches？（Choose all that apply.）（）A、May have Ethernet as well as non-Ethernet interfacesB、Traditionally used as a standalone device for inter-VLAN communicationC、Makes use of TCAMsD、Uses subinterfaces to define trunksE、Can use both Layer 2 and Layer 3 to make forwarding decisionsF、Allows the definition of Switched Virtual Interfaces（SVI）
To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus？（）A、 to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 linkB、 to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 linkC、 to two core switches from redundant distribution switches connected with Layer 2 linkD、 to two core switches from redundant distribution switches connected with Layer 3 linkE、 to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO
Which one of the following characteristics is true regarding the use of hubs and switches?（）A、Hubs can have their ports be configured with VLANsB、Using hubs is costly with regard to bandwidth availability.C、Switches can not forward broadcasts.D、Switches are more efficient than hubs in processing frames.E、Switches increase the number of collision domains in the network.
FabricPath brings the benefits of routing protocols to layer 2 network Ethernet environments. What are the advantages of using FabricPath technology？ （） A、 FabricPath provides MAC address scalability with conversational learningB、 Loop mitigation with TTL in the frame fieldC、 STPl independenceD、 10 Gbps bandwidthE、 Layer 2 extensions between data centers
What are two way sthat IP datagrams are passed from the ingress line module to the egress line module?（）A、over an ATM PVCB、over a FastEthernet busC、overa Gigabit Ethernet busD、over high speed serial bus
A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）A、Two switch ports will be needed on a switch,two Ethernet cables will be needed for theserver each connecting to two different Ethernet cards,and one IP address will be neededB、Two switch ports will be needed on two different switches two Ethernet cables will beneeded for the server each connecting to two different Ethernet cards,and one IP address will be neededC、Two switch ports will be needed on two different switches,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,two different IP addresses will be neededD、One switch port will be needed on one switch,a splitter will be needed to split the connection,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,and two different IP addresses will be needed
What are two advantages of Layer 2 Ethernet switches over hubs?（）A、decreasing the number of collision domainsB、filtering frames based on MAC addressesC、allowing simultaneous frame transmissionsD、increasing the size of broadcast domainsE、increasing the maximum length of UTP cabling between devices
What are some of the advantages of using a router to segment the network? (Choose two.)（）A、Filtering can occur based on Layer 3 information.B、Broadcasts are eliminated.C、Routers generally cost less than switches.D、Broadcasts are not forwarded across the router.E、Adding a router to the network decreases latency.
For what two purposes does the Ethernet protocol use physical addresses？（）A、to uniquely identify devices at Layer 2B、to allow communication with devices on a different networkC、to differentiate a Layer 2 frame from a Layer 3 packetD、to establish a priority system to determine which device gets to transmit firstE、to allow communication between different devices on the same networkF、to allow detection of a remote device when its physical address is unknown
What two features in Cisco switches help prevent Layer 2 loops？（）A、UniDirectional Link DetectionB、Hot Standby Router ProtocolC、Virtual Router Redundancy ProtocolD、PortFastE、root guardF、loop guard
A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）A、Two switch ports will be needed on a switch， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.B、Two switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.C、Two switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， two different IP addresses will be needed.D、One switch port will be needed on one switch， a splitter will be needed to split the connection， two ethernet cables will be needed for the server each connecting to two different Ethernet cards， and two different IP addresses will be needed.
多选题Which of the following statements are true for routers but not true for Layer 3 Ethernet switches？（Choose all that apply.）（）AMay have Ethernet as well as non-Ethernet interfacesBTraditionally used as a standalone device for inter-VLAN communicationCMakes use of TCAMsDUses subinterfaces to define trunksECan use both Layer 2 and Layer 3 to make forwarding decisionsFAllows the definition of Switched Virtual Interfaces（SVI）
单选题A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）ATwo switch ports will be needed on a switch,two Ethernet cables will be needed for theserver each connecting to two different Ethernet cards,and one IP address will be neededBTwo switch ports will be needed on two different switches two Ethernet cables will beneeded for the server each connecting to two different Ethernet cards,and one IP address will be neededCTwo switch ports will be needed on two different switches,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,two different IP addresses will be neededDOne switch port will be needed on one switch,a splitter will be needed to split the connection,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,and two different IP addresses will be needed
多选题What are some of the advantages of using a router to segment the network?（）AFiltering can occur based on Layer 3 information.BBroadcasts are eliminated.CRouters generally cost less than switches.DBroadcasts are not forwarded across the router.EAdding a router to the network decreases latency.
多选题FabricPath brings the benefits of routing protocols to layer 2 network Ethernet environments. What are the advantages of using FabricPath technology？ （）AFabricPath provides MAC address scalability with conversational learningBLoop mitigation with TTL in the frame fieldCSTPl independenceD10 Gbps bandwidthELayer 2 extensions between data centers
多选题What two features in Cisco switches help prevent Layer 2 loops？（）AUniDirectional Link DetectionBHot Standby Router ProtocolCVirtual Router Redundancy ProtocolDPortFastEroot guardFloop guard
多选题What are the two stages of PPP over Ethernet?（）APPP Session stageBPPPoE Search StageCPPPoE Discovery StageDPPP Confirmation stage
多选题What are two advantages of Layer 2 Ethernet switches over hubs？（）Adecreasing the number of collision domainsBfiltering frames based on MAC addressesCallowing simultaneous frame transmissionsDincreasing the size of broadcast domainsEincreasing the maximum length of UTP cabling between devices
单选题A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）ATwo switch ports will be needed on a switch， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.BTwo switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.CTwo switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， two different IP addresses will be needed.DOne switch port will be needed on one switch， a splitter will be needed to split the connection， two ethernet cables will be needed for the server each connecting to two different Ethernet cards， and two different IP addresses will be needed.
单选题To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus？（）A to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 linkB to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 linkC to two core switches from redundant distribution switches connected with Layer 2 linkD to two core switches from redundant distribution switches connected with Layer 3 linkE to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO
多选题Which two statements accurately describe a broadcast domain?（）ABroadcast domains require that the participating devices connect to common switches or hubs.BBroadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast address.CBroadcast domains require a gateway device such as a router.DBroadcast domains consist of devices that reside on the same VLAN.