What dose a Layer 2 switch use to decide where to forward a received frame?（）A、source MAC addressB、source IP addressC、source switch portD、destination IP addressE、destination port addressF、destination MAC address
What dose a Layer 2 switch use to decide where to forward a received frame?（）
- A、source MAC address
- B、source IP address
- C、source switch port
- D、destination IP address
- E、destination port address
- F、destination MAC address
相关考题：
What does a Layer 2 switch use to decide where to forward a received frame?() A. source MAC addressB. source IP addressC. source switch portD. destination IP addressE. destination port addressF. destination MAC address
Which two statements correctly describe a situation in which an Active／Standby Service Module design is being used?() A. Troubleshooting is more complicated.B. Service and switch modules are underutilized.C. Layer 2 adjacency is required with the servers that use this design.D. Layer 3 adjacency is required with the servers that use this design.E. Load balancing will always occur across both access layer uplinks.
Which of these recommended designs provides the highest availability?() A. map the Layer 2 VLAN number to the Layer 3 subnetB. control route propagation to edge switches using distribute listsC. use a Layer 2 distribution interconnection link with HSRP or GLBPD. use a Layer 3 distribution interconnection link with HSRP or GLBPE. use equal-cost Layer 3 load balancing on all links to limit the scope of queries in EIGRP
Which two of these are correct regarding the recommended practice for distribution layer design based on the following configuration?() A. use a Layer 2 link between distribution switchesB. use a Layer 3 link between distribution switchesC. use a redundant link to the coreD. use a Layer 3 link between distribution switches with route summarization
What dose a Layer 2 switch use to decide where to forward a received frame?() A.source MAC addressB.source IP addressC.source switch portD.destination IP addressE.destination port addressF.destination MAC address
Which of these recommended designs provides the highest availability?（）A、map the Layer 2 VLAN number to the Layer 3 subnetB、control route propagation to edge switches using distribute listsC、use a Layer 2 distribution interconnection link with HSRP or GLBPD、use a Layer 3 distribution interconnection link with HSRP or GLBPE、use equal-cost Layer 3 load balancing on all links to limit the scope of queries in EIGRP
Assuming that an IP packet is sent from a source address in VLAN1 to a destination address in VLAN2 through a layer-3 switch, which part of the packet will be changed?（）A、Layer 2 TTLB、Layer 3 TTLC、Layer 3 source addressD、Layer 3 destination address
Which two of the following statements describe a routed switch port on a multilayer switch？（）A、Layer 2 switching and Layer 3 routing are mutually supported.B、The port will not be associated with any VLAN.C、The routed switch port supports VLAN subinterfaces.D、The routed switch port is used when a switch has only one port per VLAN or subnet.E、The routed switch port ensures that STP remains in the forwarding state.
You need make configuration changes to an existing layer 3 switch in the Company network. On a multilayer Catalyst switch， which interface command is used to convert a Layer 3 interface to a Layer 2 interface？（）A、 switchport access vlan vlan-idB、 switchportC、 switchport mode accessD、 no switchportE、 None of the other alternatives apply
Why will a switch never learn a broadcast address?（）A、Broadcasts only use network layer addressing.B、A broadcast frame is never forwarded by a switch.C、A broadcast address will never be the source address of a frame.D、Broadcast addresses use an incorrect format for the switching table.E、Broadcast frames are never sent to switches.
What does a Layer 2 switch use to decide where to forward a received frame?（）A、source MAC addressB、source IP addressC、source switch portD、destination IP addressE、destination port addressF、destination MAC address
What are the switch and bridge port characteristics of a layer two spanning-tree network that is fully converged?（）A、All switch and bridge ports are in the forwarding state.B、All switch and bridge ports are in the stand-by state.C、All switch and bridge ports are assigned as either root or designated ports.D、All switch and bridge ports are in either the forwarding or blocking state.E、All switch and bridge are either blocking or looping.
What is the function of the no switchport catalyst switch interface configuration command?（）A、Disables the interfaces to prevent traffic flowB、Clears all the configurations on the interfaceC、Switches the port from access mode to trunk modeD、Converts the port from physical Layer 2 port to physical Layer 3 port
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
Which two statements correctly describe a situation in which an Active/Standby Service Module design is being used?（）A、Troubleshooting is more complicated.B、Service and switch modules are underutilized.C、Layer 2 adjacency is required with the servers that use this design.D、Layer 3 adjacency is required with the servers that use this design.E、Load balancing will always occur across both access layer uplinks.
When is a first-hop redundancy protocol needed in the distribution layer?（）A、when HSRP is not supported by the designB、when multiple vendor devices need to be supportedC、when preempt tuning of the default gateway is neededD、when a robust method of backing up the default gateway is neededE、when the design implements Layer 2 between the access switch and the distribution switchF、when the design implements Layer 3 between the access switch and the distribution switch
单选题When is a first-hop redundancy protocol needed in the distribution layer?（）Awhen HSRP is not supported by the designBwhen multiple vendor devices need to be supportedCwhen preempt tuning of the default gateway is neededDwhen a robust method of backing up the default gateway is neededEwhen the design implements Layer 2 between the access switch and the distribution switchFwhen the design implements Layer 3 between the access switch and the distribution switch
单选题What benefit results from implementation of Layer 3 switching versus Layer 2 switching in a fully meshed campus network？（）Aease of IP address assignment versus use of external routersBredundancy from trunking between distribution layer switchesCprovides first-hop redundancy to clientsDallows inter-VLAN communication without requiring complexity of routing protocols
单选题What does a Layer 2 switch use to decide where to forward a received frame?（）Asource MAC addressBsource IP addressCsource switch portDdestination IP addressEdestination port addressFdestination MAC address
多选题For what two purposes does the Ethernet protocol use physical addresses？（）Ato uniquely identify devices at Layer 2Bto allow communication with devices on a different networkCto differentiate a Layer 2 frame from a Layer 3 packetDto establish a priority system to determine which device gets to transmit firstEto allow communication between different devices on the same networkFto allow detection of a remote device when its physical address is unknown
多选题A customer has purchased a third-party switch to use for Layer 2 access with their Junos Pulse Access Controe Service. When configuring the switch on the Junos Pulse Access Control Service, the customer does not find a make/model entry for it . Which two actions should the customer take to make the switch work with the Junos Pulse Access Control Service?（）AAdd the switch to the Junos Pulse Access Control Service as a standard RADIUS.BAdd the switch to the Junos Pulse Access Control Service using the Any make/model.CAdd the switch as a firewall enforcer.DObtain and configure the RADIUS dictionary for the switch and use that vendor listing for the make/model.
单选题Which of these recommended designs provides the highest availability？（）A map the Layer 2 VLAN number to the Layer 3 subnetB control route propagation to edge switches using distribute listsC use a Layer 2 distribution interconnection link with HSRP or GLBPD use a Layer 3 distribution interconnection link with HSRP or GLBPE use equal-cost Layer 3 load balancing on all links to limit the scope of queries in EIGRP
单选题What dose a Layer 2 switch use to decide where to forward a received frame?（）Asource MAC addressBsource IP addressCsource switch portDdestination IP addressEdestination port addressFdestination MAC address
单选题At which layer of the OSI model dose PPP perform?（）ALayer 3BLayer 4CLayer 2DLayer 5