What are three valid reasons to assign ports on VLANs on a switch?() A. to make VTP easier to implementB. to isolate broadcast trafficC. to increase the size of the collision domainD. to allow more devices to connect to the networkE. to logically group hosts according to functionF. to increase network security
What are three valid reasons to assign ports on VLANs on a switch?()
A. to make VTP easier to implement
B. to isolate broadcast traffic
C. to increase the size of the collision domain
D. to allow more devices to connect to the network
E. to logically group hosts according to function
F. to increase network security
相关考题：
The Ezonexam network Topology is displayed in the exhibit below:A switch has been configured for three different VLANs: VLAN 2, VLAN 3, and VLAN 4. For the purposes of communication between VLANs a router is to be added. Host from one VLAN should be able to reach the hosts in the other VLANs.Based on this requirement, what type of connection is acceptable between the router and switch?(Select all valid answers)A．10 Mbps EthernetB．56 kbps serialC．100 Mbps EthernetD．1,544 Mbps serialE．1000 Mbps Ethernet
What are three methods that may be use d to allow a switch to determine which ports to forward IP multicast messages to?() A. IGMPB. IGMP snoopingC. PIMD. CGMPE. static assignmentF. CDP
The TestKing network Topology is displayed in the exhibit belowA switch has been configured for three different VLANs: VLAN 2, VLAN 3, andVLAN 4. For the purposes of communication between VLANs a router is to beadded. Host from one VLAN should be able to reach the hosts in the other VLANs.Based on this requirement, what type of connection is acceptable between the routerand switch?（）A. 10 Mbps EthernetB. 56 kbps serialC. 100 Mbps EthernetD. 1,544 Mbps serialE. 1000 Mbps Ethernet
What is the purpose of the cisco Vlan Trunking protocol?() A. to provide a mechanism to dynamically assign vlan membership to switch portsB. to allow traffic to be carried from multiple vlans over a single link between switchesC. to allow native vlan information to be carried over a trunk linkD. to provide a mechanism to manually assign vlan membership to switch portsE. to allow for managing the additions,deletions,and changes of vlans between switchs
Which two statements about voice VLANs are correct？（）A、Voice VLANs eliminate the need for QoS configurationB、Voice VLANs are used on trunk links to eliminate the need for QoS CoS markingsC、Voice VLANs are mainly used to reduce the number of access switch ports that are used in the networkD、Voice VLANs can be configured to forward existing CoS priorities or override themE、Voice VLANs are mainly used between access layer switches and distribution layer switchesF、Voice VLANs can be configured on Layer 2 ports only
What are three methods that may be use d to allow a switch to determine which ports to forward IP multicast messages to?（）A、IGMPB、IGMP snoopingC、PIMD、CGMPE、static assignmentF、CDP
You are assigning VLANs to the ports of switch R1. What VLAN number value is an assigned tothe default VLAN？（）A、VLAN 1003B、VLAN 1C、VLAN OND、VLAN AE、VLAN 0
A switch that is to be added to the production network has been preconfigured （trunks， VLANs， VTP， and STP） and was tested in your lab. After installing the switch into the network， the entire network went down. What might explain what happened？ （）A、The new switch happened to be running Cisco Catalyst operating system， while the other network switches were running Cisco IOS Software.B、The configuration revision of the new switch was higher than the configuration revision of the production VTP domain.C、The link costs on the new switch are set to a high value， causing all ports on the new switch to go into a forwarding mode and none into blocking mode， thereby causing a spanning-tree loop.D、The ports connecting to the two switches have been configured incorrectly. One side has the command switchport mode access and the other switchport mode trunk.
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
The DAI feature has been implemented in the Company switched LAN. Which three statements are true about the dynamic ARP inspection （DAI） feature？ （）A、 DAI can be performed on ingress ports only.B、 DAI can be performed on both ingress and egress ports.C、 DAI is supported on access ports， trunk ports， EtherChannel ports， and private VLAN ports. D、 DAI should be enabled on the root switch for particular VLANs only in order to secure the ARP caches of hosts in the domain.E、 DAI should be configured on all access switch ports as untrusted and on all switch ports connected to other switches as trusted.F、 DAI is supported on access and trunk ports only.
Which three statements are typical characteristics of VLAN arrangements?（）A、A new switch has no VLANs configured.B、Connectivity between VLANs requires a Layer 3 device.C、VLANs typically decrease the number of collision domains.D、Each VLAN uses a separate address space.E、A switch maintains a separate bridging table for each VLAN.F、VLANs cannot span multiple switches.
Refer to the exhibit. The output that is shown is generated at a switch. Which three of these statements are true? （）A、All ports will be in a state of discarding, learning, or forwarding.B、Thirty VLANs have been configured on this switch.C、The bridge priority is lower than the default value for spanning tree.D、All interfaces that are shown are on shared media.E、All designated ports are in a forwarding state.F、The switch must be the root bridge for all VLANs on this switch.
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.
Given the output of the Floor3 switch, what statement describes the operation of this switch（）。A、VTP is disabled on this switch.B、The switch can create, change, and delete VLANs.C、The switch learns VLAN information but does not save it to NVRAM.D、The switch can create VLANs locally but will not forward this information to other switches.E、The switch learns VLAN information and updates the local VLAN data base in NVRAM.
The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch. What must be done to ensure that this new switch becomes the root bridge on the network?（）A、Lower the bridge priority number.B、Change the MAC address of the switch.C、Increase the VTP revision number for the domain.D、Lower the root path cost on the switch ports.E、Assign the switch an IP address with the lowest value.
What are three valid reasons to assign ports to VLANs on a switch? （）A、to make VTP easier to implementB、to isolate broadcast trafficC、to increase the size of the collision domainD、to allow more devices to connect to the networkE、to logically group hosts according to functionF、to increase network security
What is the purpose of the cisco Vlan Trunking protocol?（）A、to provide a mechanism to dynamically assign vlan membership to switch portsB、to allow traffic to be carried from multiple vlans over a single link between switchesC、to allow native vlan information to be carried over a trunk linkD、to provide a mechanism to manually assign vlan membership to switch portsE、to allow for managing the additions,deletions,and changes of vlans between switchs
单选题You are assigning VLANs to the ports of switch R1. What VLAN number value is an assigned tothe default VLAN？（）AVLAN 1003BVLAN 1CVLAN ONDVLAN AEVLAN 0
单选题Refer to the exhibit.All switch ports are assigned to the correct VLANs, but none of the hosts connected to SwitchA can communicate with hosts in the same VLAN connected to SwitchB. Based on the output shown, what is the most likely problem?（）A The access link needs to be configured in multiple VLANs.B The link between the switches is configured in the wrong VLAN.C The link between the switches needs to be configured as a trunk.D VTP is not configured to carry VLAN information between the switches.E Switch IP addresses must be configured in order for traffic to be forwarded between the switches
单选题A switch that is to be added to the production network has been preconfigured （trunks， VLANs， VTP， and STP） and was tested in your lab. After installing the switch into the network， the entire network went down. What might explain what happened？ （）AThe new switch happened to be running Cisco Catalyst operating system， while the other network switches were running Cisco IOS Software.BThe configuration revision of the new switch was higher than the configuration revision of the production VTP domain.CThe link costs on the new switch are set to a high value， causing all ports on the new switch to go into a forwarding mode and none into blocking mode， thereby causing a spanning-tree loop.DThe ports connecting to the two switches have been configured incorrectly. One side has the command switchport mode access and the other switchport mode trunk.
多选题The DAI feature has been implemented in the Company switched LAN. Which three statements are true about the dynamic ARP inspection （DAI） feature？ （）ADAI can be performed on ingress ports only.BDAI can be performed on both ingress and egress ports.CDAI is supported on access ports， trunk ports， EtherChannel ports， and private VLAN ports.DDAI should be enabled on the root switch for particular VLANs only in order to secure the ARP caches of hosts in the domain.EDAI should be configured on all access switch ports as untrusted and on all switch ports connected to other switches as trusted.FDAI is supported on access and trunk ports only.
多选题What are three valid reasons to assign ports to VLANs on a switch？（）Ato make VTP easier to implementBto isolate broadcast trafficCto increase the size of the collision domainDto allow more devices to connect to the networkEto logically group hosts according to functionFto increase network security
单选题The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch. What must be done to ensure that this new switch becomes the root bridge on the network？（）A Lower the bridge priority number.B Change the MAC address of the switch.C Increase the VTP revision number for the domain.D Lower the root path cost on the switch ports.E Assign the switch an IP address with the lowest value.
多选题What are three methods that may be use d to allow a switch to determine which ports to forward IP multicast messages to?（）AIGMPBIGMP snoopingCPIMDCGMPEstatic assignmentFCDP
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
单选题What is the purpose of the cisco Vlan Trunking protocol?（）Ato provide a mechanism to dynamically assign vlan membership to switch portsBto allow traffic to be carried from multiple vlans over a single link between switchesCto allow native vlan information to be carried over a trunk linkDto provide a mechanism to manually assign vlan membership to switch portsEto allow for managing the additions,deletions,and changes of vlans between switchs
多选题Which are valid modes for a switch port used as a VLAN trunk? (Choose three.)（）AtransparentBautoConDdesirableEblockingFforwarding