What does a Layer 2 switch use to decide where to forward a received frame?（）

A . 802.1d B . VTP C . 802.1q D . STP E . SAP

A .  Enables all fiber-optic LAN ports for Unidirectional LINK Detection （UDLD） B .  Enables all copper media LAN ports Unidirectional Link Detection （UDLD） C .  Overrides the default UDLS setting for all ports D .  Globally enables all ports on the device for Unidirectional Link Detection （UDLS） E .  None of the other alternatives apply

A . VLAN support B . compression C . authentication D . sliding windows E . multilink support F . quality of service

A . OSPF is not supported by the design B . HSRP is not supported by the design C . preempt tuning of the default gateway is needed D . the design implements Layer 3 between the access switch and the distribution switch

A . The data is moving from 10BASE-TX to 100BASE-TX. B . The WAN encapsulation type has changed. C . The data format has changed from analog to digital. D . The source and destination hosts are in the same subnet. E . The source and destination MAC addresses have changed.

A .  switchport access vlan vlan-id B .  switchport C .  switchport mode access D .  no switchport E .  None of the other alternatives apply

A . the operation of VTP B . a method of VLAN trunking C . an approach to wireless LAN communication D . the process for root bridge selection E . VLAN pruning vla

A . Microsegmentation decreases the number of collisions on the network. B . if a switch receives a frame for an unkown destination，it uses ARP to resolve the address. C . Spanning Tree Protocol allows switches to automatically share vlan information. D . In a properly functioning network with redundant switched paths，each swiched aegment will contain oneroot bridge with all its ports in the forwarding state.All other switches in that broadcast domain will haveonly one root port. E . Establishing vlans increases the number of  broadcast domains. F . Switches that are configured with vlans make forwarding decisions based on both layer 2 and layer 3address information.

A .  It enables a PVST+ instance of 10 for vlan 11 and vlan 12 B .  It enables vlan 11 and vlan 12 to be part of the MST region 10 C .  It maps vlan 11 and vlan 12 to the MST instance of 10. D .  It creates an Internal Spanning Tree （IST） instance of 10 for vlan 11 and vlan 12   E .  It create a Common Spanning Tree （CST） instance of 10 for vlan 11 and vlan 12 F .  It starts two instances of MST， one instance for vlan 11 and another instance for vlan 12.

A . RSTP information is automatically aged out. B . The port sends a TCN to the root bridge. C . The port moves to listening state. D . The port becomes a normal spanning tree port.

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 device

A . Ethernet B . PPP C . Token Ring D . HDLC E . Frame Relay F . POTS

A . Network management layer B . Element management layer C . Business management layer D . Network element layer

A .  a minimum of one Cisco 4100 Series WLAN Controller B .  one WDS per subnet C .  a minimum of one Wireless LAN Services Module D .  all clients using Cisco Aironet Wireless LAN Adapter

A . VLAN support B . compression C . authentication D . sliding windows E . multilink support F . quality of service

A . Cisco SFS 3000/7000 B . Cisco Catalyst 2000 and 3000 C . Cisco Catalyst 4000 and 6000 D . Cisco Nexu

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 device

A . The data is moving from 10BASE-TX to 100BASE-TX. B . The WAN encapsulation type has changed. C . The data format has changed from analog to digital. D . The source and destination hosts are in the same subnet. E . The source and destination MAC addresses have changed.

A . no switchport trunk native vlan vlan-id B . switchport nonegotiate C . no switchport mode dynamic desirable D . switchport mode acce

A . ease of IP address assignment versus use of external routers B . redundancy from trunking between distribution layer switches C . provides first-hop redundancy to clients D . allows inter-VLAN communication without requiring complexity of routing protocol

A .  Causes the interface to apply ISL framing for traffic on VLAN 7 B .  Configures the trunking interface to forward traffic from VLAN 7 C .  Configures the interface to be a trunking port and causes traffic on VLAN 7 to be 802.1q tagged D .  Configures the trunking interface to send traffic from VLAN 7 untagged E .  None of the other alternatives apply

A . Microsegmentation decreases the number of collisions on the network. B . if a switch receives a frame for an unkown destination,it uses ARP to resolve the address. C . Spanning Tree Protocol allows switches to automatically share vlan information. D . In a properly functioning network with redundant switched paths,each switched aegment will contain one root bridge with all its ports in the forwarding state.All other switches in that broadcast domain will have only one root port. E . Establishing vlans increases the number of broadcast domains. F . Switches that are configured with vlans make forwarding decisions based on both layer 2 and layer 3 address information.

A . ip routing B . no ip routing C . router eigrp 1 D . no router eigrp 1 E . mls qos F . no mls qo

A . Cisco Catalyst 2000 and 3000 B . Cisco Nexus C . Cisco Catalyst 4000 and 6000 D . Cisco SFS 3000/7000