The LAN needs are expanding at the Testking corporate office, which is quickly growing. You are instructed to enlarge the area covered by a single LAN segment on the TestKing network.Which of the following are layer 1 devices that you can use?（）

A . VPLS uses LDP for signaling. B . VPLS uses BGP for autodiscovery and signaling. C . VPLS uses extended IS-IS for signaling D . VPLS uses OSPF version 3 for auto discovery and signaling E . VPLS uses spanning tree for signaling

A . core B . access C . distribution D . aggregatio

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 .  RX-queue deferred B .  TX-queue deferred C .  RX-queue saturation D .  TX-queue saturation E .  RX-queue starvation F .  TX-queue starvatio

A . after broken links are re-established B . in an improperly implemented redundant topology C . when upper-layer protocols require high reliability D . during high traffic periods E . when a dual ring topology is in use

A . A broadcast domain with too many hosts. B . Full duplex operation. C . Broadcast storms. D . Multicasting. E . Network Segmentation. F . Low bandwidth.

A . RX-queue deferred B . TX-queue deferred C . RX-queue saturation D . TX-queue saturation E . RX-queue starvation F . TX-queue starvatio

A .  In the autonomous access point solution， control is provided by the WLAN controller. B .  In the lightweight access point solution， WLAN management is provided by the WLAN Control  System （WCS）. C .  In the autonomous access point solution， control is provided by the WDS （Wireless Domain  Services）. D .  Cisco Aironet autonomous access points cannot be supported by the Cisco Unified Wireless  Network. E .  Ii the lightweight access point solution， WLAN management is provided by the WLAN Solution  Engine （WLSE）. F .  Cisco Aironet lightweight access points cannot be supported by the Cisco Unified Wireless  Network.

A . Hardware such as logistics facilities and equipment (logistics carriers) are needed B . Information control and standardization C . Supports from the government and logistics association D . All of them

A .  Ethernet Private Line B .  Ethernet Wire Service C .  Ethernet Relay Service D .  Ethernet Multipoint Service E .  Ethernet Relay Multipoint Service

A . show command B . debug command C . configuration command D . rommon command

A . VLAN membership of a user always remains the same even when he/she is moved to another  location. B . VLAN membership of a user always changes when he/she is moved to another location. C . Membership can be static or dynamic. D . Membership can be static only. E . None of the other alternatives apply.

A .  Voice carrier stream utilizes Real-Time Transport Protocol (RTP) to carry the audio/media  portion of the VoIP communication.   B .  Voice traffic data flow involves large volumes of large packets.   C .  Because a packet loss involves a small amount of data, voice traffic is less affected by packet  losses than traditional data traffic is.   D .  Voice packets are encapsulated in TCP segments to allow for proper sequencing during  delivery.  E .  Voice packets are very sensitive to delay and jitter.&e

A .  In ad hoc mode， the Independent Basic Service Set （IBSS） is a framework in which mobile  clients connect directly without an intermediate access point. B .  In Infrastructure mode， the Basic Service Set （BSS） is a framework in which mobile clients use  a single access point for connecting to each other or to wired network resources. C .  In Infrastructure mode， the Extended Services Set （ESS） is a framework in which two or more  Basic Service Sets are connected by a common distribution system （DS）. D .  In Infrastructure mode， the Independent Basic Service Setet （IBSS） is a framework in which  mobile clients connect directly without an intermediate access point. E .  In ad hoc mode， the Basic Service Set （BSS） is a framework in which mobile clients use a  single AP for connecting to each other or to wired network resources. F .  In ad hoc mode， the Extended Services Set （ESS） is a framework in which two or more Basic  Service Sets are connected by a common distribution system （DS）

A .  Authentication   B .  Mobility C .  Security management D .  Transmission of beacon frames E .  Real-time portions of MAC management F .  Real-time aspects of the 802.11 prtocol management G .  SNMP collectio

A . Ethernet Private Line B . Ethernet Wire Service C . Ethernet Relay Service D . Ethernet Multipoint Service E . Ethernet Relay Multipoint Service

A . To support fault and policy reporting，the WLSE requires a Wireless Control System （WCS）. B . When WLSE detects an AP failure，it automatically increases the power and cell coverage of nearbyAPs. C . WLSE requires the 2700 location appliance to offer location tracking. D . WLSE can locate rogue APs and automatically shut them down. E . WLSE configuration is done using the command line interface （CLI） or a WEB based template.

A . need one access point B . want to provide unsecured wireless access C . need between two and three access points D . want to provide employee wireless access E . need more than four access points F . want to provide guest wireless acce

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.

A .  To support fault and policy reporting， the WLSE requires a Wireless Control System （WCS）. B .  When WLSE detects an AP failure， it automatically increases the power and cell coverage of nearby APs. C .  WLSE requires the 2700 location appliance to offer location tracking. D .  WLSE can locate rogue APs and automatically shut them down. E .  WLSE configuration is done using the command line interface （CLI） or a WEB based template.

A . to support fault and policy reporting， the WLSE requires a Wireless Control System （WCS） B . when WLSE detects an AP failure， it automatically increases the power and cell coverage of nearby APs C . WLSE requires the 2700 location appliance to offer location tracking D . WLSE can locate rogue APs and automatically shut them down E . WLSE configuration is done using the command line interface （CLI） or a WEB based template

A . Dedicated paths between sending and receiving hosts are established. B . Multiple subnetwork broadcast addresses are created. C . Multiple ARP tables are needed. D . The decrease in the number of collision domains. E . Broadcast domains are enhanced. F . Additional bandwidth is used to connect hosts.

A．self-actualization B．biology and physiology C．esteem D．safety