What are three functions of the Cisco wireless LAN controller，  which is being used in the Company  Centralized WLAN solution network？ （）

A .  programming interface to external applications B .  FXS and FXO port negotiation C .  AutoQos VoIP trust boundaries D .  signaling and device control E .  LLQ for voice and video traffic F .  directory and XML service

A . A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure B . Broadcast storms can be mitigated by decreasing the number of broadcast domains,thus increasing their size. C . A higher level of network security can be reached by separating sensitive data traffic from other network traffic. D . Port-based vlans increase switch-port use efficient,thanks to 802.1Q trunks E . A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure. F . Broadcast storms can be mitigated by increasing the number of broadcast domains,thus reducing their size. G . VLANs make it easier for IT staff to configure new logical groups,because the vlans all belong to the same broadcast domain.

A . synchronizes FIFO， PQ， CQ， and MDRR， with WFQ， CBWFQ， and LLQ B . enables strict priority queuing for voice traffic， and weighted round robin queuing for data traffic C . enables low latency queuing to ensure that voice traffic receives priority treatment D . enforces a trust boundary on switch access ports and uplinks/downlinks  E . modifies queue sizes as well as queue weights where required  F . adjusts link speeds to adapt to QoS need

A .  connects traditional telephony devices to voice over IP infrastructure B .  converts analog signals to digital format C .  performs voice compression D .  performs call processing E .  performs dial plan administration F .  performs signaling and device control

A . 6to4 tunneling B . VPN tunneling C . GRE tunneling D . ISATAP tunneling E . PPP tunneling F . Teredo tunneling

A . GLBP supports up to eight virtual forwarders per GLBP group B . GLBP supports clear text and MD5 password authentication between GLBP group members C . GLBP is an open source standardized protocol that can be used with multiple vendors D . GLBP supports up to 1024 virtual routers E . GLBP can load share traffic across a maximum of four routers F . GLBP elects two AVGs and two standby AVGs for redundancy

A . To pass data to a pop-up menu.  B . To populate a base table block.  C . To pass data to other form modules.  D . To pass data to other Oracle products.  E . To dynamically construct SELECT statements.  F . To server as the source for a FROM clause query.&e

A .  It creates jobs without considering the priorities associated with them. B .  It translates tasks into jobs for execution by the scheduler. C .  It determines the list of jobs that must be created for each maintenance window. D .  It is spawned by the MMON background process at the start of the maintenance window. E .  It maintains a repository in the SYSTEM tablespace to store the history of the execution of all tasks.

A . VLANs establish broadcast domains in switched networks. B . VLANs utilize packet filtering to enhance network security. C . VLANs provide a method of conserving IP addresses in large networks. D . VLANs provide a low-latency internet working alternative to routed networks. E . VLANs allow access to network services based on department, not physical location. F . VLANs can greatly simplify adding, moving, or changing hosts on the network.

A . Building the SQL profile B . Recommending optimization of materialized views C . Checking query objects for missing and stale statistics D . Recommending bitmap, function-based, and B-tree indexes E . Recommending restructuring SQL queries that are using bad pla

A . a set of rules that can be established and associated with the ingress and egress ports of the control plane B . improves performance of the control plane by marking control plane packets with DSCPEF C . protects the control plane on a router from DoS attacks D . treats the control plane as a separate entity with its own ingress （input） and egress （output） ports E . provides the control plane with a separate token bucket F . enhances security of the control plane by tunneling packets to and from the control plane

A . 6to4 tunneling B . VPN tunneling C . GRE tunneling D . ISATAP tunneling E . PPP tunneling F . Teredo tunneling

A .  Building the SQL profile B .  Recommending optimization of materialized views C .  Checking query objects for missing and stale statistics D .  Recommending bitmap， function-based， and B-tree indexes E .  Recommending restructuring SQL queries that are using bad pla

A . A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure B . Broadcast storms can be mitigated by decreasing the number of broadcast domains，thus increasing their size C . A higher level of network security can be reached by separating sensitive data traffic from other network traffic D . Port-based vlans increase switch-port use efficient，thanks to 802.1Q trunks E . A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure F . Broadcast storms can be mitigated by increasing the number of broadcast domains，thus reducing theirsize G . VLANs make it easier for IT staff to configure new logical groups，because the vlans all belong to thesame broadcast domai

A . monitors performance B . manages JVM memory C . serves J2EE applications D . manages the deployment manager E . manages configuration synchronization F . routes administrative requests to server

A . Building the SQL profile B . Recommending optimization of materialized views C . Checking query objects for missing and stale statistics D . Recommending bitmap, function-based, and B-tree indexes E . Recommending restructuring SQL queries that are using bad pla

A .  They can accept only one argument. B .  They can be nested up to only two levels. C .  They can return multiple values of more than one data type. D .  They can be used in SELECT， WHERE， and ORDER BY clauses.   E .  They can modify the data type of the argument that is referenced. F .  They can accept a column name， expression， variable name， or a user-supplied constant as arguments.

A .  Ease of disk administration and maintenance B .  Load balancing across physical disks C .  Software RAID-1 data redundancy with double or triple mirrors D .  Automatic recovery of failed disk

A . programming interface to external applications B . FXS and FXO port negotiation C . AutoQos VoIP trust boundaries D . signaling and device control E . LLO for voice and video traffic F . directory and XML service

A . VLANs establish broadcast domains in switched networks. B . VLANs utilize packet filtering to enhance network security. C . VLANs provide a method of conserving IP addresses in large networks. D . VLANs provide a low-latency internetworking alternative to routed networks. E . VLANs allow access to network services based on department,not physical location. F . VLANs can greatly simplify adding,moving,or changing hosts on the network.

A . Building and implementing SQL profiles B . Recommending the optimization of materialized views C . Checking query objects for missing and stale statistics D . Recommending bitmap, function-based, and B-tree indexes E . Recommending the restructuring of SQL queries that are using bad pla

A.Planning and controlling company activities. B.Reassuring managers and conferring legitimacy on decisions. C.Asserting authority and judging one's peers. D.Sharing problems and censuring mistakes.