. What are the three pillars of “Strategy 2020” of DHL？DHL公司“战略2020”的三大支柱是什么？

A . produces higher margins than product sales along B . generate recurring revenue C . strengthens customer loyalty D . renews automatically for the lifetime of the product E . helps customers speed architectural planning and design F . eliminates network problem

A .  provides advanced security such as hardware encryption acceleration B .  provides investment protection through increased modularity C .  comes equipped with at least one 1000-based TX interlace D .  contains integrated wireless access using the 802.11 g/b standard E .  contains integrated web-based management tools for easy configuration and maintenance

A . administrators B . system monitoring C . network operator D . power users E . admin F . users’ assistant

A . queue creation B . determining packet drop thresholds C . determining the random early detection method D . traffic classification E . queue scheduling F . FIFO configuratio

A . severity level B . facility C . log message name D . time stamp E . error codes F . access privilege

A . enables PortFast B . disables trunking C . disables Cisco Discovery Protocol D . enables port security E . enables loopguard F . disables EtherChannel

A . to support PUSH-based active database duplication B . to support synchronization of a standby database with the primary database in a Data environment C . To support PULL-based active database duplication D . To support file restores over the network in a Data Guard environment E . To support file recovery over the network in a Data Guard environment

A . It converges quickly. B . OSPF is a classful routing protocol. C . It uses cost to determine the best route. D . It uses the DUAL algorithm to determine the best route. E . OSPF routers send the complete routing table to all directly attached routers. F . OSPF routers discover neighbors before exchanging routing information.

A . complicated header B . plug-and-play C . no broadcasts D . checksums E . optional IPsec F . autoconfiguratio

A .  using QoS techniques such as Traffic Policing to rate limit suspected traffic to prevent DoS attacks B .  automatic reconfiguration s of the security devices based on current security threats C .  containment and control of security threats D .  application security E .  anti-x defense F- virtual firewall

A . dispersion B . Optical SNR C . span attenuation D . four wave mixing E . receiver sensitivity

A.Cutivated Australian B.Private Australian C.GeneralAuistralian D.BroadAustralian 此题为多项选择题。

A.the structural view B.the communicative view C.interactional view D.functional view 此题为多项选择题。