What two are the prerequisites for enabling Flashback Database?（） (Choose two)

A .  The database must be in ARCHIVELOG mode B .  The database must be in MOUNT EXCLUSIVE mode C .  The database must be opened in RESTRICTED mode D .  The database instance must be started in the NOMOUNT state E .  The database instance must have the keep buffer pool defined

A . facilitates customer deployments that are less reliable B . facilitates customer deployments that are more predictable C . separates products and technologies into individual portfolios D . incorporates products and technologies into a broad portfolio E . strives to protect access to design documentatio

A . The default route should have a next hop address of 64.100.0.3. B . Hosts on the LAN that is connected to FastEthernet 0/1 are using public IP addressing. C . The address of the subnet segment with the WWW server will support seven more servers. D . The addressing scheme allows users on the Internet to access the WWW server. E . Hosts on the LAN that is connected to FastEthernet 0/1 will not be able to access the Internet without address translation.

A . Oil Rig chain and Oil Field Stud Link chain B . Flash-butt welded chain and Di-Lok chain C . Flash-butt welded chain and Oil Rig chain D . Oil Field Stud Link chain and Flash-butt welded chai

A . facilitates customer deployments that are less reliable B . facilitates customer deployments that are more predictable C . separates products and technologies into individual portfolios D . incorporates products and technologies into a broad portfol E . strives to protect access to design documentatio

A . service guarantee B . traffic that is divided into classes C . not scalable to large implementations D . QoS mechanisms that are used without prior signaling E . applications that signal their particular QoS and bandwidth requirement

A . It cannot generate recommendations that support multiple workload queries. B . It can recommend partitioning on tables provided that the workloads have some predicates and joins on the columns of the NUMBER or DATE type. C . It can recommend partitioning only on tables that have at least 10,000 rows. D . It can recommend only B-tree indexes and not bitmap or function-based indexe

A . Having Access to the current software releases and support for software packages B . Having direct or indirect access to the Cisco TAC global organization C . Having improved network availability and performance D . HavingThe ability to access a group of expert

A . Graceful restart allows session information recovery without disruption to the network. B . A node can perform a graceful restart to help a neighbor recover its state. The label bindings are kepton state information， which helps the failed node recover faster and does notaffect the current for wardtraffic. C . Graceful restart allows a node to recover state from its neighbor when there is no RP or before thedevice undergoes SSO. D . Graceful restart does not allow session information recovery. E . During a graceful restart， the router removes any stale prefixes after a timer for stale entries expire

A .  Up to 25 m bus length B .  Only one device per SCSI bus C .  Up to 16 devices per SCSI bus D .  Half-duplex operation E .  Full-duplex operatio

A . It is needed to identify a unique instance of an OSPF database. B . It is an optional parameter only necessary if multiple OSPF processes are used. C . It is locally significant. D . It is globally insignificant E . All routers in the same OSPF area must have the same process ID to exchange routing information.

A、A director. B、A movie. C、The Academy Award.

A．How they feel about their classes B．Applying for a job as a teaching assistant C．Not having enough time to study D．Stories from Russian history

A．Generate revenue B．Develop key assumptions C．Building and integrating the three statements D．Predict expenditures 此题为多项选择题。