What are three facts about backups with mysqldump?（）

A . EAP-FAST has the ability to tie login with non-Microsoft user databases B . EAP-TLS supports static passwords C . PEAP supports one-time passwords D . LEAP does not support multiple operating systems E . LEAP supports Layer 3 roaming F . PEAP does not work with WPA

A . Out-of-profile packets are queued. B . It causes TCP retransmits. C . Marking and remarking are not supported. D . It does not respond to BECN and foresight messages. E . It uses a single- and two-bucket mechanism for metering.

A . RSTP significantly reduces topology reconverging time after a link failure. B . RSTP expends the STP port roles by adding the alternate and backup roles. C . RSTP port states are blocking，discarding，learing，or forwarding. D . RSTP also uses the STP proprsal-agreement sequence. E . RSTP use the same timer-baseed process as STP on point-to-point links. F . RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.

A . Asinglerowsubquerycanretrieveonlyonecolumnandonerow. B . Asinglerowsubquerycanretrieveonlyonerowbutmanycolumns. C . Amultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns. D . Amultiplerowsubquerycanbecomparedusingthe"；>；"；operator. E . AsinglerowsubquerycanusetheINoperator. F . Amultiplerowsubquerycanusethe"；="；operator.

A . RSTP significantly reduces topology reconverging time after a link failure. B . RSTP expends the STP port roles by adding the alternate and backup roles. C . RSTP port satates are blocking,discarding,learing,or forwarding. D . RSTP also uses the STP proprsal-agreement sequence. E . RSTP use the same timer-baseed process as STP on point-to-point links. F . RSTP provides a faster transition to the forwarding state on point-to-point links than STP does.

A . A filter must implement the destroy method. B . A filter must implement the doFilter method. C . A servlet may have multiple filters associated with it. D . A servlet that is to have a filter applied to it must implement the javax.servlet.FilterChain interface. E . A filter that is part of a filter chain passes control to the next filter in the chain by invoking the FilterChain.forward method.

A . A single row subquery can retrieve only one column and one row. B . A single row subquery can retrieve only one row but many columns. C . A multiple row subquery can retrieve multiple rows and multiple columns. D . A multiple row subquery can be compared by using the ">" operator. E . A single row subquery can use the IN operator. F . A multiple row subquery can use the "=" operator.

A . A user cannot set privileges on the persistent lightweight jobs B . Persistent lightweight jobs generate a large amount of metadata C . It is possible to create fully self-contained persistent lightweight jobs D . The use of a template is mandatory to create persistent lightweight jobs E . Persistent lightweight jobs are useful when users need to create a large number of jobs in a short time

A . The router is in area 49.0001.0002 B . The router acts as a Level 1 - 2 router C . CLNS routing is enable d for the router D . The router has a system ID of 0003.0004 E . The interfaces have a functional IS - IS configuration F . The network service access point selector (NSEL) byte has a value of 0

A . EIGRP converges fast RIP because of DUAL and backup routes that are stored in the topology table. B . EIGRP uses a hello protocol to establish neighbor relationships C . EIGRP uses split horizon and reverse poisoning to avoid routing loops. D . EIGRP uses periodic updates to exchange routing information E . EIGRP allows routers of different manufacturers to interoperate F . EIGRP supports VLSM and authentication for routing updates. G . EIGRP use a broadcast address to send routing information.

A . DAI intercept all ARP packets on untrusted ports B . DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the DHCP Snooping database. C . DAI is used to prevent against a DHCP Snooping attack. D . DAI forwards all ARP packets received on a trusted interface without any checks. E . DAI forwards all ARP packets on untrusted ports. F . DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the CAM table.

A . It has the same maximum hop count as version 1. B . It uses broadcasts for its routing updates. C . It is a classless routing protocol. D . It has a lower default administrative distance than RIP version 1. E . It supports authentication. F . It does not send the subnet mask in updates.

A . It is a Cisco proprietary protocol. B . It runs on TCP port 59. . C . Authentication and authorization are done at different stages. D . TACACS+ encrypts the entire body of the packet， but leaves a standard TACACS+ header. E . It is an industry standard protocol. F . TACACS+ encrypts both the entire body of the packet and the TACACS+ header.

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 .  EAP-FAST has the ability to tie login with non-Microsoft user databases B .  EAP-TLS supports static passwords C .  PEAP supports one-time passwords D .  LEAP does not support multiple operating systems E .  LEAP supports Layer 3 roaming F .  PEAP does not work with WPA&middot

A . Domains can be created using the Configuration Wizard. B . Domains can be created using WLST.   C . Domain configuration files are located in the WebLogic home directory. D . Domains can be created based on a domain template.

A . Out-of-profile packets are queued. B . It causes TCP retransmits. C . Marking and remarking are not supported. D . It does not respond to BECN and foresight messages. E . It uses a single- and two-bucket mechanism for metering.

A . NetFlow records unidirectional IP traffic flow. B . NetFlow records MPLS frame flow. C . NetFlow expert is only over TCP. D . NetFlow records is only over UDP. E . NetFlow records subinterface information of traffic flow.

A .  Only one window can be open at any given time B .  Consumer groups are associated with windows C .  Windows work with job classes to control resource allocation D .  The database service name must be provided during windows creation E .  Windows can automatically start job or change resource allocation among jobs for various time periods.

A．The population of London. B．London as a melting-pot. C．The rapid development of London. D．The policy of London government.

A．the new operating system will be marketed at a discount B．search will be removed from the new operating system C．all search capabilities will be combined into the desktop D．images and data will be exchanged more directly