Why would the network manager elect to implement a configuration that includes GRE tunnels for a eleworker deployment?（）

A .  To list all backups that were no longer available for restore operations B .  To list all backups that had aged beyond the RMAN retention criteria C .  To list all backup set pieces listed in control-file or recovery-catalog metadata that are not on the backup media D .  To list all datafiles that are no longer part of the database and thus do not need to be backed up E .  To list all archived redo logs that are no longer needed for any database recovery

A . Ensuring compliance with legal regulations and corporate policies B . Troubleshooting problem reports C . Planning for network expansion D . Providing support to sales and marketing E . Giving presentations to management F . Monitoring and tuning network performance

A . to execute a specified method of a Java class   B . to reference a variable or invoke a method of a custom Java Object   C . to pass variables between two different workflows   D . to create an object for the purpose of executing methods on a remote computer   E . to get a reference to the Contact and Session states   F . to allow for arguments to be passed to a specified method

A . to prevent unauthorized Telnet access to a switch port B . to limit the number of Layer 2 broadcasts on a particular switch port C . to prevent unauthorized hosts from accessing the LAN D . to protect the IP and MAC address of the switch and associated ports E . to block unauthorized access to the switch management interfaces over common TCP port

A .  to undo the changes made to the EMP table since the specified time B .  to restore the EMP table that was wrongly dropped from the database C .  to view the transactions that have modified the EMP table since the specified time D .  to view the changes made to the EMP table for one or more rows since the specified time

A . to undo the changes made to the EMP table since the specified time B . to restore the EMP table that was wrongly dropped from the database C . to view the transactions that have modified the EMP table since the specified time D . to view the changes made to the EMP table for one or more rows since the specified time E . to recover the EMP table to a point in time in the past by restoring the most recent backu

A . in order to optimize the path that frames take from source to destination B . to increase the priority so a designated port will become a root port C . to increase the BID, so the switch is more likely to become root bridge D . in order to allow VLANs to be sent from one switch to another across a single link E . to force a given switch to become an STP server

A . An update packet with init flag set from a known， already established neighbor relationship was received by one of the routers. B . The counters were deleted. C . The ARP cache was removed. D . The IP EIGRP neighbor relationship was cleared manually.

A . the use of hosted email services eliminating the need for local security B . the perceived costs of security solutions C . the lack of risk analysis D . the lack of threats to their network E . the belief that free security tools are sufficient F . the desire to avoid unnecessary technologie

A . to prevent unauthorized Telnet access to a switch port B . to limit the number of Layer 2 broadcasts on a particular switch port C . to prevent unauthorized hosts from accessing the LAN D . to protect the IP and MAC address of the switch and associated ports E . to block unauthorized access to the switch management interfaces over common TCP port

A . Mis-routed packets B . Excess jitter C . Delay of critical traffic D . Packet loss due to congestion E . Data link layer broadcast storms F . FTP connections unsuccessful

A . BPDU guard can be used to prevent invalid BPDUs from propagating throughout the network.  B . BPDU guard can guarantee proper selection of the root bridge. C . BPDU guard can be utilized to prevent the switch from transmitteing BPDUs and incorrectly altering the root bridge election. D . BPDU guard can be utilized along with PortFast to shut down ports when a switch is connected to the port. E . None of the other alternatives apply

A . to undo the changes made to the EMP table since the specified time B . to restore the EMP table that was wrongly dropped from the database C . to view the transactions that have modified the EMP table since the specified time D . to view the changes made to the EMP table for one or more rows since the specified time E . to recover the EMP table to a point in time in the past by restoring the most recent backu

A .  To remove missing backup set pieces physically from disk B .  To remove metadata related to backup set pieces in the control file and the recovery catalog C .  To mark as deleted records in the control file and the recovery catalog associated with obsolete backup sets D .  To delete backup set pieces associated with backups that are no longer needed due to retention criteria E .  To remove old versions of RMAN backu

A . 15.234.118.63 B . 83.121.178.93 C . 134.178.18.56 D . 192.168.19.37 E . 201.45.116.159 F . 217.63.12.192

A . To use ftp and telnet B . To perform NFS mounts C . To make /etc/hosts files unnecessary D . To reduce network traffic and save bandwidth

A . 192.168.0.0/24 B . B . 192.168.8.0/20 C . 192.168.8.0/21 D . 192.168.12.0/20 E . 192.168.16.0/21 F . These networks cannot be summarized.

A . Increasing the number of collision domains. B . Micro-segmenting the network. C . Adding hubs for connectivity to the network. D . Putting additional switches in the network. E . Implementing VLANs in the network.

A、Because he would like to catch the Christmas shopping season B、Because he would like to launch a new product C、Because he would like to save costs D、Because he would like to improve corporate image

A．He can use the $ 3,000 for investment for one month. B．He can be insured against loss through pound sterling devaluation or floating down during the month. C．Because the rate of these purchases is fixed whatever happens to exchange rates in the meantime. D．Both Ｂ and Ｃ.