Which two commands are required to enable multicast on a router， knowing that the receivers only support IGMPv2？（）

A .  this login authenticationmethod list is automaticallyapplied to all lines except those that have a named method list explicitly defined B .  If the user fails the TACACS+ authentication then the local database on the router will be used to authenticatethe user C .  if the tacacs+ server fails to respond then the local database on the router will be used to authenticate the user  D .  "login" is the name of the method list being configured E .  if the tacacs+ server is unavailable， authentication will succeed automaticallyby default

A .  If the classification policy is based upon the ToS byte， the qos pre-classify command is required because the ToS byte only appears in the inner IP header. B .  The ToS byte is copied to the outer header by default. Therefore， the qos pre-classify command is not necessary. C .  With GRE encapsulation， the qos pre-classify command is applied on the tunnel interface. This practice allows for different OoS configurations on each tunnel. D .  With GRE encapsulation， the qos pre-classify command is applied on the physical interface. This practice allows for different OoS configurations on each interface. E .  With IPsec encapsulation， the qos pre-classify command is applied on the physical interface. This practice allows for different OoS configurations on each interface.

A .  It repairs blocks that have read disk I/O errors. B .  It checks whether the alias metadata directory and the file directory are linked correctly. C .  It repairs blocks by always reading them from the mirror copy and writing them to the original location. D .  It reads the blocks from a good copy of an ASM mirror and rewrites them to an alternate location on disk if the blocks on the original location cannot be read properly.

A . It enables all system triggers. B . It allows only SYSDBA connections. C . It ensures that all job queues remain active during the upgrade process. D . It sets system initialization parameters to specific values that are required to enable database upgrade scripts to be run.

A . It checks the database for intrablock corruptions. B . It can detect corrupt pfiles. C . It can detect corrupt spfiles. D . It checks the database for interblock corruptions. E . It can detect corrupt block change tracking files.

A . The FWSM supports up to 16 asymmetric routing groups. B . If a matching packet is not found, the packet is dropped. C . Asymetric routing of return traffic is enabled. D . If a matching packet is found, the Layer 3 header is rewritten. E . If a matching packet is found, the Layer 3 header is rewritten and the packet is forwarded to the default gateway.

A .  Repair the corrupted blocks. If any. In the backup created B .  Populate VSCOPV_CORRUPTION with names of files that have corrupted blocks C .  Back up the database after checking whether array of the files have corrupted blocks D .  Discover any corrupt blocks that are viewable with the VSDATABASE_BI-OCK_CORBUPTION view E .  Repair all corrupted blocks that have been logged in the VSDATABASE_BLOCK_ CORRUPTION

A . It establishes a static route to the 172.16.3.0 network B . It establishes a static route to the 192.168.2.0 network C . It configures the router to send any traffic for an unknown destination to the 172.16.3.0 network D . It configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4 E . It uses the default administrative distance F . It is a route that would be used last if other routes to the same destination exist

A .  All the objects of scott are moved to the Recycle Bin. B .  Any objects in the Recycle Bin belonging to scott are purged. C .  All the objects owned by scott are permanently dropped from the database. D .  All the objects of scott in the Recycle Bin must be purged before executing the DROP command. E .  Any objects in the Recycle Bin belonging to scott will not be affected by the above DROP command.

A . The SKD user cannot log in to the database instance. B . The objects owned by the SKD user are not accessible to any user. C . The other users can access the objects owned by the SKD user， on which they have access. D . The password for the SKD user expires and the user is forced to change the password at the next log in.

A . The FLASHBACK TABLE statement will not be written to the alert log file. B . The changes made to the EMP table since the specified time will be undone. C . The EMP table that was dropped by mistake from the database will be restored. D . The FLASHBACK TABLE statement will be executed within a single transaction. E . The FLASHBACK TABLE statement will not maintain the existing indexes on the EMP table.  F . The list of transactions that have modified the EMP table since the specified time will be displayed.

A .  launch.sh B .  wdinstspb C .  SETUP.bin D .  twsinst -migrate E .  SETUP.bin -silent

A . shutdown [a b] B . srp shutdown [a b] C . srp ips request manual-switched [a b]

A . All the objects of scott are moved to the Recycle Bin. B . Any objects in the Recycle Bin belonging to scott are purged. C . All the objects owned by scott are permanently dropped from the database. D . All the objects of scott in the Recycle Bin must be purged before executing the DROP command. E . Any objects in the Recycle Bin belonging to scott will not be affected by the above DROP command.

A . Creating the control file for the duplicate database B . Restoring the target data files to the duplicate database C . Performing complete recovery using all available backups D . Generating a new, unique DBID for the duplicate database E . Copying the online redo log files from the target database to the duplicate database

A . show interfaces interface B . show vlan brief C . show interfaces interface switchport D . show interface interface trunk E . show interfaces vla

A .  Creating the control file for the duplicate database B .  Restoring the target data files to the duplicate database C .  Performing complete recovery using all available backups D .  Generating a new， unique DBID for the duplicate database E .  Copying the online redo log files from the target database to the duplicate database

A . The bgp deterministic-med command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path length B . The bgp always-compare command is used to influence the BGP route selection process to cause the MED attribute to have higher precedence over the AS path system C . Enabling the bgp deterministic-med command ensures the comparison of the MED variable when choosing routes advertised by different peers in the same autonomous system. D . Enabling the bgp always-compare-med command ensures the comparison of the MED variable for paths from neighbors in different autonomous systems. E . The bgp deterministic-med and bgp always-compare-med commands are enabled by defult.

A . show interfaces interface B . show vlan bri C . show interfaces interface switchport D . show interface interface trunk E . show interfaces vla

A . It establishes a static route to the 172.16.3.0 network. B . It establishes a static route to the 192.168.2.0 network. C . It configures the router to send any traffic for an unknown destination to the 172.16.3.0 network. D . It configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4. E . It uses the default administrative distance. F . It is a route that would be used last if other routes to the same destination exist.

A . The SKD user cannot log in to the database instance. B . The objects owned by the SKD user are not accessible to any user. C . The other users can access the objects owned by the SKD user， on which they have access. D . The password for the SKD user expires and the user is forced to change the password at the next log i

A . It establishes a static route to the 172.16.3.0 network. B . It establishes a static route to the 192.168.2.0 network. C . It configures the router to send any traffic for an unknown destination to the 172.16.3.0 network. D . It configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4. E . It uses the default administrative distance. F . It is a route that would be used last if other routes to the same destination exist.

A .  It enables all system triggers. B .  It allows only SYSDBA connections. C .  It ensures that all job queues remain active during the upgrade process. D .  It sets system initialization parameters to specific values that are required to enable database upgrade scripts to be run.

A . IP PIM RP-address B . IP PIM ssm C . IP PIM Sparse-mode D . IP PIM Passive