Which MS-DOS command is correct？（）

A . The shrink operation touches every block in the BOOKING table B . The high-water mark (HWM) for the BOOKING table is shifted from its original position C . The progress of the shrink operation is saved in the bitmap blocks of the BOOKING table D . The data manipulation language (DML) triggers on the BOOKING table are executed because the shrink operation is internally handled by the INSERT/DELETE operatio

A . It must be issued before the network command to enable the OSPF pr ocess for IPv6. B . It must be issued after the network command to enable the OSPF process for IPv6. C . It must be issued in router global configuration mode to enable the OSPF process for IPv6. D . It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.

A . The fishing vessel must keep clear of the vessel not under command B . If the vessel not under command is a power-driven vessel，she must keep clear of the fishing vessel C . They must exchange whistle signals D . Both vessels are required to take action to stay clear of each other

A .  IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command. B .  The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state. C .  IGMP snooping has been disabled on the VLAN 120 SVI. D .  IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode. E .  IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.

A . show ip ospf lsa database（not A） B . show ip ospf link-state C . show ip ospf neighbors D . show ip ospf database

A .  The shrink operation touches every block in the BOOKING table B .  The high-water mark （HWM） for the BOOKING table is shifted from its original position C .  The progress of the shrink operation is saved in the bitmap blocks of the BOOKING table D .  The data manipulation language （DML） triggers on the BOOKING table are executed because the shrink operation is internally handled by the INSERT/DELETE operatio

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 .  alter database open B .  alter database open repairlog C .  alter database open resetlogs D .  alter database open resetlog E .  alter database resetlogs ope

A . ALTER USER  B . ALTER DATABASE  C . ALTER SYSTEM  D . GRANT

A .  It is useful for diagnosing data dependent problems by filling the packet with the byte pattern following the "f" in the command line.  B .  It is useful for flooding from slow character based terminals since it only displays a dot "." for each packet sent in fast mode.  C .  It is useful for flooding from slow character based terminals since it only displays a dot "."       for each packet sent and a backspace on returned in fast mode.  D .  The command can only be run by root.

A . Show mpls Idp neighbor detail B . Show mpls Idp bindings C . Show mpls Idp parameters D . Show mpls Idp discovery

A . show ip interface [interface] access-lists B . show ip access-lists interface [interface] C . show ip interface [interface] D . show ip access-lists [interface]

A . ip route 172.16.1.0 255.255.255.0 0.0.0.0 B . ip route 172.16.1.0 255.255.255.0 172.16.2.1 C . ip route 0.0.0.0 255.255.255.0 172.16.2.1 D . ip route 0.0.0.0 0.0.0.0 172.16.2.1

A .  alter database archivelog B .  alter system enable archivelog mode C .  alter database enable archive D .  alter database archivelog enable E .  None of the above

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 requires the RELOAD, FILE, and DROP privileges B . It closes and reopens all log files C . It closes and sends binary log files to slave servers D . It flushes dirty pages in the buffer pool to the REDO log

A . No logical volumes wil be moved if write-verify is set to yes. B . No action will be performed if it cannot fulfill the allocation requirements. C . Physical partitions of a logical volume will be moved if the logical volume's relocatable flag is set to "no". D . Physical partitions will be moved as close as possible to the positions specified, if the allocation requirements cannot be fulfilled.

A . The ip classless command is enabled by default in recent versions of IOS. B . The ip classless command should only be enabled when static routing is being used instead of a routing protocol. C . The ip classless command should be enabled by the network administrator whenever RIPv1 or IGRP is being used. D . The ip classless command should be enabled by the network administrator whenever OSPF, RIPv2, or EIGRP is being used.

A . ifconfig B . no C . chdev D . netstat

A . /usr/sbin/nim_init B . /usr/bin/installnim C . /usr/sbin/nimconfig D . /usr/sbin/setup_server

A .  conslog  B .  nimlog  C .  bosinstlog  D .  errlog

A .  make log B .  log config C .  w3c log config D .  advance dproxy config E .  mklog file

A . show ip interface [interface] access-lists B . show ip access-lists interface [interface] C . show ip interface [interface] D . show ip access-lists [interface]

A．SDRSI B．SDRCI C．SDCRI