Which three restrictions apply to OSPF stub areas?（）

A . HDLC B . Ethernet C . Token Ring D . PPP E . FDDI F . Frame Relay

A . You cannot create global range partitioned indexes on the table.  B . The optimizer will not execute partition wise joins on the table’s partitions.  C . You must include at least one element in the value list of each partition of the table, even if that element is the keyword NULL.  D . Partition pruning will not occur during query optimizer if a range of values is included in the query predicate.

A . windows  B . parameters  C . object groups  D . report objects  E . visual attributes&e

A . time stamp B . error codes C . severity level D . log message name

A . Testing the backup and recovery procedures B . Testing the upgrade of an Oracle database to a new release C . Testing the effect of an application changes on database performance D . Continuously updating archive log files from the target database to support failover

A . No fog signal B . A prolonged blast at intervals never to exceed more than two minutes C . A prolonged blast followed by two short blasts at intervals never to exceed more than two minutes D . A prolonged blast followed by three short blasts at intervals never to exceed more than one minute

A .  an event B .  a schedule C .  a program D .  another chain E .  a lightweight jo

A . dial plans B . dialed numbers C . voice mail prompts D . phone feature

A . the masthead lights for a towing vessel B . the lights for a vessel restricted in its ability to maneuver C . sidelights，stern light and towing light D . All of the above

A . Engine is hard to start B . Engine misses C . Surges at governed RPM D . Coolant temperature is too low

A . Design a trigger that verifies that the first names and surnames are not empty strings. B . Design a check constraint that verifies that the first names and surnames are not empty strings. C . Design a check constraint that uses a CLR user-defined function to verify that either the phone number is a null value or the format of the phone number is valid. D . Design a trigger that uses a CLR user-defined function to verify that either the phone number is a null value or the format of the phone number is valid. E . Design a check constraint that ensures that the phone number cannot be changed from a valid format to a null value or to an invalid format. F . Design a trigger that ensures that the phone number cannot be changed from a valid format to a null value.

A . Menus  B . Canvases  C . Object libraries  D . Visual attributes  E . Attached librarie

A .  No virtual links are allowed. B .  The area cannot be a backbone area. C .  Redistribution is not allowed unless the packet is changed to a type 7 packet. D .  The area has no more than 10 routers. E .  No autonomous system border routers are allowed. F .  Interarea routes are suppressed.

A .  public B .  private C .  protected D .  transient E .  default acce

A .  public B .  private C .  protected D .  transient E .  default acce

A .  Float foo = -1； B .  Float foo = 1.0； C .  Float foo = 42e1； D .  Float foo = 2.02f； E .  Float foo = 3.03d； F .  Float foo = 0x0123；

A . isolated mode B . switchport mode C . modular mode D . community mode E . promiscuous mode F . global mode

A . INSERT INTO employees VALUES ( NULL, ‘John’,‘Smith’); B . INSERT INTO employees( first_name, last_name) VALUES(‘John’,‘Smith’); C . INSERT INTO employees VALUES (‘1000’,‘John’,NULL); D . INSERT INTO employees(first_name,last_name, employee_id) VALUES ( 1000, ‘John’,‘Smith’); E . INSERT INTO employees (employee_id) VALUES (1000); F . INSERT INTO employees (employee_id, first_name, last_name) VALUES ( 1000, ‘John’,‘’)

A .  float foo = -1； B .  float foo = 1.0； C .  float foo = 42el： D .  float foo = 2.02f： E .  float foo = 3.03d：

A .  public class X { }  public class Y extends X { } B .  public interface Shape { }  public interface Rectangle extends Shape{ } C .  public interface Color { }  public class Shape { private Color color； } D .  public interface Species { }  public class Animal { private Species species； } E .  public class Person { }  public class Employee {  public Employee（Person person） { } F .  interface Component { }  class Container implements Component {  private Component[] children； }

A .  dial plans B .  dialed numbers C .  voice mail prompts D .  phone feature

A .  Public B .  Private C .  Protected D .  Transient E .  No access modifier is qualified.

A . HDLC B . Ethernet C . Token Ring D . PPP E . FDDI F . Frame Relay

A . Every three minutes. B . When a log switch occurs. C . When forces by an administrator. D . When a tablespace is taken offline normal. E . When the redo buffer is one-third full.