Which two commands would you use to discard a candidate configuration？（）

A. ReadX

B. Write AndX

C. Trans2 Query

D. Tree Disconnect

A. clear system login

B. boot -s

C. recovery

D. delete system root-authentication

A.A

B.B

C.C

D.D

A.user@router# ping 10.10.10.1

B. user@router# run ping 10.10.10.1

C. user@router＞ ping 10.10.10.1

D. user@router＞ request ping 10.10.10.1

A.traceroute

B. ipconfig

C. ifconfig

D. route

E. hostname

A. /SQL*Plus commands cannot be abbreviated.

B. /SQL*Plus commands are accesses from a browser.

C. /SQL*Plus commands are used to manipulate data in tables.

D. /SQL*Plus commands manipulate table definitions in the database.

E. /SQL*Plus is the Oracle proprietary interface for executing SQL statements.

A. request system software add

B. request system software downgrade

C. request system software replace

D. request system software rollback

A./SQL*Plus commands cannot be abbreviated.

B./SQL*Plus commands are accessed from a browser.

C./SQL*Plus commands are used to manipulate data in tables.

D./SQL*Plus commands manipulate table definitions in the database.

E./SQL*Plus is the Oracle proprietary interface for executing SQL statements.

A.show inventory

B.show flash：filesys

C.dirflash：include chassis

D.show diag

E.show controllers

A.show interfaces interface

B.show interfaces trunk

C.show interfaces switchport

D.show ip interface brief

E.show interfaces vlan