多选题Which two statements are true about InnoDB auto-increment locking?（）AThe auto-increment lock can be a table-level lockBInnoDB never uses table-level locksCSome settings for innodb_autoinc_lock_mode can help reduce lockingDInnoDB always protects auto-in

第1题：

第2题：

By default, which two statements are true about export routing policies?（）

• A、Export policies can evaluate only active routes
• B、Export policies can evaluate all routes
• C、Export policies can be applied to the forwarding table
• D、Export policies can be applied directly to interfaces

第3题：

第4题：

Which two statements are true about InnoDB auto-increment locking?（）

• A、The auto-increment lock can be a table-level lock
• B、InnoDB never uses table-level locks
• C、Some settings for innodb_autoinc_lock_mode can help reduce locking
• D、InnoDB always protects auto-increment updates with a table-level lock

第5题：

By default, which two statements are true about export routing polices?（）

• A、Export polices can evaluate only active routes
• B、Export polices can evaluate all routes
• C、Export polices can be applied to the forwarding table
• D、Export polices can be applied to interfaces

第6题：

Which two statements are true about firewall filter configurations?（）

• A、Multiple action modifiers can be included in the same term.
• B、Only a single action modifier can be included in the same term.
• C、The default term within a firewall filter uses the discard action.
• D、The default term within a firewall filter uses the reject action.

第7题：

Which two statements about the Cisco Nexus 1000V VSM are true?（）

• A、It performs switching decisions and forwarding for the VEM
• B、It can be run on a virtual machine
• C、It can be used for remote VEM switching Iine cards

第8题：

第9题：

What is true regarding InnoDB locking?（）

• A、InnoDB uses row and table-level locks, but row locks are not escalates
• B、InnoDB locks only those rows that are updated
• C、InnoDB only uses row locks, not page or table-level locks
• D、InnoDB row locks may be escalated to page or table-level locks
• E、InnoDB uses row-level or table-level locks depending on the number of rows affected

第10题：

Which two statements are true regarding single row functions?（）

• A、They accept only a single argument 
• B、They can be nested only to two levels 
• C、Arguments can only be column values or constants 
• D、They always return a single result row for every row of a queried table 
• E、They can return a data type value different from the one that is referenced