健康促进与健康教育有何不同？

A. Convergence time is fractionally slower than STP.

B. Broadcast and fault domains are increased.

C. IP address space is difficult to manage.

D. Fast uplink convergence is supported for failover and fallback.

A.The switchport belongs only to VLAN 2

B.Interface fa0/0 will be in both VLAN 1 (by default) and VLAN 2

C.The exhibit shows interface fa0/0 to be dynamically mapped to VLAN 2

D.A network host can be connected to this interface

Which of the following statements about ORACLE is (are) correct？

Ⅰ.ORACLE follows SQL standard

Ⅱ.ORACLE database defines two logical types: table and view

A．Ⅰonly

B．Ⅱ only

C．Ⅰ and Ⅱ

D．none of the above

A. The Adaptive Services PIC supports the Layer 3 service package by default.

B. The Adaptive Services PIC is required when using the secure shell to access an M-series router.

C. The Adaptive Services PIC can be configured for the Layer 2 and Layer 3 service packages simultaneously.

D. The Adaptive Services PIC can be configured for either the Layer 2 or the Layer 3 service package but not both at the same time.

Which of the following statements about West Nile virus is CORRECT？

A．It is mosquitoes that spread the virus.

B．Most people die in two weeks after contracting.

C．The highest number of cases occurred in 2004.

D．Staying away from crowds can provide good protection.

Which of the following statements is CORRECT about Lisa？

A．She is whom the man is speaking to.

B．She is the girl whom the man dated two years ago.

C．She is the girl who wrote this song.

D．She is a girl whose name appears in one of the man"s songs.

A、

B、

C、Both of these two types of field are conservative.

D、Both of these two types of field are produced by electric charges.

15 Which of the following statements about intangible assets are correct？

1 If certain criteria are met, research expenditure must be recognised as an intangible asset.

2 Goodwill may not be revalued upwards.

3 Internally generated goodwill should not be capitalised.

A 2 and 3 only

B 1 and 3 only

C 1 and 2 only

D All three statements are correct

●Which of the following statements about object oriented database is not correct？ (72) ．

(72) A．Each object has a unique object identify in the system

B．Encapsulation and inheritance are two important features of object oriented database

C．A subclass can inherit the attributes and methods of all its superclasses

D．A supereloss includes the attributes and methods at all subclasses

Which of the following statements about object oriented database is NOT correct ？

A．Each object has a unique object identity in the system

B．Encapsulation and inheritance are two important features of object oriented database

C．A subclass can inherit the attributes and methods of all its superclasses

D．A superclass includes the attributes and methods of all its subclasses