Scientists are eager to talk with other scientists working on similar problems．A．科学家热

A. Design 1 is a looped triangle design.

B. Design 2 is a looped triangle design.

C. Design 2 achieves quick convergence using RSTP.

D. Both designs supportstateful services at the aggregation layer.

E. Design 2 is the most widely deployed in enterprise data centers.

A、QR code is the trademark for a type of matrix barcode, first designed in America.

B、A QR code uses two standardized encoding modes to efficiently store data.

C、WFOE is short for “Wholly Foreign Owned Enterprise”.

D、B2C means business that sells products or provides services to end-user consumers.

E、A barcode is a machine-readable optical label that contains information about the item to which it is attached.

Which of the following statements is NOT true according to the speaker？

A．Managing Director is accountable to the Board.

B．Management Services Department is led by Mr. Bruce.

C．Regional Managers are responsible for the day-to-day management of their territory.

D．Each of the five regions is supported by two sections -- Marketing and Technical Services.

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

Which of the following statements is true about the Research and Development Department？

A．It is a department within the Marketing Division.

B．It has two laboratories, one at each production plant.

C．The head of this department is Bill Williamson.

A. Traffic is clear text

B. Traffic is encrypted

C. They are initiated by the LNS

D. They are initiated by the LAC

A、The two are both lexemes.

B、The two are both word forms.

C、The former is singular, while the latter is plural.

D、The former is a lexical morpheme, while the latter is an allomorph of the former.

Which of the following statements about Lake Nyos and Lake Monoun is true？

A．They were formed in 1984．

B．They are at the top of two active volcanoes．

C．They are not like most other crater lakes．

D．Water in them turns over regularly．

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.

Which of the following statements is not true？

A．The head of the church of England is the pope.

B．The Church of England is Protestant in nature.

C．The Church of England is divided into two pr6vinces: York and Canterbury.

D．Most English people believe in God and the Bible.