[单项选择]Either you or the headmaster（）the prizes to those gifted students at the meeting
A. is handing out
B. are to hand out 
C. are handing out
D. is to hand out

[单项选择]You need to display the last names of those employees who have the letter “A” as the second character in their names.Which SQL statement displays the required results?（）
A. SELECT last_name   FROM EMP   WHERE last_name LIKE ‘_A%’;
B. SELECT last_name   FROM EMP   WHERE last name =’*A%’
C. SELECT last_name   FROM EMP   WHERE last name =’_A%’;
D. SELECT last_name   FROM EMP   WHERE last name LIKE ‘*A%’

[单项选择]－Hello, may I talk to the headmaster now?－（）
A. Sorry, you can’t
B. No, you can’t
C. sorry, he is busy at the moment

[单项选择]Who were those toolmakers
A. Neanderthals.
B. Modern humans.
C. Archaeologists.
D. Not determined.

[单项选择]Which profile configurations allows either PAP or CHAP to be used for authentication?（）
A. ppp authentication chap pap
B. pppoe authentication chap pap
C. ppp authentication chap ppp authentication pap
D. pppoe authentication chap pppoe authentication pap

[单项选择] Exports are either raw materials or manufactured goods. Raw materials are products of the land， such as cotton， timber or rubber. Some raw materials， such as iron ore， come from mines. These raw materials are often exported by the countries that produce them to other countries where they are made into manufactured goods. Some countries produce food for export， for example， meat， sugar， or cereals such as wheat and maize. These countries are agricultural countries. An agricultural country needs fertile land and a good climate. A cold， dry climate is not suitable for agriculture. A country which produces manufactured goods is known as an industrialized country. An industrialized country cannot always produce enough food for its own needs. In this case， it does not export foodstuffs. Instead it has to import them. It relies on exports of manufactured products and pays for imports with the money it earns from the exported goods. From the first sentence of the passage we can know that there are（）kinds of exports.
A. two
B. three
C. four

[单项选择]The separate supplies are connected in either star or delta formationThe star formation is most commonly used and requires（） slip-rings on the alternator.
A. two
B. three
C. four
D. five

[多项选择]Which of the following answers lists either a protocol or function that can be used by a host to dynamically learn its own IPv6 address?（）
A. Stateful DHCP
B. Stateless DHCP
C. Stateless autoconfiguration
D. Neighbor Discovery Protocol

[单项选择]Which configuration option can be set either in the initial console menu or the Admin UI of the Infranet Controller? （）
A. VLAN ID
B. Hostname
C. Domain name
D. Administrative timeout

[多项选择]Which of the following can either directly or indirec tly identify all the interfaces for which both 1) OSPF has been enabled and 2) OSPF is not passive?（）
A. show ip ospf database
B. show ip ospf interface brief
C. show ip protocols
D. show ip route ospf
E. show ip ospf neighbors

[多项选择]To set the history retention period for either window logging or job logging individually, which parameters of the SET_SCHEDULER_ATTRIBUTE procedure need to be used?（）
A. LOG_HISTORY
B. JOB_LOG_RETENTION
C. WINDOW_LOG_RETENTION
D. WHICH_LOG
E. LOG_NAME

[单项选择]Where tanks are arranged for either oil or ballast （） must be fitted in the pipe so that only the ballast main or the oil transfer main connected to the tank.
A. a sea water chest
B. a change-over chest
C. a buffer tank
D. a three-way valve