[单项选择]Which of the following statements best describes a laser
A. A device for stimulating atoms and molecules to emit light.
B. An atom in a high-energy state.
C. A technique for destroying atoms or molecules.
D. An instrument for measuring light waves.

[单项选择]Which of the following statements best describes a laser
A. A device for stimulating atoms and molecules to emit light.
B. An atom in a high-energy state.
C. A technique for destroying atoms or molecules.
D. An instrument for measuring light waves.

[单项选择]Which of the following statements best describes the relationship between a logical volume and a journaled file system (JFS)?（）
A. Increasing the size of a logical volume also increases the size of the file system
B. Reducing the size of a logical volume requires reducing the size of the file system first
C. Increasing the size of a file system requires increasing the size of the logical volume first
D. Increasing the size of a file system also increases the size of the logical volume when necessary

[单项选择]Which of the following describes the BEST course of action when a user continuously calls atechnician with computer issues instead of the helpdesk?（）
A. Put all other work orders on hold and assist the user with all their computer issues.
B. Have another technician take over support calls for this user.
C. Explain that the user needs to fill out a work order for the computer problems.
D. Ask the user to call another technician for more in-depth assistance.

[单项选择]Which of the following describes the BEST use of historical records from previous projects ？（）
A. Estimating，life cycle costing and project plannin
B. Risk management，estimating and creating lessons learne
C. Project management planning，estimating and creating a status repor
D. Estimating，risk management and project plannin

[多项选择]Which two statements best describes the role of a router on a broadcast domain?（）
A. Routers facilitate communications within a broadcast domain.
B. Routers facilitate communications between broadcast domains.
C. Routers are used to break up broadcast domains into separate networks.
D. Routers are used to connect small broadcast domains and form larger more efficient broadcast domains

[单项选择]Which of these statements best describes VPLS?（）
A. Neither broadcast nor multicast traffic is ever flooded in VPLS.
B. Multicast traffic is flooded but broadcast traffic is not flooded in VPLS.
C. VPLS emulates an Ethernet switch, with eachEMS being analogous to a VLAN.
D. Because U-PE devices act as IEEE 802.1 devices, the VPLS core must use STP.
E. When the provider experiences an outage, IP re-routing restores PW connectivity and MAC relearning is needed.

[单项选择]Which of the following statements describes the life efficial women it the U. S.
A. They do not have many choices but to be trapped in the sex industry.
B. They choose prostitution as their occupation of their own accord.
C. They are discriminated against for lack of education.
D. They are isolated from the mainstream black community.

[单项选择]Which of the following statements would best serve as an introduction to the passage
A. (A) It is easy to see why the confusion of skepticism with relativism, or of justification with truth, is rationally so debilitating.
B. (B) The presumption that genuine truth is possible without a measure of justification is a most mischievous error.
C. (C) If scientists would stop lauding scientific rationality in the face of reason, irrationalism would be less popular.
D. (D) Scientific hypotheses are not untrustworthy or unreliable except in the sense of being sometimes false.
E. (E) Faced with their detractors, scientists characteristically retort that science, unlike witchcraft, works.

[单项选择]Which of the following statements is best supported by the last paragraph
A. Men keep their innermost feelings to themselves.
B. Women are more serious than men about marriage.
C. Men often take sudden action to end their marriage.
D. Women depend on others in making decisions.