[多项选择]When comparing and contrasting the similarities and differences between bridges and switches, which of the following are valid statements?（）
A. Bridges are faster than switches because they have fewer ports.
B. A switch is a multiport bridge,
C. Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.
D. A bridge will forward a broadcast but a switch will not.
E. Bridges and switches increase the size of a collision domain.
F. None of the above statements are true.

[单项选择]When comparing DSL broadband to cable broadband, which of the following is an advantage ofDSL broadband?（）
A. Upgraded copper lines allow maximum speed greater than cable
B. Signal is not shared back to the switch
C. Signal is shared back to the switch
D. Distance is not a factor in signal speed

[单项选择]When comparing analog display inputs to digital display inputs, which of the following is anadvantage that digital has over analog?（）
A. Allows for higher brightness
B. More crosstalk
C. Sustains higher resolutions
D. Supports widescreen resolutions

[单项选择]When comparing java.io.BufferedWriter to java.io.FileWriter， which capability exists as a method in only one of the two？（） 
A.  closing the stream
B.  flushing the stream
C.  writing to the stream
D.  marking a location in the stream
E.  writing a line separator to the stream

[单项选择] When comparing capacity-to-capacity， the IBM Rear Door Heat eXchanger helps provide more advantages than other available thermal environment solutions， usually at a fraction of the cost.   Which of the following statements is NOT an advantage of the IBM Rear Door Heat eXchanger？ （）
A. The IBM Rear Door Heat eXchanger may dramatically unburden existing AC units by cooling the air before it exhausts from the electronics into the hot aisle.
B. The IBM Rear Door Heat eXchanger is a "hang， plug， and run" design so the units may be added quickly.
C. The IBM Rear Door Heat eXchanger is equipped with two fans to help maintain water temperature at 18C （64.4F） and provide even air flow.
D. The IBM Rear Door Heat eXchanger is designed to support a 42U rack.

[多项选择]When comparing CPE and provider-provisioned VPNs （PPVPN）， which two statements are true？（）
A. CPE VPN’s require dedicated VPN aware hardware at customer site， PPVPN does not.
B. PPVPN’s require dedicated VPN aware hardware at customer site， CPE VPN’s does not.
C. CPE VPN’s scale better than PPVPN’s as they do not require a per site configuration on the CPE
D. PPVPN’s scale better than CPE VPN’s as they do not require a per site configuration on the CPE

[单项选择]Both heroines share the following similarities EXCEPT that______.
A. they are very talented and independent women
B. they become too disabled to pursue their dreams
C. they are murdered by their primary male companions
D. they live a life of utter physicality

[单项选择]Contrasting to the first round election, the run-off election
A. experienced more violence
B. were rejected by some voters
C. went through more smoothly
D. were controlled by General Rios Montt

[单项选择]______, there are more similarities between various people of the world than there are differences.
A. High and low
B. Now and again
C. Up and about
D. By. and large

[单项选择]By comparing past problems with present ones, the author draws attention to the ______.
A. significance of this crisis
B. inadequacy of governments
C. similarity of the past to the present
D. hopelessness of the situation

[单项选择]In comparing French and English education, the author indicates that ______.
A. the main differences are in the children
B. the French child needs far more training
C. a great deal can be learnt by both countries
D. differences should not be looked for only in the methods

[单项选择]By comparing the culture to the director, the author purports to__________
A. stress the significance of culture
B. show the indispensable role of culture
C. describe the dominant effect of culture
D. illustrate the subtle influence of culture

[单项选择]Comparing the time scales between many flu epidemics, scientists can ______ when another one might happen.
A. determine
B. anticipate
C. predict
D. assure

[单项选择]Comparing the painter who paints a broken leg with the one who paints a lake in moon light, we can draw the conclusion that
A. both convey the same meaning
B. both try to show us something and tell us something
C. the latter is more meaningful
D. the former is more meaningful

[单项选择]When installing a new PCIe network card, when should manufacturer software and drivers beinstalled?（）
A. Before inserting the PCIe network card in the case
B. After inserting the new PCIe network card in the case
C. They will be automatically loaded after installation
D. Load them concurrently with the PCIe network card

[单项选择]Iron and steel expands when heated and ______ when cooled.
A. shrinks
B. contracts
C. condenses
D. compresses

[单项选择]When will he come again When he______, I'll let you know.

[单项选择]—When will he come again —When he ______, I'll let you know.