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Exercise: Punctuation: End punctuation 1 (autoscored)

In each of the following pairs, select the sentence that uses correct end punctuation.

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Click Submit after each question to see feedback and to record your answer. If your instructor has assigned this exercise set, you must answer every question before your answers will be submitted to the gradebook.

Computer hackers use their understanding of computer programs to enter protected electronic sites!

Computer hackers use their understanding of computer programs to enter protected electronic sites.

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Protecting sensitive information from hacking is a priority not only for financial institutions but also for government agencies such as the FBI and CIA.

Protecting sensitive information from hacking is a priority not only for financial institutions but also for government agencies such as the FBI and C.I.A.

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Since many hackers are excellent programmers, many legitimate businesses wonder what they can do to get hackers to work for them rather than against them?

Since many hackers are excellent programmers, many legitimate businesses wonder what they can do to get hackers to work for them rather than against them.

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Companies that make computer security products sometimes sponsor hacking contests.

Companies that make computer security products sometimes sponsor hacking contests!

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Can hackers be enticed to try to defeat software that protects sensitive sites.

Can hackers be enticed to try to defeat software that protects sensitive sites?

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With cash prizes of thousands of dollars, many young hackers find the challenge irresistible.

With cash prizes of thousands of dollars, many young hackers find the challenge irresistible!

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“If my computer security software is vulnerable to hackers, why shouldn’t I want to know about it in advance?” mused an executive from an online company.

“If my computer security software is vulnerable to hackers, why shouldn’t I want to know about it in advance,” mused an executive from an online company?

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“On the other hand, if hackers cannot get past the software, then I feel confident that my site is secure,” continued the C.E.O..

“On the other hand, if hackers cannot get past the software, then I feel confident that my site is secure,” continued the C.E.O.

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Experienced hackers wonder whether the contests, which require winners to divulge their secrets, are worth entering?

Experienced hackers wonder whether the contests, which require winners to divulge their secrets, are worth entering.

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“Never show your opponent your hand,” barked one veteran hacker who declines to enter sponsored hacking contests!

“Never show your opponent your hand!” barked one veteran hacker who declines to enter sponsored hacking contests.