That vs. which

Which is correct?
Continuous data protection offers recovery options _______ are simply not possible with a traditional backup system.
a. that
b. which

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neither has or neither have?

Which is correct? Neither of the netbooks _____ enough computing power for my purposes. a. has b. have

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Nevermind or never mind?

Which is correct?
Travelers at Pearson were told to expect eight-hour waits for U.S. customs alone, _________ subsequent security checks.
a. never mind
b. nevermind

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Ordering adjectives

Which is correct?
Although cellular wireless routers have been available for years, they are ___________________ devices.
a. ugly, big metal devices
b. big, ugly metal devices

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The plural of “OS”

Which is correct?
Running only Web apps is expected to make Chrome more secure than other ______.
a. OS’s
b. OSes
c. OSs

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One in five has or one in five have?

Which is correct?

One in five computers ___ a fatal hard drive crash during its life span.
a. has
b. have

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Is that option pre-installed?

Which is correct?

You may be able to restore your computer to a previous, functional status if it came with a recovery utility _________.
a. pre-installed
b. installed

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Bane (or bain) of my existence?

Which is correct?

Inefficient use of bandwidth is the _____ of the network administrator’s existence.
a. bane
b. bain

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Is that network insecure or unsecure?

Which is correct?
The bottom line seems to be that you can’t browse securely on an ________ network.
a. insecure
b. unsecure

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Ensure or insure?

Which is correct?
A security policy should stipulate requirements for each department to _______ that confidential information and technologies are not compromised.
a. insure
b. ensure

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