Answer:
There is an error in "String s=s1-s2 ";
Explanation:
In java programming, we can subtract subtract two strings variable with "-" operator.Java programming does not support an overload of the '-' operator.In java, we can use only "+" operator to append two strings variable.There is no such method to subtract strings in java.Therefore in the given code String s=s1-s2 will give an "bad operand type" error because we can not subtract one string variable from the second string variable.
For 1.
Positive correlation means if you plot a country's population and land size on a graph. There would be a linear regression line that's sloping upwards.
Since it's a scatterplot, there will be some that fall out of the line, but most of them should be on the line.
It's (A)
For 2.
An outlier is a datapoint that's far, FAR away from the others, so it's (B)
For 3. (A), it's a single line-of-best fit that runs through the middle of the cluster of data points.
A correlation is a consistent relationship between two or more variables. It relates to our tendency to draw causation from mere correlation.
Answer:
A dictonary attack.
Explanation:
Dictionaries hold many words that can be downloaded and used. Word or name passwords are usually just one word or maybe two. In other words, predefined words being used as a password? Not safe. When someone attempts to crack it, they use brute force attacks. Among these are dictionary attacks, which focus on the actual words rather than numbers.
Answer:
The best answer is "B"
xfs_fsr
Explanation:
The is a typical format of the command to use:
xfs_metadump -o /dev/sdb1 /reviewxfs
