in Regular Expressions means

a) 0 or 1

b) 0 to infinity

c) 1 to infinity

d) Not

e) If

2. Which of the following matches regexp: a[bc]? (hint: the ? is part of the regular expression)

abc?

abbc

a

ab?

abc

3. Which of the following matches regexp: [A-Z](at)+[a-z]+

a) Batman

b) A-Zatata-za-za-za-z

c)Wat ner

d)Dr. Seuss

e)AatcrazZ

4. Which of the following matches: [a-z]+[\.\?!]

a) Hot.

b) a+?

c) !

d) hello?

e) all of the above

5. Which of the following is an example of unstructured data? (Select all that apply)

a) Raw text

b) Images

c) Spreadsheet tabular AP data

d) Relational databases

6. When conducting text mining analysis, you can count and calculate all of the following EXCEPT:

a) Total number of words

b) Total number of sentences

c) Lexical diversity

d) Negative words

e) Number of dictionaries

f) All of the above can be counted

7. In the COBOL code example, which of the following were indicative of potential fraud (Select all that apply)?

a) Fees set to zero for specific superintendents

b) Deep discounts included in the source code

c) Hard coded social security numbers

d) Duplicate vendors

e) Policy number hard coded