Pick the correct statements for the attached directed graph for a toy world wide web. 1. There are exactly six columns having a 1 as an entry. 2. If a new edge from node I to F is added, the resulting...

Pick the correct statements for the attached directed graph for a toy world wide web.

1. There are exactly six columns having a 1 as an entry.

2. If a new edge from node I to F is added, the resulting graph is strongly connected.

3. The smallest non-zero element in the link matrix is 1/4.

4. The link matrix Q has a column of all zeros.

5. The link matrix is a reducible matrix.