Given the 6-node network map shown below and the least cost table, what are the 5 links in the least-cost routing tree that router u will use based on the tree? Your answer should be in "a-b, a-c, c-e"... format d. 4 3 step N' D(v),p(v) D(w),p(w) D(x),p(x) D(y),p(y) D(z),p(z) 11,w 11,w 11,w 11,w 8,w 8,w 9,w uw uwv uwvx uwvx uX 9,w Five links in least-cost routing tree