Which of the following statements is TRUE? (Choose 2)

a. Client-server networks can easily scale, which might require the purchase of additional client licenses.

b. Client-server networks can cost more than peer-to-peer networks. For example, client-server networks might require the purchase of dedicated server hardware and a network OS with an appropriate number of licenses.

c. Peer-to-peer networks typically cost more than client-server networks because there is no requirement for dedicated server resources or advanced NOS software.

d. Client-server networks can easily scale, which might require the purchase of additional client licenses.