#1. A(n) ____________ monitors and controls all traffic between the internet and an intranet to restrict access.

1) Private exchange

2) Firewall

3) Encryption

4) Sniffer

5) Password

#2. When a business needs to make a complex purchase. It is most likely to form a buying center during the ___ stage of the business buying decision process

1) Problem recognition

2) Vendor analysis

3) Information search

4) Supplier selecting

5) Alternative evaluation