Перед покупкой посмотрите обязательно на названия работ.
1.4.4.3 Lab - Researching IT and Networking Job Opportunities
3.4.1.2 Lab - Using Wireshark to View Network Traffic
5.3.2.8 Packet Tracer - Examine the ARP Table
6.5.1.2 Lab - Building a Switch and Router Network
7.1.2.8 Lab - Using the Windows Calculator with Network Addresses
8.2.1.5 Lab - Designing and Implementing a VLSM Addressing Scheme
9.2.3.5 Lab - Using Wireshark to Examine a UDP DNS Capture