BSCI Exam Cram™ 2 (Exam 642-801)

Answer Key Explanations

Question 1

Answer C is correct. The Distribution layer is the consolidation point for Access layer devices. Security and QoS are often found at this layer. Answer B is incorrect because the Core layer features redundancy and the largest bandwidth connections. Answer A is incorrect because the Access layer is also known as the desktop layer. This layer features the devices that require access to the network. Answer D is incorrect because there is no Desktop layer in the Cisco Model.

Question 2

Answers A, C, and D are correct. The use of VLSM helps to eliminate IP address waste. For example, if only two IP addresses are needed for a point-to-point serial interface, an appropriate mask can be used that provides just two addresses. ...