Solaris™ 8 Network Administrator Certification Training Guide

CHAPTER 1

1: Which of these network devices operate on the Data Link layer of the OSI reference network model? Choose all that apply. Repeater Router Bridge Switch A1: C, D. The repeater works on the Physical layer, whereas the router covers the first three layers (Physical, Data Link, Network). 2: Which one of the following covers all layers of the OSI model? Gateway Router Switch Hub A2: A. The hub works on the Physical layer level. The switch covers the first two layers of the OSI model. The router covers the first three layers of the OSI model. Gateway covers all layers. 3: Which of the following is not true about wide area networks? These networks span over a large geographic area. These are low-speed networks as compared to local area networks. ...