... of Bridging and Switching translational bridging, that appear in mixed media networks, such as Ethernet, Token Ring, and FDDI However, since the CCNA exam focuses on transparent bridging, and ... 222934-9 / Chapter Bridging and Switching TWO-MINUTE DRILL Bridges and Switches ❑ With store -and- forward switching, the layer-2 device must pull the entire frame into port and check the CRC before ... following: ■ Store -and- forward ■ Cut-through ■ Fragment-free The following sections cover these three switching methods Store -and- Forward Store -and- forward switching is the most basic form of switching...