An engineer connects a spectrum analyzer to a coax cable to check for electromagnetic interference. What OSI layer is being analyzed?
Answers
ATransport
BNetwork
CData Link
DPhysical
Correct answer: D — Physical
Objective 1.1: The Physical layer (Layer 1) deals with signaling, cables, and interference. Data Link is frames, Network is packets.
MIFOTRA exam practicealigned to CompTIA Network+ N10-009·1 mark·Easy