Free CompTIA Network+ N10-008 Practice Question

Cyclic Redundancy Check (CRC) errors are often indicative of issues related to Layer 1 of the OSI model, such as cabling problems. CRC errors are detection mechanisms that indicate data frame corruption, often due to noise on the line, faulty cabling, or a bad network interface card. In contrast, encapsulation errors would relate to Layer 2 issues, typically occurring when a frame is not completely or accurately encapsulated according to the expected protocol. Incorrect networking equipment usually refers to problems like using a switch when a router is needed, which would not directly cause CRC errors. A misconfigured device typically implies a software or Layer 3 problem, such as incorrect IP addressing or subnets, which also wouldn't result in CRC errors.