data communications + networking - midterm short answer Questions and answers

data communications + networking - midterm short answer Questions and answers List one reason and your explanation on what might prevent wireless from being used extensively in an enterprise? security risks slower bandwidththan wired (DNS issues, should not affect download speeds once connection is established) attenuation, interference from metal or noise What are some common problems that would fall under certain specific OSI (Open System Interconnection) layers? 1) Application Layer: corruption of applications, DNS issues 2) Presentation Layer: receiving app data in the wrong format, faulty encryption/decryption 3) Session Layer: hijacking 4) Transport Layer: packet loss, blocked ports 5) Network Layer: Router could die or run into problems, subnet mask errors 6) Data-link Layer: MAC addressing, collisions, duplex errors 7) Physical Layer: most common problems. The most common anyways. damag