$q,$ provides a basic electronic mail transport facility.

A$)$ TELNET

B$)$ SNMP

C$)$ UDP

D$)$ SMTP

The $q,$ layer is concerned with the exchange of data between an end system and the network to which it is attached.

A$)$ internet

B$)$ physical

C$)$ host$-$to$-$host

D$)$ network access

The header format for TCP is a minimum of $q,$ octets

A$)16$

B$)8$

C$)20$

D$)160$

When signals at different frequencies share the same transmission medium the result may be $q,$ noise.

A$)$ crosstalk

B$)$ white

C$)$ intermodulation

D$)$ impulse

The $q,$ of a signal is the distance occupied by a single cycle.

A$)$ banawidth

B$)$ frequency

C$)$ wavelength

D$)$ amplitude

A reduction in strength is $q,$ A$)$ delay distortion

B$)$ attenuation

C$)$ pulsing

D$)$ interlacing

The transmission medium used for television distribution, long distance telephone transmission, and short run computer system links is

A$)$ coaxial cable

B$)$ unshielded twisted pair

C$)$ shielded twisted pair

D$)$ optical fiber