Schiller International University Information Technology Exercise

1)The biggest factor in Networking Technologies over the past 20 years has been _____________

2)The fundamental purpose of a communications system is the _______________ between two parties.

3)______________ states that the power/value of a network increases in proportion to the square of the number of nodes on the network.

4)______________ gives higher data rates.

5)The least expensive and most widely used guided transmission medium is _____________.

6)The light source for optical fiber is supplied by a _______________________

7)The _____________ is the principal application of circuit switching.

8)A secure, encrypted tunnel established between two connections over an unsecure network is known as a _________________.

9)The two techniques used in circuit switching are called ______________________________.

10)VoIP is the transmission of speech across IP-based network. VoIP works by encoding voice information into a digital format, which can be carried across IP networks in discrete packets. VoIP has two main advantages over traditional telephony. Describe these two advantages.