8.1 H5P answer sheet

Question 1

Dedicated-circuit networks are sometimes called ___________________

Answer 1

private line services

Question 2

A ___________ architecture connects all computers in a closed loop with each computer linked

Answer 2

ring

Question 3

One disadvantage of mesh architecture is that it uses _______________ routing — that is, each computer performs its own routing

Answer 3

decentralized

Question 4

The ___________ is the American standard for high-speed dedicated-circuit services

Answer 4

SONET (synchronous optical network)

Question 5

___________________ is the most susceptible architecture to traffic problems because the central computer must process all messages on the network

Answer 5

Star topology

Question 6

With a dedicated-circuit network, the user ____________ circuits from the common carrier for his _____________ use

Answer 6

leases…exclusive

Question 7

A common carrier that provides local telephone services is commonly called ___________________ whereas one that provides long-distance services is commonly called an ___________________

Answer 7

local exchange carrier (LEC)… interexchange carrier (IXC)

Question 8

___________________ are private companies that provide communication services to the public

Answer 8

Common carriers