Question 1

____ are permanent direct connections between two specified points.

Accepted Answer

A)  Tie lines 
B)  PBXs 
C)  Centrex 
D)  IPX

Question 2

There is only one DSL format in use today.

Accepted Answer

A) True 
 B)False

Question 3

The ____ allows the customer to exceed the committed information rate by a fixed amount for brief moments of time.

Accepted Answer

A)  bit rate 
B)  burst rate 
C)  committed information rate (CIR) 
D)  LATA rate

Question 4

A real-time interactive application is one of the most demanding with respect to data transmission rate and network throughput.

Accepted Answer

A) True 
 B)False

Question 5

ATM transfer rates are as fast as 311 Mbps.

Accepted Answer

A) True 
 B)False

Question 6

A(n)____ connection has a faster downstream transmission speed than its upstream speed.

Accepted Answer

A)  symmetric 
B)  static 
C)  asymmetric 
D)  dynamic

Question 7

_______________ is the term for the convergence of real-time and non-real-time communications services such as telephony,instant messaging,video conferencing,speech recognition,voice mail,and email into a single interface.

Accepted Answer

A)  Big Bundle 
B)  AT&T 
C)  Unified communications 
D)  Frame relay

Question 8

Prior to 1984,AT&T (American Telephone and Telegraph)owned all the long-distance telephone lines in the United States.

Accepted Answer

A) True 
 B)False

Question 9

Because DSL is an always-on connection,it uses a ____ circuit instead of a switched circuit.

Accepted Answer

A)  changing 
B)  dynamic 
C)  virtual 
D)  permanent

Question 10

The permanent connection in a frame realy network that is necessary to transfer data between two endpoints is called a(n)___________________________________.

Accepted Answer

The answer of The permanent connection in a frame realy...

Question 11

The ______________________________ paved the way for anybody to offer a local telephone service to homes and businesses.

Accepted Answer

The answer of The ______________________________ paved the way for anybody...

Question 12

DSL and cable modems are more expensive than frame relay systems at comparable speeds.

Accepted Answer

A) True 
 B)False

Question 13

____________________ is a slower format compared to ADSL; also known as Universal DSL,G.Lite,and splitterless DSL.

Accepted Answer

The answer of ____________________ is a slower format compared to...

Question 14

A(n)____ is a service from local telephone companies in which up-to-date telephone facilities at the telephone company's central (local)office are offered to business users,so that they don't need to purchase their own facilities.

Accepted Answer

A)  local exchange carriers (LECs) 
B)  central office exchange service 
C)  interexchange carriers (IECs or IXCs) 
D)  private branch exchange (PBXs)

Question 15

A(n)____ handles all in-house calls and places calls onto outside telephone lines.

Accepted Answer

A)  local exchange carriers (LECs) 
B)  local access transport area (LAT
A)  
C)  interexchange carriers (IECs or IXCs) 
D)  private branch exchange (PBXs)

Question 16

____________________ lines and tie lines are leased telephone lines that require no dialing.

Accepted Answer

The answer of ____________________ lines and tie lines are leased...

Question 17

____ means that users have the ability to control a call-for example,set up a conference call-without being a part of it.

Accepted Answer

A)  Third-party call control 
B)  Unified messaging 
C)  Fax-back 
D)  Integrated voice recognition and response

Exam 11: Voice and Data Delivery Networks

____ are permanent direct connections between two specified points.

There is only one DSL format in use today.

The ____ allows the customer to exceed the committed information rate by a fixed amount for brief moments of time.

A real-time interactive application is one of the most demanding with respect to data transmission rate and network throughput.

ATM transfer rates are as fast as 311 Mbps.

A(n) ____ connection has a faster downstream transmission speed than its upstream speed.

_______________ is the term for the convergence of real-time and non-real-time communications services such as telephony,instant messaging,video conferencing,speech recognition,voice mail,and email into a single interface.

Prior to 1984,AT&T (American Telephone and Telegraph)owned all the long-distance telephone lines in the United States.

Because DSL is an always-on connection,it uses a ____ circuit instead of a switched circuit.

The permanent connection in a frame realy network that is necessary to transfer data between two endpoints is called a(n)___________________________________.

The ______________________________ paved the way for anybody to offer a local telephone service to homes and businesses.

DSL and cable modems are more expensive than frame relay systems at comparable speeds.

____________________ is a slower format compared to ADSL; also known as Universal DSL,G.Lite,and splitterless DSL.

A(n) ____ is a service from local telephone companies in which up-to-date telephone facilities at the telephone company's central (local) office are offered to business users,so that they don't need to purchase their own facilities.

A(n) ____ handles all in-house calls and places calls onto outside telephone lines.

____________________ lines and tie lines are leased telephone lines that require no dialing.

____ means that users have the ability to control a call-for example,set up a conference call-without being a part of it.