Question 1

Name two enhancements of DOCSIS 3.0 over non-DOCSIS compliant cable modems?

Accepted Answer

Support for IPv6 Support for IPTV combining multiple channels for faster speed encryption

Question 2

Which of the following is true about using software-based modems?

Accepted Answer

A)  they do not have a hardware UART 
B)  they use more memory and CPU cycles than hardware-based modems 
C)  the data pump is implemented as a software algorithm 
D)  they cannot transfer data as fast as hardware modems 
A)  they do not have a hardware UART 
B)  they use more memory and CPU cycles than hardware-based modems 
C)  the data pump is implemented as a software algorithm 
D)  they cannot transfer data as fast as hardware modems B

Question 3

Computers store data as a series of 1s and 0s represented by the presence or absence of _________.

Accepted Answer

voltage

Question 4

Data compression on modems is accomplished "on the fly" by using which of the following methods?

Accepted Answer

A)  PKZIP 
B)  LZJH 
C)  TAR-Z 
D)  TIFF 
A)  PKZIP 
B)  LZJH 
C)  TAR-Z 
D)  TIFF

Question 5

You have a Mac computer that you need to connect to the Internet. The only network connection available on the computer is a Bluetooth adapter. You are in range of a wi-fi hotspot that you have access to.What,if anything can you do to connect this computer to the Internet?

Accepted Answer

A)  Put the Bluetooth adapter in wi-fi mode and connect to the wi-fi hotspot 
B)  configure a Bluetooth DUN on the Mac to use your Bluetooth phone's Internet connection 
C)  create a DUN using Network and Sharing Center and connect to your Bluetooth phone 
D)  connect to a DSL modem using Bluetooth and use PPPoE to access the Internet 
A)  Put the Bluetooth adapter in wi-fi mode and connect to the wi-fi hotspot 
B)  configure a Bluetooth DUN on the Mac to use your Bluetooth phone's Internet connection 
C)  create a DUN using Network and Sharing Center and connect to your Bluetooth phone 
D)  connect to a DSL modem using Bluetooth and use PPPoE to access the Internet

Question 6

a hardware device that permits a computer to exchange digital data with another computer via an analog telephone line or dedicated connection

Accepted Answer

A) flow control 
B) cable modem 
C) synchronous communication 
D) data pump 
E) daemon
F)protocol
G)ADSL
H)Xon-Xoff
I)modem
J)asynchronous communication 
A) flow control 
B) cable modem 
C) synchronous communication 
D) data pump 
E) daemon
F)protocol
G)ADSL
H)Xon-Xoff
I)modem
J)asynchronous communication

Question 7

Mac OS X uses the Network Connection tool for configuring modems and other network connections.

Accepted Answer

A) True 
 B)False

Question 8

a hardware or software feature in modems that lets a receiving modem
communicate to the sending modem that it needs more time to process previously sent data

Accepted Answer

A) flow control 
B) cable modem 
C) synchronous communication 
D) data pump 
E) daemon
F)protocol
G)ADSL
H)Xon-Xoff
I)modem
J)asynchronous communication 
A) flow control 
B) cable modem 
C) synchronous communication 
D) data pump 
E) daemon
F)protocol
G)ADSL
H)Xon-Xoff
I)modem
J)asynchronous communication

Question 9

When accessing the Internet through a wi-fi connection,which of the following is NOT a suggested security measure you should follow?

Accepted Answer

A)  use MAC address filtering 
B)  disallow all incoming packets 
C)  disable SSID display 
D)  enable the firewall 
A)  use MAC address filtering 
B)  disallow all incoming packets 
C)  disable SSID display 
D)  enable the firewall

Question 10

What is a winmodem and what is a disadvantage of using one?

Accepted Answer

A winmodem implements some modem hardwar

Question 11

What is the difference between ADSL and SDSL?

Accepted Answer

ADSL uses asynchronous upstrea

Question 12

The Network and Sharing Center is used in Windows Vista and Windows 7 OSs to set up a dial-up connection.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following standards is used my modems for error checking?

Accepted Answer

A)  v.92bis 
B)  v.90 
C)  v.42 
D)  v.32bis 
A)  v.92bis 
B)  v.90 
C)  v.42 
D)  v.32bis

Question 14

Which of the following is true about cable modem connections.

Accepted Answer

A)  DOCSIS 3.0 combines multiple channels to increase speed 
B)  upstream data rates are always lower than downstream data rates 
C)  DOCSIS 3.0 provides added speed but not added security 
D)  your connection to the Internet through the cable provider is a dedicated line 
A)  DOCSIS 3.0 combines multiple channels to increase speed 
B)  upstream data rates are always lower than downstream data rates 
C)  DOCSIS 3.0 provides added speed but not added security 
D)  your connection to the Internet through the cable provider is a dedicated line

Question 15

You are configuring an analog modem for a point-of-sale device and are deciding which modulation protocol to choose. Which of the following is NOT one of your choices.

Accepted Answer

A)  V.44 
B)  V.90 
C)  V.34 
D)  V.92 
A)  V.44 
B)  V.90 
C)  V.34 
D)  V.92

Question 16

an internal,automatically running program,usually in UNIX/Linux,that serves a particular function such as routing e-mail to recipients

Accepted Answer

A) flow control 
B) cable modem 
C) synchronous communication 
D) data pump 
E) daemon
F)protocol
G)ADSL
H)Xon-Xoff
I)modem
J)asynchronous communication 
A) flow control 
B) cable modem 
C) synchronous communication 
D) data pump 
E) daemon
F)protocol
G)ADSL
H)Xon-Xoff
I)modem
J)asynchronous communication

Question 17

What command would you send a Hayes compatible modem if you wanted the modem to ignore incoming calls?

Accepted Answer

The answer of What command would you send a Hayes...

Question 18

The _______ is a component of a modem that reads in one byte of data,adds a start and stop bit and feeds the bits to the port.

Accepted Answer

The answer of The _______ is a component of a...

Question 19

You are researching the possibility of upgrading your analog modem to ISDN. Which of the following is true about ISDN modems and connections?

Accepted Answer

A)  you can only connect one device to an incoming line 
B)  the BRI has a data rate of 1.544 Mbps 
C)  ISDN works only on fiber optic lines 
D)  you can have a voice and data connection simultaneously 
A)  you can only connect one device to an incoming line 
B)  the BRI has a data rate of 1.544 Mbps 
C)  ISDN works only on fiber optic lines 
D)  you can have a voice and data connection simultaneously

Question 20

Briefly describe what a modem does.

Accepted Answer

A modem is a modulator/demodulator.It mo

Name two enhancements of DOCSIS 3.0 over non-DOCSIS compliant cable modems?

Which of the following is true about using software-based modems?

Computers store data as a series of 1s and 0s represented by the presence or absence of _________.

Data compression on modems is accomplished "on the fly" by using which of the following methods?

You have a Mac computer that you need to connect to the Internet. The only network connection available on the computer is a Bluetooth adapter. You are in range of a wi-fi hotspot that you have access to.What,if anything can you do to connect this computer to the Internet?

a hardware device that permits a computer to exchange digital data with another computer via an analog telephone line or dedicated connection

Mac OS X uses the Network Connection tool for configuring modems and other network connections.

a hardware or software feature in modems that lets a receiving modem communicate to the sending modem that it needs more time to process previously sent data

When accessing the Internet through a wi-fi connection,which of the following is NOT a suggested security measure you should follow?

What is a winmodem and what is a disadvantage of using one?

What is the difference between ADSL and SDSL?

The Network and Sharing Center is used in Windows Vista and Windows 7 OSs to set up a dial-up connection.

Which of the following standards is used my modems for error checking?

Which of the following is true about cable modem connections.

You are configuring an analog modem for a point-of-sale device and are deciding which modulation protocol to choose. Which of the following is NOT one of your choices.

an internal,automatically running program,usually in UNIX/Linux,that serves a particular function such as routing e-mail to recipients

What command would you send a Hayes compatible modem if you wanted the modem to ignore incoming calls?

The _______ is a component of a modem that reads in one byte of data,adds a start and stop bit and feeds the bits to the port.

You are researching the possibility of upgrading your analog modem to ISDN. Which of the following is true about ISDN modems and connections?

Briefly describe what a modem does.

Operating System Theory

Popular Operating Systems

Operating System Hardware Components

File Systems

Installing and Upgrading Operating Systems

Configuring Input and Output Devices

Using and Configuring Storage Devices

Network Connectivity

Resource Sharing Over a Network

Standard Operating and Maintenance Proceedures

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Exam 8: Modem and Other Remote Communications Devices

Name two enhancements of DOCSIS 3.0 over non-DOCSIS compliant cable modems?

Which of the following is true about using software-based modems?

Computers store data as a series of 1s and 0s represented by the presence or absence of _________.

Data compression on modems is accomplished "on the fly" by using which of the following methods?

You have a Mac computer that you need to connect to the Internet. The only network connection available on the computer is a Bluetooth adapter. You are in range of a wi-fi hotspot that you have access to.What,if anything can you do to connect this computer to the Internet?

a hardware device that permits a computer to exchange digital data with another computer via an analog telephone line or dedicated connection

Mac OS X uses the Network Connection tool for configuring modems and other network connections.

a hardware or software feature in modems that lets a receiving modem communicate to the sending modem that it needs more time to process previously sent data

When accessing the Internet through a wi-fi connection,which of the following is NOT a suggested security measure you should follow?

What is a winmodem and what is a disadvantage of using one?

What is the difference between ADSL and SDSL?

The Network and Sharing Center is used in Windows Vista and Windows 7 OSs to set up a dial-up connection.

Which of the following standards is used my modems for error checking?

Which of the following is true about cable modem connections.

You are configuring an analog modem for a point-of-sale device and are deciding which modulation protocol to choose. Which of the following is NOT one of your choices.

an internal,automatically running program,usually in UNIX/Linux,that serves a particular function such as routing e-mail to recipients

What command would you send a Hayes compatible modem if you wanted the modem to ignore incoming calls?

The _______ is a component of a modem that reads in one byte of data,adds a start and stop bit and feeds the bits to the port.

You are researching the possibility of upgrading your analog modem to ISDN. Which of the following is true about ISDN modems and connections?

Briefly describe what a modem does.

Operating System Theory

Popular Operating Systems

Operating System Hardware Components

File Systems

Installing and Upgrading Operating Systems

Configuring Input and Output Devices

Using and Configuring Storage Devices

Network Connectivity

Resource Sharing Over a Network

Standard Operating and Maintenance Proceedures

Filters