IT 380 A+: EXAM. CHAPTER 7 & 8. ENGAGING THE LATEST
UPDATE OF QUESTIONS AND ANSWERS.
Which of the following are characteristics of MLPS?(Select Two)
Adds labels to data units, Supports variable-length data units
Which of the following is WAN technology that allows for interoperability of
vendor hardware for fiber optic networking?
SONET
Which type of network establishes a dedicated connection between two hosts
who need to communicate on the network, not allowing any other host to use the
medium until the communication is complete?
Circuit-switched
Which of the following terms identifies the network of dial-up telephone and the
long-distance lines?
PSTN
Which of the following are characteristics of ATM?(Select Two)
Uses fixed-length cells of 53-bytes
If the SONET (OC-1) base data rate is 51.84 Mbps, how much data can the Optical
Carrier level 12 (OC-12) transfer in one second?
622.08 Mb
You have a site in your network that is connected to multiple other sites. A single
virtual circuit is used to connect to all other sites.
Point-to-multipoint
What must install between your network and a T1 line for your network to use the
T1 line?
CSU/DSU
Which of the following describes the lines used in local loop for dial-up telephone
access?
POTS
,Which type of network divides data to be transmitted into small units and routes
these units from the originating system to the destination system, allowing
multiple, concurrent communications on the network medium?
Packet-switched
What is the speed of an OC-3 connection?
155 mbps
Which of the following correctly describes the T1 carrier system?(select two)
A single T1 channel can transfer data at 64 Kbps, T1 lines use pairs of copper wire
You are implementing Internet connectivity for a new start-up company. Your
client will provide on-line storefronts for retailers. To do this, they have calculated
that their Internet connection must provide a data rate of at least 20 - 30 Mbps.
Which type of service should you implement?
T3
Which of the following technologies uses variable-length packets and adds labels
to packets as they enter the WAN cloud, with the labels being used to switch
packets and prioritize traffic?
MPLS
Which of the following are characteristics of SONET? (Select Two)
Transport protocol used for other traffic types, dual counter-rotating fiber optic rings
You have a series of WAN links that connects your site to multiple other sites.
Each remote site is connected to your site using a dedicated link What type of
connection is being used?
Point-to-point
Which of the following devices is used on a WAN to convert synchronous serial
signals into digital signals?
CSU/DSU
You are traveling throughout North America to many metropolitan and rural
areas. Which single form of Internet connectivity provides the greatest potential
connectivity wherever you travel?
PSTN
, Which of the following is the most susceptible to interference related to
atmospheric conditions?
Satellite
Which of the following services are available regardless of whether the telephone
company network is available?
Cable modem
What is the maximum data rate of an ISDN BRI line?
128 Kbps
Which of the following are characteristics of VDSL? (Select Two)
Unequal download and upload speeds, Supports both data and voice at the same time
Which of the following is a characteristic of SDSL?
Supports data traffic only (no voice)
Which of the following Internet connection technologies requires that the location
be within a limited distance of the telephone company central office?
DSL
Which two of the following describe the channels and the data transfer rates used
for ISDN BRI(Select Two)
One D channel operating at 16 Kbps, Two B channels operating at 64 Kbps each
To access the Internet through the PSTN, what kind of connectivity device must
you use?
Modem
Which of the following Internet services provides equal upload and download
bandwidth?
SDSL
Which WAN connection types use digital communications over POTS?(Select
two)
ISDN, DSL
A healthcare organization provides mobile clinics throughout the world. Which
network technology should you select to transfer patient statistical data to a
central database via the Internet to ensure network connectivity for any clinic
located anywhere in the world, even remote areas?
UPDATE OF QUESTIONS AND ANSWERS.
Which of the following are characteristics of MLPS?(Select Two)
Adds labels to data units, Supports variable-length data units
Which of the following is WAN technology that allows for interoperability of
vendor hardware for fiber optic networking?
SONET
Which type of network establishes a dedicated connection between two hosts
who need to communicate on the network, not allowing any other host to use the
medium until the communication is complete?
Circuit-switched
Which of the following terms identifies the network of dial-up telephone and the
long-distance lines?
PSTN
Which of the following are characteristics of ATM?(Select Two)
Uses fixed-length cells of 53-bytes
If the SONET (OC-1) base data rate is 51.84 Mbps, how much data can the Optical
Carrier level 12 (OC-12) transfer in one second?
622.08 Mb
You have a site in your network that is connected to multiple other sites. A single
virtual circuit is used to connect to all other sites.
Point-to-multipoint
What must install between your network and a T1 line for your network to use the
T1 line?
CSU/DSU
Which of the following describes the lines used in local loop for dial-up telephone
access?
POTS
,Which type of network divides data to be transmitted into small units and routes
these units from the originating system to the destination system, allowing
multiple, concurrent communications on the network medium?
Packet-switched
What is the speed of an OC-3 connection?
155 mbps
Which of the following correctly describes the T1 carrier system?(select two)
A single T1 channel can transfer data at 64 Kbps, T1 lines use pairs of copper wire
You are implementing Internet connectivity for a new start-up company. Your
client will provide on-line storefronts for retailers. To do this, they have calculated
that their Internet connection must provide a data rate of at least 20 - 30 Mbps.
Which type of service should you implement?
T3
Which of the following technologies uses variable-length packets and adds labels
to packets as they enter the WAN cloud, with the labels being used to switch
packets and prioritize traffic?
MPLS
Which of the following are characteristics of SONET? (Select Two)
Transport protocol used for other traffic types, dual counter-rotating fiber optic rings
You have a series of WAN links that connects your site to multiple other sites.
Each remote site is connected to your site using a dedicated link What type of
connection is being used?
Point-to-point
Which of the following devices is used on a WAN to convert synchronous serial
signals into digital signals?
CSU/DSU
You are traveling throughout North America to many metropolitan and rural
areas. Which single form of Internet connectivity provides the greatest potential
connectivity wherever you travel?
PSTN
, Which of the following is the most susceptible to interference related to
atmospheric conditions?
Satellite
Which of the following services are available regardless of whether the telephone
company network is available?
Cable modem
What is the maximum data rate of an ISDN BRI line?
128 Kbps
Which of the following are characteristics of VDSL? (Select Two)
Unequal download and upload speeds, Supports both data and voice at the same time
Which of the following is a characteristic of SDSL?
Supports data traffic only (no voice)
Which of the following Internet connection technologies requires that the location
be within a limited distance of the telephone company central office?
DSL
Which two of the following describe the channels and the data transfer rates used
for ISDN BRI(Select Two)
One D channel operating at 16 Kbps, Two B channels operating at 64 Kbps each
To access the Internet through the PSTN, what kind of connectivity device must
you use?
Modem
Which of the following Internet services provides equal upload and download
bandwidth?
SDSL
Which WAN connection types use digital communications over POTS?(Select
two)
ISDN, DSL
A healthcare organization provides mobile clinics throughout the world. Which
network technology should you select to transfer patient statistical data to a
central database via the Internet to ensure network connectivity for any clinic
located anywhere in the world, even remote areas?
