TestOut Network Pro Chapter 10 Exam
Questions and Answers
Which of the following devices is used on a WAN to convert synchronous serial signals
into digital signals? - Answer- CSU/DSU
Which of the following are the customer's responsibility to maintain? (Select two.) -
Answer- DTE
CPE
Which of the following describe the channels and data transfer rates used for ISDN
BRI? (Select two.) - Answer- One D channel operating at 16 Kbps.
Two B channels operating at 64 Kbps each.
Which of the following technologies uses variable-length packets, adds labels to
packets as they enter the WAN cloud, and uses the labels to switch packets and
prioritize traffic? - Answer- MPLS
What is the speed of an OC-3 connection? - Answer- 155 Mbps
Which network type divides transmitted data into smaller pieces and allows multiple
communications on the network medium? - Answer- Packet-switched
When implementing a Multiprotocol Label Switching (MPLS) WAN, which data unit is
managed by the routers at different sites? - Answer- Packets
Which of the following describes the lines used in a local loop for dial-up telephone
access? - Answer- POTS
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? - Answer- PSTN
Which of the following correctly describes the T1 carrier system? (Select two.) - Answer-
T1 lines use two pairs of copper wire.
A single T1 channel can transfer data at 64 Kbps.
Questions and Answers
Which of the following devices is used on a WAN to convert synchronous serial signals
into digital signals? - Answer- CSU/DSU
Which of the following are the customer's responsibility to maintain? (Select two.) -
Answer- DTE
CPE
Which of the following describe the channels and data transfer rates used for ISDN
BRI? (Select two.) - Answer- One D channel operating at 16 Kbps.
Two B channels operating at 64 Kbps each.
Which of the following technologies uses variable-length packets, adds labels to
packets as they enter the WAN cloud, and uses the labels to switch packets and
prioritize traffic? - Answer- MPLS
What is the speed of an OC-3 connection? - Answer- 155 Mbps
Which network type divides transmitted data into smaller pieces and allows multiple
communications on the network medium? - Answer- Packet-switched
When implementing a Multiprotocol Label Switching (MPLS) WAN, which data unit is
managed by the routers at different sites? - Answer- Packets
Which of the following describes the lines used in a local loop for dial-up telephone
access? - Answer- POTS
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? - Answer- PSTN
Which of the following correctly describes the T1 carrier system? (Select two.) - Answer-
T1 lines use two pairs of copper wire.
A single T1 channel can transfer data at 64 Kbps.