Network+ Chapter 11 Quiz
1. When using Frame Relay as the WAN technology, what does “committed
information rate” define?
a. The maximum amount of bandwidth that will ever be available
b. The minimum amount of bandwidth that will ever be available
c. The peak burst bandwidth capacity
d. The transfer rate where extra charges are levied
2. Packet switching allows ________________
a. single path usage
b. multiple path usage
c. dual path usage
d. redundant path usage
3. For which type of technology will a CSU/DSU be necessary?
a. ATM
b. Frame Relay
c. FDDI
d. SONET
4. When FDDI has been deployed in a WAN environment, what helps protect the
network from failure?
a. Dual counter rotating rings
b. Single ring with a minimum number of routers connected to it
c. Single counter-clockwise rotating ring
d. Multiple intertwined rings
5. Which of the following technologies uses the cell to reduce transmission overhead
and make failure recovery easier?
a. SONET
b. T-Carriers
c. ISDN
d. ATM
6. What device aggregates many signals into a single signal?
a. Router
b. Switch
c. Multiplexer
d. CSU/DSU
7. What is a collection of geographically distributed networks that are
interconnected called?
a. LAN
b. CAN
c. MAN
d. WAN
8. ISDN uses two types of channels for data transmission – B-Channels and DChannels. What purpose does the D-Channel serve?
a.
b.
c.
d.
Carries data
Carries control information
Carries voice signals
Does nothing
9. How many B-Channels and D-Channels does ISDN Primary Rate Interface
manage?
a. 2 Bs and 1 D
b. 1 B and 2 Ds
c. 1 B and 23 Ds
d. 23 Bs and 1 D
10. What is the maximum bandwidth capacity of a T1 line?
a. 1.544 Mbps
b. 10 Mbps
c. 45.544 Mbps
d. 100 Mbps