Information Technology Reference
In-Depth Information
What does synchronization do?
29
a. Provides timing information between sender and receiver; used in circuit-switched
networks
b. Provides timing information between sender and receiver; used in packet switched
networks
c. Provides timing information between sender and receiver; used by IP networks
d. Provides timing information between sender and receiver; used in frame relay
networks
What is SONET and on which OSI layer is it defined?
30
a. Symmetric Optical Network, physical layer
b. Synchronous Optical Network, Physical layer
c. Symmetric Optical Network, data-link layer
d. Synchronous Optical Network, data-link Layer
What does RFC 2427 define?
31
a. Multiprotocol connectivity over Frame Relay
b. IP connectivity over ATM
c. Multiprotocol connectivity over ATM
d. IP connectivity over PPP
What is the bandwidth capability of an ISDN B channel?
32
a. 56 kbps
b. 64 kbps
c. 128 kbps
d. 16 kbps
Where does the U reference point reside in the ISDN architecture?
33
a. Between the NT2 and the NT1
b. Between the TA and the TE2
c. Between the NT1 and the LE
d. Between the TE1 and the TA
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