Which of the following Layer 1 WAN technologies is not normally used as last mile service, but rather traverses multiple ISP networks, connecting these networks to the Internet backbone?
a. SONET (Synchronous Optical Network)
b. T-carrier (T1s, fractional T1s, and T3s)
c. Carrier-Ethernet Transport (CET)
d. digital subscriber line (DSL)
ANSWER: a
You might also like to view...
What is Phrasing content?
What will be an ideal response?
A ____ is the way the colors are arranged with regard to the reflection of light in the gradient.
a. gradient style b. border style c. soft style d. blur style
Which option is not required for two switches to communicate their VTP information?
A) VTP domains must match. B) VTP configuration revision numbers must match. C) VTP modes must match. D) VTP passwords must match.
The Terminal Services role and corresponding role services are renamed in Windows Server 2008 Release 2 to "remote desktop services," to reflect the new functions they serve.
Answer the following statement true (T) or false (F)