Ref: Connecting Networks v6 Companion Guide
“Chapter 4
WAN Concepts
…
Selecting a WAN Technology
…
WAN Link Connection Options
…
Public WAN infrastructure:… Broadband connections are typically used to connect small offices and telecommuting employees to a corporate site over the Internet.
…”
A. broadband cable access
Correct answer
B. frame-relay packet switching
Wrong answer.
C. dedicated point-to-point leased line
Wrong answer.
D. Integrated Services Digital Network switching
Wrong answer.
I think D is the correct answer.
Integrated services digital network (ISDN) is a WAN technology that offers increments of 64-Kbps connections most often used by SOHO (small office/home office) users.
D was the correct answer!.. 30 years ago. I have a SOHO router, internet provider is a cable company & I get 470-Mbps. (more than 7000 times faster than 64K)
This reminds me of Dr. Evil holding the world hostage and demanding $1-million dollars.
Public WAN infrastructure: Service providers provide Internet access using broadband services such as DSL, cable, and satellite access. Broadband connections are typically used to connect small offices and telecommuting employees to a corporate site over the Internet. Data traveling between corporate sites over the public WAN infrastructure should be protected using VPNs.
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