Nova Southeastern University
1, (5 points) Is HFC transmission rate dedicated or shared among users? Are collisions
possible in a downstream HFC channel? Why or why not.
HFC transmission rate is shared among users. Collisions are
Dial-up modem over telephone line
DSL over telephone line
Cable to HFC
100 Mbps switched Ethernet
Residential or small office
Wide-area wireless access
The source port number is y
The destination port number is x
Yes, both segments will be directed to the same socket at Host C.
Host C can distinguish between them by checking the source IP in the IP packet and
the source port from the UDP header
Forwarding is moving a packet from a routers input link to the appropriate
Routing is determining the end-to-routes between sources and destinations.
HOL blocking is a queued packet in an input queue must wait for transfer through
List six access technologies. Classify each one as residential access, company access, or
DSL over telephone line. (Residential / small office).
Cable to HFC. (Residential).
Dial-up modem (Residenti