Computer Networking
Suppose that you have a customer who has a central HQ and six branch offices. They anticipate adding six more branches in the near future. They wish to implement a WAN technology that will allow the branches to economically connect to HQ and you have no free ports on the HQ router. Which of the following would you recommend?

HDLC
PPP
ISDN
Frame Relay

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Computer Networking
The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband.

Baseband refers to local area networks, and broadband refers to wide area networks.
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable
Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed
Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel

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Computer Networking
ARP (Address Resolution Protocol) is

a TCP/IP high level protocol for transferring files from one machine to another
a protocol used to monitor computers
a protocol that handles error and control messages
a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
None of these

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