Answered: Some company staff members will require…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Some company staff members will require after hour access to systems at office and the Internet for research projects. The company needs to purchase broadband facility for staff members' home offices. Your task is to perform a comparative assessment of ADSL2+ equipment versus cable modem equipment to determine which offers better capability. The intention of this exercise is to understand technical specification of two different types of routers and know their comparative advantages and limitations. Select one ADSL2+ modem/router and one cable modem/router available in the market and perform the following comparisons in a tabular format.

Based on the following

Some company staff members will require after hour access to systems at office and the Internet for research projects. The company needs to purchase broadband facility for staff members' home offices.

Recommend one of the above modem/routers and justify your answer

Expert Solution

Step 1

Line Interface

	ADSL2+ Modem-Router	Cable Modem (Router)NETGEAR
Modulation type	GDMT	QPSK/64QAM(upstream),64QAM,256QAM in downstream
Modulation bit rates	25Mb/s downstream and 1.5Mb/s upstream	upstream-160,320,640,1280,2560ksym/sec.downstream-5.056 ,5.6 in 256QAM
error control strategy	contact vendor	56-Bit DES encryption security strategy
modulation sensitive to crosstalk?	yes	NO
cable and connector types	RJ-45 Jack,ADSL to connect ADSL 2+line	USB

Host Interface

	ADSL2+ Modem-Router(Netcom NB14)	Cable Modem (Router)
Host side interface	ethernet for NB14WN	USB,RJ45 Ethernet

No of ports	1 LAN PORT IN NB14 and 4 LAN port for NB14WN	2
embedded switching capability	embedded web configuration	no
DHCP	Enabled	Yes

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