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Computer Networking from LANs to WANs: Hardware, Software and Security (Networking)

: Paperback
Edition:: 1
Authors:: Jr. Kenneth C. Mansfield; James L. Antonakos
Publisher:: Cengage Learning
Release Date:: 2009
ISBN-10:: 1423903161
ISBN-13:: 9781423903161

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Buy vs Rent: We recommend you Buy

This compares the total cost of owning the book (cheapest buy price minus the best sell-back offer today) with the cheapest rental.

: Buy
Price:: $12.21
Condition:: Used
Sell Price:: None
Final Cost:: $12.21

: Rent
Price:: $128.98
Duration:: 60 Days
Sell Price:: None
Final Cost:: $128.98

Disclaimer: These calculations are based on the current advertised price. Your results will vary depending on several factors, including the condition of the book and the advertised price at the time of sale.

Cheapest Price Summary BuyFrom $12.21

Used: $12.21

Price:: $8.24
Shipping:: $3.97
Total:: $12.21

New: $190.88

Price:: $190.88
Shipping:: at checkout
Total:: $190.88

RentFrom $128.98

Short Term Rental (60 days): $128.98

Price:: $128.98
Shipping:: at checkout
Total:: $128.98

All Used New Rent eBook Sell Back

Best Buying and Renting Options - Total includes shipping
Store		Condition	Coupons & Deals	Price	Shipping	Total
	eCampus (Marketplace) Used (Marketplace)	Used (Marketplace)		$8.24 as of Oct 20, 2026, 5:08 AM ET	$3.97	$12.21 $12.21Buy Nowclick here!
	Knetbooks Short Term Rental (60 days, due 12/19/2026)	Short Term Rental (60 days, due 12/19/2026)		$128.98 as of Oct 20, 2026, 5:08 AM ET	at checkout	$128.98 $128.98Rent Nowclick here!
	BiggerBooks Short Term Rental (60 days, due 12/19/2026)	Short Term Rental (60 days, due 12/19/2026)		$134.19 as of Oct 20, 2026, 5:08 AM ET	at checkout	$134.19 $134.19Rent Nowclick here!
	eCampus Short Term Rental (60 days, due 12/19/2026)	Short Term Rental (60 days, due 12/19/2026)		$130.28 as of Oct 20, 2026, 5:08 AM ET	$3.97	$134.25 $134.25Rent Nowclick here!
	Knetbooks Quarter Rental (59 days, due 12/18/2026)	Quarter Rental (59 days, due 12/18/2026)		$136.13 as of Oct 20, 2026, 5:08 AM ET	at checkout	$136.13 $136.13Rent Nowclick here!
	Knetbooks Used	Used		$138.96 as of Oct 20, 2026, 5:08 AM ET	at checkout	$138.96 $138.96Buy Nowclick here!
	eCampus Quarter Rental (59 days, due 12/18/2026)	Quarter Rental (59 days, due 12/18/2026)		$137.51 as of Oct 20, 2026, 5:08 AM ET	$3.97	$141.48 $141.48Rent Nowclick here!
	BiggerBooks Quarter Rental (59 days, due 12/18/2026)	Quarter Rental (59 days, due 12/18/2026)		$141.64 as of Oct 20, 2026, 5:08 AM ET	at checkout	$141.64 $141.64Rent Nowclick here!
	Knetbooks Semester Rental (76 days, due 01/04/2027)	Semester Rental (76 days, due 01/04/2027)		$143.30 as of Oct 20, 2026, 5:08 AM ET	at checkout	$143.30 $143.30Rent Nowclick here!
	eCampus Semester Rental (76 days, due 01/04/2027)	Semester Rental (76 days, due 01/04/2027)		$144.75 as of Oct 20, 2026, 5:08 AM ET	$3.97	$148.72 $148.72Rent Nowclick here!
	BiggerBooks Semester Rental (76 days, due 01/04/2027)	Semester Rental (76 days, due 01/04/2027)		$149.09 as of Oct 20, 2026, 5:08 AM ET	at checkout	$149.09 $149.09Rent Nowclick here!
	BiggerBooks New	New		$190.88 as of Oct 20, 2026, 5:08 AM ET	at checkout	$190.88 $190.88Buy Nowclick here!

Buy it used for as low as $12.21
Store		Condition	Coupons & Deals	Price	Shipping	Total
	eCampus (Marketplace) Used (Marketplace)	Used (Marketplace)		$8.24 as of Oct 20, 2026, 5:08 AM ET	$3.97	$12.21 $12.21Buy Nowclick here!
	Knetbooks Used	Used		$138.96 as of Oct 20, 2026, 5:08 AM ET	at checkout	$138.96 $138.96Buy Nowclick here!

Buy it new for as low as $190.88
Store		Condition	Coupons & Deals	Price	Shipping	Total
	BiggerBooks New	New		$190.88 as of Oct 20, 2026, 5:08 AM ET	at checkout	$190.88 $190.88Buy Nowclick here!
	Knetbooks New	New		$191.85 as of Oct 20, 2026, 5:08 AM ET	at checkout	$191.85 $191.85Buy Nowclick here!
	eCampus New	New		$192.81 as of Oct 20, 2026, 5:08 AM ET	FREE	$192.81 $192.81Buy Nowclick here!

Semester Rental for as low as $143.30
Store		Condition	Coupons & Deals	Price	Shipping	Total
	Knetbooks Semester Rental (76 days, due 01/04/2027)	Semester Rental (76 days, due 01/04/2027)		$143.30 as of Oct 20, 2026, 5:08 AM ET	at checkout	$143.30 $143.30Rent Nowclick here!
	eCampus Semester Rental (76 days, due 01/04/2027)	Semester Rental (76 days, due 01/04/2027)		$144.75 as of Oct 20, 2026, 5:08 AM ET	$3.97	$148.72 $148.72Rent Nowclick here!
	BiggerBooks Semester Rental (76 days, due 01/04/2027)	Semester Rental (76 days, due 01/04/2027)		$149.09 as of Oct 20, 2026, 5:08 AM ET	at checkout	$149.09 $149.09Rent Nowclick here!

Quarter Rental for as low as $136.13
Store		Condition	Coupons & Deals	Price	Shipping	Total
	Knetbooks Quarter Rental (59 days, due 12/18/2026)	Quarter Rental (59 days, due 12/18/2026)		$136.13 as of Oct 20, 2026, 5:08 AM ET	at checkout	$136.13 $136.13Rent Nowclick here!
	eCampus Quarter Rental (59 days, due 12/18/2026)	Quarter Rental (59 days, due 12/18/2026)		$137.51 as of Oct 20, 2026, 5:08 AM ET	$3.97	$141.48 $141.48Rent Nowclick here!
	BiggerBooks Quarter Rental (59 days, due 12/18/2026)	Quarter Rental (59 days, due 12/18/2026)		$141.64 as of Oct 20, 2026, 5:08 AM ET	at checkout	$141.64 $141.64Rent Nowclick here!

Short Term Rental for as low as $128.98
Store		Condition	Coupons & Deals	Price	Shipping	Total
	Knetbooks Short Term Rental (60 days, due 12/19/2026)	Short Term Rental (60 days, due 12/19/2026)		$128.98 as of Oct 20, 2026, 5:08 AM ET	at checkout	$128.98 $128.98Rent Nowclick here!
	BiggerBooks Short Term Rental (60 days, due 12/19/2026)	Short Term Rental (60 days, due 12/19/2026)		$134.19 as of Oct 20, 2026, 5:08 AM ET	at checkout	$134.19 $134.19Rent Nowclick here!
	eCampus Short Term Rental (60 days, due 12/19/2026)	Short Term Rental (60 days, due 12/19/2026)		$130.28 as of Oct 20, 2026, 5:08 AM ET	$3.97	$134.25 $134.25Rent Nowclick here!

Also check these stores (no live price feed for this ISBN)
Store		Condition	Coupons & Deals	Price	Shipping	Total
	VitalSource eBook	eBook		Check price at VitalSource	at checkout	CheckPriceclick here!
	RedShelf eTextbook	eTextbook		Check price at RedShelf	at checkout	CheckPriceclick here!
	Amazon New & used	New & used		Check price at Amazon	at checkout	CheckPriceclick here!
	AbeBooks Used & new (marketplace)	Used & new (marketplace)		Check price at AbeBooks	at checkout	CheckPriceclick here!
	SellBackBooks Sell back	Sell back		Check price at SellBackBooks	at checkout	CheckSell Backclick here!

Not available right now: EBook

Prices checked Oct 20, 2026, 5:08 AM ET. Totals include shipping where the store lists it. As an Amazon Associate, CheapestTextbooks.com earns from qualifying purchases.

How CheapestTextbooks.com compares prices

When you open this page we ask eCampus, Amazon, Knetbooks, BiggerBooks, VitalSource and RedShelf for their current prices on ISBN 9781423903161 and sort every offer by its total with shipping. Rental rows show the term (semester, quarter or short term) and that term goes with you to the store's cart, and eBook rows link straight to the 180-day or no-expiry option you picked. Prices are rechecked at least every 30 minutes, so confirm the total at checkout.