000			00643nam a2200253Ia 4500
001			58957
005			20250221160249.0
008			250214s9999||||xx |||||||||||||| ||und||
020			_a9781259064753
100			_aForouzan, Behrouz A
245		0	_aData communications and networking
250			_a5
260			_aNew Delhi
260			_bMcGraw Hill Education
260			_c2013
300			_axix, 492p.
500			_aIncludes glossary and index
650			_aCommunication networks
650			_aCryptography
650			_aData communications
650			_aInternetworking devices
650			_aNetwork security
942			_cBK
999			_c74727 _d74727