000			00650nam a2200253Ia 4500
001			35216
005			20250221153246.0
008			250214s9999||||xx |||||||||||||| ||und||
020			_a8178080869
100			_aComer, Douglas E
245		0	_aComputer networks and internets
250			_a2
260			_aNew Delhi
260			_bPearson Education
260			_c1998
300			_axviii, 578p. : ill.
500			_aIncludes bibliographical references and index.
650			_aComputer networks
650			_aInternetworking
650			_aNetwork security
650			_aNetwork topologies
650			_aPacket transmission
942			_cBK
999			_c51016 _d51016