000 00498nam a2200181 a 4500
999 _c16594
_d16594
020 _a1587133490 (hardcover)
020 _a9781587133497 (hardcover)
100 1 _aCISCO
245 1 0 _aCCNA Exploration: Accessing the WAN 4.0
250 _a1st ed.
260 _a[S.l.] :
_bCisco Press,
_c2011.
300 _a355 p. ;
650 _aComputer networks
650 _aSecurity measures
700 _aCisco networking academy.
856 _uhttp://www.amazon.com/exec/obidos/ASIN/1587
942 _cBK