Computer systems and networking technology / 
3G E-Learning. 
 - 2nd ed. - 
 - New York, N.Y.:  3G E-Learning,  c2023. 
 - xvi, 345 p.  col. ill.  26 cm. 
<br/><br/>Includes bibliography & index. 
<br/><br/><label>ISBN: </label>9781984679994 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks<br/>Computer systems