TY - BOOK AU - Tittel, Ed TI - Computer networking SN - 9780070617254 U1 - 004.6 PY - 2007/// CY - New Delhi PB - Tata McGraw Hill KW - Computer networks N1 - includes appendix and index; 1. Data communications 2. Communications networks 3. Network technologies 4. Multiple access 5. Switching 6. Naming and addressing 7. Routing 8. Services and applications 9. Security ER -