2^(number of host bits) – 2 (subtract network and broadcast addresses). Example: /26 (6 host bits) → 2^6 – 2 = 62 usable hosts.
Classless Inter-Domain Routing – allows variable-length subnet masks (VLSM) to efficiently use IP space instead of class A/B/C.
Point-to-Point Protocol over Ethernet – used by DSL providers to encapsulate PPP frames inside Ethernet. 10. Scenario-Based & Behavioral Q36: A user can ping 8.8.8.8 but not google.com. Why? DNS issue. Check DNS server configuration or nslookup google.com .
2^(number of host bits) – 2 (subtract network and broadcast addresses). Example: /26 (6 host bits) → 2^6 – 2 = 62 usable hosts.
Classless Inter-Domain Routing – allows variable-length subnet masks (VLSM) to efficiently use IP space instead of class A/B/C.
Point-to-Point Protocol over Ethernet – used by DSL providers to encapsulate PPP frames inside Ethernet. 10. Scenario-Based & Behavioral Q36: A user can ping 8.8.8.8 but not google.com. Why? DNS issue. Check DNS server configuration or nslookup google.com .