Useful tips for everyday
What if subnet mask is wrong? Incorrect Subnet Mask: If a network uses a subnet mask other than the default mask for its address class,…
What is the difference between cumulative acknowledgment and selective acknowledgment? With the cumulative acknowledgment scheme, multiple dropped segments generally cause TCP to lose its ACK-based…
How long does DHCP lease take? 24 hours The standard DHCP lease time is 24 hours, but you can change it to meet your network’s…
What are the types of fiber connectors? The most commonly used connectors today are ST, SC, FC, MT-RJ, & LC connectors while Plastic FOC, Opti-Jack,…
What is a CPU interface? A CPU Interface contains a programmable interrupt priority mask and it only accepts Pending interrupts if the priority of the…
Can half duplex communication? Half-duplex devices can only transmit in one direction at one time. With half-duplex mode, data can move in two directions, but…
Are AAAA records required? No, it is not necessary to create an AAAA record for your website as long as most traffic runs over IPv4,…
How is link made in NS2? In ns2, the topology consists of a collection of nodes and links. The simulator object has member functions which…
How do routers know where to send packets? When a router receives a packet, the router checks its routing table to determine if the destination…
Do I need a 10GB switch? The average computer doesn’t need a 10gb connection and can cope just fine on traditional gigabit Ethernet. Unless you’re…