Useful tips for everyday
How OSPF calculate the best route? If there are multiple routes to a network with the same route type, the OSPF metric calculated as cost…
What is industrial Ethernet protocol? Industrial Ethernet (IE) is the use of Ethernet in an industrial environment with protocols that provide determinism and real-time control.…
What are duplicate packets? Duplicate packets are packets that are captured twice or multiple times by Observer. Typically, duplicates are a result of how data…
What is the subnet mask for IP range? A subnet mask is a 32- or 128-bit number that segments an existing IP address in a…
What are the requirements to run MPLS traffic engineering in the network? Prerequisites for MPLS Traffic Engineering and Enhancements Your network must support the following…
How often do website IP addresses change? Every 14 days there is a DHCP lease renewal that takes place that acts kind of like a…
What is Cisco Trustpoint? A trustpoint is basically a certificate authority who you trust, and it is called a trustpoint because you implicitly trust this…
Why do probe requests for specific SSIDs work? Probe requests are either broadast or unicast check to see whether an SSID is in range. It’s…
What is the destination IPv6 address for a router solicitation message? Router Solicitation (RS) These messages are sent by nodes when they boot up to…
How are molecular orbitals formed? Molecular orbitals are obtained by combining the atomic orbitals on the atoms in the molecule. Consider the H2 molecule, for…