Useful tips for everyday
What is the Open Badge Standard? The Open Badges standard describes a method for packaging information about accomplishments, embedding it into portable image files as…
What is the meaning of cutoff frequency? In physics and electrical engineering, a cutoff frequency, corner frequency, or break frequency is a boundary in a…
Is ICMP L3 or l4? ICMP is L3, transported inside a L3 packet. What does ICMP run on? ICMP gives TCP/IP a way to handle…
How do I set my router to priority? Change Your Router’s Quality of Service (QoS) Settings: How to Log into your account. Open the Wireless…
What is EtherChannel configuration? An EtherChannel is a logical interface that bundles multiple physical interfaces. Spanning-tree sees an Etherchannel as a single interface so it…
How do you thank someone for their time and consideration? I greatly appreciate the time you spent interviewing me. I appreciate your time and consideration…
What is one reason a UDP scan may take longer than a TCP scan of the same host? UDP port scanning takes longer that TCP…
Does ARP use IP? ARP forces all receiving hosts to compare their IP addresses with the IP address of the ARP request. So if host…
What does frame mean in Wireshark? The frame protocol isn’t a real protocol itself, but used by Wireshark as a base for all the protocols…
Why is ARP necessary in a LAN environment? The job of the ARP is essentially to translate 32-bit addresses to 48-bit addresses and vice-versa. This…