1. An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm? A: The PC has connectivity with a…
Tag: IP address
CCNA 640-802 Bible – Describe the IP Addressing,DHCP and DNS server
1. Which of the following describe private IP addresses? (Choose two.) A:addresses chosen by a company to communicate with the Internet B:addresses that cannot be routed through the public Internet C:addresses that…
IP Address Classes and CIDR
IP addresses are divided in to ‘classes’, based on the decimal value represented in the first octet. This class definition is referred to as the First Octet Rule. There are five classes…
IP Addressing
An IP address is a network layer (Layer 3) address that uniquely identifies a host, including network components and devices, on a TCP/IP network. An IP address is composed of 32 binary…
IP subnetting
IP subnetting is a fundamental subject that’s critical for any IP network engineer to understand, yet students have traditionally had a difficult time grasping it. Over the years, I’ve watched students needlessly…