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Components of It

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Unit 2: Components of IT
Kaplan University
IT331 –01

Contents Questions 3 References 7

Questions

1) Describe at least three different networks (computer or data communications) which you access or interact with on an average day.

I use a variety of networks on a daily basis during the work week. To start, I work from home and I must first connect to my home LAN which has an internet connection. My home LAN consists of a router that shares my internet connection wirelessly. Next, I connect to my work’s LAN by using a Virtual Private Network (VPN). My work’s LAN consists of a router and several switches. On the network, there are several workstations, servers, printers, and various resources that I access to perform my job tasks. The VPN connection is also handled by a specific router for VPN access. In addition to my home network, work network, and VPN, I also have a cloud-based music service where I access my music that gets me through the day. The cloud based network is not local, but it is accessible over the internet at Google.

2) Binary data codes like EBCDIC, ASCII, or Unicode are often presented using hexadecimal notation rather than a long list of 0’s and 1’s. Likewise other items requiring long sequences of 0’s and 1’s like IP addresses to identify network location are generally presented in non-binary formats as well. Describe the relationship between a hexadecimal character and its associated binary. Describe the relationship between one octet of an IP address and its associated binary. Explain why these notations are often utilized rather than the full binary.

Binary is a computer’s way of receiving instructions. Binary represents a switch indicated by the number 0 or number 1 that indicates either “Off” or “On”. Hexadecimal is a much easier way to keep track of binary code. Binary has a hexadecimal equivalent, much like

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