Ntc 360 Network and Telecommunications Concepts

In: Computers and Technology

Submitted By pscheelk
Words 2399
Pages 10
NETWORKING

Networking
Paul F. Scheelk
NTC/360
Network and Telecommunications Concepts
Instructor: Anthony Bruno
University of Phoenix

1. What is the range of usable IP addresses for the following IP subnet? What is the broadcast address for the subnet?
10.150.100.96/27
The range of usable IP addresses is 10.150.100.97 – 10.150.100.126. The first and last addresses are not usable and cannot be assigned to hosts as one is used as the broadcast address, 10.150.100.127 and 10.150.100.96 is the address for the sub network. When initially determining the usable addresses the /27 provides the information that the first 27 bits are network and the remaining 5 are host addresses. The subnet address would be 255.255.255.224.
2. Describe and explain the difference between circuit bandwidth and network throughput. Focus on networking.
Communication networks using Ethernet or other protocols distinguish throughput as the average rate of successful packet delivery over a communication channel. The information is passed over a physical or logical link such as Cat5, 5A or 6 or media such as coax and fiber. It is also measured over a wireless network. It is usually measured in bits per second (bit/s or bps), and/or data packets per second or time slot. Throughput is the actual speed that the data is being transmitted.
Bandwidth on the other hand is the maximum speed in which packets can be sent or received. Bandwidth is almost always a higher rate than throughput.
3. Research the Domain Name System (DNS). What is its purpose? What are the root DNS servers? (List them. What is a DNS tree? What are SOA, NS, A, PTR, and CNAME resource records?
DNS or the Domain Naming System is used to associate an address such as 69.147.76.15 with a domain name, which in this case is associated with http://www.yahoo.com.
There are currently 13 root name servers specified…...

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