white paper does not teach subnetting‚ it teaches useful methods for passing certification test questions. Overview of Subnetting The reason we subnet is to break larger IP networks into smaller ones. Often we have networks that are the same size. These use a fixed length subnet mask for all networks. Other network designs employ different subnet masks‚ depending on the number of addresses required for each subnet. This is called variable length subnet masking or VLSM. As I learned subnetting
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the list can go on. When a computer is connected to a LAN network it uses a hardware address and an IP address. This is how one computer recognizes another computer so it may send and receive packets from end to other end. IPv4 consists of 2 identifier parts; Network Identifier and Host Identifier. Network identifier is where your system would specifically be located. Host Identifier is to identify the host of the network. Most networks today use DHCP to configure most IP settings. What DHCP does
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Lab 6.7.4 IPv4 Address Subnetting‚ Part 2 Let’s add some of this information to our table: Host IP address|172.25.114.250| Major network mask|255.255.0.0 (/16)| Major (base) network address|172.25.255.255| Total Number of Host BitsNumber of hosts|16 bits or 216 or 65‚536 total hosts| Subnet mask|255.255.255.192 (/26)| Number of subnet bitsNumber of subnets|261024 (210)| Number of host bits per subnetNumber of usable hosts per subnet|664 – 2 = 62 (from 26 – 2)| IP for first host on this
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use. 6. What is the difference between a broadcast address and Network address? Why the all zeros and all ones addresses are usually not assigned as host IP addresses? 7. A mask is used to distinguish how many bits are there in Network ID portion and how many are in host ID portion. We can extract the Network Address from the given IP address using the mask. (Assume that no subnetting is done). Extract the network address from the following IP addresses: a. 139.65.225.4
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is to explain subnetting and why it is needed. If you have a network that has an excessive amount of traffic and is starting to run slowly‚ you need to find a way to solve this problem. One of the most effective techniques to solve this problem is by subnetting. Subnetting is a technique for breaking a big block of IP addresses into smaller blocks that can be used to define separate networks. By subnetting a network administrator can enhance security‚ improve performance and simplify
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Amit Ahuja NETW202‚ Ramyar Moghaddam Current Date 2/8/15 Lab #6 Computing Usable Subnets and Hosts iLab (13 points) Write a paragraph (minimum five college-level sentences) below that summarizes what was accomplished in this lab‚ what you learned by performing it‚ how it relates to this week’s TCO’s and other course material; and just as important‚ how you feel it will benefit you in your academic and professional career. (5 points) For the Computing Usable Subnets and Hosts Lab you must show
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#8 Answer: C Explanation: The network address 150.50.0.0 that was originally assigned is a class B‚ so it has a default subnet mask of 255.255.0.0. Then you need to divide this network into 7 subnets and only the net work address 255.255.240.0 provides enough networks because it will provide 16 - 2 = 14 subnets (-1 for the network address and -1 for the broadcast address‚ which gives a -2 from the total of subnets). #9 Answer: C Explanation: The network address 209.168.19.0‚ which was originally
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Mini Case II. Central University Suppose you are the network manager for Central University‚ a medium-size university with 13‚000 students. The university has 10 separate colleges (e.g.‚ business‚ arts‚ journalism)‚ 3 of which are relatively large (300 faculty and staff members‚ 2‚000 students‚ and 3 buildings) and 7 of which are relatively small (200 faculty and staff‚ 1‚000 students‚ and 1 building). In addition‚ there are another 2‚000 staff members who work in various administration departments
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Central University Suppose you are the network manager for Central University‚ a medium-size university with 13‚000 students. The university has 10 separate colleges (e.g.‚ business‚ arts‚ journalism)‚ 3 of which are relatively large (300 faculty and staff members‚ 2‚000 students‚ and 3 buildings) and 7 of which are relatively small (200 faculty and staff‚ 1‚000 students‚ and 1 building). In addition‚ there are another 2‚000 staff members who work in various administration departments (e.g.‚ library
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QUESTION1 Power Problems Alternating current (AC)‚ which is “food” to PCs and other network devices‚ is normally 110 volts and changes polarity 60 times a second (or 60 Hertz). These values are referred to as line voltage. Any deviation from these values can create problems for a PC or other network device. Power problems fall into three categories: * Overage * Underage * Quality Power Overage Problems During a power overage‚ too much power is coming into the computer. Power overage
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