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What is used to avoid assigning entire addresses of a particular class to networks that didn't have that many hosts?
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What is used to avoid assigning entire addresses of particular class to networks that did not have that many host?
CIDR
What is used to avoid assigning entire addresses of a particular class to networks that didnt have that many hosts?
NAT
Why are subnets necessary?
For more efficient usage of IP addresses. Instead of an ISP assigning a customer an entire class C of IPs (255 addresses), they can assign them a smaller subnet of 8 or 16 addresses instead, only as many as the customer needs.
Which statement accurately describes public IP addresses?
Public IP addresses must be unique across the entire Internet.
Why were the Europeans able to carve up almost the entire continent of Africa?
Europeans had superior weapons, better transportation networks, and they had better communication networks.
What placement criterion addresses the concern of a well placed observer compromising the entire operation?
security
Can you mention and explain two types of networks in computer field?
IP address classes These IP addresses can further be broken down into classes. These classes are A, B, C, D, E and their possible ranges can be seen in Figure below. Class Start address Finish address A 0.0.0.0 126.255.255.255 B 128.0.0.0 191.255.255.255 C 192.0.0.0 223.255.255.255 D 224.0.0.0 239.255.255.255 E 240.0.0.0 255.255.255.255 Figure . IP address Classes If you look at the table you may notice something strange. The range of IP address from Class A to Class B skips the 127.0.0.0-127.255.255.255 range. That is because this range is reserved for the special addresses called Loopback addresses that have already been discussed above. The rest of classes are allocated to companies and organizations based upon the amount of IP addresses that they may need. Listed below are descriptions of the IP classes and the organizations that will typically receive that type of allocation. Default Network: The special network 0.0.0.0 is generally used for routing. Class A: From the table above you see that there are 126 class A networks. These networks consist of 16,777,214 possible IP addresses that can be assigned to devices and computers. This type of allocation is generally given to very large networks such as multi-national companies. Loopback: This is the special 127.0.0.0 network that is reserved as a loopback to your own computer. These addresses are used for testing and debugging of your programs or hardware. Class B: This class consists of 16,384 individual networks, each allocation consisting of 65,534 possible IP addresses. These blocks are generally allocated to Internet Service Providers and large networks, like a college or major hospital. Class C: There is a total of 2,097,152 Class C networks available, with each network consisting of 255 individual IP addresses. This type of class is generally given to small to mid-sized companies. Class D: The IP addresses in this class are reserved for a service called Multicast. Class E: The IP addresses in this class are reserved for experimental use. Broadcast: This is the special network of 255.255.255.255, and is used for broadcasting messages to the entire network that your computer resides on. IP address classes These IP addresses can further be broken down into classes. These classes are A, B, C, D, E and their possible ranges can be seen in Figure below. Class Start address Finish address A 0.0.0.0 126.255.255.255 B 128.0.0.0 191.255.255.255 C 192.0.0.0 223.255.255.255 D 224.0.0.0 239.255.255.255 E 240.0.0.0 255.255.255.255 Figure . IP address Classes If you look at the table you may notice something strange. The range of IP address from Class A to Class B skips the 127.0.0.0-127.255.255.255 range. That is because this range is reserved for the special addresses called Loopback addresses that have already been discussed above. The rest of classes are allocated to companies and organizations based upon the amount of IP addresses that they may need. Listed below are descriptions of the IP classes and the organizations that will typically receive that type of allocation. Default Network: The special network 0.0.0.0 is generally used for routing. Class A: From the table above you see that there are 126 class A networks. These networks consist of 16,777,214 possible IP addresses that can be assigned to devices and computers. This type of allocation is generally given to very large networks such as multi-national companies. Loopback: This is the special 127.0.0.0 network that is reserved as a loopback to your own computer. These addresses are used for testing and debugging of your programs or hardware. Class B: This class consists of 16,384 individual networks, each allocation consisting of 65,534 possible IP addresses. These blocks are generally allocated to Internet Service Providers and large networks, like a college or major hospital. Class C: There is a total of 2,097,152 Class C networks available, with each network consisting of 255 individual IP addresses. This type of class is generally given to small to mid-sized companies. Class D: The IP addresses in this class are reserved for a service called Multicast. Class E: The IP addresses in this class are reserved for experimental use. Broadcast: This is the special network of 255.255.255.255, and is used for broadcasting messages to the entire network that your computer resides on.
Does Tampa Florida offer public transporation?
Tampa Bay has one of the widest networks of public transportation in the entire state of Florida. They have public buses and bicycle networks available to paying users.
What is IT architecture and infrastructure?
Basically it's all of your networks and supporting systems and in some cases the entire IT department as well.
What is the advantage of adding networks with a wildcard mask instead of using classful network addresses?
In OSPF, interfaces can be assigned to different areas. Many times, a router will be routing inside of a major network, but different interfaces will belong to different areas. You need the level of control given by wildcard masks to assign different interfaces to their appropriate areas, and not restrict an entire major network to be in one area.
What is a difference between blind carbon copy and carbon copy?
Carbon copy enables you to send an email to a list of clients. The entire list of addresses you sent the email to is displayed in the cc field. Blind carbon copy hides the list of email addresses from the recipients.
What is class A range?
A Class-A network is a network with a subnet mask of 255.0.0.0 or /8, and the official Class A range runs from 1.0.0.0/8 to 127.0.0.0/8.This is over half the total addresses that can be assigned in the entire IPv4 address space, because although 10.0.0.0/8 (dedicated to private networks) and 127.0.0.0/8 (dedicated to loopback interfaces) cannot be otherwise used, the slices taken out of the other half are larger.
