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module 11
cisco module 11
| Term | Definition |
|---|---|
| IPv4 address | This is the unique IPv4 address of the host. |
| Subnet mask | this is used to identify the network/host portion of the IPv4 address |
| default gateway IPv4 address | required to reach remote networks |
| DNS server IPv4 address | required to translate domain names to IPv4 address |
| ANDing | process used to identify the network portion and host portion of an IPv4 address |
| prefix length | method of identifying a subnet mask written in "slash notation" |
| slash notation | A forward slash (/) followed by the number of bits set to 1 |
| network address | also referred to as a prefix or network prefix is an address that represents a specific network |
| IPv4 host address (192.168.10.10) | the IPv4 address of the host in the dotted decimal and binary formats |
| Subnet mask (255.255.255.0) | the subnet mask of the host in dotted decimal and binary formats |
| Network address (192.168.10.0) | the logical AND operation between the IPv4 network address shown in dotted decimal and binary formats |
| host address | addresses that can be assigned to a device such as a host computer, laptop, smart phone, web camera, printer, router, ect. |
| first host address | has all 0 bits with the last (right-most) bit as a 1 bit |
| last host address | has all 1 bits with the last (right- most) bit as a 0 bit |
| broadcast address | is an address that is used when it is required to reach all devices on the IPv4 network |
| unicast | one device sending a message to one other device in one-to-one communications |
| broadcast | a device sending a message to all the devices on a network in one-to-all communications |
| multicast | a host sending a single packet to selected set of hosts that subscribe to a multicast group |
| public IPv4 address | addresses which are globally routed between internet service provider routers |
| private IPv4 address | addresses are not unique and can be used internally within any network |
| network address translation | is used to translate between private IPv4 and public IPv4 addresses |
| loopback address | special addresses used by a host to direct traffic to itself |
| link-local address | also known as automatic private IP addressing are used by a windows DHCP client to self-configure in the event that there are no DHCP servers available |
| class A | designed to support extremely large networks with more than 16 million host addresses. |
| class B | designed to support the needs of moderate to large size networks with up to approximately 65,000 host addresses |
| class C | designed to support small networks with a maximum of 254 hosts |
| classful addressing | was an effective means to allocate addresses. |
| classless addressing | ignores the rules of classes. public IPv4 network addresses are allocated based on the number of addresses that can be justified |
| internet assigned numbers authority | manages and allocates blocks of IP addresses to the regional internet registries |
| regional internet registries | are responsible for allocating IP addresses to ISP who provide IPv4 address blocks to organizations and smaller ISP |
| intranet | this is the internal part of a company's network, accessible only within the organization. devices in the intranet use private IPv4 addresses |
| DMZ | this part of the company's network containing resources available to the internet such as a web server. Devices in the DMZ use public IPv4 addresses. |
Created by:
zlocke