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How many host address are there for an address with 21 bits for the network address?
2046 Breakdown: 11111111.11111111.11111000.00000000 /21 - 21 bits in network address represented by ones in binary address above. Leaves 2^11th power host addresses left (the zeros to the right). Equals 2048 host addresses minus the two reserved addresses = 2046
What enables an system to determine which part of an ip address represents the host and which part represents the network?
The subnet mask. The subnet mask consists of a certain number of ones, followed by a certain number of zeroes (in binary). The ones tell you how many bits in an IP address make up the network part; the zeroes are for the host.The subnet mask. The subnet mask consists of a certain number of ones, followed by a certain number of zeroes (in binary). The ones tell you how many bits in an IP address make up the network part; the zeroes are for the host.The subnet mask. The subnet mask consists of a certain number of ones, followed by a certain number of zeroes (in binary). The ones tell you how many bits in an IP address make up the network part; the zeroes are for the host.The subnet mask. The subnet mask consists of a certain number of ones, followed by a certain number of zeroes (in binary). The ones tell you how many bits in an IP address make up the network part; the zeroes are for the host.
What is the difference between a Network address and Broadcast address?
When you set up a sub network you decide upon the subnet mask and this determines the network address (all zeros in the subnet portion of the address) and the broadcast address (all ones in the subnet portion of the address). When you assign the host addresses in your subnet, then you use the addresses between the network address and the broadcast address.
What does the subnet mask look like?
A subnet mask typically appears in the same format as an IP address, consisting of four octets separated by periods (e.g., 255.255.255.0). It identifies the network and host portions of an IP address, with the network part represented by consecutive ones (1s) in binary and the host part by zeros (0s). For example, in the subnet mask 255.255.255.0, the first three octets (255) indicate the network portion, while the last octet (0) indicates the host portion. Subnet masks can also be represented in CIDR notation, such as /24, which signifies that the first 24 bits are used for the network.
What are digital quantities?
Digital quantities are represented by binary numbers (ONES and ZEROS). The binary ONES and ZEROS make up a word or number that indicate a value. Each bit position represents a portion of the overall quantity.
Does Binary numbers consist of ones and twos?
No, binary numbers don't consist of ones and twos, they are ones and zeros.
What is a class A IP address?
IP Address consists of 32 binary digits. Class A IP addresses are the ones with the 8 most significant bits of the form (0xxxxxx) -where x represents the net ID- and the rest of the IP is host ID. A class IP address usually used in cases where the number of networks is relatively low with very large number of hosts.
Which address in a network cannot be assigned to hosts?
The general rule in networking is that the network id cannot be all zeroes or all ones, and the host id cannot be all zeroes or all ones. The all zero address results in a reserved address meaning "this network". The all ones address is a broadcast address, and cannot be assigned to a single system.
How many subnets are created on host ip 195.70.16.93?
To determine the number of subnets created for the host IP 195.70.16.93, you need to know the subnet mask. Without this information, it's impossible to provide a specific number of subnets. Generally, subnetting involves dividing a larger network into smaller ones by borrowing bits from the host portion of the address, which can vary based on the chosen subnet mask. If you provide the subnet mask or CIDR notation, I can give a more precise answer.
Examples of binary?
The binary number system has zero and one as its only digits. A number or letter expressed in binary notation will appear as a series of zeroes and ones.
Broadcast IP 123.123.2.5 and a subnet mask of 255.255.255.224?
First, convert the relevant portion of the subnet mask to binary: 255.255.255.1110 0000[1], aka /27. Next the last octet of the IP address (slightly more complex, but 5's an easy one): 0000 0101.That means the network is 123.123.2.0/27, the all-host-bits-1 broadcast address is at 123.123.2.31, and available host addresses are 30 hosts from 123.123.2.1 to 123.123.2.30 .[1] I skipped the all-ones octets, because they're not really necessary to write out.If you want it slightly more expanded:Subnet mask: 1111 1111.1111 1111.1111 1111.1111 1111.1110 0000IP address: 0111 1011.0111 1011.0000 0010.0000 0101Network address: 0111 1011.0111 1011.0000 0010.0000 0000For each bit of the subnet mask that is 1, you take the equivalent bit out of the IP address, and the rest you fill with 0. If you prefer that terminology, you perform a bitwise AND of subnet mask and IP address.Broadcast address: 0111 1011.0111 1011.0000 0010.0001 1111For the broadcast address, take the network address and fill the host bits with 1s instead of 0 (this is why they're also called all-0s and all-1s respectively).Now just convert that binary broadcast address back to decimal: 123.123.2.31(ProTip: You already know three of those octets because of where you got them from.)(ProTip: a nibble filled with 1s is 15 or 240 decimal, and a nibble filled with 0s is always 0)When you have the network address and the broadcast address, you also know the available host range for this subnet: one inward from each end, or 123.123.2.1 to 123.123.2.30 .
What is network id host id?
Network IDA network ID refers to a part of a TCP/IP address that is used to identify the subnet that a host may be on. The subnet that the computer is on is determined by the netmask and IP address of the computer. This subnet address is the same as the network ID and is the beginning part of the computers IP address.When the netmask is setup, it is a number where some of the most significant bits have a 1's value and the rest have values of 0. The most significant part of the netmask with bits set to 1's specifies the network address, and the lower part of the address will specify the host address.The part of the IP address that matches the part of the netmask where the bits are set to ones determines the network ID.
