Network Lesson 6: IPv4
The ? is the IP address of the router's interface on the local subnet.
default gateway
When using a computer running a Windows operating system, what command will show the IP address from the command prompt?
ipconfig
What command is used to test the TCP/IPv4 stack on a Windows computer?
ping 127.0.0.1
What is the appropriate notation for the subnet mask 255.0.0.0?
/8
IPv4 addresses cover a range from ? to ? .
0 / 255
A computer has an IP address of 192.168.1.25 and a subnet mask of 255.255.0.0. What is the host ID?
1.25
What is the binary number for 168?
1010 1000
What is the network ID if an IP address is 126.3.15.8 and the subnet mask is 255.255.255.0?
126.3.15.0
A Class B address uses ? for the network ID and ? for the Host ID.
16 bits / 16 bits
A computer has a subnet of 255.255.0.0 and an IP address of 168.60.15.2. The computer needs to send an email to multiple computers. Which address is remote?
168.61.23.6
Convert the binary number 1010 1100 to decimal.
172
Consider a subnet mask of "255.255.255.0." Which represents the network ID?
192.168.1.0
Which is a valid IPv4 address?
192.168.1.1
How many subnets can be created if one bit is borrowed?
2
What is the IP address for 1101 0000.1111 1110.0001 0001.0111 1111?
208.254.17.127
Which is not a common subnet mask?
255.255.255.255
On subnet A, which computer has an invalid subnet mask?
4
On subnet B, which computer has an invalid IP address?
6
How many hosts are available if two bits are borrowed from a Class C address?
62
If three bits are borrowed from a Class C address, how many subnets can be created?
8
Which IP address is not a usable address?
A. 10.0.0.0 C. 192.168.255.255
If the first number of an IP address starts with 124, the IP address is a ? address.
Class A
A Class C address can be subdivided by borrowing low order bits from the host ID portion of the address.
False
An IPv4 address consists of 24 bits.
False
In an IP address of 125.168.2.48/8, the /8 indicates that there are 24 bits in use.
False
