40 Questions
What is the address of the limited broadcast?
255.255.255.255
What is the purpose of the directed broadcast address?
To send data to all hosts in a network
What is the range of addresses reserved for multicast in IPv4?
224.0.0.0 to 239.255.255.255
What is a multicast transmission?
Sending a packet to a selected set of hosts
What is the address of the directed broadcast for the 192.168.1.0/24 network?
192.168.1.255
Why do routers not forward broadcasts?
By default
What is the purpose of a multicast address?
To identify a group of hosts
What happens when an IPv4 host subscribes to a multicast group?
The host processes packets addressed to this multicast address and its unicast address
What is the total number of bits in an IPv4 address?
32
What determines the network and host portions of an IPv4 address?
Subnet mask
What is ANDing in the context of IPv4 addresses?
A process to identify network and host portions
What is the purpose of a subnet mask?
To differentiate the network portion from the host portion
What is the result when two hosts have the same bit pattern in the network portion of the 32-bit stream?
They are on the same network
What are the two components that make up an IPv4 address?
Network and host portions
What must be identical for all devices that reside in the same network?
The network portion of the IPv4 address
What is the purpose of an IPv4 address?
To identify a specific host within a network
What represents all the devices on the same network?
Network address
What is the purpose of the prefix length?
To simplify the representation of a subnet mask
How is the prefix length written?
With a forward slash and the number of bits
What is the equivalent of 255.255.255.0 in prefix notation?
/24
What is the subnet mask represented by the prefix length /25?
255.255.255.128
What is another term for the network address?
Prefix or network prefix
How many bits are set to 1 in the subnet mask 255.255.255.240?
26
What is the purpose of the subnet mask?
To divide an IP address into a network part and a host part
What is a characteristic of private IPv4 addresses?
They are not unique and can be used internally within any network
What is the purpose of NAT?
To translate private IPv4 addresses to public IPv4 addresses
Why were private IPv4 addresses introduced?
To deal with the depletion of IPv4 address space
What is the purpose of RFC 1918?
To define private IPv4 addresses
What is the range of the 10.0.0.0/8 private IPv4 address block?
10.0.0.0 - 10.255.255.255
What is a characteristic of public IPv4 addresses?
They are unique and can be used on the internet
What is the range of the 172.16.0.0/12 private IPv4 address block?
172.16.0.0 - 172.31.255.255
What is the purpose of customer networks 1, 2, and 3?
To send packets outside their internal networks
What type of addresses do packets have before they are forwarded to an ISP?
Private addresses
Where is NAT typically enabled?
On the edge router
What is the purpose of the 127.0.0.1 address?
To direct traffic to itself
What type of addresses are used by Windows DHCP clients when no DHCP servers are available?
Link-Local addresses
What range of addresses is reserved for loopback addresses?
127.0.0.0 /8
Why do packets need to be filtered or translated before being forwarded to an ISP?
Because they have private addresses
What is the purpose of NAT?
To translate internal private addresses to public global IP addresses
What type of addresses are used for testing if TCP/IP is operational on a host?
Loopback addresses
Learn how to segment a network into subnets and understand the structure of an IPv4 address, including the network and host portions. This quiz covers the basics of IPv4 addressing and its applications in networking.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
