Questions and Answers
How many bits are in an IPv4 address?
How many octets are in an IPv4 address?
How many bits per octet in an IPv4 address?
What are sections A and B of the IP address?
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The IP address range of 172.16.0.0 - 172.31.255.255 is what address class?
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Which IP address assignment method leads to less administrative efforts for Information Technology professionals?
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What is the network address for APIPA?
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You have an IP address with a prefix notation of /27. What is the dotted-decimal form of the subnet mask?
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You have a subnet mask of 255.255.255.248. What is the prefix notation?
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How many subnets do you get with a subnet of 192.168.1.0/28?
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How many hosts can you have with a subnet of 192.168.1.0/28?
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How many bits are used for an IPv6 address?
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What symbol can be used to represent a group of consecutive 0s in an IPv6 address?
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What format can be used to represent the low order 64 bits of an IPv6 address by reformatting a device's MAC address?
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Which data flow is NOT supported by IPv6?
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Which option is NOT a valid representation of the address 2001:0000:35d0:0000:5600:abed:e930:0001?
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What practice allows you to further subnet a network to accommodate the number of devices?
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What are two IPv6 transition technologies that can coexist with IPv4?
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What standard is commonly used by an IPv6 host to generate its own 64-bit host ID?
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What are some of the packet types associated with the Neighbor Discovery Protocol (NDP)?
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Study Notes
IPv4 Addressing
- An IPv4 address consists of 32 bits.
- An IPv4 address is divided into 4 octets.
- Each octet in an IPv4 address contains 8 bits.
- Subnet masks separate the network portion from the host portion of an IPv4 address using binary 1s (network) and 0s (host).
Address Classes
- The IP address range of 172.16.0.0 - 172.31.255.255 belongs to Class B.
IP Address Assignment Methods
- DHCP (Dynamic Host Configuration Protocol) minimizes administrative effort in IP address assignment compared to static or manual methods.
APIPA
- The network address for Automatic Private IP Addressing (APIPA) is 169.254.0.0/16.
Subnet Masks
- A dotted-decimal representation of a /27 subnet mask is 255.255.255.224.
- A subnet mask of 255.255.255.248 is represented in prefix notation as /29.
Subnetting Calculations
- A subnet of 192.168.1.0/28 can accommodate 16 subnets.
- Each subnet of 192.168.1.0/28 allows for 14 usable hosts.
IPv6 Addressing
- An IPv6 address comprises 128 bits.
- A double colon (::) represents consecutive zeros in an IPv6 address.
IPv6 Address Formation
- The EUI-64 format is used to derive the lower 64 bits of an IPv6 address from a device's MAC address.
IPv6 Data Flows
- IPv6 supports unicast, multicast, and anycast data flows but not broadcast.
IPv6 Address Representation
- An example of a valid IPv6 address is 2001::35d0:0:56:abed:e930:0001; however, certain representations may not be valid.
Advanced Subnetting
- Variable Length Subnet Masking (VLSM) allows for more efficient subnetting based on the number of devices needed in each network.
Transition Technologies
- Dual stack and tunneling are IPv6 transition technologies that support coexistence with IPv4.
Address Autoconfiguration
- Stateless Address Autoconfiguration (SLAAC) utilizes Router Solicitation and Router Advertisement packets for IPv6 hosts to generate addresses without a DHCPv6 server.
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Description
Test your knowledge on IPv4 addressing, including its structure, address classes, and subnet mask calculations. This quiz will cover DHCP, APIPA, and subnetting concepts, assessing your understanding of both IPv4 and IPv6 addressing schemes.
