Questions and Answers
What is the valid range used for a Class C private IP address?
192.168.0.0 through 192.168.255.255
Name some benefits of IPv6 over IPv4.
More available addresses, simpler header, options for authentication, and other security.
What is the term for the autoconfiguration technology responsible for addresses that start with 169.254?
Automatic Private IP Addressing (APIPA)
What defines a unicast address?
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What defines a multicast address?
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What is the name for a 48-bit (6-byte) numerical address physically assigned to a network interface, such as a NIC?
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What gives IPv6 the ability to reference more addresses than IPv4?
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What is the private address range for Class B networks?
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What is the Class C range of values for the first octet in decimal and in binary?
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What is the 127.0.0.1 address used for?
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Which type of packet is addressed and delivered to only a single interface?
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Which type of address is used just like a regular public routable address in IPv4?
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Which type of address is not meant to be routed?
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Which type of address is not meant to be routed to the internet but is still globally unique?
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Which type of address is meant to be delivered to multiple interfaces?
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Which type of address identifies multiple interfaces, but packets are delivered only to the first address it finds?
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Which addressing type is also referred to as one-to-nearest?
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What is the IPv6 loopback address?
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What does a link-local address always start with?
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What does a unique local unicast range start with?
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Convert the following MAC address into a EUI-64 address: 0b0c:abcd:1234
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Convert the following MAC address into a EUI-64 address: 060c:32f1:a4d2
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Convert the following MAC address into a EUI-64 address: 10bc:abcd:1234
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Convert the following MAC address into a EUI-64 address: 0d01:3a2f:1234
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Convert the following MAC address into a EUI-64 address: 0a0c:abac:caba
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Which of the following addresses is not allowed on the internet? (Select all that apply)
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A host automatically configured with an address from which of the following ranges indicates an inability to contact a DHCP server? (Select all that apply)
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Study Notes
IP Addressing Key Concepts
- Class C private IP address range: 192.168.0.0 to 192.168.255.255.
- IPv6 advantages over IPv4:
- Increased address availability
- Simpler header structure
- Options for authentication and security features.
Automatic Addressing and Unique Identifiers
- APIPA (Automatic Private IP Addressing):
- Assigns addresses starting with 169.254 when DHCP server contact fails.
- Unicast address:
- Assigned to a single interface, facilitating direct communication.
- Multicast address:
- Used for one-to-many communications, permitting efficient data distribution.
MAC and EUI-64 Addressing
- MAC address:
- A 48-bit address physically assigned to network interfaces (NICs).
- EUI-64 format conversion:
- A method used to create IPv6 addresses from a MAC address by inserting 'fffe' in the middle of the address and adjusting the prefix.
IPv6 Address Types
- IPv6 unicast:
- Addresses packets to a single interface.
- Global unicast:
- Functions like a public IPv4 address; routable on the Internet.
- Link-local:
- Not routed; used for communication within a local network segment.
- Unique local:
- Globally unique but not routed on the Internet, previously termed site-local.
- Multicast:
- Delivered to multiple interfaces simultaneously.
- Anycast:
- Delivered to the nearest member of a group of interfaces.
Special Addresses and Ranges
- IPv4 loopback address:
- 127.0.0.1 is used for diagnostics and local testing.
- IPv6 loopback address:
- ::1 serves the same purpose as 127.0.0.1.
- Link-local addresses:
- Always start with FE80::/10.
- Unique local unicast addresses:
- Begin with FC00::/7.
Private and Reserved Address Ranges
- Class B private address range:
- 172.16.0.0 to 172.31.255.255.
- Class C first octet range:
- Decimal: 192-223; Binary: 110xxxxx.
- Addresses not allowed on the Internet:
- The range 172.16.0.0 to 172.31.255.255 is restricted for private use to avoid conflicts in different administrative domains.
DHCP and Automatic Address Configuration
- An inability to contact a DHCP server is indicated by automatic configuration within the range:
- 169.254.0.x with a mask of 255.255.0.0 signifies usage of the link-local address space due to DHCP failure.
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Description
Test your knowledge of key concepts in IP addressing, including both IPv4 and IPv6. This quiz covers topics such as MAC addresses, automatic addressing, and various types of IP addresses. Perfect for networking students and professionals looking to refresh their understanding.
