Questions and Answers
What field content is used by ICMPv6 to determine that a packet has expired?
Hop Limit field
Which of these addresses is the shortest abbreviation for the IP address: 3FFE:1044:0000:0000:00AB:0000:0000:0057?
3FFE:1044:0:0:AB:57
What type of address is automatically assigned to an interface when IPv6 is enabled on that interface?
link-local
What subnet mask is represented by the slash notation /20?
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Match each description with an appropriate IP address. (Not all options are used.)
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How many bits are in an IPv4 address?
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What is the purpose of the subnet mask in conjunction with an IP address?
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A message is sent to all hosts on a remote network. Which type of message is it?
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Which address assignment method allows hosts to automatically assign IPv6 addresses while obtaining the DNS server address from a DHCPv6 server?
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What is indicated by a successful ping to the ::1 IPv6 address?
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What is the decimal equivalent of the hex number 0x3F?
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What are three parts of an IPv6 global unicast address? (Choose three.)
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What are two types of IPv6 unicast addresses? (Choose two.)
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What is the purpose of ICMP messages?
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Which two things can be determined by using the ping command? (Choose two.)
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What does the IP address 172.17.4.250/24 represent?
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What is the binary equivalent of the decimal number 232?
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What is the decimal equivalent of the binary number 10010101?
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What are three characteristics of multicast transmission? (Choose three.)
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At what point would a router stop forwarding a packet in a tracert to a remote device?
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Which two parts are components of an IPv4 address? (Choose two.)
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Which protocol supports Stateless Address Autoconfiguration (SLAAC) for dynamic assignment of IPv6 address to a host?
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Which three IP addresses are private? (Choose three.)
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Which two IPv4 to IPv6 transition techniques manage the interconnection of IPv6 domains? (Choose two.)
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Study Notes
ICMPv6 and IPv6 Addressing
- The Hop Limit field within ICMPv6 packets is used to determine when a packet has expired.
- Shortest abbreviation for the IPv6 address 3FFE:1044:0000:0000:00AB:0000:0000:0057 is 3FFE:1044:0:0:AB:57.
- An interface automatically receives a link-local address when IPv6 is enabled.
Subnet Masks and Address Types
- A subnet mask represented by the notation /20 corresponds to 255.255.240.0.
- IPv4 addresses can be categorized, with examples including:
- 169.254.1.5 as a link-local address.
- 192.0.2.123 as a TEST-NET address.
- 172.19.20.5 as a private address.
- 127.0.0.1 as a loopback address.
- 240.2.6.255 as an experimental address.
IPv4 and ICMP Information
- An IPv4 address consists of 32 bits.
- Subnet masks are essential for identifying the subnet of an IP address.
- Directed broadcast messages are sent to all hosts on a remote network.
IPv6 Address Assignment and Testing
- Stateless DHCPv6 allows hosts to automatically configure IPv6 addresses via Router Advertisement and obtain DNS server addresses.
- Successfully pinging the IPv6 address ::1 confirms proper installation of IP on the host.
Number Conversion and Address Composition
- The hexadecimal number 0x3F equals 63 in decimal form.
- An IPv6 global unicast address includes:
- A global routing prefix provided by the ISP.
- A subnet ID for identifying local networks.
- An interface ID to identify the local host.
Unicast Address Types and ICMP Functions
- Two types of IPv6 unicast addresses are loopback and link-local.
- ICMP messages serve to provide feedback on the transmission of IP packets.
Ping Command Utility
- The ping command can determine if a destination device is reachable and measure the average response time.
Host Address and Binary Conversion
- The IP address 172.17.4.250/24 is identified as a host address.
- The decimal number 232 corresponds to the binary equivalent of 11101000.
- The binary number 10010101 is equivalent to 149 in decimal.
Characteristics of Multicast Transmission
- Multicast transmission allows for routing information exchange and is reserved within the range of 224.0.0.0 to 224.0.0.255 for local multicast groups.
- A single multicast packet can be sent to multiple hosts.
Tracert and TTL Behavior
- In a tracert operation, a router ceases packet forwarding when the TTL (Time To Live) value reaches zero.
IPv4 Address Components
- An IPv4 address has two main components: the network portion and the host portion.
IPv6 Transition Techniques
- Common techniques for managing IPv4 to IPv6 transitions include:
- Dual stack deployment to support both protocols.
- Tunneling methods to facilitate interconnection of IPv6 domains.
Private IP Address Ranges
- The following IP addresses are classified as private:
- 10.1.1.1
- 172.16.4.4
- 192.168.5.5
Studying That Suits You
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Description
Test your knowledge with these flashcards on Chapter 7 of the CCNA 1 course from CISCO NetAcad. This quiz covers key concepts related to ICMPv6, address abbreviations, and IPv6 configurations. Perfect for exam preparation and review.
