IPv6 : What Do You Know About Internet Protocol Version 6? Trivia Quiz

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| By Grovercr1
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Quizzes Created: 2 | Total Attempts: 632
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  • 1/37 Questions

    Which command enables IPv6 forwarding on a Cisco router?

    • IPv6 host
    • IPv6 unicast-routing
    • IPv6 local
    • IPv6 neighbor
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About This Quiz

Explore the intricacies of Internet Protocol version 6 (IPv6) through this engaging trivia quiz. Test your knowledge on IPv6 address formats, routing protocols, and more, enhancing your understanding of modern networking technologies and their applications.

IPv6 : What Do You Know About Internet Protocol Version 6? Trivia Quiz - Quiz

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  • 2. 

    Which type of IPv6 unicast IP address is reachable across the Internet?

    • Unique Local

    • Compatible

    • Link local

    • Global

    Correct Answer
    A. Global
    Explanation
    A global IPv6 unicast IP address is reachable across the Internet. Global addresses are unique and assigned by Internet Assigned Numbers Authority (IANA) or regional Internet registries (RIRs). They are used for communication over the Internet and are globally routable, allowing devices to communicate with each other across different networks and geographical locations.

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  • 3. 

    What is known as one-to-nearest addressing in IPv6?

    • Global unicast

    • Anycast

    • Multicast

    • Unspecified address

    Correct Answer
    A. Anycast
    Explanation
    Anycast addressing in IPv6 refers to a communication method where a single destination address is used to represent a group of devices. When a packet is sent to an anycast address, it is delivered to the nearest device within the group. This allows for efficient and reliable routing of traffic to the closest available device, improving performance and reducing network congestion. Anycast addressing is commonly used for services that require high availability and low latency, such as content delivery networks (CDNs) or Domain Name System (DNS) servers.

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  • 4. 

    Which command can you enter to configure an IPv6 floating static route?

    • Router(config)# ipv6 route static resolve default

    • Router(config)# ipv6 route::/0 serial0/1

    • Router(config)# ipv6 route FE80:0202::/32 serial 0/1 201

    • Router(config)# ipv6 route FE80:0202::/32 serial 0/1 1

    Correct Answer
    A. Router(config)# ipv6 route FE80:0202::/32 serial 0/1 201
  • 5. 

    Which statement about IPv6 link-local addresses is true?

    • They must be configured on all IPv6 interface

    • They must be globally unique

    • They must be manually configured

    • They are advertised globally on the network

    Correct Answer
    A. They must be configured on all IPv6 interface
    Explanation
    IPv6 link-local addresses are automatically assigned to all IPv6 interfaces, and they do not need any manual configuration. These addresses are used for communication within a local network segment and are not globally unique. They are not advertised globally on the network, as their scope is limited to the local network. Therefore, the statement "They must be configured on all IPv6 interfaces" is true.

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  • 6. 

    You enter the “show ipv6 route” command on an OSPF device and the device displays a route. Which conclusion can you draw about the environment?

    • OSPF is distributing IPv6 routes to BGP.

    • The router is designated as an ABR.

    • The router is designated as totally stubby.

    • OSPFv3 is in use.

    Correct Answer
    A. OSPFv3 is in use.
    Explanation
    The command "show ipv6 route" displays IPv6 routes, and the fact that the device displays a route indicates that OSPFv3 is in use. This command specifically shows the IPv6 routing table, so it confirms the usage of OSPFv3 for IPv6 routing.

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  • 7. 

    Which address block identifies all link-local addresses?

    • FC00::/7

    • FC00::/8

    • FE80::/10

    • FF00::/8

    Correct Answer
    A. FE80::/10
    Explanation
    The address block FE80::/10 identifies all link-local addresses. Link-local addresses are used for communication within a single network segment and are not routable outside of that segment. The FE80::/10 block is reserved specifically for link-local addresses in IPv6.

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  • 8. 

    What is the binary pattern of unique IPv6 unique local address?

    • 00000000

    • 11111100

    • 11111111

    • 11111101

    Correct Answer
    A. 11111100
    Explanation
    The binary pattern 11111100 represents the unique local address in IPv6. This address range is reserved for private networks and is not globally routable on the internet. It allows organizations to create their own private network addressing scheme without conflicting with public IP addresses. The first 7 bits (1111110) in the pattern indicate that it is a unique local address, while the last bit (0) distinguishes it from a global unicast address.

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  • 9. 

    Which protocol does IPv6 use to discover other IPv6 nodes on the same segment?

    • CLNS

    • TCPv6

    • NHRP

    • NDP

    • ARP

    Correct Answer
    A. NDP
    Explanation
    IPv6 uses NDP (Neighbor Discovery Protocol) to discover other IPv6 nodes on the same segment. NDP is responsible for tasks such as address resolution (similar to ARP in IPv4), neighbor unreachability detection, and router discovery. It allows IPv6 nodes to determine the link-layer addresses of neighboring nodes, confirm the reachability of neighboring nodes, and learn the presence of routers on the link. Therefore, NDP plays a crucial role in facilitating communication and maintaining connectivity in IPv6 networks.

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  • 10. 

    Which IPv6 function serves the same purpose as ARP entry verification on an IPv4 network?

    • Interface ip address verification

    • MAC address table verification

    • Neighbor discovery verification

    • Routing table entry verification

    Correct Answer
    A. Neighbor discovery verification
    Explanation
    Neighbor discovery verification serves the same purpose as ARP entry verification on an IPv4 network. Neighbor discovery is a protocol in IPv6 that allows nodes to discover and verify the link-layer addresses (similar to MAC addresses) of neighboring nodes on the same network. This is similar to ARP (Address Resolution Protocol) in IPv4, which is used to discover and verify the MAC addresses of devices on an IPv4 network. Therefore, neighbor discovery verification is the correct answer as it performs the same function as ARP entry verification in IPv4.

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  • 11. 

    What is the correct command for floating static IPv6 route?

    • Ipv6 route 2001:DB8::/32 serial 2/0 201

    • Ipv6 route 2001:DB8::/32 serial 2/0 1

    Correct Answer
    A. Ipv6 route 2001:DB8::/32 serial 2/0 201
    Explanation
    The correct command for floating static IPv6 route is "ipv6 route 2001:DB8::/32 serial 2/0 201". This command sets up a static route for the IPv6 network 2001:DB8::/32 to be forwarded out of the serial interface 2/0 with a metric of 201. This means that if there are multiple routes available for the destination network, this route will be used as a backup or secondary route with a higher metric value.

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  • 12. 

    Which type of IP address of IPv6 that also exists in IPv4 but barely used?

    • Unicast

    • Multicast

    • Anycast

    • Broadcast

    Correct Answer
    A. Anycast
    Explanation
    Anycast is the correct answer because it is a type of IP address that exists in both IPv6 and IPv4 but is rarely used. Anycast allows multiple devices to share the same IP address, but the data is sent to the nearest device in terms of network topology. This is different from unicast, multicast, and broadcast, which are all commonly used in both IPv6 and IPv4.

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  • 13. 

    In which two formats can the IPv6 address fd15:0db8:0000:0000:0700:0003:400F:572B be written?

    • Fd15:0db8:0000:0000:700:3:400F:527B

    • Fd15:0db8::7:3:4F:527B

    • D15::db8::700:3:400F:527B

    • Fd15:db8::700:3:400F:572B

    • Fd15:db8:0::700:3:4F:527B

    Correct Answer(s)
    A. Fd15:0db8:0000:0000:700:3:400F:527B
    A. Fd15:db8::700:3:400F:572B
    Explanation
    The IPv6 address fd15:0db8:0000:0000:0700:0003:400F:572B can be written in two formats: fd15:0db8:0000:0000:700:3:400F:527B and fd15:db8::700:3:400F:572B. In the first format, the leading zeros in each block can be omitted. In the second format, consecutive blocks of zeros can be replaced with a double colon (::).

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  • 14. 

    How many bit represents the network ID in IPv6?

    • 32

    • 48

    • 64

    • 128

    Correct Answer
    A. 64
    Explanation
    In IPv6, the network ID is represented by 64 bits. This means that the first 64 bits of an IPv6 address are used to identify the network portion of the address, while the remaining 64 bits are used for the host portion. This allows for a large number of unique network addresses to be created in IPv6, compared to the limited number available in IPv4.

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  • 15. 

    Which tunneling mechanism embeds an IPv4 address within an IPv6 address?

    • Teredo

    • 6to4

    • 4to6

    • GRE

    • ISATAP

    Correct Answer
    A. 6to4
    Explanation
    The 6to4 tunneling mechanism embeds an IPv4 address within an IPv6 address. This allows IPv6 packets to be transmitted over an IPv4 network. The 6to4 tunneling mechanism uses a special IPv6 address format that includes the IPv4 address as part of the address. This allows IPv6 packets to be encapsulated within IPv4 packets and sent over an IPv4 network. The receiving end of the tunnel decapsulates the IPv6 packets and processes them as regular IPv6 packets.

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  • 16. 

    Which three statements about IPv6 prefixes are true?

    • FF00:/8 is used for IPv6 multicast.

    • FE80::/10 is used for link-local unicast.

    • FC00::/7 is used in private networks.

    • 2001::1/127 is used for loopback addresses.

    • FE80::/8 is used for link-local unicast.

    • FEC0::/10 is used for IPv6 broadcast.

    Correct Answer(s)
    A. FF00:/8 is used for IPv6 multicast.
    A. FE80::/10 is used for link-local unicast.
    A. FC00::/7 is used in private networks.
  • 17. 

    What is one requirement for interfaces to run IPv6?

    • An IPv6 address must be configured on the interface.

    • An IPv4 address must be configured.

    • Stateless autoconfiguration must be enabled after enabling IPv6 on the interface.

    • IPv6 must be enabled with the ipv6 enable command in global configuration mode.

    Correct Answer
    A. An IPv6 address must be configured on the interface.
    Explanation
    To run IPv6, it is necessary to configure an IPv6 address on the interface. This is because IPv6 uses a different addressing scheme compared to IPv4. Configuring an IPv6 address on the interface allows the device to communicate using IPv6 protocols and ensures compatibility with IPv6 networks.

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  • 18. 

    What are three parts of an IPv6 global unicast address?

    • An interface ID that is used to identify the local host on the network.

    • An interface ID that is used to identify the local network for a particular host.

    • A subnet ID that is used to identify networks inside of the local enterprise site

    • A global routing prefix that is used to identify the network portion of the address that has been provided by an ISP

    • A global routing prefix that is used to identify the portion of the network address provided by a local administrator

    Correct Answer(s)
    A. An interface ID that is used to identify the local host on the network.
    A. A subnet ID that is used to identify networks inside of the local enterprise site
    A. A global routing prefix that is used to identify the network portion of the address that has been provided by an ISP
    Explanation
    An IPv6 global unicast address consists of three parts. The first part is the interface ID, which is used to identify the local host on the network. The second part is the subnet ID, which is used to identify networks within the local enterprise site. The third part is the global routing prefix, which is used to identify the network portion of the address provided by an ISP. Together, these three parts form a complete IPv6 global unicast address.

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  • 19. 

    Which two statements describe the characteristics of IPv6 unicast addressing?

    • Global addresses start with 2000::/3

    • Link-local addresses start with FE00:/12

    • Link-local addresses start with FF00::/10

    • There is only one loopback address and it is ::1

    • If a global address is assigned to an interface, then that is the only allowable address for the interface.

    Correct Answer(s)
    A. Global addresses start with 2000::/3
    A. There is only one loopback address and it is ::1
    Explanation
    IPv6 global addresses start with the prefix 2000::/3, which means that the first three bits of the address are fixed and set to 001. This allows for a large number of global addresses to be assigned. Additionally, there is only one loopback address in IPv6, which is represented as ::1. This address is used for testing and communication within the device itself.

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  • 20. 

    Which IPv6 header field is equivalent to the TTL?

    • Hop Limit

    • Flow Label

    • TTD

    • Hop Count

    • Scan Timer

    Correct Answer
    A. Hop Limit
    Explanation
    The correct answer is "Hop Limit". In IPv6, the Hop Limit field serves the same purpose as the TTL (Time to Live) field in IPv4. It is an 8-bit field that limits the number of hops or routers that a packet can traverse before being discarded. Each router that processes the packet decrements the Hop Limit value by 1. When the Hop Limit reaches zero, the packet is discarded. This mechanism helps to prevent packets from endlessly circulating in the network and ensures efficient routing.

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  • 21. 

    Which command can you enter to verify that a 128-bit address is live and responding?

    • Traceroute

    • Telnet

    • Ping

    • Ping ipv6

    Correct Answer
    A. Ping ipv6
    Explanation
    The command "ping ipv6" can be entered to verify that a 128-bit address is live and responding. The "ping" command is commonly used to test network connectivity, and by specifying "ipv6" after it, it specifically tests the connectivity using IPv6 protocol. This command sends a small packet of data to the specified address and waits for a response, confirming that the address is live and responsive.

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  • 22. 

    What are three features of the IPv6 protocol?

    • Complicated header

    • Plug-and-play

    • No broadcasts

    • Checksums

    • Optional IPsec

    • Autoconfiguration

    Correct Answer(s)
    A. Plug-and-play
    A. No broadcasts
    A. Autoconfiguration
    Explanation
    IPv6 has three features: plug-and-play, no broadcasts, and autoconfiguration. Plug-and-play refers to the ability of devices to automatically configure themselves when connected to a network, without the need for manual configuration. No broadcasts means that IPv6 does not use broadcast messages for communication, reducing network traffic. Autoconfiguration allows devices to assign themselves an IPv6 address without the need for a centralized server, simplifying network setup and management.

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  • 23. 

    Which technology supports the stateless assignment of IPv6 addresses?

    • DNS

    • DHCPv6

    • DHCP

    • Autoconfiguration

    Correct Answer
    A. DHCPv6
    Explanation
    DHCPv6 (Dynamic Host Configuration Protocol for IPv6) supports the stateless assignment of IPv6 addresses. DHCPv6 allows devices to obtain IPv6 addresses and other network configuration information automatically without the need for manual configuration. It provides a centralized management system for assigning and managing IPv6 addresses, making it easier to deploy and manage large-scale IPv6 networks.

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  • 24. 

    Which entity assigns IPv6 addresses to end users?

    • ICANN

    • APNIC

    • RIR

    • ISPs

    Correct Answer
    A. ISPs
    Explanation
    ISPs, or Internet Service Providers, assign IPv6 addresses to end users. ISPs are responsible for providing internet connectivity to individuals and organizations, and part of their role includes assigning IP addresses to their customers. IPv6 addresses are necessary for devices to communicate and connect to the internet, and ISPs play a crucial role in distributing these addresses to end users.

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  • 25. 

    Which IPv6 routing protocol uses multicast group FF02::9 to send updates?

    • Static

    • RIPng

    • OSPFv3

    • IS-IS for IPv6

    Correct Answer
    A. RIPng
    Explanation
    RIPng (Routing Information Protocol next generation) is the correct answer. RIPng is an IPv6 routing protocol that uses multicast group FF02::9 to send updates. RIPng is designed to replace the older version of RIP (Routing Information Protocol) for IPv4 in IPv6 networks. It uses hop count as the metric to determine the best path to a destination network. RIPng is a distance-vector routing protocol and is commonly used in small to medium-sized networks.

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  • 26. 

    Which two statements about unique local IPv6 addresses are true?

    • They are identical to IPv4 private addresses.

    • They are defined by RFC 1884

    • They use the prefix FEC0::/10

    • They use the prefix FC00::/7

    • They can be routed on the IPv6 global internet.

    Correct Answer(s)
    A. They are identical to IPv4 private addresses.
    A. They use the prefix FC00::/7
  • 27. 

    Which header field is new on IPv6?

    • Version

    • Hop Limit

    • Flow Label

    • Traffic Class

    Correct Answer
    A. Flow Label
    Explanation
    The IPv6 header includes a new field called the Flow Label. This field is used to identify packets belonging to a specific flow, which can be useful for quality of service (QoS) purposes. The Flow Label allows routers to prioritize and handle packets belonging to the same flow in a consistent manner, ensuring that they receive the appropriate treatment throughout the network.

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  • 28. 

    Which two statements about IPv6 address 2002:ab10:beef::/48 are true?

    • The embedded IPv4 address can be globally routed

    • It is used for an ISATAP tunnel

    • The embedded IPv4 address is an RFC 1918 address

    • The MAC address 20:02:b0:10:be:ef is embedded into the IPv6 address

    • It is used for a 6to4 tunnel

    Correct Answer(s)
    A. The embedded IPv4 address can be globally routed
    A. It is used for a 6to4 tunnel
    Explanation
    The IPv6 address 2002:ab10:beef::/48 allows for the embedding of an IPv4 address, which can be globally routed. This means that the IPv4 address can be reached from anywhere on the internet. Additionally, the address is used for a 6to4 tunnel, which is a method of encapsulating IPv6 packets within IPv4 packets to allow them to traverse IPv4 networks. Therefore, both statements are true.

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  • 29. 

    What is the most efficient subnet mask for a point to point IPv6 connection?

    • /127

    • /128

    • /64

    • /48

    • /32

    Correct Answer
    A. /127
    Explanation
    The most efficient subnet mask for a point to point IPv6 connection is /127. This is because /127 provides only 2 usable addresses, which is sufficient for a point to point connection where only two devices need to communicate directly with each other. Using a larger subnet mask, such as /64 or /48, would result in wasting a large number of addresses that are not needed for this specific type of connection. A /127 subnet mask conserves address space and ensures efficient utilization.

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  • 30. 

    Which statements about IPv6 prefixes are true?

    • FEC0::/10 is used for IPv6 broadcast.

    • FC00::/7 is used in private networks.

    • FE80::/8 is used for link-local unicast.

    • FE80::/10 is used for link-local unicast

    • 2001::1/127 is used for loopback addresses.

    • FF00::/8 is used for IPv6 multicast.

    Correct Answer(s)
    A. FC00::/7 is used in private networks.
    A. FE80::/10 is used for link-local unicast
    A. FF00::/8 is used for IPv6 multicast.
  • 31. 

    Which statements about IPv6 and routing protocols are true?

    • EIGRPv3 was developed to support IPv6 routing.

    • OSPFv3 was developed to support IPv6 routing

    • Loopback addresses are used to form routing adjacencies.

    • EIGRP, OSPF, and BGP are the only routing protocols that support IPv6.

    • Link-local addresses are used to form routing adjacencies.

    Correct Answer(s)
    A. OSPFv3 was developed to support IPv6 routing
    A. Link-local addresses are used to form routing adjacencies.
  • 32. 

    Which two features can dynamically assign IPv6 addresses?

    • IPv6 stateless autoconfiguration

    • DHCP

    • NHRP

    • IPv6 stateful autoconfiguration

    • ISATAP tunneling

    Correct Answer(s)
    A. IPv6 stateless autoconfiguration
    A. IPv6 stateful autoconfiguration
    Explanation
    IPv6 stateless autoconfiguration and IPv6 stateful autoconfiguration are the two features that can dynamically assign IPv6 addresses.

    IPv6 stateless autoconfiguration allows hosts to automatically configure their IPv6 addresses by using information available on the local network, such as the prefix advertised by the router. This feature does not require a DHCP server.

    IPv6 stateful autoconfiguration, on the other hand, involves the use of a DHCPv6 server to assign IPv6 addresses to hosts. This method provides more control and flexibility in address assignment compared to stateless autoconfiguration.

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  • 33. 

    Which two statements about the “tunnel mode ipv6ip” command are true?

    • It enables the transmission of IPv6 packets within the configured tunnel.

    • It specifies IPv4 as the encapsulation protocol.

    • It specifies IPv6 as the encapsulation protocol

    • It specifies IPv6 as the transport protocol.

    • It specifies that the tunnel is a Teredo tunnel.

    Correct Answer(s)
    A. It enables the transmission of IPv6 packets within the configured tunnel.
    A. It specifies IPv4 as the encapsulation protocol.
    Explanation
    The "tunnel mode ipv6ip" command enables the transmission of IPv6 packets within the configured tunnel. Additionally, it specifies IPv4 as the encapsulation protocol. This means that the IPv6 packets are encapsulated within IPv4 packets for transmission over an IPv4 network.

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  • 34. 

    What are the types of IPv6 static routes?

    • Recursive routes

    • Directly connected routes

    • Fully specified routes

    • Advertised routes

    • Virtual links

    • Redistributed routes

    Correct Answer(s)
    A. Recursive routes
    A. Directly connected routes
    A. Fully specified routes
    Explanation
    The types of IPv6 static routes are recursive routes, directly connected routes, and fully specified routes. Recursive routes refer to routes that are learned from another router. Directly connected routes are routes that are directly connected to the router. Fully specified routes are routes that are manually configured with the destination network and next-hop address. Advertised routes, virtual links, and redistributed routes are not types of IPv6 static routes.

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  • 35. 

    In which three ways is an IPv6 header simpler than an IPv4 header?

    • Unlike IPv4 headers, IPv6 headers have a fixed length.

    • IPv6 uses an extension header instead of the IPv4 Fragmentation field.

    • IPv6 headers eliminate the IPv4 Checksum field.

    • IPv6 headers use the Fragment Offset field in place of the IPv4 Fragmentation field.

    • IPv6 headers use a smaller Option field size than IPv4 headers.

    • IPv6 headers use a 4-bit TTL field, and IPv4 headers use an 8-bit TTL field.

    Correct Answer(s)
    A. Unlike IPv4 headers, IPv6 headers have a fixed length.
    A. IPv6 uses an extension header instead of the IPv4 Fragmentation field.
    A. IPv6 headers eliminate the IPv4 Checksum field.
    Explanation
    The IPv6 header is simpler than the IPv4 header in three ways. Firstly, IPv6 headers have a fixed length, unlike IPv4 headers. Secondly, IPv6 uses an extension header instead of the IPv4 Fragmentation field. Lastly, IPv6 headers eliminate the IPv4 Checksum field.

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  • 36. 

    Which two statements about IPv6 router advertisement messages are true?

    • They use ICMPv6 type 134.

    • The advertised prefix length must be 64 bits.

    • The advertised prefix length must be 48 bits.

    • They are sourced from the configured IPv6 interface address.

    • Their destination is always the link-local address of the neighboring node.

    Correct Answer(s)
    A. They use ICMPv6 type 134.
    A. The advertised prefix length must be 64 bits.
    Explanation
    IPv6 router advertisement messages use ICMPv6 type 134 to advertise network information to neighboring nodes. The advertised prefix length must be 64 bits, as this is the recommended length for IPv6 subnets.

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  • 37. 

    Which two statements about IPv6 address fd14:920b:f83d:4079::/64 are true?

    • The subnet ID is 14920bf83d

    • The subnet ID is 4079

    • The global ID is 14920bf83d

    • The address is a link-local address

    • The global ID is 4079

    • The address is a unique local address

    Correct Answer(s)
    A. The subnet ID is 4079
    A. The address is a unique local address
    Explanation
    The subnet ID is 4079 because it is the last 16 bits of the given IPv6 address. The address is a unique local address because the prefix fd00::/8 is reserved for unique local addresses.

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Quiz Review Timeline (Updated): Mar 20, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 25, 2018
    Quiz Created by
    Grovercr1
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