This latest quiz is focused on IPv6 with a bias to Cisco Systems. These questions are what one could expect on a CCNP or CCIE exam across various tracks. Enjoy!
IPv6 Quiz - Cisco Bias
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What is the minimum MTU size that is required for an IPv6 packet?
Question 1 Explanation:
While the minimum supported MTU size was 576 Bytes with IPv4, with IPv6 this minimum has increased to 1280 Bytes.
What is the interface configuration mode command that is used to enable RIPng?
ipv6 router ripng
ipv6 ripng enable
ipv6 rip enable
ipv6 router rip
Question 2 Explanation:
RIP (like other IPv6 routing protocols) is enabled on the interface, this is done with the ipv6 rip name enable command. The ipv6 router rip name command is used to change process-wide variables (like maximum paths). Another example is OSPF. This is configured under an interface with ipv6 ospf 1 area 0, for example. Notice the process ID is set to 1 and the area is the backbone (0).
Which of the following command would correctly permit SSH traffic from any IPv6 source to the 2001::/64 network?
permit tcpv6 2001::/64 any eq ssh
permit tcpv6 any 2001::/64 eq ssh
permit tcp 2001::/64 any eq ssh
permit tcp any 2001::/64 eq ssh
Question 3 Explanation:
IPv6 ACL statements are very similar to IPv4 ACL statements except wildcard marks are not used; in this case the permit tcp any 2001::/64 eq ssh statement accomplishes the goals, allowing traffic from any source to pass to the 2000::/64 network over SSH.
What is the command that is used to enable an IPv6 DHCP Relay Agent?
ipv6 helper-address ipv6-address
ipv6 forwarding-address ipv6-address
ipv6 dhcp relay ipv6-address
ipv6 dhcp relay destination ipv6-address
Question 4 Explanation:
The need for a DHCP relay agent with IPv6 is the same as it is with IPv4; the configuration is slightly different but the operation is similar at a high level. The ipv6 dhcp relay destination ipv6-address command is used on the router that connects to the client segment and points to the unicast address of the DHCP server.
What is the name of the feature that can be used to translate between an outside IPv6 global prefix to an inside unique local or separate global prefix?
Question 5 Explanation:
The Network Prefix Translation (NPTv6) feature is used to translate between an outside IPv6 global prefix to an inside unique local or separate global prefix.
Which of the following DNS record types resolves hostnames into IPv6 addresses?
Question 6 Explanation:
A Hosts (AAAA) record is used to resolve a Fully Qualified Domain Name (FQDN) to a IPv6 address.
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