The ability for a protocol or program to determine that something went wrong is known as ________.

When you send an Echo Request message with the ping program, a successful attempt will return an ______ message.

The Linux and macOS program traceroute is known by a slightly different name on Windows. It's referred to as ______.

While in an interactive nslookup session, you'd use the ______ keyword to change the DNS server you're using.

One of Google's public DNS servers is 8.8.8.8. The other one is ______ An organization responsible for assigning individual domain names to other organizations or individuals is known as a ______.

Question 12IPv6 addresses beginning with FE80:: are used for ______.

With virtualization, a single physical machine, called a host, can run many individual virtual instances, called ______.

Question 13

Following rules of compaction, the IPv6 address 2001:0db8:0000:0000:0000:ff00:0012:3456 could also be written as _______. For all IPv6 addresses, the network ID is always the first ______ bits. The equivalent of the TTL field in an IPv4 header is known as the ______ field in an IPv6 header. The IPV4 mapped address space within IPv6 always starts with _______ zeroes.

Question 13Following rules of compaction, the IPv6 address 2001:0db8:0000:0000:0000:ff00:0012:3456 could also be written as _______.

Question 12IPv6 addresses beginning with FE80:: are used for ______.