Networking Week 6: Troubleshooting
and the Future of Networking Already
Passed
The protocol used to communicate network errors is known as __________. ✔✔ICMP, ICMP is
used to communicate errors back to the client.
The ping utility sends what message type? ✔✔echo request; By default, the ping utility sends an
Echo Request ICMP message type.
On Windows, one of the tools you can use to verify connectivity to a specific port is ________.
✔✔Test-NetConnection ; Test-NetConnection lets you test many things, including connectivity
to a specific port on a remote host.
One of Level 3's public DNS servers is ____________. ✔✔4.2.2.3; Level 3's public DNS servers
are 4.2.2.1 through 4.2.2.6
.Question 2
, A DNS resolver tool available on all major desktop operating systems is __________.
✔✔nslookup; nslookup is available by default on Windows, macOS, and Linux.
The organization responsible for DNS at a global level is ________. ✔✔ICANN; ICANN is
responsible for DNS at a global level.
A piece of software that runs and manages virtual machines is known as a __________.
✔✔hypervisor; A hypervisor manages many virtual instances running on a single host.
Office 365 Outlook is an example of _______. ✔✔SaaS; Office 365 Outlook is an example of
Software as a Service (SaaS).
A hybrid cloud is ________________. ✔✔a combination of a public cloud and a private cloud;
A hybrid cloud runs some services on a cloud provider and some services in-house.
An IPv6 address is how many bits long? ✔✔128; An IPv6 address is 128 bits long
The very first field in an IPv6 header is the _______. ✔✔version field; This field is used to
indicate what version of IP is being used.