The Bits and Bytes of Computer Networking. Week 6
Troubleshooting and the Future of Networking Questions
and Answers (2022/2023) (Verified Answers)
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.
The IPv6 header field that indicates how many routers can forward a packet before it's
discarded is called the ________.
hop limit field ; The hop limit field configures how many routers can try to forward a
packet before it's discarded.
The ability for a protocol or program to determine that something went wrong is known
as ________.
Error detection; Error detection is determining that an error occurred; error recovery is
attempting to fix this error automatically.
The Linux and macOS program traceroute is known by a slightly different name on
Windows. It's referred to as ______.
tracert; These programs operate slightly differently and have slightly different names.
The IPv6 loopback address is _____.
0000:0000:0000:0000:0000:0000:0000:0001; The IPv6 loopback address is a great
example of how IPv6 address compaction works.
Troubleshooting and the Future of Networking Questions
and Answers (2022/2023) (Verified Answers)
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.
The IPv6 header field that indicates how many routers can forward a packet before it's
discarded is called the ________.
hop limit field ; The hop limit field configures how many routers can try to forward a
packet before it's discarded.
The ability for a protocol or program to determine that something went wrong is known
as ________.
Error detection; Error detection is determining that an error occurred; error recovery is
attempting to fix this error automatically.
The Linux and macOS program traceroute is known by a slightly different name on
Windows. It's referred to as ______.
tracert; These programs operate slightly differently and have slightly different names.
The IPv6 loopback address is _____.
0000:0000:0000:0000:0000:0000:0000:0001; The IPv6 loopback address is a great
example of how IPv6 address compaction works.
