ncti 2, NCTI jones, ROC II, Course 1,
NTCI: Troubleshooting Advanced
Services
What is the definition of a home media network? - correct answer the home media
network is defined as a collection of computer and media devices connected together
on a single network
Broadband cable operators view tv everwhere as the answer to what competitive
service? - correct answer the streaming of media, television programs, movies, music,
into data packets that can be received over the internet or OTT
How many home network devices categories have been defined by the DLNA? - correct
answer , dms, dmp, dmr, dmc, dmpr
what is the role of the router in the home media network - correct answer operating
between the modem and the rest of the network, the router assigns internet protocol ip
address to all of the network elements, then uses the ip addresses to direct traffic
among network elements
what is the trend that desktop computers are moving toward in many homes? - correct
answer desktop computers are moving toward being used as a home network server
what does a home network printer have that enables it to operate through a network
connection? - correct answer network interface card
a network attached storage NAs element should be connected to what element in the
home media network? - correct answer router
what entertainment multimedia elements are capable of receiving and converting
streamed over the top media into television format? - correct answer streaming media
players, many blu ray disc players, gaming consoles, and smart tv
what could result if a customer's network has a data throughput of 6 megabits per
second and three different tvs streaming at 12 Mbs each - correct answer all three
HDTVs will experience glitches, annoying visual artifacts, or buffering
which release of the institute of electrical and electronics engineers 802.11 specification
was the first wireless accepted wireless standard to be branded with the wifi name? -
correct answer 802.11
which of the following is a method for controlling expectations? - correct answer
identify the source of emotional overload
,which of the following best describes stereotyped thinking? - correct answer
presuming that all members of a group have certain characteristics
the attribute of being active as a critical thinker means? - correct answer you observe
and take notes relevant to the issue
what kind of reasoning is described as applying a general statement that you know to
be true to a new situation? - correct answer -deductive
it is essential to pay attention to warning signs of stress overload, poor attitude is one of
the behaviors that may indicate that you are overstressed, what are symptoms of poor
attitude behavior? - correct answer a significant change in attitude with a noticeable
movement toward negative, hostile, cynical, or paranoid thoughts
.you are at a customer's home and you are asking the customer whether the program is
intermittent or constant. Which step are you using from the six step troubleshooting
process? - correct answer identifying the problem
. how can you use the five Ws technique for note taking when troubleshooting a
problem? - correct answer ask questions that begin with who, what, when, where, and
why? Write down the answers to help in your analysis of the problem
you are at a customer's home and you believe you have solved the problem, when do
you check to be sure the resolution did not introduce any new problems which step are
you using from the six step process? - correct answer verifying the solution
to break the habit of a negative self-talk cycle - correct answer tell yourself not now
and move onto a positive thought whenever negative ones occur
.by taking control of the expectations you have, you are - correct answer more likely to
improve your motivation and be a better problem solver
what internet protocol addresses modes can a docsis 3.0 and 3.1 modem be
provisioned in? - correct answer ipv4, ipv6, apm, and dpm
how does internet protocol multicast differ from broadcast? - correct answer -multicast
traffic is only sent to specific modem addresses on the network, broadcast is sent to all
modems on the network
which step in the troubleshooting process requires a discussion with the customer to
gather more detail about the problem? - correct answer step 1-identify the problem
when analyzing a problem, what can the technician learn by asking the customer to
show or demonstrate the problem? - correct answer symptoms of the problem can be
viewed and any unusual screens or customer entries can be identified
, when using a digital analyzer to troubleshoot data throughput in the docsis network,
what is the minimum modulation error MER into the cable modem for a 256 QAM carrier
- correct answer 32Db or greater
which docsis layer is used by the cmts to differentiate between cable modems? - correct
answer the mac layer
how many upstream channels can be bonded in docsis 3.0? - correct answer 4
upstream
in the docsis network, why is the data throughput over the return path typically less then
the forward or downstream? - correct answer narrower bandwidths and lower orders
of modulation
. what would be the downstream throughput if 256 quam channels with a throughput of
38 mbs were bonded? - correct answer 76 mbs
what are two features that were added in the docsis 3.1 to extend the viability of HFC
into the next decade? - correct answer OFDM and LDPC
if a customer already has television service and is adding high speed data service, what
should be checked on the digital television channels? - correct answer intermittent
operation, which is a symptom of noise interference in the downstream
To resolve where the source of a digital video problem lies, a technician uses... - correct
answer The divide-and-conquer method for troubleshooting, which can begin with
measurements on customer premise equipment that offer easier access for testing
IPV4 addressing - correct answer Which of the following is a feature of DOCSIS 2.0?
Installing a cable modem and router in a closet or utility room is simplified by having
what items in the room? - correct answer working computer, platform for modem and
router, twisted pair network cable with standard configurations
Third generation (3G). - correct answer Which of the following technologies allows
Internet access for mobile phone users?
In addition to being accurate and detailed, a successful troubleshooter knows that... -
correct answer A critical step in troubleshooting is verifying the signal levels and
signal quality at the tap to establish the baseline performance for the installation.
what version of the docsis specification included the option to increase the tap
frequency of the upstream to 85 Mhz? - correct answer Docsis 3.0