Exam (elaborations)
NCTI 5 to 6
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Exam of 9 pages for the course NCTI 5 to 6 at NCTI 5 to 6 (NCTI 5 to 6)
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NCTI 5 to 6Local Area Network (LAN) Correct Ans - Which small, network is
private to the organization, sharing a common communications line linking
together devices such as computers, printers, and other peripherels?
MAC Address Correct Ans - Which of the following is a unique address
that is physically assigned devices such as a modem or a network interface
card(NIC)?
Data Link Layer and Physical Layer Correct Ans - Which two layers of
the Open Systems Interconnection (OSI) reference model are combined in the
transmission control protocol/Internet protocol (TCP/IP) model Network
Access Layer?
Internet protocol version 4 (IPV4) Correct Ans - Which protocol has
four numeric fields, each 8 binary bits long, called "octets"?
Static Internet protocol (IP) addressing Correct Ans - Which of the
following data services does a business use because it works best for
dedicated services, such as hosting a website or Internet server, email, and file
transfer protocol (FTP)?
CMP - Plenum rated cable Correct Ans - Which type of unshielded
twisted-pair (UTP) cable does not easily catch fire and is designed to smoke
very little so that toxic fumes are not circulated through a building?
Default gateway Correct Ans - Static Internet protocol (IP) address
settings are manually configured using the IP address, the Preferred DNS
server, the Alternate DNS server, and the Subnet mask settings. Which setting
is missing from the list?
Zero percent packet loss and a stable ping time Correct Ans - What
determines the overall quality of a stable internet service?
Ping Correct Ans - Which command line entry is used for testing
latency, packet loss, and the general health of the modem?
, Diagnose the symptoms Correct Ans - Which step in the six-step
troubleshooting process uses the information that was gathered to identify
the cause of the problem and find the most likely solution?
Verify that an auto program has been run or that the correct commercial TV
configuration file in use. Correct Ans - When troubleshooting a missing
channel issue on a media distribution gateway for a commercial property,
what should be done?
If you can gain access to another room for troubleshooting purposes.
Correct Ans - If an issue is found with a single set-back box (SBB) or digital
terminal adapter (DTA) during the verification process, what is the first thing
you should determine?
Leverage multiple sources for information by taking to the customer's office
staff, maintenance staff, and those impacted by the problem. Correct Ans -
What is the best way to gather information to create a clear and concise
problem statement?
Customer on-site Information Technology (IT) staff Correct Ans -
When troubleshooting a problem within a commercial property, what group
of people should you leverage for help?
Installer sequence Correct Ans - When setting up a commercial TV,
which feature allows you to change the access code to enter the installer
menu?
Prism Sensor Correct Ans - What is the best Infrared (IR) sensor for a
set-back box (SBB) due to their relatively low cost and their ability to be
hidden from view?
+5 to +10 decibel millivolts (dBmV) Correct Ans - What is the
minimum accepted input signal strength per digital channel on a media
distribution gateway?
To mitigate unwanted noise or ingress leaking back into the hybrid fiber/coax
(HFC) plant. Correct Ans - When troubleshooting a commercial
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