NCTI 5-6 Exam Questions Answered Correctly Rated A+
Can you match the term to its description? - Answers Router = Directs and loads incoming and
outgoing data packets into time slots after selecting the most efficient route(s) for the packets
to reach their destination locally and to the Internet.
Repeater = Designed to extend physical network segments by amplifying and repeating bits.
Hub = Receives bits from one port and repeats them on all other ports.
Default Gateway = Makes it possible for devices in one network to communicate with devices in
another network.
Wireless Access Point (WAP) = Connects to a wired network, typically using a wireless router or
wireless bridge, allowing access into a Wi-Fi network.
Network Interface Card (NIC) = Permits connecting a network cable to a personal computer
(PC).
Can you match the OSI reference model layers (by order) to the TCP/IP model layers? - Answers
Application Layer
Presentation Layer
Session Layer
Transport Layer
Network Layer
,Data Link Layer
Physical Layer
The __________ provides the user interface to the system using programming interfaces to
request network services. - Answers Application Layer
The __________ is responsible for holding and processing physical addresses, and establishes
and maintains reliable links between different nodes or devices on a network using existing
physical connections. - Answers Data Link Layer
The __________ is the predominant Application Layer protocol used by Internet email clients to
retrieve and store email messages. - Answers Post Office Protocol Version 3 (POP3)
The __________ allows devices in the network to automatically request and be assigned IP
addresses and other network settings, such as workstations on a LAN. - Answers Dynamic Host
Configuration Protocol (DHCP)
__________ protocol provides a global addressing structure, service type requests, and packet
fragmentation and reassembly. - Answers IPv4
The __________ contains communication methods for data that remains within a single network
segment, implementing the actual topology of the local network that allows the Internet layer to
present an addressable interface. - Answers Network Layer
Can you match the UTP cable type to its description? - Answers CMP = Communication Cable
General purpose indoor cable
CMR = Riser-rated cable
CM/CMG = Communication Cable General purpose indoor cable
Which of the following is true regarding networking cabinets and closets? Choose all that apply.
- Answers Networking cabinets are smaller than networking closets.
Ensures that equipment or cabling is installed in a location that is not directly on top of
equipment that needs to be cooled or on equipment that is performing cooling.
What information is needed when configuring a static IP? - Answers IP address
, Subnet mask
Default gateway
Preferred DNS server
Alternate DNS server
True or False. A stable Internet connection exhibits no more than a five percent packet loss and
a stable ping time. - Answers False
True or False. Depending on your company's policy, if the wireless service does not reach
certain areas of the business, it may require the installation of a WAP to extend the Wi-Fi range.
- Answers True
True or False. When performing the customer hand-off, show the customer the static IP address
configuration information on the work order and/or on the equipment. - Answers True
True or False. The demarc point for service installation and verification should have been
explained to the customer prior to starting the work, therefore, this does not have to be covered
again. - Answers False
Can you match the command prompt to its description? - Answers netsh = Provides a computer
currently running on the network the capability of viewing and modifying the network
configuration.
cls = Clears the data from the screen.
CTRL+C = Halts or attempts to halt any action that is currently running in the Windows Control
Prompt.
systeminfo = Yields the configuration of the computer.
nslookup = Shows the IP address of any DNS server name provided or, conversely, finds the
DNS server name for any IP address that is provided.
Can you match the step in the troubleshooting process to its description? - Answers Step 1:
Identifying the problem = Ask specific questions to gather more information about the problem.
Can you match the term to its description? - Answers Router = Directs and loads incoming and
outgoing data packets into time slots after selecting the most efficient route(s) for the packets
to reach their destination locally and to the Internet.
Repeater = Designed to extend physical network segments by amplifying and repeating bits.
Hub = Receives bits from one port and repeats them on all other ports.
Default Gateway = Makes it possible for devices in one network to communicate with devices in
another network.
Wireless Access Point (WAP) = Connects to a wired network, typically using a wireless router or
wireless bridge, allowing access into a Wi-Fi network.
Network Interface Card (NIC) = Permits connecting a network cable to a personal computer
(PC).
Can you match the OSI reference model layers (by order) to the TCP/IP model layers? - Answers
Application Layer
Presentation Layer
Session Layer
Transport Layer
Network Layer
,Data Link Layer
Physical Layer
The __________ provides the user interface to the system using programming interfaces to
request network services. - Answers Application Layer
The __________ is responsible for holding and processing physical addresses, and establishes
and maintains reliable links between different nodes or devices on a network using existing
physical connections. - Answers Data Link Layer
The __________ is the predominant Application Layer protocol used by Internet email clients to
retrieve and store email messages. - Answers Post Office Protocol Version 3 (POP3)
The __________ allows devices in the network to automatically request and be assigned IP
addresses and other network settings, such as workstations on a LAN. - Answers Dynamic Host
Configuration Protocol (DHCP)
__________ protocol provides a global addressing structure, service type requests, and packet
fragmentation and reassembly. - Answers IPv4
The __________ contains communication methods for data that remains within a single network
segment, implementing the actual topology of the local network that allows the Internet layer to
present an addressable interface. - Answers Network Layer
Can you match the UTP cable type to its description? - Answers CMP = Communication Cable
General purpose indoor cable
CMR = Riser-rated cable
CM/CMG = Communication Cable General purpose indoor cable
Which of the following is true regarding networking cabinets and closets? Choose all that apply.
- Answers Networking cabinets are smaller than networking closets.
Ensures that equipment or cabling is installed in a location that is not directly on top of
equipment that needs to be cooled or on equipment that is performing cooling.
What information is needed when configuring a static IP? - Answers IP address
, Subnet mask
Default gateway
Preferred DNS server
Alternate DNS server
True or False. A stable Internet connection exhibits no more than a five percent packet loss and
a stable ping time. - Answers False
True or False. Depending on your company's policy, if the wireless service does not reach
certain areas of the business, it may require the installation of a WAP to extend the Wi-Fi range.
- Answers True
True or False. When performing the customer hand-off, show the customer the static IP address
configuration information on the work order and/or on the equipment. - Answers True
True or False. The demarc point for service installation and verification should have been
explained to the customer prior to starting the work, therefore, this does not have to be covered
again. - Answers False
Can you match the command prompt to its description? - Answers netsh = Provides a computer
currently running on the network the capability of viewing and modifying the network
configuration.
cls = Clears the data from the screen.
CTRL+C = Halts or attempts to halt any action that is currently running in the Windows Control
Prompt.
systeminfo = Yields the configuration of the computer.
nslookup = Shows the IP address of any DNS server name provided or, conversely, finds the
DNS server name for any IP address that is provided.
Can you match the step in the troubleshooting process to its description? - Answers Step 1:
Identifying the problem = Ask specific questions to gather more information about the problem.
