ITN 100 – Final 150 QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES
(VERIFIED ANSWERS) ALREADY GRADED A+
2025 NEW UPDATE
_____ are dedicated digital circuits that are the most commonly used form of dedicated
circuit services in North America today. - CORRECT ANSWER: T-carrier services
______ is a statistic that measures how quickly the staff corrected a network problem
after they arrived at the problem site. - CORRECT ANSWER: MTTFix
_______ is an indicator of the efficiency of problem management personnel in correctly
finding the root cause of the failure. - CORRECT ANSWER: MTTDiagnose
__________ has led to the belief that the Internet is "free". - CORRECT ANSWER:
Peering
__________ refers to the process of translating between one set of private IP
addresses inside a network and a set of public addresses outside the network. -
CORRECT ANSWER: Network Address Translation
___________ is how the network works conceptually. - CORRECT ANSWER: Logical
topology
___________ is when network managers deal with network breakdowns and immediate
problems, instead of performing tasks according to a well laid out plan. - CORRECT
ANSWER: Firefighting
____________ are reports produced by numerous network software packages for
recording fault information. - CORRECT ANSWER: Trouble tickets
,_____________ are used by many large and small organizations to monitor and control
their networks today. - CORRECT ANSWER: Network management software packages
_____________ is a common standard for use by layer 2 access VPNs for
encapsulation. - CORRECT ANSWER: L2TP
_____________ is the percentage of time the network is usable by users. - CORRECT
ANSWER: Availability
A _______ geometric layout for a WAN connects all computers to one central computer
that routes messages to the appropriate computer, usually via a series of point-to-point
dedicated circuits. - CORRECT ANSWER: star design
A _________ is the place at which the ISP provides services to its customers. -
CORRECT ANSWER: point-of-presence
A __________ is a router or special purpose computer that examines packets flowing
into and out of a network and restricts access to the organization's network. -
CORRECT ANSWER: firewall
A __________ is an organizational department that is responsible for monitoring and
fixing overall network problems. - CORRECT ANSWER: network operations center
A _____________ is a user's connection into a packet switched service. - CORRECT
ANSWER: packet assembly/disassembly device
A ______________ is a browser add-in or app that stores website passwords. -
CORRECT ANSWER: password manager
, A (n) ______ is a special type of virus that spreads itself without human intervention. -
CORRECT ANSWER: worm
A cable company distribution hub includes a combiner and a cable modem termination
system. - CORRECT ANSWER: True
A certificate authority is a trusted organization that can vouch for the authenticity of a
person or organization. - CORRECT ANSWER: True
A collision on a bus circuit means that two computers on that circuit have transmitted at
the same time. - CORRECT ANSWER: True
A digital service offered by cable companies is the _________. - CORRECT ANSWER:
cable modem
A disadvantage of a star architecture is that the failure of one circuit will disrupt the
entire network. - CORRECT ANSWER: False
A DSL modem is also known as a: - CORRECT ANSWER: DSL router
A hacker gaining access to organizational data files and resources is an example of a(n)
____________ threat. - CORRECT ANSWER: intrusion
A hardware device that is not included in a network profile cannot be accessed by
another computer on the network. - CORRECT ANSWER: True
A high-speed Internet has a set of access points called ____pops that provide point-of-
presence at ________ speeds. - CORRECT ANSWER: giga, gigabit
DETAILED ANSWERS WITH RATIONALES
(VERIFIED ANSWERS) ALREADY GRADED A+
2025 NEW UPDATE
_____ are dedicated digital circuits that are the most commonly used form of dedicated
circuit services in North America today. - CORRECT ANSWER: T-carrier services
______ is a statistic that measures how quickly the staff corrected a network problem
after they arrived at the problem site. - CORRECT ANSWER: MTTFix
_______ is an indicator of the efficiency of problem management personnel in correctly
finding the root cause of the failure. - CORRECT ANSWER: MTTDiagnose
__________ has led to the belief that the Internet is "free". - CORRECT ANSWER:
Peering
__________ refers to the process of translating between one set of private IP
addresses inside a network and a set of public addresses outside the network. -
CORRECT ANSWER: Network Address Translation
___________ is how the network works conceptually. - CORRECT ANSWER: Logical
topology
___________ is when network managers deal with network breakdowns and immediate
problems, instead of performing tasks according to a well laid out plan. - CORRECT
ANSWER: Firefighting
____________ are reports produced by numerous network software packages for
recording fault information. - CORRECT ANSWER: Trouble tickets
,_____________ are used by many large and small organizations to monitor and control
their networks today. - CORRECT ANSWER: Network management software packages
_____________ is a common standard for use by layer 2 access VPNs for
encapsulation. - CORRECT ANSWER: L2TP
_____________ is the percentage of time the network is usable by users. - CORRECT
ANSWER: Availability
A _______ geometric layout for a WAN connects all computers to one central computer
that routes messages to the appropriate computer, usually via a series of point-to-point
dedicated circuits. - CORRECT ANSWER: star design
A _________ is the place at which the ISP provides services to its customers. -
CORRECT ANSWER: point-of-presence
A __________ is a router or special purpose computer that examines packets flowing
into and out of a network and restricts access to the organization's network. -
CORRECT ANSWER: firewall
A __________ is an organizational department that is responsible for monitoring and
fixing overall network problems. - CORRECT ANSWER: network operations center
A _____________ is a user's connection into a packet switched service. - CORRECT
ANSWER: packet assembly/disassembly device
A ______________ is a browser add-in or app that stores website passwords. -
CORRECT ANSWER: password manager
, A (n) ______ is a special type of virus that spreads itself without human intervention. -
CORRECT ANSWER: worm
A cable company distribution hub includes a combiner and a cable modem termination
system. - CORRECT ANSWER: True
A certificate authority is a trusted organization that can vouch for the authenticity of a
person or organization. - CORRECT ANSWER: True
A collision on a bus circuit means that two computers on that circuit have transmitted at
the same time. - CORRECT ANSWER: True
A digital service offered by cable companies is the _________. - CORRECT ANSWER:
cable modem
A disadvantage of a star architecture is that the failure of one circuit will disrupt the
entire network. - CORRECT ANSWER: False
A DSL modem is also known as a: - CORRECT ANSWER: DSL router
A hacker gaining access to organizational data files and resources is an example of a(n)
____________ threat. - CORRECT ANSWER: intrusion
A hardware device that is not included in a network profile cannot be accessed by
another computer on the network. - CORRECT ANSWER: True
A high-speed Internet has a set of access points called ____pops that provide point-of-
presence at ________ speeds. - CORRECT ANSWER: giga, gigabit
