NCTI TECH 4 TO 5 CH. TEST STUDY GUIDE
Exam Questions and Answers with Verified
Solutions | Latest Updated 2026
What happens when a router data packets from one network to another
forwards
1
network?
Encapsulation and protocol decapsulation, and reassembly are three
headers, of the
2 four basic techniques used different layers of protocols work together.
whenever What
is the fourth?
3 Two CPUs have the same size bus. Which one will process data faster?
data
4 If a network contains an active what problem can occur?
loop,
What happens when a router The destination address of the router in the
forwards data packets from one framed
network to another network? packet is removed and the packet header
address
is inspected by the router to determine the
next
destination address to encapsulate around
the
packet.*
,________ allows network Subnetting**
administrators
to break up a single network
address
into smaller network addresses,
creating router-connected network
segments, all with their own
unique
network address space.
What term describes the number Frequency
of
wave crests that pass a fixed point
during a particular period of time?
In data networking, this term is Half Duplex
defined as "Signals may flow in
either
direction, but not simultaneously".
Two CPUs have the same size The one with a higher clock speed
data
bus. Which one will process data
faster?
This unique ID number is Media access control address (MAC)
coordinated by the Institute of
Electrical and Electronics
Engineers
and is used by only one network
interface card anywhere in the
world.
, Which is a network management Back up and recovery Utilities
and
utility software that is typically
used
by network administrators and
information systems personnel
when
the network is unused or lightly
used,
often in the middle of the night?
Which of the following is also 10Base5 cable
called
"Thicknet" or "yellow wire" and
includes two layers of foil shielding
as well as an additional copper
mesh
shield?
According to 10BaseT wiring rules, 100m
what is the maximum segment
length
without a repeater?
When light travels through a fiber- The boundary between the core and the
optic cable, the change in cladding
refractive
index causes the light to refract off
which of the following?
Which of the following requires a Single-mode fiber
laser transmitter?
Exam Questions and Answers with Verified
Solutions | Latest Updated 2026
What happens when a router data packets from one network to another
forwards
1
network?
Encapsulation and protocol decapsulation, and reassembly are three
headers, of the
2 four basic techniques used different layers of protocols work together.
whenever What
is the fourth?
3 Two CPUs have the same size bus. Which one will process data faster?
data
4 If a network contains an active what problem can occur?
loop,
What happens when a router The destination address of the router in the
forwards data packets from one framed
network to another network? packet is removed and the packet header
address
is inspected by the router to determine the
next
destination address to encapsulate around
the
packet.*
,________ allows network Subnetting**
administrators
to break up a single network
address
into smaller network addresses,
creating router-connected network
segments, all with their own
unique
network address space.
What term describes the number Frequency
of
wave crests that pass a fixed point
during a particular period of time?
In data networking, this term is Half Duplex
defined as "Signals may flow in
either
direction, but not simultaneously".
Two CPUs have the same size The one with a higher clock speed
data
bus. Which one will process data
faster?
This unique ID number is Media access control address (MAC)
coordinated by the Institute of
Electrical and Electronics
Engineers
and is used by only one network
interface card anywhere in the
world.
, Which is a network management Back up and recovery Utilities
and
utility software that is typically
used
by network administrators and
information systems personnel
when
the network is unused or lightly
used,
often in the middle of the night?
Which of the following is also 10Base5 cable
called
"Thicknet" or "yellow wire" and
includes two layers of foil shielding
as well as an additional copper
mesh
shield?
According to 10BaseT wiring rules, 100m
what is the maximum segment
length
without a repeater?
When light travels through a fiber- The boundary between the core and the
optic cable, the change in cladding
refractive
index causes the light to refract off
which of the following?
Which of the following requires a Single-mode fiber
laser transmitter?
