NCTI IV ch 4 Exam Questions and Answers
with Verified Solutions | Latest Updated 2026
What happens to a datagram The transmitting network device will drop
marked the
as "do not fragment" if it must be datagram, and notify the source.
transmitted across a network
segment with a maximum
transmission unit field (MTU)
smaller
than the datagram?
On an IP network, all hosts must 576
be
able to handle a packet size of at
least how many bytes?
Which best describes IP's use of The TTL specifies the time a datagram is
the allowed to
time-to-live (TTL) field? remain on the network.
Internet protocol (IP) provides Datagram routing.
which Time-to-live (TTL).
three of the following services to Differentiated Services Code Point
transmission control protocol (DSCP).
(TCP)?
(Choose three.)
, How many fragments will the 4
transmitting device have to create
to
match the datagram to the
segment's
512 maximum transfer unit (MTU)
size,
having a 1,500-byte datagram,
and a
20-byte IP header?
Which IP packet frame field Version
ensures
that the gateways handling a
datagram agree on the datagram's
format?
Which IP packet bits does open Delay, throughput, reliability, and cost
shortest path first (OSPF) use to (D-T-R-C)
provide Type of Service (ToS) bits.
routing?
What happens first when an IP The sending host looks in its address
host resolution
needs to resolve an IP address to protocol (ARP) cache for the necessary
a mapping.
media access control (MAC)
address?
Which network segment hosts Only the target host responds
respond to an address resolution
protocol (ARP) request?
with Verified Solutions | Latest Updated 2026
What happens to a datagram The transmitting network device will drop
marked the
as "do not fragment" if it must be datagram, and notify the source.
transmitted across a network
segment with a maximum
transmission unit field (MTU)
smaller
than the datagram?
On an IP network, all hosts must 576
be
able to handle a packet size of at
least how many bytes?
Which best describes IP's use of The TTL specifies the time a datagram is
the allowed to
time-to-live (TTL) field? remain on the network.
Internet protocol (IP) provides Datagram routing.
which Time-to-live (TTL).
three of the following services to Differentiated Services Code Point
transmission control protocol (DSCP).
(TCP)?
(Choose three.)
, How many fragments will the 4
transmitting device have to create
to
match the datagram to the
segment's
512 maximum transfer unit (MTU)
size,
having a 1,500-byte datagram,
and a
20-byte IP header?
Which IP packet frame field Version
ensures
that the gateways handling a
datagram agree on the datagram's
format?
Which IP packet bits does open Delay, throughput, reliability, and cost
shortest path first (OSPF) use to (D-T-R-C)
provide Type of Service (ToS) bits.
routing?
What happens first when an IP The sending host looks in its address
host resolution
needs to resolve an IP address to protocol (ARP) cache for the necessary
a mapping.
media access control (MAC)
address?
Which network segment hosts Only the target host responds
respond to an address resolution
protocol (ARP) request?
