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CCNA 1 Final Exam
Updated Questions and Answers
(2025–2026 Edition)
Refer to the exhibit. Which two network addresses can be assigned to the network
containing 10 hosts? Your answers should waste the fewest addresses, not reuse
addresses that are already assigned, and stay within the 10.18.10.0/24 range of
addresses. (Choose two.)
10.18.10.200/28
10.18.10.208/28
10.18.10.240/27
10.18.10.200/27
10.18.10.224/27
10.18.10.224/28
ANSWER: 10.18.10.224/28
10.18.10.208/28
What are two functions that are provided by the network layer? (Choose two.)
directing data packets to destination hosts on other networks
placing data on the network medium
carrying data between processes that are running on source and destination hosts
providing dedicated end-to-end connections
providing end devices with a unique network identifier
ANSWER: providing end devices with a unique network identifier
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directing data packets to destination hosts on other networks
What two ICMPv6 message types must be permitted through IPv6 access control
lists to allow resolution of Layer 3 addresses to Layer 2 MAC addresses? (Choose
two.)
neighbor solicitations
echo requests
neighbor advertisements
echo replies
router solicitations
router advertisements
ANSWER: neighbor solicitations
neighbor advertisements
Which range of link-local addresses can be assigned to an IPv6-enabled interface?
FEC0::/10
FDEE::/7
FE80::/10
FF00::/8
ANSWER: FE80::/10
What would be the interface ID of an IPv6 enabled interface with a MAC address
of 1C-6F-65-C2-BD-F8 when the interface ID is generated by using the EUI-64
process?
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0C6F:65FF:FEC2:BDF8
1E6F:65FF:FEC2:BDF8
C16F:65FF:FEC2:BDF8
106F:65FF:FEC2:BDF8
ANSWER: 1E6F:65FF:FEC2:BDF8
An organization is assigned an IPv6 address block of 2001:db8:0:ca00::/56. How
many subnets can be created without using bits in the interface ID space?
256
512
1024
4096
ANSWER: 256
Refer to the exhibit. If host A sends an IP packet to host B, what will the
destination address be in the frame when it leaves host A?
DD:DD:DD:DD:DD:DD
172.168.10.99
CC:CC:CC:CC:CC:CC
172.168.10.65
BB:BB:BB:BB:BB:BB
AA:AA:AA:AA:AA:AA
ANSWER: BB:BB:BB:BB:BB:BB
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When a switch configuration includes a user-defined error threshold on a per-port
basis, to which switching method will the switch revert when the error threshold is
reached?
cut-through
store-and-forward
fast-forward
fragment-free
ANSWER: store-and-forward
Which two statements are correct about MAC and IP addresses during data
transmission if NAT is not involved? (Choose two.)
Destination IP addresses in a packet header remain constant along the entire path to
a target host.
Destination MAC addresses will never change in a frame that goes across seven
routers.
Every time a frame is encapsulated with a new destination MAC address, a new
destination IP address is needed.
Destination and source MAC addresses have local significance and change every
time a frame goes from one LAN to another.
A packet that has crossed four routers has changed the destination IP address four
times.
ANSWER: Destination IP addresses in a packet header remain constant along the
entire path to a target host.
Destination and source MAC addresses have local significance and change every
time a frame goes from one LAN to another.
CCNA 1 Final Exam
Updated Questions and Answers
(2025–2026 Edition)
Refer to the exhibit. Which two network addresses can be assigned to the network
containing 10 hosts? Your answers should waste the fewest addresses, not reuse
addresses that are already assigned, and stay within the 10.18.10.0/24 range of
addresses. (Choose two.)
10.18.10.200/28
10.18.10.208/28
10.18.10.240/27
10.18.10.200/27
10.18.10.224/27
10.18.10.224/28
ANSWER: 10.18.10.224/28
10.18.10.208/28
What are two functions that are provided by the network layer? (Choose two.)
directing data packets to destination hosts on other networks
placing data on the network medium
carrying data between processes that are running on source and destination hosts
providing dedicated end-to-end connections
providing end devices with a unique network identifier
ANSWER: providing end devices with a unique network identifier
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directing data packets to destination hosts on other networks
What two ICMPv6 message types must be permitted through IPv6 access control
lists to allow resolution of Layer 3 addresses to Layer 2 MAC addresses? (Choose
two.)
neighbor solicitations
echo requests
neighbor advertisements
echo replies
router solicitations
router advertisements
ANSWER: neighbor solicitations
neighbor advertisements
Which range of link-local addresses can be assigned to an IPv6-enabled interface?
FEC0::/10
FDEE::/7
FE80::/10
FF00::/8
ANSWER: FE80::/10
What would be the interface ID of an IPv6 enabled interface with a MAC address
of 1C-6F-65-C2-BD-F8 when the interface ID is generated by using the EUI-64
process?
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0C6F:65FF:FEC2:BDF8
1E6F:65FF:FEC2:BDF8
C16F:65FF:FEC2:BDF8
106F:65FF:FEC2:BDF8
ANSWER: 1E6F:65FF:FEC2:BDF8
An organization is assigned an IPv6 address block of 2001:db8:0:ca00::/56. How
many subnets can be created without using bits in the interface ID space?
256
512
1024
4096
ANSWER: 256
Refer to the exhibit. If host A sends an IP packet to host B, what will the
destination address be in the frame when it leaves host A?
DD:DD:DD:DD:DD:DD
172.168.10.99
CC:CC:CC:CC:CC:CC
172.168.10.65
BB:BB:BB:BB:BB:BB
AA:AA:AA:AA:AA:AA
ANSWER: BB:BB:BB:BB:BB:BB
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When a switch configuration includes a user-defined error threshold on a per-port
basis, to which switching method will the switch revert when the error threshold is
reached?
cut-through
store-and-forward
fast-forward
fragment-free
ANSWER: store-and-forward
Which two statements are correct about MAC and IP addresses during data
transmission if NAT is not involved? (Choose two.)
Destination IP addresses in a packet header remain constant along the entire path to
a target host.
Destination MAC addresses will never change in a frame that goes across seven
routers.
Every time a frame is encapsulated with a new destination MAC address, a new
destination IP address is needed.
Destination and source MAC addresses have local significance and change every
time a frame goes from one LAN to another.
A packet that has crossed four routers has changed the destination IP address four
times.
ANSWER: Destination IP addresses in a packet header remain constant along the
entire path to a target host.
Destination and source MAC addresses have local significance and change every
time a frame goes from one LAN to another.
