CCNA1: FINAL EXAM with questions and correct answers graded A+|| latest update 2024/2025

CCNA1: FINAL EXAM with questions and correct
answers graded A+|| latest update 2024/2025




Host-A has the IPv4 address and subnet mask 10.5.4.100 255.255.255.0. What is
the network address of Host-A? - CORRECT ANSWER : 10.5.4.0


Host-A has the IPv4 address and subnet mask 172.16.4.100 255.255.0.0. What is
the network address of Host-A? - CORRECT ANSWER : 172.16.0.0


Host-A has the IPv4 address and subnet mask 10.5.4.100 255.255.255.0. Which of
the following IPv4 addresses would be on the same network as Host-A? (Choose
all that apply) - CORRECT ANSWER : 10.5.4.1 and 10.5.4.99


Host-A has the IPv4 address and subnet mask 172.16.4.100 255.255.0.0. Which of
the following IPv4 addresses would be on the same network as Host-A? (Choose
all that apply) - CORRECT ANSWER : 172.16.4.99 and 172.16.0.1


Host-A has the IPv4 address and subnet mask 192.168.1.50 255.255.255.0. Which
of the following IPv4 addresses would be on the same network as Host-A?
(Choose all that apply) - CORRECT ANSWER : 192.168.1.1 and 192.168.1.100


Which two statements are correct about private IPv4 addresses? (Choose two.) -
CORRECT ANSWER : 1)Private IPv4 addresses are assigned to devices within
an organization's intranet (internal network)
2)Any organization (home, school. office, company) can use the 10.0.0.0/8
address.

,Which two statements are correct about public IPv4 addresses? (Choose two.) -
CORRECT ANSWER : 1)To access a device over the internet, the destination
IPv4 address must be a public address
2)Public IPv4 address exhaustion is a reason why there are private IPv4 addresses
and why organizations are transitioning to IPv6


Which organization or group of organizations receives IP addresses from IANA
and is responsible for allocating these addresses to ISPs and some organizations? -
CORRECT ANSWER : RIRs


Which devices will not forward an IPv4 broadcast packet by default? -
CORRECT ANSWER : Router


Which two situations are a result of excessive broadcast traffic? (Choose two) -
CORRECT ANSWER : 1)Slow network operations
2)slow device operations


What is the prefix length notation for the subnet mask 255.255.255.224? -
CORRECT ANSWER : /27


How many valid host addresses are available on an IPv4 subnet that is configured
with a /26 mask? - CORRECT ANSWER : 62


Which subnet mask would be used if 5 host bits are available? - CORRECT
ANSWER : 255.255.255.224


A network administrator subnets the 192.168.10.0/24 network into subnets with /26
masks. How many equal-sized subnets are created? - CORRECT ANSWER : 4

, What subnet mask is represented by the slash notation /20? - CORRECT
ANSWER : 255.255.240.0


Which statement is true about variable-length subnet masking? - CORRECT
ANSWER : The size of each subnet may be different, depending on requirements.


Why does a Layer 3 device perform the ANDing process on a destination IP
address and subnet mask? - CORRECT ANSWER : To identify the network
address of the destination network.


How many usable IP addresses are available on the 192.168.1.0/27 network? -
CORRECT ANSWER : 30


Which subnet mask would be used if exactly 4 host bits are available? -
CORRECT ANSWER : 255.255.255.240


Which two parts are components of an IPv4 address? (Choose two.) - CORRECT
ANSWER : 1)Host Portion
2)Network Portion


If a network device has a mask of /26, how many IP addresses are available for
hosts on this network? - CORRECT ANSWER : 62


What does the IP address 172.17.4.250/24 represent? - CORRECT ANSWER :
Host address


If a network device has a mask of /28, how many IP addresses are available for
hosts on this network? - CORRECT ANSWER : 14