Computer Networks Final Exam | Actual Exam Newest
2025/2026 With Complete Questions and Correct Answers
|Already Graded A+||Brand New Version!
A network device is capable of simultaneously transmitting and receiving data. Which mode is
that device operating in? - CORRECT ANSWER -Full-Duplex
A switch receives a frame with a destination MAC address that is unknown. How will the switch
handle the frame? - CORRECT ANSWER -It will flood the frame out all ports, except the port is
was received on
What role does the frame check sequence perform in an Ethernet frame? - CORRECT ANSWER
-Error detection
A MAC address is 48 bits in length. The first 24 bits of a MAC address is compromised of the
OUI. What is significant about the OUI? - CORRECT ANSWER -It identifies the manufacturer
of the NIC
A switch receives a frame. The source MAC address is unknown when the frame is received.
How will the switch handle that frame? - CORRECT ANSWER -It will add the source MAC
address to its ARP table and forward the frame
You need to provide network connectivity to 150 client computers that will reside in the same
sub network, and each client computer must be allocated dedicated bandwidth. Which device
should you use to accomplish the task? - CORRECT ANSWER -Switch
All of the following are used to define a socket between two network devices, except: -
CORRECT ANSWER -Source and MAC addresses
Which of the following is an example of a routed protocol? - CORRECT ANSWER -IP
, Select the correct statement regarding an 8-port Ethernet hub. - CORRECT ANSWER -Includes
one collision domain and one broadcast domain
For an interface on a router to forward traffic, the interface must: - CORRECT ANSWER -Have
an IP address assigned
The route to be used when no other route matches a packet's destination IP address. - CORRECT
ANSWER -Default route
Routers maintain a list of all known routes in a routing table. - CORRECT ANSWER -TRUE
Which of the following is the correct "/" notation for a subnet mask of 255.255.255.252? -
CORRECT ANSWER -/30
The only possible values for an octet in a subnet mask are 0, 128, 224, 240, 248, 252, 254, and
255. - CORRECT ANSWER -TRUE
The subnet mask /19 has: - CORRECT ANSWER -13 host bits
A network that should not be routed on the public Internet: - CORRECT ANSWER -Private IP
network
The following subnets could be used in the same private network. 172.16.128.0/18 and
172.16.144.0/20 - CORRECT ANSWER -FALSE
A router receives a frame from another router and determines the frame has errors. The router
will: - CORRECT ANSWER -Discard the frame/packet
2025/2026 With Complete Questions and Correct Answers
|Already Graded A+||Brand New Version!
A network device is capable of simultaneously transmitting and receiving data. Which mode is
that device operating in? - CORRECT ANSWER -Full-Duplex
A switch receives a frame with a destination MAC address that is unknown. How will the switch
handle the frame? - CORRECT ANSWER -It will flood the frame out all ports, except the port is
was received on
What role does the frame check sequence perform in an Ethernet frame? - CORRECT ANSWER
-Error detection
A MAC address is 48 bits in length. The first 24 bits of a MAC address is compromised of the
OUI. What is significant about the OUI? - CORRECT ANSWER -It identifies the manufacturer
of the NIC
A switch receives a frame. The source MAC address is unknown when the frame is received.
How will the switch handle that frame? - CORRECT ANSWER -It will add the source MAC
address to its ARP table and forward the frame
You need to provide network connectivity to 150 client computers that will reside in the same
sub network, and each client computer must be allocated dedicated bandwidth. Which device
should you use to accomplish the task? - CORRECT ANSWER -Switch
All of the following are used to define a socket between two network devices, except: -
CORRECT ANSWER -Source and MAC addresses
Which of the following is an example of a routed protocol? - CORRECT ANSWER -IP
, Select the correct statement regarding an 8-port Ethernet hub. - CORRECT ANSWER -Includes
one collision domain and one broadcast domain
For an interface on a router to forward traffic, the interface must: - CORRECT ANSWER -Have
an IP address assigned
The route to be used when no other route matches a packet's destination IP address. - CORRECT
ANSWER -Default route
Routers maintain a list of all known routes in a routing table. - CORRECT ANSWER -TRUE
Which of the following is the correct "/" notation for a subnet mask of 255.255.255.252? -
CORRECT ANSWER -/30
The only possible values for an octet in a subnet mask are 0, 128, 224, 240, 248, 252, 254, and
255. - CORRECT ANSWER -TRUE
The subnet mask /19 has: - CORRECT ANSWER -13 host bits
A network that should not be routed on the public Internet: - CORRECT ANSWER -Private IP
network
The following subnets could be used in the same private network. 172.16.128.0/18 and
172.16.144.0/20 - CORRECT ANSWER -FALSE
A router receives a frame from another router and determines the frame has errors. The router
will: - CORRECT ANSWER -Discard the frame/packet
