CompTIA Network+ (N10-009) Practice Exam
Newest 2026 Questions and Correct Detailed
Answers Already Graded A+
Which network infrastructure device enables centralized management of
WAPs?
A. Multilayer switch
B. Active hub
C. Network bridge
D. Wireless LAN controller - CORRECT ANSWER-D. Wireless LAN
controller
One of the key benefits provided by a CDN is the improvement of:
A. Content load times
B. Host security
C. User management process
D. Network storage capacity - CORRECT ANSWER-C. User management
process
Which of the following devices reside(s) at the Data Link Layer of the OSI
model? (Select all that apply)
,A. Bridge
B. Media Converter
C. Switch
D. Hub
E. Network Adapter - CORRECT ANSWER-A. Bridge
C. Switch
E. Network adapter
In the OSI model, the protocol data unit at the Physical Layer is known as:
A. Segment
B. Frame
C. Bit
D. Packet
E. Datagram - CORRECT ANSWER-C. Bit
Which of the devices listed below is often referred to as a multilayer
switch?
A. Router
B. Media converter
C. Bridge
D. Transceiver - CORRECT ANSWER-A. Router
In the OSI model, the Data Link Layer is also known as:
A. Layer 3
,B. Layer 1
C. Layer 5
D. Layer 2 - CORRECT ANSWER-D. Layer 2
Which of the answers listed below refer to common network protocols that
reside at layer 3 of the OSI model? (Select 2 answers)
A. ICMP
B. SIP
C. IP
D. ARP
E. SNMP - CORRECT ANSWER-A. ICMP
B. IP
In the OSI model, the Layer 4 UDP protocol data unit is called:
A. Bit
B. Frame
C. Packet
D. Segment
E. Datagram - CORRECT ANSWER-E. Datagram
In the OSI reference model, a NIC resides at the:
A. Physical Layer
B. Data Link Layer
C. Network Layer
, D. Transport Layer - CORRECT ANSWER-B. Data Link Layer
Which OSI layer enables direct interaction between the end-user and the
network?
A. Layer 5
B. Layer 1
C. Layer 7
D. Layer 3 - CORRECT ANSWER-C. Layer 7
Which of the answers listed below refers to a common OSI Layer 2
protocol?
A. HTTP
B. IP
C. ARP
D. ICMP - CORRECT ANSWER-C. ARP
In the context of the OSI model, the term "Data encapsulation" is used to
describe a process where each layer of the OSI model adds its own control
information to the original data that is being passed across the layers from
the physical layer up to the application layer.
A. True
B. False - CORRECT ANSWER-B. False
Newest 2026 Questions and Correct Detailed
Answers Already Graded A+
Which network infrastructure device enables centralized management of
WAPs?
A. Multilayer switch
B. Active hub
C. Network bridge
D. Wireless LAN controller - CORRECT ANSWER-D. Wireless LAN
controller
One of the key benefits provided by a CDN is the improvement of:
A. Content load times
B. Host security
C. User management process
D. Network storage capacity - CORRECT ANSWER-C. User management
process
Which of the following devices reside(s) at the Data Link Layer of the OSI
model? (Select all that apply)
,A. Bridge
B. Media Converter
C. Switch
D. Hub
E. Network Adapter - CORRECT ANSWER-A. Bridge
C. Switch
E. Network adapter
In the OSI model, the protocol data unit at the Physical Layer is known as:
A. Segment
B. Frame
C. Bit
D. Packet
E. Datagram - CORRECT ANSWER-C. Bit
Which of the devices listed below is often referred to as a multilayer
switch?
A. Router
B. Media converter
C. Bridge
D. Transceiver - CORRECT ANSWER-A. Router
In the OSI model, the Data Link Layer is also known as:
A. Layer 3
,B. Layer 1
C. Layer 5
D. Layer 2 - CORRECT ANSWER-D. Layer 2
Which of the answers listed below refer to common network protocols that
reside at layer 3 of the OSI model? (Select 2 answers)
A. ICMP
B. SIP
C. IP
D. ARP
E. SNMP - CORRECT ANSWER-A. ICMP
B. IP
In the OSI model, the Layer 4 UDP protocol data unit is called:
A. Bit
B. Frame
C. Packet
D. Segment
E. Datagram - CORRECT ANSWER-E. Datagram
In the OSI reference model, a NIC resides at the:
A. Physical Layer
B. Data Link Layer
C. Network Layer
, D. Transport Layer - CORRECT ANSWER-B. Data Link Layer
Which OSI layer enables direct interaction between the end-user and the
network?
A. Layer 5
B. Layer 1
C. Layer 7
D. Layer 3 - CORRECT ANSWER-C. Layer 7
Which of the answers listed below refers to a common OSI Layer 2
protocol?
A. HTTP
B. IP
C. ARP
D. ICMP - CORRECT ANSWER-C. ARP
In the context of the OSI model, the term "Data encapsulation" is used to
describe a process where each layer of the OSI model adds its own control
information to the original data that is being passed across the layers from
the physical layer up to the application layer.
A. True
B. False - CORRECT ANSWER-B. False
