1D0-61C CIW Network Technology Associate Practice Exam
Question 1: Which network type is generally confined to a single building or campus?
A) LAN
B) WAN
C) MAN
D) PAN
Answer: A) LAN
Explanation: A LAN (Local Area Network) is used for a limited geographic area such as a building or
campus.
Question 2: Which device primarily directs data between different networks?
A) Switch
B) Router
C) Hub
D) Repeater
Answer: B) Router
Explanation: Routers are designed to forward data packets between separate networks.
Question 3: What is the main advantage of a star topology?
A) Minimal cabling cost
B) Easy to add new nodes
C) High redundancy
D) Low centralization
Answer: B) Easy to add new nodes
Explanation: In a star topology, each node connects to a central hub, making it simple to add or remove
nodes.
Question 4: In a bus topology, what is a key disadvantage?
A) Centralized failure point
B) High installation cost
C) Complex wiring
D) Limited node connectivity
Answer: A) Centralized failure point
Explanation: A bus topology relies on a single cable, so a fault in the cable affects the entire network.
Question 5: Which layer of the OSI model is responsible for data encryption and compression?
A) Presentation
B) Session
C) Transport
D) Network
Answer: A) Presentation
Explanation: The Presentation layer handles data translation, encryption, and compression between the
application and the network.
Question 6: Which protocol operates at the Transport layer to ensure reliable data delivery?
A) UDP
,B) IP
C) TCP
D) ICMP
Answer: C) TCP
Explanation: TCP (Transmission Control Protocol) provides reliable, connection-oriented communication
at the Transport layer.
Question 7: What is the primary difference between IPv4 and IPv6 addressing?
A) Number of bits used in addresses
B) Encryption capabilities
C) Use of dynamic routing
D) Protocol speed
Answer: A) Number of bits used in addresses
Explanation: IPv4 uses 32-bit addresses while IPv6 uses 128-bit addresses, offering a much larger
address space.
Question 8: What does CIDR stand for?
A) Classless Inter-Domain Routing
B) Centralized Internet Data Routing
C) Coded Inter-Domain Relay
D) Continuous IP Data Relay
Answer: A) Classless Inter-Domain Routing
Explanation: CIDR is a method for allocating IP addresses and routing that replaces the old system based
on classes.
Question 9: Which of the following is an example of a private IP address range?
A) 8.8.8.8
B) 172.16.0.1
C) 1.1.1.1
D) 200.200.200.200
Answer: B) 172.16.0.1
Explanation: The IP range 172.16.0.0 to 172.31.255.255 is reserved for private networks.
Question 10: What is the primary function of a network switch?
A) Route packets between networks
B) Connect devices within the same network
C) Convert analog signals to digital
D) Amplify signal strength
Answer: B) Connect devices within the same network
Explanation: A switch connects multiple devices on the same network segment and uses MAC addresses
to forward data.
Question 11: Which protocol is used to resolve IP addresses to MAC addresses?
A) DNS
B) DHCP
C) ARP
D) ICMP
,Answer: C) ARP
Explanation: The Address Resolution Protocol (ARP) maps IP addresses to their corresponding MAC
addresses.
Question 12: Which protocol is responsible for assigning IP addresses dynamically?
A) DNS
B) ARP
C) ICMP
D) DHCP
Answer: D) DHCP
Explanation: The Dynamic Host Configuration Protocol (DHCP) automatically assigns IP addresses to
devices on a network.
Question 13: Which cable type is most commonly used for high-speed wired networks?
A) Coaxial
B) Twisted Pair
C) Fiber Optic
D) Serial
Answer: B) Twisted Pair
Explanation: Twisted pair cables (e.g., Cat5e, Cat6) are widely used in Ethernet networks for high-speed
data transmission.
Question 14: What is the key benefit of fiber optic cabling over copper cabling?
A) Lower cost
B) Greater immunity to electromagnetic interference
C) Easier to install
D) Lighter weight
Answer: B) Greater immunity to electromagnetic interference
Explanation: Fiber optic cables use light for transmission, making them immune to electromagnetic
interference.
Question 15: Which IEEE standard defines Ethernet for wired networks?
A) IEEE 802.11
B) IEEE 802.15
C) IEEE 802.3
D) IEEE 802.1X
Answer: C) IEEE 802.3
Explanation: IEEE 802.3 is the standard that specifies Ethernet networking over wired media.
Question 16: Which wireless standard is commonly used for Wi-Fi networks?
A) IEEE 802.3
B) IEEE 802.11
C) IEEE 802.15
D) IEEE 802.16
Answer: B) IEEE 802.11
Explanation: IEEE 802.11 is the family of standards used for wireless local area networks (Wi-Fi).
, Question 17: Which security protocol is considered the most secure for wireless networks as of recent
standards?
A) WEP
B) WPA
C) WPA2
D) WPA3
Answer: D) WPA3
Explanation: WPA3 offers enhanced security features and stronger encryption compared to previous
wireless security protocols.
Question 18: Which technology is often used to create secure remote connections over the Internet?
A) LAN
B) VPN
C) PAN
D) MAN
Answer: B) VPN
Explanation: A Virtual Private Network (VPN) encrypts data and creates a secure connection over public
networks.
Question 19: What does MPLS stand for in WAN technologies?
A) Multi-Protocol Label Switching
B) Multi-Point Link Service
C) Managed Private LAN Service
D) Multiplexed Protocol Line System
Answer: A) Multi-Protocol Label Switching
Explanation: MPLS is a technique used in high-performance telecommunications networks that directs
data based on short path labels.
Question 20: Which cloud service model provides virtualized computing resources over the Internet?
A) SaaS
B) PaaS
C) IaaS
D) DaaS
Answer: C) IaaS
Explanation: Infrastructure as a Service (IaaS) provides virtualized computing resources such as servers
and storage over the cloud.
Question 21: What type of cloud deployment model offers resources available to the public?
A) Private Cloud
B) Community Cloud
C) Hybrid Cloud
D) Public Cloud
Answer: D) Public Cloud
Explanation: A Public Cloud is operated by third parties and available to the general public.
Question 22: Which type of attack involves overwhelming a network with traffic to render it
unusable?
Question 1: Which network type is generally confined to a single building or campus?
A) LAN
B) WAN
C) MAN
D) PAN
Answer: A) LAN
Explanation: A LAN (Local Area Network) is used for a limited geographic area such as a building or
campus.
Question 2: Which device primarily directs data between different networks?
A) Switch
B) Router
C) Hub
D) Repeater
Answer: B) Router
Explanation: Routers are designed to forward data packets between separate networks.
Question 3: What is the main advantage of a star topology?
A) Minimal cabling cost
B) Easy to add new nodes
C) High redundancy
D) Low centralization
Answer: B) Easy to add new nodes
Explanation: In a star topology, each node connects to a central hub, making it simple to add or remove
nodes.
Question 4: In a bus topology, what is a key disadvantage?
A) Centralized failure point
B) High installation cost
C) Complex wiring
D) Limited node connectivity
Answer: A) Centralized failure point
Explanation: A bus topology relies on a single cable, so a fault in the cable affects the entire network.
Question 5: Which layer of the OSI model is responsible for data encryption and compression?
A) Presentation
B) Session
C) Transport
D) Network
Answer: A) Presentation
Explanation: The Presentation layer handles data translation, encryption, and compression between the
application and the network.
Question 6: Which protocol operates at the Transport layer to ensure reliable data delivery?
A) UDP
,B) IP
C) TCP
D) ICMP
Answer: C) TCP
Explanation: TCP (Transmission Control Protocol) provides reliable, connection-oriented communication
at the Transport layer.
Question 7: What is the primary difference between IPv4 and IPv6 addressing?
A) Number of bits used in addresses
B) Encryption capabilities
C) Use of dynamic routing
D) Protocol speed
Answer: A) Number of bits used in addresses
Explanation: IPv4 uses 32-bit addresses while IPv6 uses 128-bit addresses, offering a much larger
address space.
Question 8: What does CIDR stand for?
A) Classless Inter-Domain Routing
B) Centralized Internet Data Routing
C) Coded Inter-Domain Relay
D) Continuous IP Data Relay
Answer: A) Classless Inter-Domain Routing
Explanation: CIDR is a method for allocating IP addresses and routing that replaces the old system based
on classes.
Question 9: Which of the following is an example of a private IP address range?
A) 8.8.8.8
B) 172.16.0.1
C) 1.1.1.1
D) 200.200.200.200
Answer: B) 172.16.0.1
Explanation: The IP range 172.16.0.0 to 172.31.255.255 is reserved for private networks.
Question 10: What is the primary function of a network switch?
A) Route packets between networks
B) Connect devices within the same network
C) Convert analog signals to digital
D) Amplify signal strength
Answer: B) Connect devices within the same network
Explanation: A switch connects multiple devices on the same network segment and uses MAC addresses
to forward data.
Question 11: Which protocol is used to resolve IP addresses to MAC addresses?
A) DNS
B) DHCP
C) ARP
D) ICMP
,Answer: C) ARP
Explanation: The Address Resolution Protocol (ARP) maps IP addresses to their corresponding MAC
addresses.
Question 12: Which protocol is responsible for assigning IP addresses dynamically?
A) DNS
B) ARP
C) ICMP
D) DHCP
Answer: D) DHCP
Explanation: The Dynamic Host Configuration Protocol (DHCP) automatically assigns IP addresses to
devices on a network.
Question 13: Which cable type is most commonly used for high-speed wired networks?
A) Coaxial
B) Twisted Pair
C) Fiber Optic
D) Serial
Answer: B) Twisted Pair
Explanation: Twisted pair cables (e.g., Cat5e, Cat6) are widely used in Ethernet networks for high-speed
data transmission.
Question 14: What is the key benefit of fiber optic cabling over copper cabling?
A) Lower cost
B) Greater immunity to electromagnetic interference
C) Easier to install
D) Lighter weight
Answer: B) Greater immunity to electromagnetic interference
Explanation: Fiber optic cables use light for transmission, making them immune to electromagnetic
interference.
Question 15: Which IEEE standard defines Ethernet for wired networks?
A) IEEE 802.11
B) IEEE 802.15
C) IEEE 802.3
D) IEEE 802.1X
Answer: C) IEEE 802.3
Explanation: IEEE 802.3 is the standard that specifies Ethernet networking over wired media.
Question 16: Which wireless standard is commonly used for Wi-Fi networks?
A) IEEE 802.3
B) IEEE 802.11
C) IEEE 802.15
D) IEEE 802.16
Answer: B) IEEE 802.11
Explanation: IEEE 802.11 is the family of standards used for wireless local area networks (Wi-Fi).
, Question 17: Which security protocol is considered the most secure for wireless networks as of recent
standards?
A) WEP
B) WPA
C) WPA2
D) WPA3
Answer: D) WPA3
Explanation: WPA3 offers enhanced security features and stronger encryption compared to previous
wireless security protocols.
Question 18: Which technology is often used to create secure remote connections over the Internet?
A) LAN
B) VPN
C) PAN
D) MAN
Answer: B) VPN
Explanation: A Virtual Private Network (VPN) encrypts data and creates a secure connection over public
networks.
Question 19: What does MPLS stand for in WAN technologies?
A) Multi-Protocol Label Switching
B) Multi-Point Link Service
C) Managed Private LAN Service
D) Multiplexed Protocol Line System
Answer: A) Multi-Protocol Label Switching
Explanation: MPLS is a technique used in high-performance telecommunications networks that directs
data based on short path labels.
Question 20: Which cloud service model provides virtualized computing resources over the Internet?
A) SaaS
B) PaaS
C) IaaS
D) DaaS
Answer: C) IaaS
Explanation: Infrastructure as a Service (IaaS) provides virtualized computing resources such as servers
and storage over the cloud.
Question 21: What type of cloud deployment model offers resources available to the public?
A) Private Cloud
B) Community Cloud
C) Hybrid Cloud
D) Public Cloud
Answer: D) Public Cloud
Explanation: A Public Cloud is operated by third parties and available to the general public.
Question 22: Which type of attack involves overwhelming a network with traffic to render it
unusable?
