Preparing For An ICT Exam? This Quiz Will Help You
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ICT, or information and communications technology (or technologies), is the infrastructure and components that enable modern computing.
Although there is no single, universal definition of ICT, the term is generally accepted to mean all devices, networking components, applications and systems that combined allow people and organizations (i.e., businesses, nonprofit agencies, governments and criminal enterprises) to interact in the digital world.
- 1.
Which of the following is not a DHCP (Dynamic Host Configuration Protocol) feature?
- A.
Allocation of IP addresses for new devices on a network
- B.
Sharing the default gateway (router) IP address to devices on a network
- C.
Sharing network address translation (NAT) information to devices on a network
- D.
Sharing name Server (DNS) IP addres to devices on a network
Correct Answer
C. Sharing network address translation (NAT) information to devices on a networkExplanation
DHCP is responsible for allocating IP addresses to devices on a network, sharing the default gateway IP address, and sharing the DNS IP address. However, DHCP does not handle NAT information. NAT is responsible for translating private IP addresses to public IP addresses and vice versa, allowing devices on a private network to access the internet. This is not a feature of DHCP.Rate this question:
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- 2.
Which of the following statements is not true?
- A.
NAT address translation is IP address conversion between the private IP address and public IP address
- B.
NAT address translation performing device can be a router Option 2
- C.
In static NAT address change, mapping between public IP address and private IP address is pre-defined
- D.
PAT (Port Address Translation) address translation each internal network servers can be defined an own fixed public IP address
Correct Answer
D. PAT (Port Address Translation) address translation each internal network servers can be defined an own fixed public IP address -
- 3.
Who typically implements the WAN connectivity?
- A.
Operator
- B.
state
- C.
Municipality
- D.
City
- E.
The company or the organization itself
Correct Answer
A. OperatorExplanation
The correct answer is "operator." In the context of WAN connectivity, an operator refers to a telecommunications service provider or network operator that is responsible for implementing and managing the wide area network connections. They are the ones who provide the infrastructure and services necessary for connecting different locations over a wide geographic area.Rate this question:
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- 4.
Which of the following statements is not true?
- A.
DNS servers in three hierarchy levels are the root server, top-level domain server and authoritative name server
- B.
DNS servers have a defined hierarchical architecture
- C.
DNS change the names (DNS names) into IP addresses 3
- D.
DNS service makes it possible to use the web site addresses to names (eg. www.haaga-helia.fi)
- E.
DNS root server knows the DNS name to the corresponding IP address and returns the response to the DNS request
Correct Answer
E. DNS root server knows the DNS name to the corresponding IP address and returns the response to the DNS request -
- 5.
What type of fiber optic cable has the best quality for the transmission of the optical signal?
- A.
two-mode cable
- B.
single-mode cable
- C.
Multimode cable
- D.
Hybrid cable
Correct Answer
B. single-mode cableExplanation
Single-mode cable has the best quality for the transmission of the optical signal. This is because it has a smaller core size and only allows one mode of light to propagate through it. This reduces the dispersion and attenuation of the signal, resulting in better signal quality and longer transmission distances.Rate this question:
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- 6.
Which of the following, as IP addresses are private addresses?
- A.
192.193.194.195
- B.
172.3.4.5
- C.
11.12.13.14
- D.
192.168.169.170
- E.
100.101.102.103
- F.
172.30.40.50
- G.
192.100.150.200
- H.
10.11.12.13
Correct Answer(s)
D. 192.168.169.170
F. 172.30.40.50
H. 10.11.12.13Explanation
The IP addresses 192.168.169.170, 172.30.40.50, and 10.11.12.13 are private addresses. Private IP addresses are used within a private network and are not routable on the internet. These addresses are reserved for use in local networks and are not unique globally. They are commonly used in home and office networks to connect devices within the network, but they cannot be used to directly access the internet.Rate this question:
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- 7.
Which of the following sentences is not true?
- A.
WLAN base stations that are close to each other should use the different frequencies (channels) so that they do not interfere with each other
- B.
Independent WLAN base stations are normally used in large wireless LAN implementatio
- C.
WLAN controller can be a separate unit or integrated feature in a base station
- D.
WLAN base station can operate either as an independently or it may be controllered by a separate device (WLAN controller)
Correct Answer
B. Independent WLAN base stations are normally used in large wireless LAN implementatioExplanation
The statement "Independent WLAN base stations are normally used in large wireless LAN implementations" is not true. In large wireless LAN implementations, WLAN base stations are typically controlled by a separate device called a WLAN controller. This allows for centralized management and coordination of multiple base stations.Rate this question:
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- 8.
How many ports are in a typical switch? (choose two)
- A.
48 ports
- B.
32 ports
- C.
24 ports
- D.
54 ports
- E.
16 ports
Correct Answer(s)
A. 48 ports
C. 24 portsExplanation
A typical switch can have either 48 ports or 24 ports. These ports are used to connect devices such as computers, printers, and servers to the switch, allowing them to communicate with each other within a local area network (LAN). The number of ports determines the maximum number of devices that can be connected to the switch simultaneously.Rate this question:
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- 9.
Which of the following is the most common type of transmission?
- A.
Broadcast
- B.
Unicast
- C.
Multicast
Correct Answer
B. UnicastExplanation
Unicast is the most common type of transmission because it involves a one-to-one communication model where a single sender transmits data to a single receiver. This type of transmission is widely used in most communication networks, such as the internet, where data needs to be delivered to specific destinations. Broadcast transmission, on the other hand, involves sending data to all connected devices, while multicast transmission involves sending data to a group of specified recipients. However, these types of transmissions are less common compared to unicast.Rate this question:
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- 10.
Which of the following sentences is not true? Which one do you like?
- A.
All devices on the same the local area network have the same network address
- B.
Each network device has its own IP address
- C.
The first part the IP address is always the same for the devices connected to the same local area network
- D.
The network mask is used to calculate own IP address from the network addres
Correct Answer
D. The network mask is used to calculate own IP address from the network addresExplanation
The network mask is not used to calculate one's own IP address from the network address. The network mask is used to determine the network portion and host portion of an IP address. It is used in conjunction with the IP address to determine the network address and the range of valid host addresses within that network.Rate this question:
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- 11.
Which of the following types of networks are so called "generic" network types?
- A.
PAN
- B.
WAN
- C.
LAN
- D.
MAN
- E.
Home Network
Correct Answer(s)
B. WAN
C. LANExplanation
The correct answer is WAN and LAN. WAN stands for Wide Area Network, which is a network that covers a large geographical area, such as multiple buildings or cities. LAN stands for Local Area Network, which is a network that covers a small area, such as a home, office, or campus. Both WAN and LAN are considered "generic" network types because they are commonly used and widely recognized. PAN (Personal Area Network) is a network that connects devices within a person's immediate vicinity, MAN (Metropolitan Area Network) is a network that covers a larger area than a LAN but smaller than a WAN, and Home Network refers to a network within a residential setting.Rate this question:
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- 12.
Which of the following statements is not true? Which one do you like?
- A.
Port address (port number) is an integer between 1 - 65535
- B.
TCP connection contains information on both transmitting and receiving end of ports
- C.
Simultaneous connections to different services can be separated with different port numbers
- D.
Destination port number indicates to which service (application) data traffic is intented to Option 4
- E.
TCP always carrys the port number, UDP carrys port number only when it is required
Correct Answer
E. TCP always carrys the port number, UDP carrys port number only when it is requiredExplanation
The given statement is not true because both TCP and UDP always carry the port number. The port number is used to identify the specific service or application to which the data traffic is intended.Rate this question:
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- 13.
Which of the following are network layer protocols? (choose two)
- A.
IPv4
- B.
Ethernet
- C.
IPv6
- D.
HTTP
- E.
TCP
- F.
DHCP 6
- G.
UDP
- H.
DNS
- I.
WLAN
Correct Answer(s)
A. IPv4
C. IPv6Explanation
The correct answer is IPv4 and IPv6. These are both network layer protocols used for routing and forwarding data packets across networks. Ethernet, HTTP, TCP, DHCP, UDP, DNS, and WLAN are not network layer protocols.Rate this question:
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- 14.
Which of the following sentences is not true?
- A.
IP packet is transported in the local area network as Ethernet frame payload data
- B.
Each terminal is connected with an own cable into the local network
- C.
All LAN-connected terminals have a unique MAC address
- D.
The switch forwards traffic in the local network based on IP addresses
- E.
Ethernet protocol's supported speed has continuously increased
Correct Answer
D. The switch forwards traffic in the local network based on IP addressesExplanation
The switch forwards traffic in the local network based on MAC addresses, not IP addresses. Switches use MAC addresses to determine the destination of a packet within a local network, while routers use IP addresses to determine the destination of a packet between different networks.Rate this question:
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- 15.
Which of the following sentences is not true?
- A.
WLAN operates in the 2.4 GHz and / or 5 GHz frequency
- B.
WLAN also known as WiFi
- C.
802.11n version allows hundreds of megabits rate
- D.
WEP is a new and safest WLAN encryption technology
Correct Answer
D. WEP is a new and safest WLAN encryption technologyExplanation
The given correct answer is "WEP is a new and safest WLAN encryption technology." This sentence is not true because WEP (Wired Equivalent Privacy) is actually an older and less secure encryption technology for WLAN. It has been largely replaced by more secure options such as WPA (Wi-Fi Protected Access) and WPA2.Rate this question:
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- 16.
Which of the following sentences is not true?
- A.
LANs use Ethernet technology
- B.
Switches are equitment used in the local area network
- C.
Local area network speeds have evolved quite slowly
- D.
Traffic between local area networks require routing
Correct Answer
D. Traffic between local area networks require routingExplanation
The statement "Traffic between local area networks require routing" is not true because local area networks (LANs) can communicate with each other without the need for routing. LANs can be connected through a wide area network (WAN) or through a switch or router, but routing is not always necessary for communication between LANs.Rate this question:
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- 17.
Which of the following sentences is not true?
- A.
The IP protocol works flexibly on top of various transmission systems
- B.
IP protocol ensures that packets reach their destination
- C.
IPv4 and IPv6 addresses will used in parallel for a long time
- D.
IPv6 address length is 128 bits
- E.
IPv4 address length is 32 bits
Correct Answer
B. IP protocol ensures that packets reach their destinationExplanation
The IP protocol does not guarantee that packets will reach their destination. It is responsible for routing packets from the source to the destination, but it does not ensure their delivery.Rate this question:
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- 18.
Which of the following sentences are correct? (choose two)
- A.
Traffic transmission in local area network is based on MAC addresses
- B.
The MAC address is generally defined programmatically
- C.
All the devices connected to a LAN must have their own MAC address
- D.
The MAC address is 64 bits long
Correct Answer(s)
A. Traffic transmission in local area network is based on MAC addresses
C. All the devices connected to a LAN must have their own MAC addressExplanation
The first sentence is correct because traffic transmission in a local area network (LAN) is indeed based on MAC addresses. MAC addresses are unique identifiers assigned to network devices, and they are used to determine the destination of network traffic within a LAN. The third sentence is also correct because all devices connected to a LAN must have their own unique MAC address in order to properly communicate on the network.Rate this question:
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- 19.
Which of the following sentences is not true?
- A.
Router is used to route data traffic between computers located in the same local area network
- B.
Routing protocol enables the automatic network routing changes, if the network state changes occur
- C.
Routers use routing protocols to exchange information with other routers
- D.
Router uses routing tables to route IP packets
Correct Answer
A. Router is used to route data traffic between computers located in the same local area network -
- 20.
Which of the following is not a TCP (Transmission Control Protocol) feature?
- A.
Transmission rate control
- B.
reliable transfer
- C.
Connection set-up
- D.
+ data packet re-routing
- E.
Data packets sequence handling
Correct Answer
D. + data packet re-routingExplanation
The correct answer is + data packet re-routing. TCP is a reliable, connection-oriented protocol that ensures the delivery of data packets in the correct order. It provides features such as transmission rate control, reliable transfer, connection set-up, and data packet sequence handling. However, TCP does not have a built-in capability for re-routing data packets. This task is typically handled by network routers and not by the TCP protocol itself.Rate this question:
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Mar 22, 2023Quiz Edited by
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May 03, 2019Quiz Created by
ICT
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