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WorksheetsITP103 - Exercise 1 (24-25)
Total questions: 50
Worksheet time: 1hrs 9mins
What is the primary role of the Physical Layer in the OSI model?
Routing data packets
Encoding and transmitting bits across the network media
Managing network security
Configuring IP addresses
Which of the following is NOT a type of physical media?
Copper cables
Fiber optics
Radio waves
HTTP protocols
Which of the following standards is defined by the TIA/EIA organization?
UTP cabling standards
Wireless LAN standards
OSI model layers
Token Ring standards
What is the primary function of the Data Link Layer?
Assign IP addresses to devices
Manage error detection and correction during data transfer
Route data across networks
Control application layer protocols
The process of converting a stream of data bits into a predefined "code" is called (a) .
What are the three primary components of a network infrastructure?
Devices, Media, Services
Servers, Clients, Switches
LANs, WANs, MANs
Fiber, Copper, Wireless
What type of network spans a small geographic area and is owned by an individual or organization?
WAN
LAN
MAN
WLAN
Which network type connects multiple LANs over large geographic areas?
WLAN
WAN
SAN
PAN
What are the main characteristics of a fault-tolerant network?
Redundancy and multiple paths
Scalability and simplicity
Security and efficiency
Reliability and high cost
What is the primary function of a router in a network?
Transmitting wireless signals
Connecting LANs to the Internet
Regenerating data signals
Providing IP addresses
What is the role of an intermediary network device?
Transmit data from one computer to another
Manage data as it flows through the network
Store and retrieve data for end devices
Assign IP addresses to devices
What is the purpose of a Network Interface Card (NIC)?
To regenerate and retransmit data signal
To connect an end device to a network
To create wireless networks
To provide high-speed bandwidth
What is the function of topology diagrams?
To assign IP addresses to devices
To configure routing tables
To visually represent network components and layouts
To install firewalls
Which device provides wireless communication capabilities to end devices?
Switch
Router
Wireless Access Point (WAP)
Firewall
Which of the following is a characteristic of an intranet?
It is accessible to the general public.
It is a private network for an organization.
It is always connected to the Internet.
It relies only on wireless connections.
Which Internet access technology is most suitable for rural areas?
Dial-up
DSL
Cable
Satellite
What does QoS ensure in a network?
Equal access for all users
Timely and reliable delivery of services
Protection against external threats
Fastest possible Internet speed
Which organization maintains the structure of the Internet?
ICANN
FCC
TIA
IEEE
What are the four characteristics of a reliable network?
Scalability, Redundancy, Flexibility, Security
Fault Tolerance, Scalability, QoS, Security
Simplicity, Availability, Speed, Accessibility
QoS, Modularity, Reliability, Efficienc
What global trend allows employees to use their own laptops or smartphones for work?
IoT
Cloud Computing
BYOD
Video Conferencing
What is the main benefit of a converged network?
Higher security
Faster wireless speeds
Support for data, voice, and video on one network
More affordable networking hardware
What does cloud computing enable organizations to do?
Provide secure intranet access
Store and access data from remote servers
Set up wired Ethernet connections
Use dedicated leased lines for faster connections
A (a) network spans a small geographic area, such as a home, school, or office building.
(a) is a global trend that allows individuals to store and access personal files or business data remotely via the Internet.
The (a) organization is responsible for managing domain names and IP address allocation.
What are the three key elements required for communication?
Data, speed, and protocol
Source, destination, and channel
Encoding, encapsulation, and timing
Sender, receiver, and flow control
What is the process of converting data into a suitable format for transmission called?
Encapsulation
Encoding
Multiplexing
Routing
What is the role of encapsulation in data communication?
Breaking data into smaller pieces
Adding headers and trailers to data for transmission
Reassembling data at the destination
Encoding data into bits
Which type of communication delivers a message to all devices on a network?
Unicast
Multicast
Broadcast
Anycast
What is the term for the time a device waits for a response before taking action?
Flow control
Response timeout
Timing synchronization
Collision delay
Which protocol governs the interaction between a web server and a web client?
TCP
IP
HTTP
Ethernet
The TCP/IP model is also known as the __________.
OSI Model
Internet Model
Communication Model
ARPANET Model
What is the primary purpose of a protocol suite?
To limit data traffic on the network
To ensure all devices use the same software
To define rules for communication between devices
To restrict unauthorized access
What organization developed and maintains TCP/IP technologies?
IEEE
IANA
IETF
ICANN
What layer of the OSI model is responsible for managing data segmentation and reassembly?
Application Layer
Transport Layer
Network Layer
Data Link Layer
In the encapsulation process, what is the PDU (Protocol Data Unit) at the Transport Layer?
Packet
Segment
Frame
Bit
What is the purpose of de-encapsulation in data communication?
Converting bits into signals for transmission
Removing headers and trailers to access the original data
Assigning IP addresses to devices
Encoding messages into binary
What is added during the encapsulation process at the Network Layer?
MAC address
IP address
Port number
Frame information
What is the primary purpose of a protocol suite?
To limit data traffic on the network
To ensure all devices use the same software
To define rules for communication between devices
To restrict unauthorized access
What layer of the OSI model is responsible for managing data segmentation and reassembly?
Application Layer
Transport Layer
Network Layer
Data Link Layer
What is the primary purpose of a router in a network?
To manage local area network traffic
To provide wireless access to devices
To amplify signals in a network
To connect different networks and route data between them
Which protocol is commonly used for secure data transmission over the Internet?
HTTP
SMTP
FTP
HTTPS
What is the main function of a switch in a network?
To encrypt data for secure transmission
To provide wireless connectivity
To route data between different networks
To connect multiple devices within the same network
What is the purpose of a firewall in a network?
To store data for backup
To provide wireless access
To protect the network from unauthorized access
To manage network traffic
What is the primary function of message encoding in data communication?
To divide messages into segments
To convert data into a suitable format for transmission
To assign logical addresses
To encrypt transmitted data
What benefit does a layered network model provide?
Eliminates the need for protocols
Allows hardware dependence across layers
Prevents changes in one layer from affecting others
Increases network complexity
Which OSI layer is responsible for segmentation and reassembly of data?
Network
Session
Transport
Data Link
Which characteristic allows a network to grow without affecting existing users?
Fault tolerance
Scalability
Security
Quality of Service
What is a defining characteristic of a converged network?
Separate infrastructures for voice and data
Use of circuit-switched connections
Single infrastructure carrying data, voice, and video
Limited to LAN environments
Which of the following is an example of an intermediary network device?
Laptop
File server
Router
Printer
