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WorksheetsMIDTERM EXAM PC4
Total questions: 60
Worksheet time: 30mins
A multiplexer combines several input signals into one output signal.
True
False
A repeater can be used to extend the range of a wireless network.
True
False
What device connects a computer to the internet using a phone line?
Router
Modem
Switch
Hub
A gateway can connect networks that use different communication protocols.
True
False
A hub can filter data traffic based on MAC addresses.
True
False
A router can perform Network Address Translation (NAT).
True
False
Which device is often used to provide Wi-Fi access in a network?
Hub
Access Point
Router
Repeater
A device that combines multiple signals into one signal over a shared medium is known as a:
Hub
Switch
Multiplexer
Repeater
An access point is used to connect wired devices to a network.
True
False
A modem modulates and demodulates signals for communication over telephone lines.
True
False
A switch creates a single broadcast domain.
True
False
A switch operates at the network layer of the OSI model.
True
False
A bridge operates at the physical layer of the OSI model.
True
False
What device is used to connect multiple devices within the same network and operates at the data link layer (Layer 2)?
Hub
Switch
Router
Gateway
Which device can segment a network into smaller collision domains?
Router
Hub
Switch
Bridge
Which device connects two or more different networks, translating protocols as necessary?
Switch
Router
Gateway
Modem
Which device is used to connect and manage multiple devices within a wireless network?
Wireless Router
Wireless Access Point
Modem
Hub
Which device is used to connect different segments of a LAN and filters traffic based on MAC addresses?
Router
Switch
Bridge
Gateway
Which device regenerates and amplifies signals in a network, extending the transmission distance?
Router
Switch
Repeater
Bridge
Which device is primarily used to connect different network segments and operates at the network layer (Layer 3) of the OSI model?
Hub
Switch
Router
Bridge
What type of connector is commonly used with coaxial cables in networking?
RJ45
BNC
HDMI
USB
What does "attenuation" refer to in transmission media?
The increase in signal strength over distance
The reduction in signal strength over distance
The interference caused by other signals
The capability of a medium to carry data
What does "STP" stand for in networking cables?
Straight Through Pair
Shielded Twisted Pair
Single Twisted Pair
Standard Twisted Pair
What is the maximum bandwidth supported by Cat6a cables?
100 Mbps
1 Gbps
10 Gbps
40 Gbps
What is the primary advantage of using fiber optic cables over copper cables?
Lower cost
Higher bandwidth and longer distance capabilities
Easier installation
Better compatibility with older systems
Which type of transmission medium uses radio waves to transmit data?
Coaxial cable
Fiber optic cable
Twisted pair cable
Wireless
What is a common use for coaxial cables in networking?
Connecting desktop computers
Connecting televisions and internet service
Connecting mobile phones
Connecting fiber optic networks
Which of the following is NOT a type of transmission medium?
Coaxial cable
Fiber optic cable
Wireless
Router
Which type of cable is least susceptible to electromagnetic interference (EMI)?
Unshielded Twisted Pair (UTP)
Shielded Twisted Pair (STP)
Coaxial cable
Fiber optic cable
Which type of cable uses light to transmit data?
Coaxial cable
Twisted pair cable
Fiber optic cable
Ethernet cable
What is the maximum recommended length for a single segment of Cat5e Ethernet cable?
50 meters
100 meters
150 meters
200 meters
Which type of fiber optic cable is best for long-distance data transmission?
Multimode fiber
Single-mode fiber
Plastic optical fiber
Coaxial fiber
In a wired network, what is the purpose of using twisted pair cables?
To increase the bandwidth
To reduce electromagnetic interference
To lower the cost of installation
To improve signal attenuation
Which wireless standard operates in the 2.4 GHz and 5 GHz frequency bands?
IEEE 802.3
IEEE 802.11ac
IEEE 802.5
IEEE 802.15
Which of the following is a disadvantage of wireless transmission?
Mobility
Convenience
Interference and security concerns
Ease of installation
Which type of twisted pair cable is typically used in modern Ethernet networks?
Cat3
Cat5e
Cat1
Cat2
Which of the following best describes the use of multimode fiber?
It is used for long-distance communications
It is used for short-distance communications
It uses a single light path
It has a smaller core than single-mode fiber
Which wireless technology is often used for short-range communication, such as within a personal area network (PAN)?
Wi-Fi
Bluetooth
LTE
WiMAX
What is the typical maximum data rate for IEEE 802.11ac Wi-Fi standard?
600 Mbps
1 Gbps
1.3 Gbps
10 Gbps
What does "STP" stand for in networking cables?
A. Straight Through Pair
B. Shielded Twisted Pair
C. Single Twisted Pair
D. Standard Twisted Pair
What does the Physical Layer define regarding connectors?
Voltage levels
Pin configurations
Data encryption
MAC addresses
At which layer do repeaters operate in the OSI model?
Data Link Layer
Physical Layer
Network Layer
Transport Layer
Which type of cable is commonly used at the Physical Layer to connect network devices?
RJ45
Coaxial cable
HDMI cable
Fiber optic cable
Which signaling method is used at the Physical Layer to represent binary data?
Manchester encoding
ARP
CSMA/CD
TCP
Which of the following is a standard associated with the Physical Layer?
IEEE 802.3
IP
TCP
HTTP
Which layer of the OSI model is responsible for transmitting raw bit streams over a physical medium?
Data Link Layer
Network Layer
Transport Layer
Physical Layer
What does OSI stand for?
Open System Integration
Open Source Interconnection
Open Systems Interconnection
Operational Systems Interface
Which of the following terms is associated with the Physical Layer?
Packet switching
Bit rate
Logical Link Control
Network topology
What is the primary function of the Physical Layer in the OSI model?
Managing data transfer errors
Providing end-to-end communication
Defining electrical and physical specifications for devices
Routing data between devices
The Physical Layer is concerned with the following aspects of network communication except:
Voltage levels
Data encoding
Logical addresses
Connectors and pinouts
In the OSI model, what term is used to describe the hardware that connects computers and other network devices at the Physical Layer?
Nodes
Media
Endpoints
Topology
Which of the following is a characteristic of the Physical Layer?
Flow control
Logical addressing
Bit synchronization
Error handling
What is the main difference between the Physical Layer and the Data Link Layer?
Physical Layer handles error detection
Data Link Layer defines the physical and electrical specifications
Physical Layer deals with frames
Data Link Layer handles error correction and MAC addressing
What type of signal is used to transmit data at the Physical Layer?
Analog
Digital
Hybrid
Both A and B
Which of the following is NOT a characteristic of the Physical Layer?
Data rates
Signal encoding
Error detection and correction
Physical medium
The Physical Layer deals with which type of data?
Packets
Frames
Bits
Segments
Which of the following components is associated with the Physical Layer?
Network Interface Card (NIC)
IP address
Ethernet frame
MAC address
Which of the following media types does the Physical Layer NOT include?
Copper wires
Fiber optics
Wireless transmission
IP addresses
Which device operates primarily at the Physical Layer of the OSI model?
Switch
Router
Hub
Firewall
Which IEEE standard is related to the Physical Layer for wireless networking?
IEEE 802.11
IEEE 802.3
IEEE 802.15
IEEE 802.1Q
