CS610 - Computer Networks
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| VU-CS 610 Quiz#2 |
What is the purpose of a Network Adapter Card (NIC)?
a) To connect the CPU to the network
b) To process data at network speeds
c) To provide an analog circuitry interface to the system bus
d) To buffer and process incoming data
Answer: a) To connect the CPU to the network
Which of the following is true about NICs?
a) NICs can be used with any type of physical network
b) NICs contain a separate microprocessor for data processing
c) NICs can differentiate among different wiring technologies
d) NICs connect directly to the network medium without additional circuitry
Answer: b) NICs contain a separate microprocessor for data processing
Which type of Ethernet interface cannot be used with Token Ring?
a) Thick Ethernet
b) Thin Ethernet
c) 10Base-T Ethernet
d) 10Mbps Ethernet
Answer: c) 10Base-T Ethernet
What is the main advantage of Thin Ethernet over Thick Ethernet?
a) It uses cheaper and easier-to-install coax cable
b) It can connect multiple computers to a single transceiver
c) It provides a more reliable network connection
d) It requires terminators to avoid signal reflectance
Answer: a) It uses cheaper and easier-to-install coax cable
Which type of wiring scheme is most popular due to its low cost?
a) Thick Ethernet
b) Thin Ethernet
c) Twisted Pair Ethernet
d) Token Ring
Answer: c) Twisted Pair Ethernet
Which type of topology does 10Base-T Ethernet have?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: b) Star
What is the purpose of a hub in Ethernet wiring?
a) To extend the network connection with multiplexing
b) To centralize electronics and connections for easier management
c) To filter and process incoming frames
d) To provide compatibility with different wiring technologies
Answer: b) To centralize electronics and connections for easier management
Which wiring scheme is the most reliable in terms of network disruptions?
a) Thick Ethernet
b) Thin Ethernet
c) Twisted Pair Ethernet
d) Token Ring
Answer: c) Twisted Pair Ethernet
Which wiring scheme is the most cost-effective?
a) Thick Ethernet
b) Thin Ethernet
c) Twisted Pair Ethernet
d) Token Ring
Answer: c) Twisted Pair Ethernet
What is the main difference between logical and physical topologies?
a) Logical topologies define the network technology, while physical topologies depend on the wiring scheme.
b) Logical topologies depend on the wiring scheme, while physical topologies define the network technology.
c) Logical topologies are based on star configurations, while physical topologies are based on bus configurations.
d) Logical topologies are used for long-distance connections, while physical topologies are used for local connections.
Answer: a) Logical topologies define the network technology, while physical topologies depend on the wiring scheme.
Which category of wires should be chosen based on the anticipated future needs of the network?
a) Category 3
b) Category 5
c) Category 6
d) Category 7
Answer: c) Category 6
What does auto-negotiation refer to in-network interfaces?
a) The process of negotiating the speed of the network connection
b) The automatic detection of wiring schemes in network interfaces
c) The ability to filter and process incoming frames
d) The compatibility of NICs with different network technologies
Answer: a) The process of negotiating the speed of the network connection
Which wiring scheme is no longer used due to its high cost?
a) Thick Ethernet
b) Thin Ethernet
c) Twisted Pair Ethernet
d) Token Ring
Answer: a) Thick Ethernet
Which wiring scheme uses a hub to simulate a bus topology?
a) Thick Ethernet
b) Thin Ethernet
c) Twisted Pair Ethernet
d) Token Ring
Answer: b) Thin Ethernet
What is the main advantage of twisted pair Ethernet?
a) It forms a classic star topology
b) It operates at a higher data rate than other wiring schemes
c) It is compatible with different network technologies
d) It is the cheapest wiring scheme available
Answer: a) It forms a classic star topology
What does LAN stand for in computer networking?
a) To connect the CPU to the network
b) To process data at network speeds
c) To provide an analog circuitry interface to the system bus
d) To buffer and process incoming data
Answer: a) To connect the CPU to the network
Which of the following is true about NICs?
a) NICs can be used with any type of physical network
b) NICs contain a separate microprocessor for data processing
c) NICs can differentiate among different wiring technologies
d) NICs connect directly to the network medium without additional circuitry
Answer: b) NICs contain a separate microprocessor for data processing
Which type of Ethernet interface cannot be used with Token Ring?
a) Thick Ethernet
b) Thin Ethernet
c) 10Base-T Ethernet
d) 10Mbps Ethernet
Answer: c) 10Base-T Ethernet
What is the main advantage of Thin Ethernet over Thick Ethernet?
a) It uses cheaper and easier-to-install coax cable
b) It can connect multiple computers to a single transceiver
c) It provides a more reliable network connection
d) It requires terminators to avoid signal reflectance
Answer: a) It uses cheaper and easier-to-install coax cable
Which type of wiring scheme is most popular due to its low cost?
a) Thick Ethernet
b) Thin Ethernet
c) Twisted Pair Ethernet
d) Token Ring
Answer: c) Twisted Pair Ethernet
Which type of topology does 10Base-T Ethernet have?
a) Bus
b) Star
c) Ring
d) Mesh
Answer: b) Star
What is the purpose of a hub in Ethernet wiring?
a) To extend the network connection with multiplexing
b) To centralize electronics and connections for easier management
c) To filter and process incoming frames
d) To provide compatibility with different wiring technologies
Answer: b) To centralize electronics and connections for easier management
Which wiring scheme is the most reliable in terms of network disruptions?
a) Thick Ethernet
b) Thin Ethernet
c) Twisted Pair Ethernet
d) Token Ring
Answer: c) Twisted Pair Ethernet
Which wiring scheme is the most cost-effective?
a) Thick Ethernet
b) Thin Ethernet
c) Twisted Pair Ethernet
d) Token Ring
Answer: c) Twisted Pair Ethernet
What is the main difference between logical and physical topologies?
a) Logical topologies define the network technology, while physical topologies depend on the wiring scheme.
b) Logical topologies depend on the wiring scheme, while physical topologies define the network technology.
c) Logical topologies are based on star configurations, while physical topologies are based on bus configurations.
d) Logical topologies are used for long-distance connections, while physical topologies are used for local connections.
Answer: a) Logical topologies define the network technology, while physical topologies depend on the wiring scheme.
Which category of wires should be chosen based on the anticipated future needs of the network?
a) Category 3
b) Category 5
c) Category 6
d) Category 7
Answer: c) Category 6
What does auto-negotiation refer to in-network interfaces?
a) The process of negotiating the speed of the network connection
b) The automatic detection of wiring schemes in network interfaces
c) The ability to filter and process incoming frames
d) The compatibility of NICs with different network technologies
Answer: a) The process of negotiating the speed of the network connection
Which wiring scheme is no longer used due to its high cost?
a) Thick Ethernet
b) Thin Ethernet
c) Twisted Pair Ethernet
d) Token Ring
Answer: a) Thick Ethernet
Which wiring scheme uses a hub to simulate a bus topology?
a) Thick Ethernet
b) Thin Ethernet
c) Twisted Pair Ethernet
d) Token Ring
Answer: b) Thin Ethernet
What is the main advantage of twisted pair Ethernet?
a) It forms a classic star topology
b) It operates at a higher data rate than other wiring schemes
c) It is compatible with different network technologies
d) It is the cheapest wiring scheme available
Answer: a) It forms a classic star topology
What does LAN stand for in computer networking?
a) Local Access Network
b) Local Area Network
c) Long-range Area Network
d) Limited Access Network
Answer: b) Local Area Network
What is the maximum cable length limitation in a standard Ethernet LAN?
What is the maximum cable length limitation in a standard Ethernet LAN?
a) 100 meters
b) 500 meters
c) 1-kilometer
d) Unlimited
Answer: a) 100 meters
Which LAN access mechanism uses carrier sensing and collision detection?
Which LAN access mechanism uses carrier sensing and collision detection?
a) CSMA/CD
b) Token Passing
c) CSMA/CA
d) TDMA
Answer: a) CSMA/CD
How does a repeater function in a LAN?
How does a repeater function in a LAN?
a) It amplifies the electrical signal
b) It filters and forwards frames
c) It converts digital data into pulses of light
d) It establishes connections between LAN segments
Answer: a) It amplifies the electrical signal
What is the purpose of a bridge in a LAN?
What is the purpose of a bridge in a LAN?
a) To connect LANs with different protocols
b) To extend the maximum cable length
c) To filter and forward frames between LAN segments
d) To amplify the signal strength
Answer: c) To filter and forward frames between LAN segments
Which LAN technology uses token passing for media access control?
Which LAN technology uses token passing for media access control?
a) Ethernet
b) Token Ring
c) Wi-Fi
d) Bluetooth
Answer: b) Token Ring
What is the main advantage of using fiber optic cables in LANs?
What is the main advantage of using fiber optic cables in LANs?
a) High data transfer rates
b) Long cable lengths without signal degradation
c) Easy installation and maintenance
d) Low cost compared to other technologies
Answer: b) Long cable lengths without signal degradation
Which device is commonly used to connect LAN segments and filter frames?
Which device is commonly used to connect LAN segments and filter frames?
a) Router
b) Switch
c) Hub
d) Bridge
Answer: d) Bridge
Which LAN extension technique uses additional hardware to relay signals between LAN segments?
Which LAN extension technique uses additional hardware to relay signals between LAN segments?
a) Fiber optic extension
b) Repeater placement
c) Wireless bridging
d) Ethernet switching
Answer: b) Repeater placement
Which LAN technology uses the CSMA/CA access mechanism?
Which LAN technology uses the CSMA/CA access mechanism?
a) Ethernet
b) Token Ring
c) Wi-Fi
d) Bluetooth
Answer: c) Wi-Fi
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| VU-CS 610 Quiz#2 |
What is the purpose of a gateway in a LAN?
a) To connect LANs with different protocols
b) To amplify the signal strength
c) To extend the cable length limitation
d) To filter and forward frames within a LAN
Answer: a) To connect LANs with different protocols
What is the primary function of a network switch?
What is the primary function of a network switch?
a) To connect LANs with different protocols
b) To amplify the signal strength
c) To extend the cable length limitation
d) To forward frames based on MAC addresses
Answer: d) To forward frames based on MAC addresses
Which LAN technology uses a hierarchical addressing scheme?
Which LAN technology uses a hierarchical addressing scheme?
a) Ethernet
b) Token Ring
c) IPX/SPX
d) ATM
Answer: c) IPX/SPX
What is the purpose of a subnet mask in LAN configuration?
What is the purpose of a subnet mask in LAN configuration?
a) To identify the physical addresses of devices
b) To define the network boundaries and host addresses
c) To determine the cable length limitation
d) To amplify the signal strength
Answer: b) To define the network boundaries and host addresses
Which LAN technology uses frequency division multiplexing?
Which LAN technology uses frequency division multiplexing?
a) Ethernet
b) Token Ring
c) FDDI
d) ATM
Answer: c) FDDI
Which LAN technology uses a centralized server for resource sharing?
Which LAN technology uses a centralized server for resource sharing?
a) Ethernet
b) Token Ring
c) Client-server model
d) Peer-to-peer model
Answer: c) Client-server model
What is the primary function of a network interface card (NIC)?
What is the primary function of a network interface card (NIC)?
a) To amplify the signal strength
b) To convert digital data into pulses of light
c) To connect LAN segments
d) To enable a device to communicate over a network
Answer: d) To enable a device to communicate over a network
Which LAN technology is based on the IEEE 802.11 standard?
Which LAN technology is based on the IEEE 802.11 standard?
a) Ethernet
b) Token Ring
c) Wi-Fi
d) Bluetooth
Answer: c) Wi-Fi
What is the purpose of a MAC address in LAN communication?
What is the purpose of a MAC address in LAN communication?
a) To identify the network address of a device
b) To amplify the signal strength
c) To define the cable length limitation
d) To uniquely identify a device on a network
Answer: d) To uniquely identify a device on a network
Which LAN technology uses a ring topology?
a) Ethernet
b) Token Ring
c) Wi-Fi
d) Bluetooth
Answer: b) Token Ring
What is the function of a network firewall in a LAN?
What is the function of a network firewall in a LAN?
a) To amplify the signal strength
b) To filter and control network traffic
c) To extend the cable length limitation
d) To connect LAN segments
Answer: b) To filter and control network traffic
Which LAN technology uses contention-based media access control?
Which LAN technology uses contention-based media access control?
a) Ethernet
b) Token Ring
c) Wi-Fi
d) Bluetooth
Answer: a) Ethernet
What is the purpose of a VLAN (Virtual LAN) in network configuration?
a) To amplify the signal strength
b) To define logical broadcast domains within a LAN
c) To extend the cable length limitation
d) To connect LAN segments with different protocols
Answer: b) To define logical broadcast domains within a LAN
Which LAN technology operates at a data rate of 10 Gbps?
Which LAN technology operates at a data rate of 10 Gbps?
a) Fast Ethernet
b) Gigabit Ethernet
c) Token Ring
d) FDDI
Answer: b) Gigabit Ethernet
What is the primary purpose of a DHCP server in a LAN?
What is the primary purpose of a DHCP server in a LAN?
a) To amplify the signal strength
b) To assign IP addresses dynamically to devices
c) To extend the cable length limitation
d) To connect LAN segments
Answer: b) To assign IP addresses dynamically to devices
Which LAN technology uses a star topology with a central switch?
Which LAN technology uses a star topology with a central switch?
a) Ethernet
b) Token Ring
c) Wi-Fi
d) Bluetooth
Answer: a) Ethernet
What is the purpose of a subnet in LAN configuration?
What is the purpose of a subnet in LAN configuration?
a) To amplify the signal strength
b) To extend the cable length limitation
c) To divide a network into smaller logical networks
d) To connect LAN segments with different protocols
Answer: c) To divide a network into smaller logical networks
Which LAN technology is commonly used for high-speed backbone networks?
Which LAN technology is commonly used for high-speed backbone networks?
a) Ethernet
b) Token Ring
c) Wi-Fi
d) ATM
Answer: d) ATM
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