Point to Point
What is a characteristic of a physical point-to-point topology?
a. Multiple nodes share the media.
b. Nodes must determine the destination of incoming frames.
c. Logical data link protocols are complex.
d. Nodes directly connect without sharing the media.
d. Nodes directly connect without sharing the media.
Which devices are commonly used in multiaccess LANs to interconnect end devices?
a. Ethernet hubs
b. Ethernet switches
c. Routers
d. Coax cables
b. Ethernet switches
Which type of communication mode allows both devices to transmit and receive on the media but not simultaneously?
a. Full-duplex
b. Half-duplex
c. Simplex
d. Multiplex
b. Half-duplex
What is the characteristic of full-duplex communication?
a. Only one device can transmit and receive at a time.
b. Devices can simultaneously transmit and receive on the media.
c. Devices can only transmit data but not receive.
d. Devices can only receive data but not transmit.
b. Devices can simultaneously transmit and receive on the media
What type of communications protocol is commonly used in a physical point-to-point topology?
a. Ethernet
b. Point-to-Point Protocol (PPP)
c. Token Ring
d. Wi-Fi
b. Point-to-Point Protocol (PPP)
What is a characteristic of star and extended star topologies?
a. Difficult to install and troubleshoot
b. Limited scalability for adding or removing end devices
c. Require the use of Ethernet hubs for interconnection
d. Easy to install, scalable, and troubleshoot
d. Easy to install, scalable, and troubleshoot
What type of networks use the half-duplex mode?
a. Wireless LANs (WLANs)
b. Ethernet networks with switches
c. Fiber Distributed Data Interface (FDDI) networks
d. Coax cable networks
a. Wireless LANs (WLANs)
Which networking devices operate in full-duplex mode by default?
a. Ethernet switches
b. Ethernet hubs
c. Wireless access points
d. Routers
a. Ethernet switches
In a physical point-to-point topology, how do nodes determine whether an incoming frame is destined for them or another node?
a. By analyzing the logical data link protocols
b. By checking the destination IP address
c. By examining the source MAC address
d. By relying on the network cloud
d. By relying on the network cloud
In a point-to-point topology, how many devices are typically connected on the Ethernet LAN?
a. Multiple interconnected routers
b. Only one device
c. End devices connected to an Ethernet switch
d. Legacy Ethernet networks
b. Only one device
In half-duplex mode, how many devices can send or receive data on the shared medium at the same time?
a. Only one device
b. Multiple devices simultaneously
c. All devices connected to the network
d. Depends on the network topology
a. Only one device
How are frames transmitted in a physical point-to-point topology?
a. Frames are broadcasted to all nodes on the media.
b. Frames are sent directly between the two connected nodes.
c. Frames are routed through intermediate nodes.
d. Frames are transmitted wirelessly over the WAN links.
b. Frames are sent directly between the two connected nodes.
Which type of LAN topology used coax cables and did not require infrastructure devices like switches?
a. Star topology
b. Extended star topology
c. Bus topology
d. Ring topology
c. Bus topology
Which type of LAN topology commonly uses half-duplex communication with Ethernet hubs?
a. Star topology
b. Extended star topology
c. Bus topology
d. Ring topology
c. Bus topology
Under what circumstances can Ethernet switches operate in half-duplex mode?
a. When connected to wireless access points
b. When connected to routers
c. When connected to Ethernet hubs
d. When connected to fiber optic cables
c. When connected to Ethernet hubs
What is the purpose of the WAN links in the point-to-point network example?
a. To connect the routers to the network cloud
b. To share the media with other hosts
c. To determine the logical data link protocols
d. To handle the transmission of frames between nodes
a. To connect the routers to the network cloud
What type of LAN networks used ring topologies?
a. Ethernet networks
b. Token Ring networks
c. Fiber Distributed Data Interface (FDDI) networks
d. Coax cable networks
b. Token Ring networks
What is a limitation of half-duplex communication?
a. Inefficient use of network bandwidth
b. Limited network scalability
c. High latency and delay in data transmission
d. Inability to establish a connection between devices
a. Inefficient use of network bandwidth
What advantage does full-duplex communication offer over half-duplex communication?
a. Increased network scalability
b. Reduced latency and delay in data transmission
c. Improved efficiency in utilizing network bandwidth
d. Simpler network troubleshooting
c. Improved efficiency in utilizing network bandwidth