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Questions and Answers
Switching nodes in a switched network are concerned with the content of data.
Switching nodes in a switched network are concerned with the content of data.
False (B)
In a switched network, the node-user links are usually multiplexed links.
In a switched network, the node-user links are usually multiplexed links.
False (B)
Packet switching involves transmitting data in large packets.
Packet switching involves transmitting data in large packets.
False (B)
In packet switching, packets are accepted only when the network is not busy.
In packet switching, packets are accepted only when the network is not busy.
Packet switching allows for prioritizing packets based on their content.
Packet switching allows for prioritizing packets based on their content.
In packet switching, longer messages are transmitted as a single packet.
In packet switching, longer messages are transmitted as a single packet.
Each packet in packet switching contains only a payload of user data.
Each packet in packet switching contains only a payload of user data.
Packet overhead is not a concern in packet switching.
Packet overhead is not a concern in packet switching.
The IEEE 802.1 Data Link Layer is divided into Logical Link Control Sublayer and Medium Access Control Sublayer.
The IEEE 802.1 Data Link Layer is divided into Logical Link Control Sublayer and Medium Access Control Sublayer.
The IEEE 802.2 Logical Link Control (LLC) only provides a means for exchanging frames between LANs that use the same MAC protocols.
The IEEE 802.2 Logical Link Control (LLC) only provides a means for exchanging frames between LANs that use the same MAC protocols.
The Medium Access Control Sublayer provides a connection-oriented frame transfer service.
The Medium Access Control Sublayer provides a connection-oriented frame transfer service.
IEEE 802.3 MAC Frame contains a preamble, destination address, source address, and padding.
IEEE 802.3 MAC Frame contains a preamble, destination address, source address, and padding.
The IEEE 802.3 MAC Frame can have a total length of 1519 - 1518 bytes.
The IEEE 802.3 MAC Frame can have a total length of 1519 - 1518 bytes.
The first 24 bits of the source address in an IEEE 802.3 MAC Frame are assigned to the manufacturer.
The first 24 bits of the source address in an IEEE 802.3 MAC Frame are assigned to the manufacturer.
IEEE 802.11 is an example of a Token Ring LAN.
IEEE 802.11 is an example of a Token Ring LAN.
The IEEE 802 Network Layer is part of the Data Link Layer according to the text.
The IEEE 802 Network Layer is part of the Data Link Layer according to the text.
The least significant bit of the first byte in a MAC address defines the type of address.
The least significant bit of the first byte in a MAC address defines the type of address.
The broadcast destination address is a special case of the unicast address.
The broadcast destination address is a special case of the unicast address.
A MAC address with the second hexadecimal digit from the left as an odd number is a multicast address.
A MAC address with the second hexadecimal digit from the left as an odd number is a multicast address.
Twisted pair cables are expensive and difficult to work with.
Twisted pair cables are expensive and difficult to work with.
Bridging increases reliability in a network.
Bridging increases reliability in a network.
Ethernet hubs and switches operate in separate collision domains.
Ethernet hubs and switches operate in separate collision domains.
Transparent switches use table lookup and discard frames if source and destination are in different LANs.
Transparent switches use table lookup and discard frames if source and destination are in different LANs.
Transparent switches use backward learning to build their table of source addresses.
Transparent switches use backward learning to build their table of source addresses.
Bridging between similar LANs requires modification to frame content or format.
Bridging between similar LANs requires modification to frame content or format.
Routers are responsible for Internet routing and all traffic stays in their own LAN.
Routers are responsible for Internet routing and all traffic stays in their own LAN.
Hubs and bridges use identical physical/link layer protocols for similar LANs.
Hubs and bridges use identical physical/link layer protocols for similar LANs.
Bridging is not transparent to stations.
Bridging is not transparent to stations.
Repeater devices regenerate signals on both LANs.
Repeater devices regenerate signals on both LANs.
Hubs have higher scalability compared to routers.
Hubs have higher scalability compared to routers.
Bridging involves minimal processing and no encapsulation.
Bridging involves minimal processing and no encapsulation.
Bridges filter traffic based on MAC addresses.
Bridges filter traffic based on MAC addresses.
Routers manage the routing of traffic to the rest of the Internet.
Routers manage the routing of traffic to the rest of the Internet.
Twisted pairs are used in hub and bridge connections.
Twisted pairs are used in hub and bridge connections.
