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Questions and Answers
What is the main advantage of random access MAC protocols at low load?
What is the main advantage of random access MAC protocols at low load?
- They can handle high-load situations efficiently
- A single node can fully utilize the channel (correct)
- They are less prone to single point of failure
- They are suitable for use with 'dumb' slave devices
What is the main concern of 'taking turns' MAC protocols?
What is the main concern of 'taking turns' MAC protocols?
- Polling overhead
- Token overhead
- Collision overhead
- Latency and single point of failure (correct)
What is the purpose of a MAC address?
What is the purpose of a MAC address?
- Used for flow control in LANs
- Used for error detection and correction
- Used 'locally' to get a frame from one interface to another physically-connected interface (correct)
- Used for layer 3 (network layer) forwarding
Who administers the allocation of MAC addresses?
Who administers the allocation of MAC addresses?
What is the advantage of a flat MAC address?
What is the advantage of a flat MAC address?
How many bits are typically used to represent a MAC address in most LANs?
How many bits are typically used to represent a MAC address in most LANs?
What is the primary purpose of the ARP protocol?
What is the primary purpose of the ARP protocol?
What is the significance of the TTL value in an ARP table?
What is the significance of the TTL value in an ARP table?
What happens when a device receives an ARP query packet containing its IP address?
What happens when a device receives an ARP query packet containing its IP address?
Why is it necessary to have a unique MAC address for each adapter on a LAN?
Why is it necessary to have a unique MAC address for each adapter on a LAN?
What is the purpose of the ARP table in a device?
What is the purpose of the ARP table in a device?
What happens to the information in the ARP table?
What happens to the information in the ARP table?
What is the purpose of ARP?
What is the purpose of ARP?
What is the destination MAC address in the link-layer frame sent from A to R?
What is the destination MAC address in the link-layer frame sent from A to R?
What is the source MAC address in the link-layer frame sent from R to B?
What is the source MAC address in the link-layer frame sent from R to B?
Why is Ethernet considered a dominant wired LAN technology?
Why is Ethernet considered a dominant wired LAN technology?
What is the purpose of the Ethernet frame structure?
What is the purpose of the Ethernet frame structure?
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