Podcast
Questions and Answers
Which layer of the Internet protocol stack is responsible for routing datagrams from source to destination?
Which layer of the Internet protocol stack is responsible for routing datagrams from source to destination?
- Network (correct)
- Application
- Link
- Transport
Which layer of the ISO/OSI reference model allows applications to interpret the meaning of data, such as encryption and compression?
Which layer of the ISO/OSI reference model allows applications to interpret the meaning of data, such as encryption and compression?
- Transport
- Presentation (correct)
- Session
- Internet
Which protocol is responsible for process-process data transfer in the Internet protocol stack?
Which protocol is responsible for process-process data transfer in the Internet protocol stack?
- TCP (correct)
- FTP
- HTTP
- UDP
In the Internet stack, which layer is responsible for data transfer between neighboring network elements?
In the Internet stack, which layer is responsible for data transfer between neighboring network elements?
Which layer of the ISO/OSI reference model is responsible for synchronization, checkpointing, and data exchange recovery?
Which layer of the ISO/OSI reference model is responsible for synchronization, checkpointing, and data exchange recovery?
What is the purpose of layering in airline functionality?
What is the purpose of layering in airline functionality?
In the context of air travel, why is modularization through layering important?
In the context of air travel, why is modularization through layering important?
What does a layered reference model provide for complex systems?
What does a layered reference model provide for complex systems?
How does layering help in dealing with complex systems?
How does layering help in dealing with complex systems?
What is an advantage provided by layering in airline functionality maintenance?
What is an advantage provided by layering in airline functionality maintenance?
Why is layering considered beneficial for complex systems?
Why is layering considered beneficial for complex systems?
In the Internet structure, which type of ISPs connect directly to tier-1 ISPs and pay for their services?
In the Internet structure, which type of ISPs connect directly to tier-1 ISPs and pay for their services?
Which type of ISPs sometimes peer directly with each other, bypassing tier-1 ISPs?
Which type of ISPs sometimes peer directly with each other, bypassing tier-1 ISPs?
What kind of network is considered the last hop network, closest to end systems?
What kind of network is considered the last hop network, closest to end systems?
Which entities treat each other as equals with no charges in the Internet structure?
Which entities treat each other as equals with no charges in the Internet structure?
What do tier-2 networks sometimes do to bypass tier-1 ISPs?
What do tier-2 networks sometimes do to bypass tier-1 ISPs?
How do packet passing occur in the Internet structure from source host to destination host?
How do packet passing occur in the Internet structure from source host to destination host?
What is the purpose of sending three packets towards a router?
What is the purpose of sending three packets towards a router?
What happens if a packet arrives at a full queue?
What happens if a packet arrives at a full queue?
What does throughput refer to in data communication?
What does throughput refer to in data communication?
What is the consequence of having Rs less than Rc in terms of throughput?
What is the consequence of having Rs less than Rc in terms of throughput?
How does a sender measure the delay in data transmission?
How does a sender measure the delay in data transmission?
What happens to a packet that arrives at a full buffer?
What happens to a packet that arrives at a full buffer?
What is the end-end delay for a packet with size L transmitted at a rate of R bps?
What is the end-end delay for a packet with size L transmitted at a rate of R bps?
In packet-switching, what can lead to packet loss?
In packet-switching, what can lead to packet loss?
Which function in the network layer determines the source-destination route taken by packets?
Which function in the network layer determines the source-destination route taken by packets?
What does circuit switching allocate for each 'call' between source and destination?
What does circuit switching allocate for each 'call' between source and destination?
What is the key difference between packet switching and circuit switching in terms of network efficiency?
What is the key difference between packet switching and circuit switching in terms of network efficiency?
What is the function of forwarding in the network layer?
What is the function of forwarding in the network layer?
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