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Questions and Answers
Which scheduling method allows each packet to be treated equally without prioritization?
Which scheduling method allows each packet to be treated equally without prioritization?
What is the primary purpose of Network Address Translation (NAT)?
What is the primary purpose of Network Address Translation (NAT)?
Which algorithm is associated with the concept of 'count to infinity'?
Which algorithm is associated with the concept of 'count to infinity'?
What aspect distinguishes iBGP from eBGP?
What aspect distinguishes iBGP from eBGP?
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Which component of an IPv4 header indicates the length of the header itself?
Which component of an IPv4 header indicates the length of the header itself?
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What are the main functions of the Data Plane in computer networking?
What are the main functions of the Data Plane in computer networking?
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Which of the following describes a key difference between circuit-switched and packet-switched networks?
Which of the following describes a key difference between circuit-switched and packet-switched networks?
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What is the primary purpose of TCP's delayed acknowledgments?
What is the primary purpose of TCP's delayed acknowledgments?
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Which of the following is a common request method in HTTP?
Which of the following is a common request method in HTTP?
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What differentiates Selective Repeat from Go-Back-N in TCP?
What differentiates Selective Repeat from Go-Back-N in TCP?
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Which layer in the Internet Protocol Stack is responsible for logical addressing?
Which layer in the Internet Protocol Stack is responsible for logical addressing?
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What is a characteristic of UDP compared to TCP?
What is a characteristic of UDP compared to TCP?
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In the context of DNS, what is a recursive query?
In the context of DNS, what is a recursive query?
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Study Notes
Computer Networking Final Exam - Fall 2024
- Exam Date & Time: Friday, December 6th, 7:00 PM – 9:00 PM
- Exam Format: Closed book/notes, no computer; similar to midterm format, with extra paper available.
- Exam Duration: 120 minutes
- Exam Scope: All lectures and textbook material
Exam Topics
-
Internet Protocol Stacks:
- Functions and naming of each layer
- Services offered by each layer (Ethernet, IP, TCP, UDP)
- Circuit-switched vs. packet-switched networks; advantages and disadvantages
- Multiplexing methods (Frequency/Time Division Multiplexing)
-
Timing, Loss, and Speed:
- Sources of delay in the network (bandwidth, throughput, latency, round trip times)
- Sources of network loss
-
Application Layer:
- HTTP protocol (request/response formats)
- DNS (structure, resource record types, security implications, recursive/non-recursive queries, authoritative servers)
-
Transport Layer:
- Principles of reliable data transfer (pipelined vs. alternating bit, Selective Repeat vs. GoBackN)
- UDP protocol
- TCP protocol (header fields, reliable data transfer, acknowledgement procedures, connection establishment/teardown, flow control, congestion control, delayed ACKs, timeout mechanisms)
-
Network Layer:
- Data Plane vs. Control Plane (functions of components, forwarding/routing, destination/generalized forwarding, router parts)
- Packet scheduling (Round Robin, FIFO, Priority Queues)
- Switching technologies
- IP addresses and subnetting (longest prefix matching, subnet notation, determining if an IP is in a subnet)
- Network Address Translation (NAT)
- IPv4 datagram and header
- DHCP
- Fragmentation
- IPv6 datagram and header
- Routing algorithms (centralized/distributed, link-state/distance vector, Dijkstra's algorithm, Bellman-Ford algorithm, count to infinity and poisoned reverse)
- OSPF
- BGP
-
Link Layer:
- Link layer services
- Multiple access links
- Ethernet protocol (header, address resolution protocol, switches)
- Wireshark (reading displays for transport/network layer status)
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Description
Prepare for the Computer Networking final exam covering all lectures and textbook material. Test your understanding of Internet Protocol stacks, timing, loss, and speed, as well as application and transport layer protocols. Ensure you're ready for a closed book exam format with various networking concepts.
