Exam 1 - Sept 24, 2024

Study Guide:

  1. Circuit vs. Packet Switching
    • Study the advantages and disadvantages of both methods.
  2. Router Delays
    • Understand the various types of delays experienced in routers.
    • Calculate end-to-end delay in a network, considering factors such as propagation delay, transmission delay, queuing delay, and processing delay.
  3. Packet Loss
    • Learn how packet loss occurs in networks.
  4. TCP/IP Model Layers
    • Identify the TCP/IP model layers utilized by different devices, including switches, routers, and computer hosts.
  5. Link Types to ISPs
    • Differentiate between dedicated links and shared links to Internet Service Providers (ISPs).
  6. Security Threats
    • Familiarize yourself with various security attacks and types of malware.
  7. Network Architectures
    • Assess the advantages and disadvantages of client-server versus peer-to-peer networks.
  8. Sockets
    • Understand what a socket is and its role in networking.
  9. TCP vs. UDP Services
    • Explore the different services provided by TCP and UDP.
  10. Cookies
    • Learn about cookies and their functions in web browsing.
  11. DNS Server Types
    • Discuss the benefits of single versus distributed DNS servers.
  12. Common Protocols and Ports
    • Familiarize yourself with the following protocols and their corresponding ports:
    • HTTP: 80
    • HTTPS: 443
    • DNS: 53
    • DNS Secure: 853
    • FTP: 20/21 (Why 2 ports)
    • SMTP: 25
    • SMTP Secure: 465
    • POP3: 110
    • POP3 Secure: 995
    • IMAP: 143
    • IMAP Secure: 993

Exam Guidelines