CCNA 1 TCP/IP

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Author:
djames8
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30516
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CCNA 1 TCP/IP
Updated:
2013-07-25 17:19:32
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Cisco
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Cisco CCNA Study Cards
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  1. List the 7 layers of the OSI model
    • Physical
    • Data Link
    • Network
    • Transport
    • Session
    • Presentation
    • Application
  2. List characteristics of the Physical Layer (1) of the OSI model
    Characteristics: Voltage levels, timing of voltage changes, physical data rates, maximum transmission distances, physical connectors
  3. In what layer of the OSI model are ports assigned?
    Layer 4 - The session layer
  4. What is the protocol for Internet Assigned Number Authority (IANA)
    Port 80 ?
    HTTP (Hypertext transfer protocol)
  5. What is the protocol for Internet Assigned Number Authority (IANA)
    Port 23 ?
    Telnet protocol (TCP)
  6. What is the protocol for Internet Assigned Number Authority (IANA)
    Port 21 ?
    FTP – control (command)
  7. What is the protocol for Internet Assigned Number Authority (IANA)
    Port 69 ?
    Trivial File Transfer Protocol (TFTP) (TCP)
  8. What is the protocol for Internet Assigned Number Authority (IANA) Port 22 ?
    Secure Shell (SSH)—used for secure logins, file transfers (scp, sftp) and port forwarding (TCP & UDP)
  9. What is the protocol for Internet Assigned Number Authority (IANA) Port 25 ?
    Simple Mail Transfer Protocol (SMTP)—used for e-mail routing between mail servers
  10. What is the protocol for Internet Assigned Number Authority (IANA) Port 443 ?
    HTTPS (Hypertext Transfer Protocol over SSL/TLS)
  11. Describe the data link layer
    • Layer 2
    • Defines how data is formatted for transmission an how access to teh network is controlled.
  12. What layer of the OSI model provides error detection ?
    Layer 2 - Data Link Layer
  13. Hub, Cables, Interconnections, repeater are included in what layer of the OSI model
    Layer 2 - Data Link Layer
  14. A switch is contained in which layer of the OSI model?
    Layer 2 Data Link Layer
  15. A router is contained in which layer of the OSI model?
    Layer 3 - Network Layer
  16. What layer of the OSI model is associate with these protocols?
    Ethernet
    Serial-HDLC
    Frame-relay (FR)
    PPP (Multiplexed)
    Layer 2 - Data Link Layer
  17. What layer of the OSI model is associated with IP, IPV4, IPV6 ?
    Layer 3 (Network Layer)
  18. What layer of the OSI model is associate with these protocols?
    RIP
    TCP/UDP
    GRE
    ICMP
    Layer 4 (Transport layer)
  19. What layer of the OSI model is assoicate with these source/destination information?
    EXP
    EIGRP
    OSPF
    IGP
    Layer 4 (Transport Layer)
  20. Is an IP address visible at Layer 2?
    No...mac address at this layer
  21. Describe characteristics of Layer 3 (Network Layer) of the OSI model?
    • Data Delivery
    • Routes data packets
    • Selects best path to deliver data
    • Provides logical addressing and path selection
  22. Name the layer and describe characteristics of the Layer 4?
    • Transport Layer
    • End-to-End Connections
    • * Handles transportation issues between hosts
    • * Ensures data transport reliability
    • * Establishs maintains and terminates virtual circuits
    • * Provides reliability through fault detection and recovery information flow control
  23. Name the layer and describe characteristics of the Layer 4?
    • Transport Layer
    • End-to-End Connections
    • * Handles transportation issues between hosts
    • * Ensures data transport reliability
    • * Establishs maintains and terminates virtual circuits
    • * Provides reliability through fault detection and recovery information flow control
  24. Name the layer and describe characteristics of the Layer 4?
    • Transport Layer
    • End-to-End Connections
    • * Handles transportation issues between hosts
    • * Ensures data transport reliability
    • * Establishs maintains and terminates virtual circuits
    • * Provides reliability through fault detection and recovery information flow control
  25. Name Layer 5 of the OSI model and list some characteristics
    • Session Layer - 5
    • establishes, manages, and terminates sessions between applications
  26. Which layer of the OSI model synchronized dialog between the presentation layers of the two hosts and manages their data exchange?
    Layer 5 - Session Layer
  27. Which layer of the OSI model provides for Class of Service (CoS) and exception reporting from session layer, presentation layer and application layer problems.
    Layer 5 - Session Layer
  28. List the layer number and some characteristics of the Presentation Layer
    • Layer 6 - Presentation
    • * Ensures that data is readable by receiving system
    • * Formats data
    • * Structures data
    • * Negotiates data transfer Syntax for application layer
    • * provides encryption
  29. Which layer of the OSI model provides encryption?
    Layer 6 - Presentation Layer
  30. What is the name for Layer 7 of the OSI model and list some characteristics
    • Layer 7 - Application Layer
    • * Provides network services to application processes (such as email, file transfer and terminal emulation)
    • * provides user authentication
  31. what layer of the OSI model provides these network services?
    email
    file transfer
    terminal emulation
    Layer 7 - Application Layer
  32. List four layers layers of the TCP/IP stack
    • 1. Application
    • 2. Transport
    • 3. internet
    • 4. Network Access

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