CCNA 1: Introduction to Networks Final Exam
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Questions and Answers

What layers of the TCP/IP model would be used if Host1 were to transfer a file to the server?

  • Transport, Internet, Network Access, and Application (correct)
  • Application, Transport, Internet, Network Access, and Physical
  • Network Access and Internet
  • Network Access, Internet, and Transport

    • What should be used as the default gateway setting of host H1?

  • The IP address of the server on the same LAN
  • The IP address of the switch connected to the router
  • The IP address of the router interface connected to the Internet (correct)
  • The IP address of the host H1 itself

    • What service is provided by Internet Messenger?

  • Instant messaging (correct)
  • Email
  • Remote desktop
  • File transfer

    • What would cause signal distortion and data corruption in newly installed Ethernet cabling?

    <p>Electrical equipment and fluorescent lights</p> Signup and view all the answers

    How will a device obtain a destination MAC address if there are no mappings in its ARP cache?

    <p>By sending an ARP request to the destination IP address</p> Signup and view all the answers

    What service is the client requesting if the packet has a destination port number of 53?

    <p>DNS</p> Signup and view all the answers

    What is the smallest network mask that can support 25 connected devices?

    <p>/27</p> Signup and view all the answers

    What characteristic describes a Trojan horse?

    <p>It is a type of malware that disguises itself as a legitimate program</p> Signup and view all the answers

    What is the primary function of the DNS service?

    <p>To translate domain names to IP addresses</p> Signup and view all the answers

    What type of server relies on record types such as A, NS, AAAA, and MX?

    <p>DNS server</p> Signup and view all the answers

    What is the purpose of the Real-Time Transport Protocol (RTP)?

    <p>To transmit voice and video traffic</p> Signup and view all the answers

    What command can be used on a Windows PC to view the IP configuration of that computer?

    <p>ipconfig</p> Signup and view all the answers

    What is a characteristic of a virus?

    <p>It is a self-replicating piece of code</p> Signup and view all the answers

    What is the primary function of the layer 3 of the TCP/IP model?

    <p>To provide routing between networks</p> Signup and view all the answers

    What type of wireless technology is commonly used in home automation applications?

    <p>Zigbee</p> Signup and view all the answers

    What is the purpose of QoS in a network?

    <p>To prioritize traffic and ensure timely delivery</p> Signup and view all the answers

    Study Notes

    CCNA 1 – Introduction to Networks (Version 7.00) – ITNv7

    Networking Fundamentals

    • Real-Time Transport Protocol (RTP) is used for two types of traffic
    • Wireless technology with low-power and data rate requirements is popular in home automation applications
    • The Network layer of the TCP/IP model provides a route to forward messages through an internetwork
    • DNS relies on record types such as A, NS, AAAA, and MX to provide services

    Network Protocols

    • Proprietary protocols are not open standards
    • DNS provides a service that translates domain names to IP addresses
    • Port 110 is used for POP3 email service

    Networking Commands

    • The ipconfig command can be used on a Windows PC to see the IP configuration of that computer

    Networking Models

    • A wired laser printer attached to a home computer and shared with other computers on the home network uses the client-server model

    Network Security

    • A characteristic of a virus is that it replicates itself
    • QoS prioritizes traffic in the order of real-time audio, financial transactions, and web browsing

    IPv6 Addressing

    • The IPv6 address components include global unicast, link-local, site-local, and multicast addresses

    Network Communication

    • The application, transport, and network layers of the TCP/IP model are used for file transfer
    • The default gateway setting of a host should be the IP address of the router interface connected to the host

    Network Services

    • Internet Messenger provides real-time communication services
    • HTTP uses TCP port 80, and HTTPS uses TCP port 443 for secure communication

    Network Design

    • The IP address and prefix that satisfies the usable host addressing requirements for each network
    • OSPF is a routing protocol responsible for building routing tables

    Network Troubleshooting

    • Electromagnetic interference (EMI) and radio-frequency interference (RFI) can interfere with copper cabling and result in signal distortion and data corruption
    • A host obtains a destination MAC address by sending an ARP request

    Network Applications

    • A client uses a DNS query to obtain a destination IP address
    • A PC uses port numbers to keep track of multiple application sessions and receive correct packet flows

    Network Security Threats

    • A characteristic of a Trojan horse is that it is a malicious program disguised as legitimate software
    • HTTPS provides secure web communication using SSL/TLS

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    Practice quiz for the CCNA 1: Introduction to Networks (Version 7.00) final exam, covering various networking concepts and technologies.

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