Networking 2 Final Exam
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Questions and Answers

IPv4 consists of four numbers (called what?) separated by periods

  • subnets
  • digits
  • octets (correct)
  • host addresses
  • 191.10.100.20 is categorize as a what address?

  • Class B (correct)
  • Class A
  • Class C
  • Class D
  • IP Addresses in the Class C private range are:

  • 10.0.0.0 to 10.255.255.255
  • 172.16.0.0 to 172.31.255.255
  • 192.168.0.0 to 192.168.255.255 (correct)
  • 127.0.0.0 to 127.255.255.255
  • The layer 2 (Data Link Layer) PDU (Protocol Data Unit) is called a:

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

    Transport Layer protocols are: (choose 2)

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

    What is 3rd layer of the OSI model?

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

    Which is faster but is unreliable?

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

    Which of these is an application layer protocol?

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

    Which layer is responsible for logical addressing and routing?

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

    What is hexadecimal for binary 1011?

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

    What is a common prefix for hexadecimal?

    <p>0x</p> Signup and view all the answers

    Which of these is inside an IPv4 header?

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

    For a /16 network, which is the host portion of the address 1.2.3.4?

    <p>3.4</p> Signup and view all the answers

    Which allows 256 addresses with 254 usable hosts?

    <p>/24</p> Signup and view all the answers

    What is at the end of a frame?

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

    Which of these is a valid Mac Address?

    <p>A0:B1:C2:D3:E4:11</p> Signup and view all the answers

    The network layer encapsulates the protocol data unit (PDU) from the transport layer into a packet.

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

    What is a technique used in networking to map private IP addresses within a local network to a single public IP address for internet access.

    <p>Network Address Translation</p> Signup and view all the answers

    Which command displays the current routing table, including active routes, network destinations, netmasks, gateways, interfaces, and metrics. Choose 2.

    <p>netstat -r</p> Signup and view all the answers

    Which command would you use to see address resolution on a windows client?

    <p>arp -a</p> Signup and view all the answers

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