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49 Cards in this Set
- Front
- Back
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Where does a hub send data? a Only to the receiving system b Only to the sending system c To all systems connected to the hub d Only to the server |
C it sends data to all systems connected to it |
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What uniquely identifies every NIC? a IP address b Media access control address c ISO number d Packet ID number |
b Media access control address |
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What windows utility do you use to find the MAC address for a system? A ipconfig/all b ipcfg/all c ping d mac |
A ipconfig/all |
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A MAC address i known as a _____________. A IP address B LOGICAL address C PHYSICAL address D OEM address |
C Physical address |
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A NIC sends data in discrete chunks called___________. a segments b sections c frames d layers |
c frames |
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Which MAC address begins a frame? a receiving system b sending system c network d router |
a receiving |
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A frame ends with a special bit called a frame check sequence (FCS). What does a FCS do? A Cycles data across the network b verifies that the MAC addresses are correct c verifies that the data arrived correctly d verifies that the IP address is correct |
c verifies that the data arrived correctly |
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Which of the following is an example of a MAC address? a 0-255 b 00-50-56-A3-04-0C c SBY3M7 d 192.168.4.13 |
b 00-50-56-A3-04-0C
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Which layer of the OSI seven- layer model keeps track of a systems connections to send the right response to the right computer? a Application b presentation c session d transport |
c session
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Which layer of the TCP/IP model controls the assembly and disassembly of data ? A application B presentation c session layer d transport |
d transport
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What are the 2 models used to conceptualize the many parts of the network?
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OSI and TCP/IP
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How many layers does OSI have and what are their names?
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Layer 7 Application layer 6 presentation layer 5 session layer 4 transport layer 3 network layer 2 datalink layer 1 physical |
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Protocols
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sets of clearly defined rules, standards, and procedures that enable hardware and software developers to make devices and applications at a particular level
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Unshielded twisted pair
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contains 4 pairs of wires that can transmit and receive data
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What layer are cabling and hubs on?
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Layer 1- physical |
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What is the interface between the PC and the Ethernet?
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The NIC
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What is burned on every NIC's ROM chip?
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MAC address
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What is an OUI?
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six hex digits in the first half of the MAC address that identifies the manufacturer. AKA Device ID
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Who issues the OUI?
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IEEE- Institute of Electrical and Electronics Engineers
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What are the last 6 hexadecimal digits in the MAC address?
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the device id
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What is another name for the physical address?
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MAC address
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What is EUI- 48?
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Extended Unique Identifier- 48 Numbering name space originally called MAC-48. MAC address will be 48 bits with first 24 as the OUI and the second 24 as the device ID |
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What is the discrete chunk of data sent by a NIC called?
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Frame |
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What is the binary math a FCS (frame check sequence) uses to verify data called?
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CRC - cyclical redundancy check
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Which MAC address comes first in a frame the recipient or the sender?
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the recipient
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What is the use of the MAC address to get frames to the proper computer or node?
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MAC addressing
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Most frames hold _____________ bytes of data.
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1500
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Most FCS are ____ bytes long.
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4
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What is this FF-FF-FF-FF-FF-FF?
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Broadcast address. It's sent to all address on the lan.
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LLC
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Layer 2 Data Link (1 of 2 sublayer) Logical Link Control One of the 2 aspects of the NIC. (1)It talks to the systems operating system(usually via device drivers),(2) handles multiple network protocols and (3)provides flow control |
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MAC
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Layer 2 Data Link(1 of 2 sublayer) Media Access Control One of the 2 aspects of the NIC. (1)Creates frames (2)adds NICs address to frames (3)adds or checks FCS (4)sends frames along network cable |
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What is the only layer that has sublayers?
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Data Link Layer has 2 sublayers: LLC-Logical Link Control MAC- Media Access Control |
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Layer 3 containers of data are called________.
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packets
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What is a logical address
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IP address
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TCP/IP
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Transmission Control Protocol/Internet Protocol
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Router
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routes packets to subnets and networks even if the ethernets use different types of data
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On what layer do packets get created and addressed ?
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Layer 3-Network
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Which layer does assembly and disassembly and data broken up into segments or datagrams?
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Layer 4 - Transport
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What Layer of OSI model handles all the connecting applications to applications ?
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Layer 5- Session
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Which OSI layer translates data from lower layers into a format usable by Application layer and vice versa?
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layer 6 - translation
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Which layer deals with code built into all Operating systems that enable network-aware applications?
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Layer 7- application
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How many layers are in TCP/IP model and what are they?
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Application Transport Internet Link/Network Interface |
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What layer of the TCP/IP model uses frames?
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Link Layer
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Which of the TCP/IP layer uses routers?
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Internet
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Which TCP/IP layer has connection-oriented and connectionless communication?
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Transport |
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Connection-oriented communication and name for data chunks
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TCP- transmission control protocol, segments
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Connectionless-oriented communication and name for data chunks
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UDP-user datagram protocol, datagrams
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Which layer of TCP/IP model combines the top 3 layers of OSI?
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Application
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