Chapter 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| are used to connect networks together and route packets of data from one network to another | show 🗑
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| show | Broadcast Domain
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| show | Router
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| The router uses something called a ____interface for WAN connections, specifically, a V.35 physical interface on a Cisco router | show 🗑
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| two advantages of using routers in your network | show 🗑
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| Four router functions | show 🗑
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| This device forwards or filters frames | show 🗑
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| This device uses logical addressing and provide what is called packet switching | show 🗑
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| What is it called when routers connect two or more networks together and use logical addressing (IP or IPv6)? | show 🗑
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| show | routing table
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| show | Switches
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| show | Collision Domain
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| show | Routers
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| show | bridge
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| show | Switches
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| provide a separate broadcast domain for each interface | show 🗑
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| show | will not
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| even though you have a switched network, you still need a _____ to provide your inter-VLAN communication, or internetworking | show 🗑
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| show | collision domain
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| show | OSI Layered Model
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| It encourages industry standardization by defining what functions occur at each layer of the model. It allows various types of network hardware and software to communicate. | show 🗑
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| It prevents changes in one layer from affecting other layers, so it does not hamper development | show 🗑
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| show | OSI
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| The bottom four layers of the OSI define how____ is transmitted end to end | show 🗑
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| show | Session
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| In the OSI, this layer • Presents data • Handles processing such as encryption | show 🗑
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| show | Transport
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| show | Network
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| Which OSI layer Combines packets into bytes and bytes into frames • Provides access to media using MAC address • Performs error detection not correction | show 🗑
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| Which OSI layer • Moves bits between devices • Specifies voltage, wire speed, • and pin-out of cables | show 🗑
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| show | Application
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| show | Application
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| show | presentation layer
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| show | Session
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| This layer provides dialog control between devices, or nodes. It coordinates communication between systems and serves to organize their communication by offering three different modes: simplex, half duplex, and full duplex | show 🗑
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| The _____ layer segments and reassembles data into a data stream | show 🗑
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| Services located in the _______ layer segment and reassemble data from upper-layer applications and unite it into the same data stream | show 🗑
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| What type of networking means that acknowledgments, sequencing, and flow control will be used? Reliable or Unreliable | show 🗑
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| ____ ______ prevents a sending host on one side of the connection from overflowing the buffers in the receiving host—an event that can result in lost data | show 🗑
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| show | connection.
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| show | acknowledged.Any segments not acknowledged are retransmitted.
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| The purpose of flow control is to provide a means for the _______ to govern the amount of data sent by the ______. | show 🗑
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| In reliable transport operation, a device that wants to transmit sets up a connection-oriented communication with a remote device by creating a session. The transmitting device 1st establishes a connection-oriented session w/its peer system,which is_ _ _ | show 🗑
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| show | 1
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| The second and third segments acknowledge the request and establish connection parameters—the rules—between hosts. is the what step of the 3 way handshake? | show 🗑
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| These segments request that the receiver’s sequencing is synchronized here as well so that a bidirectional connection is formed. At what step of the 3 way handshake does this happen? | show 🗑
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| The final segment is also an acknowledgment. It notifies the destination host that the connection agreement has been accepted and that the actual connection has been established. Data transfer can now begin.( what step of 3 way handshake is this?) | show 🗑
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| A service is considered _______-________ if it has the following characteristics: A virtual circuit is set up (e.g., a three-way handshake). It uses sequencing. It uses acknowledgments. It uses flow control | show 🗑
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| show | flow control
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| The quantity of data segments (measured in bytes) that the transmitting machine is allowed to send without receiving an acknowledgment for them is called a ______ | show 🗑
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| If a receiving host fails to receive all the segments that it should acknowledge, the host can improve the communication session by decreasing the _______ size. | show 🗑
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| show | destination IP
address
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| What type of packets are used to transport user data through the internetwork.? | show 🗑
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| What type of packets are used to update neighboring routers about the networks connected to and to help build and maintain routing tables on each router all routers within the internetwork? | show 🗑
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| Protocols that send route update packets are called _____ protocols | show 🗑
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| show | routed .examples of routed protocols are IP and IPv6.
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| show | broadcast
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| show | Application
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| show | Presentation
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| show | Session
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| What OSI layer does this describe? End-to-end connection | show 🗑
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| What OSI layer does this describe? Routing | show 🗑
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| What OSI layer does this describe? Framing | show 🗑
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| What OSI layer does this describe? Physical Topology | show 🗑
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| A service is considered ______ -______ if it has the following characteristics: A virtual circuit is set up (e.g., a three-way handshake). It uses sequencing. It uses acknowledgments. It uses flow control. | show 🗑
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| show | Network.the Network layer
must transport traffic between devices that aren’t locally attached. Routers (layer 3 devices) are
specified at the Network layer and provide the routing services within an internetwork.
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| Two types of packets are used at the Network layer?_____ and_______ _______ | show 🗑
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| show | Metric
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| show | Interface.Each interface in a router represents a separate network.it must
be assigned unique network identification numbers, and each host on the network connected
to that router must use the same network number.
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| What is the number of routers a packet passes through en route to a remote network called? | show 🗑
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| Routers, by default, will or will not forward any broadcast or multicast packets. | show 🗑
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| show | logical
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| show | access lists
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| show | Routers
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| show |
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| show | Interface.Each interface in a router represents a separate network.it must
be assigned unique network identification numbers, and each host on the network connected
to that router must use the same network number.
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| show | hop count
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| Routers, by default, will or will not forward any broadcast or multicast packets. | show 🗑
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| show | logical
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| Routers can use ____ ______, created by an administrator, to control security on the types of packets that are allowed to enter or exit an interface. | show 🗑
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| _____ can provide layer 2 bridging functions if needed and can simultaneously route through the same interface. | show 🗑
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| show | connections
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| _____ can provide quality of service (QoS) for specific types of network traffic | show 🗑
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| The _____ _____ layer provides the physical transmission of the data and handles error notification, network topology, and flow control. | show 🗑
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| the Data Link layer will ensure that messages are delivered to the proper device on a LAN using ______ addresses and will translate messages from the Network layer into ___ for the Physical layer to transmit. | show 🗑
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| The Data Link layer formats the message into pieces, each called a data _____ and adds a customized header containing the hardware destination and source address | show 🗑
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| show | Data Link
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| show | packet
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| show | Media Access Control (MAC) 802.3.Physical addressing is defined here, as well as logical topologies
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| _____ topology is the signal path through a physical topology | show 🗑
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| show | Logical Link Control (LLC) 802.2.An LLC header tells the Data Link layer what to do with a packet
once a frame is received.
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| show | hardware (MAC) addresses.
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| show | application-specific integrated circuit (ASIC).
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| show | Latency
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| Bridges and switches read each frame as it passes through the network. The layer 2 device then puts the source hardware address in a ____ table and keeps track of which port the frame was received on. | show 🗑
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| show | networks
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| show | devices
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| show | It will forward the frame to all connected segments.If the unknown
device that was sent the “mystery frame” replies to this forwarding action, the switch updates
its filter table regarding that device’s location
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| show | Physical
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| This layer is where you identify the interface between the data terminal equipment (DTE) and the data communication equipment (DCE). | show 🗑
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| show | Hub
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| show | Ethernet
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| Ethernet networking uses _____, a protocol that helps devices share the bandwidth evenly without having two devices transmit at the same time on the network medium. | show 🗑
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| Explain what happens with CSMA/CD on an Ethernet LAN.... | show 🗑
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| show | Delay
Low throughput
Congestion
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| show | With a connection from a switch to a host
With a connection from a switch to a switch
With a connection from a host to a host using a crossover cable
Full-duplex Ethernet requires a point-to-point connection when only two nodes
are present.
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| There are no collisions in ____-duplex mode. | show 🗑
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| show | full
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| show | network
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| show | *for Ethernet addressing, commonly referred to
as hardware addressing or MAC addressing and for framing packets
received from the Network layer and preparing them for transmission on the local network
through the Ethernet contention media access method
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| show | 48,6
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| ______ are used at the Data Link layer to encapsulate packets handed down from the Network layer for transmission on a type of media access. | show 🗑
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| function of Ethernet stations is to pass data frames between each other using a group of bits known as a MAC frame format. This provides error _____ from a cyclic redundancy check (CRC) | show 🗑
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| Encapsulating a frame within a different type of frame is called _______ | show 🗑
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| show | broadcast
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| show | Multicast
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| What type of cable is used to connect these ? Host to switch or hub Router to switch or hub | show 🗑
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| What type of cable is used to connect these ? Switch to switch Hub to hub Host to host Hub to switch Router direct to host | show 🗑
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| To communicate&exchange info,each layer uses ____ ____ ____ These hold the control information attached to the data at each layer of the model. usually attached to the header in front of the data field but can also be in the trailer, or end, of it. | show 🗑
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| The Cisco hierarchical model...(The definition of the layers is logical, not physical.) The layer that provides the backbone is the ____ | show 🗑
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| The Cisco hierarchical model... (The definition of the layers is logical, not physical.)The layer that provides the routing is the what layer? | show 🗑
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| The Cisco hierarchical model... (The definition of the layers is logical, not physical.)The layer that provides the switching is the what layer? | show 🗑
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| show | Distribution
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| These things should be done at which layer of the hierarchical model? Routing Implementing tools (such as access lists), packet filtering, and queuing Implementing security and network policies, including address translation and firewalls | show 🗑
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| These things should be done at which layer of the hierarchical model? Redistributing between routing protocols, including static routing Routing between VLANs and other workgroup support functions Defining broadcast and multicast domains | show 🗑
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| In the cisco hierarchical model, the ____ layer controls user and workgroup access to internetwork resources. | show 🗑
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| show | Access.Technologies such as DDR and Ethernet switching are frequently seen in the access layer.
Static routing (instead of dynamic routing protocols) is seen here as well.
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Created by:
mlletech
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