True/False
Indicate whether the
statement is true or false.
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1.
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In data networks, the task of directing information efficiently to the correct
destination is handled by connectivity devices, primarily switches and routers.
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2.
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Advances in NIC technology are making this hardware smarter than ever.
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3.
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It is best to perform connectivity tests on a computer connected to a live
network.
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4.
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Bridges are protocol independent.
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5.
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Cut-through switches can detect corrupt packets.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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NICs contain a(n) ____, which transmits and receives data signals.
a. | keyboard port | c. | data transceiver | b. | mouse port | d. | antenna |
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2.
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By far, the most popular expansion board NIC today is one that uses a(n) ____
bus.
a. | onboard | c. | ExpressCard | b. | PCIe | d. | ISA |
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3.
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PCIe slots vary depending on the number of ____ they support.
a. | lanes | c. | cards | b. | labels | d. | processors |
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4.
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Buses differ according to their ____.
a. | connectors | c. | capacity | b. | resistance | d. | speed |
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5.
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CompactFlash is an example of a peripheral device attached to the
computer’s ____ bus.
a. | internal | c. | onboard | b. | external | d. | remote |
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6.
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To install a NIC, you must first install the ____.
a. | software | c. | drivers | b. | hardware | d. | bus |
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7.
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Each time a computer starts up, the device drivers for all its connected
peripherals are loaded into ____.
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8.
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In general, a steady or blinking green LED, sometimes labeled ____,
indicates that the NIC is functional and has a connection to the network.
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9.
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In addition to viewing its LEDs and using a loopback plug to test a NIC’s
functionality, you can also check a NIC’s connectivity with ____.
a. | simple commands | c. | special switches | b. | special clients | d. | special
software |
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10.
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A hardware component that can be changed without disrupting operations is known
as ____.
a. | fast-synching | c. | hot-swappable | b. | hot-synching | d. | fast-swappable |
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11.
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Repeaters operate in the ____ layer of the OSI model.
a. | Physical | c. | Transport | b. | Network | d. | Session |
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12.
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At its most primitive, a ____ is a repeater with more than one output
port.
a. | base | c. | switch | b. | hub | d. | bridge |
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13.
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A ____ is a repeater with more than one output port.
a. | bridge | c. | hub | b. | switch | d. | router |
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14.
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A ____ can interpret physical addressing information.
a. | repeater | c. | hub | b. | switch | d. | bridge |
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15.
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Traditional switches operate at the ____ layer of the OSI model.
a. | Physical | c. | Network | b. | Data link | d. | Session |
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16.
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Switches can create ____ by grouping a number of ports into a broadcast
domain.
a. | trunks | c. | gateways | b. | spanning trees | d. | VLANs |
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17.
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To eliminate the possibility of a broadcast storm, switches and bridges
implement the ____.
a. | RIP (Routing Information Protocol) | b. | STP (Spanning Tree
Protocol) | c. | BGP (Border Gateway Protocol) | d. | OSPF (Open Shortest Path First)
protocol |
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18.
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Switches that operate anywhere between Layer 4 and Layer 7 are also known as
____ switches.
a. | peripheral | c. | content | b. | STP | d. | multiport |
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19.
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A ____ is a multiport connectivity device that directs data between nodes on a
network.
a. | switch | c. | router | b. | bridge | d. | gateway |
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20.
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____ routing is a technique in which a network administrator programs a router
to use specific paths between nodes.
a. | Static | c. | Best path | b. | Dynamic | d. | Link-state |
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21.
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____ are combinations of networking hardware and software that connect two
dissimilar kinds of networks.
a. | Routers | c. | Gateways | b. | Switches | d. | Broadcast
domains |
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Completion
Complete each
statement.
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1.
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A computer’s ____________________ is the circuit, or signaling pathway,
used by the motherboard to transmit data to the computer’s components, including its memory,
processor, hard disk, and NIC.
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2.
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A(n) ____________________ NIC is integrated into the motherboard.
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3.
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A(n) ____________________ is software that enables an attached device to
communicate with the computer’s operating system.
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4.
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On a Linux workstation, a popular utility called ____________________ allows you
to view and change NIC settings.
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5.
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A router that directs data between nodes on an autonomous LAN (or one owned and
operated by a single organization) is known as a(n) ____________________ router.
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Matching
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Match each item with a statement below: a. | PCIe | f. | switch | b. | VLANs | g. | cut-through mode | c. | buffer | h. | store-and-forward mode | d. | repeater | i. | loopback adapter | e. | bridge |
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1.
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Has no means to interpret the data they retransmit.
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2.
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Holds incoming data and accommodates bursts of traffic.
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3.
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Devices that connect two network segments by analyzing incoming frames and
making decisions about where to direct them based on each frame’s MAC address.
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4.
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A switch running in this mode reads the entire data frame into its memory and
checks it for accuracy before transmitting the information.
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5.
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Plugs into a port and crosses over the transmit line to the receive line so
that outgoing signals can be redirected into the computer for testing.
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6.
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A switch running in this mode reads a frame’s header and decides where to
forward the data before it receives the entire packet.
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7.
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Capable of transferring data at up to 1 Gbps per data path.
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8.
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Connectivity device that subdivides a network into smaller logical
pieces.
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9.
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Logically separate networks within networks.
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Short Answer
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1.
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Describe how a computer’s bus can be expanded to include devices other
than those found on the motherboard.
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2.
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When selecting a NIC to install, explain what an administrator should do if a
motherboard supports more than one kind of expansion slot.
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3.
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Define wireless NICS. Include a description of disadvantages associated with
their use.
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4.
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Describe how a bridge translates between two segment types.
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5.
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Explain why network engineers value VLANs. Include a discussion on reasons for
using VLANs.
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6.
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Describe the Routing Information Protocol.
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7.
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Describe a distance-vector routing protocol suited to WANs.
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8.
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Explain hybrid routing protocols. Describe an example.
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9.
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Describe the IS-IS routing protocol.
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10.
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Describe two popular types of gateways.
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