True/False
Indicate whether the
statement is true or false.
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1.
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Physical path loops help improve a network’s fault tolerance; if one path
fails, another is available.
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2.
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RSTP isn’t backward-compatible to 802.1d, so you cannot take advantage of
its additional features unless it is running throughout your network.
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3.
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A VLAN may affect layer 3 logical addressing.
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4.
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VLANs can be configured by network administrators to allow membership only for
certain devices.
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5.
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You can configure a name for each port on a switch.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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6.
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The specification for STP is IEEE ____.
a. | 802.1d | c. | 802.1p | b. | 802.1e | d. | 802.1q |
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7.
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Bridges use STP to transfer the information about each bridge’s MAC
address and priority number. The messages the devices send to one another are called ____.
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8.
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The BPDU messages are sent between the root bridge and the best ports on the
other devices, which are called ____.
a. | bridge ports | c. | BDU ports | b. | root ports | d. | CBDPU ports |
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9.
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During the ____ state, STP devices are configured to receive only the BPDUs that
inform them of network status.
a. | learning | c. | forwarding | b. | blocking | d. | listening |
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10.
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By default, every port on a switch is in VLAN 1. This is the ____ VLAN.
a. | root | c. | management | b. | domain | d. | switch |
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11.
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____ VLANs are configured port-by-port, with each port being associated with a
particular VLAN.
a. | Dynamic | c. | virtual | b. | physical | d. | Static |
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12.
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____ VLAN ports can automatically determine their VLAN configuration.
a. | Static | c. | Physical | b. | Dynamic | d. | Virtual |
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13.
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The ____ VLAN uses a software database of MAC address-to-VLAN mappings that is
created manually.
a. | dynamic | c. | static | b. | virtual | d. | physical |
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14.
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The IEEE 802.1q specification that defines VLANs recommends frame ____ (also
known as frame identification).
a. | filtering | c. | switching | b. | routing | d. | tagging |
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15.
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The two most common types of frame tagging (encapsulation) are 802.1q and ____
protocol.
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16.
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You can use the ____ command to gather information about a specific VLAN
(instead of listing all VLANs).
a. | cfg vlan [#]
-status | c. | sw vlan [#] | b. | show vlan
[#] | d. | vlan member
[#] |
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17.
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____ links are switch-to-switch or switch-to-router links that can carry traffic
from multiple VLANs.
a. | Static | c. | Trunk | b. | Dynamic | d. | Access |
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18.
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____ links are links to non-VLAN-aware devices such as hubs and individual
workstations.
a. | Access | c. | Dynamic | b. | Trunk | d. | Static |
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19.
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____ is a layer 2 messaging protocol that manages all the changes to the VLANs
across networks.
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20.
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Switches default to VTP ____ mode, which means that they can add, rename, and
delete VLANs and propagate those changes to the rest of the VTP devices.
a. | client | c. | transparent | b. | server | d. | forwarding |
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21.
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When a device is placed in VTP ____ mode, it is not allowed to make changes to
the VLAN structure, but it can receive, interpret, and propagate changes.
a. | transparent | c. | server | b. | forwarding | d. | client |
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22.
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VTP ____ mode means that a device is not participating in VTP communications,
other than to forward that information through its configured trunk links.
a. | forwarding | c. | transparent | b. | server | d. | client |
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23.
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The VTP ____ option reduces the number of VTP updates that traverse a
link.
a. | transparent | c. | server | b. | client | d. | pruning |
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24.
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Routers can implement ____, which increase inter-VLAN security.
a. | pruning | c. | trunking | b. | access lists | d. | ILS |
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25.
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____ is the process of using either ISL or 802.1q to allow multiple VLAN traffic
on the same link.
a. | Trunking | c. | Forwarding | b. | Access list | d. | Pruning |
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26.
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____ means the process of pushing all the inter-VLAN traffic out a single switch
port to the router and then having the traffic routed back to the same switch port to the destination
VLAN.
a. | Pruning | c. | Framing | b. | Trunking | d. | Router-on-a-stick |
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Completion
Complete each
statement.
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27.
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A(n) ____________________ is a physical connection created when network devices
are connected to one another by two or more physical media links.
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28.
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STP uses the ______________________________ to interrupt the logical loop
created by a physical loop in a bridged/switched environment.
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29.
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_________________________ operates on VLANs and treats all VLANs connected as
separate physical networks.
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30.
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A(n) _________________________ is a grouping of network devices that is not
restricted to a physical segment or switch.
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31.
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Before VLAN was an IEEE standard, early implementations depended on the switch
vendor and on a method known as ____________________.
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Matching
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Match each item with a statement below: a. | STP | f. | Frame filtering | b. | Stable
states | g. | Frame
tagging | c. | Transitory states | h. | LAN emulation | d. | RSTP | i. | VLAN trunking protocol | e. | Broadcast
domain |
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32.
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involves adding a four-byte field to the actual Ethernet frame to identify the
VLAN and other pertinent information
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33.
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prevent logical loops during a period of transition from one root bridge to
another
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34.
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manage all of the configured VLANs that traverse trunks between
switches
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35.
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a group of network devices that will receive LAN broadcast traffic from each
other
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36.
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a type of frame tagging
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37.
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a complex process that involved one table for each VLAN and a master table that
was shared by all VLANs
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38.
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a layer 2 link management protocol designed to prevent looping on bridges and
switches
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39.
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the normal operating states of ports when the root bridge is available and all
paths are functioning as expected
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40.
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an IEEE standard governed as 802.1w
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Short Answer
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41.
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What are the STP ports stable states?
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42.
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What are the STP ports transitory states?
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43.
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How do ports on STP-enabled devices move through the different states?
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44.
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Briefly describe the spanning tree portfast STP feature.
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45.
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What are some of the benefits provided by VLANs?
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46.
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Compare dynamic vs. static VLANs.
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47.
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Describe the two most common types of frame tagging.
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48.
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What are the states for a trunk link?
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49.
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Briefly describe the VTP device modes.
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50.
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Describe some of the considerations when implementing hubs on a network with
VLANs.
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