Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Generally speaking, a switch does not require an IP address, because switches
operate mainly on Layer 2 (____ addresses).
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2.
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A ____ operates at layer 3 of the OSI reference model. It interprets the Network
layer protocol and makes forwarding decisions based on the layer 3 address.
a. | switch | c. | router | b. | bridge | d. | hub |
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3.
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If you create and apply the lists and they have the intended results, you can
cancel the scheduled reload with the ____ command.
a. | reload cancel | c. | reload
0 | b. | reload off | d. | reload
abort |
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4.
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____ links are switch-to-switch or switch-to-router links that can carry traffic
from multiple VLANs.
a. | Static | c. | Access | b. | Trunk | d. | Dynamic |
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5.
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PPP is an Internet standard protocol defined in RFCs 2153 and ____.
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6.
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SDM allows you to easily create a standard or an extended access list or, as it
is known in the SDM, a(n) ____.
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7.
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A(n) ____ implementation prevents routing update information received on one
physical interface from being rebroadcast to other devices through that same physical
interface.
a. | keepalive | c. | split horizon | b. | SDLC | d. | PVC |
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8.
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During the ____ state, STP devices are configured to receive only the BPDUs that
inform them of network status.
a. | listening | c. | forwarding | b. | blocking | d. | learning |
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9.
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To view which interfaces have IP access lists set, use the ____ command.
a. | show ip interface | c. | show ip
out | b. | show ip in | d. | show ip
any |
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10.
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Cisco uses the term ____ to refer to the process by which a switch learns
addresses on its own.
a. | sticky memory | c. | ipg learn | b. | sticky learn | d. | switch learn |
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11.
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With ____ memory buffering, any port can store frames in the shared memory
buffer.
a. | content-addressable | c. | port-based | b. | exclusive | d. | shared |
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12.
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Regarding extended IP access lists, the ____ keyword is short for a wildcard
mask of 0.0.0.0.
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13.
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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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14.
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The IEEE 802.1q specification that defines VLANs recommends frame ____ (also
known as frame identification).
a. | filtering | c. | tagging | b. | switching | d. | routing |
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15.
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The ____ is the most expensive Frame Relay topology to implement because each
router has a direct connection to every other router.
a. | full mesh | c. | partial mesh | b. | peer | d. | star |
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16.
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____ VLAN ports can automatically determine their VLAN configuration.
a. | Physical | c. | Static | b. | Dynamic | d. | Virtual |
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17.
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The most common show commands for monitoring Frame
Relay operation are show interface, ____, show
frame-relay map, and show frame-relay lmi.
a. | show frame-relay status | c. | show interface
lmi | b. | show frame-relay pvc | d. | show frame
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18.
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When making changes, you must remove the access list, using the ____
command.
a. | access-list [list number] no | b. | off access-list [list number] | c. | no access-list [list number] | d. | access-list off [list number] |
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19.
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To name an extended IP access list, use the following syntax:
____.
a. | ip access-list extended
[name] | b. | ip access-list named
[name] | c. | named-access-list extended
[name] | d. | extended ip
named-access-list [name] |
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20.
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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. | client | c. | server | b. | transparent | d. | forwarding |
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21.
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The ____ command associates the DLCI numbers with a specific
subinterface.
a. | frame-relay dlci number | b. | frame-relay interface-number | c. | frame-relay
interface-dlci | d. | interface-dlci
number |
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22.
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The Frame Relay switch is also called the ____.
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23.
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Frame Relay separates each data stream into logical (software-maintained)
connections called ____.
a. | physical circuits | c. | virtual circuits | b. | logical circuits | d. | connection
circuits |
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24.
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In a production environment, you can use the ____ command from interface
configuration mode, which will automatically shut down that interface when looping is
detected.
a. | down-when-looped | c. | looped off | b. | off-looped-interface | d. | off-when-lopped |
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25.
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The VTP ____ option reduces the number of VTP updates that traverse a
link.
a. | server | c. | client | b. | transparent | d. | pruning |
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26.
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A bridge maintains a ____ that maps the MAC addresses on each segment to the
corresponding port on the bridge to which each segment is connected.
a. | bandwidth table | c. | bridging table | b. | multicast table | d. | map table |
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27.
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Switches that use ____ forwarding start sending a frame immediately after
reading the destination MAC address into their buffers.
a. | store-and-forward | c. | cut-through | b. | fragment-free | d. | adaptive cut-through
forwarding |
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28.
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A(n) ____ is the physical area in which a packet collision might occur.
a. | jam domain | c. | backoff domain | b. | collision domain | d. | IPG domain |
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29.
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You must use the ____ command to save the list after configuration if you want
it to survive a router reload.
a. | copy run reload | c. | copy run
start | b. | copy reload | d. | copy start
on |
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30.
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Use the ____ command to remove the application of the list.
a. | no ip [accessgroup][list
#][direction] | b. | no ip access-group
[list #][direction] | c. | no accessgroup
[ip][list #][direction] | d. | no ip access-list [list
#][direction] |
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31.
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You can check your Frame Relay configuration by using ____ commands.
a. | dlci-interface | c. | check | b. | show | d. | status |
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32.
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To remove an extended IP access list from an interface, you enter interface
configuration mode and use the ____ command.
a. | extended no ip access-group [list #]
[in|out] | b. | no ip ext access-group
[list #] [in|out] | c. | no ext access-group
[list #] [in|out] | d. | no ip access-group
[list #] [in|out] |
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33.
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When the sum of the data arriving over all virtual circuits exceeds the access
rate, the situation is called ____.
a. | oversubscription | c. | underrate | b. | undersubscription | d. | overrate |
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34.
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Once you have completed configuring your PPP interface, you can verify the
changes using the ____ command.
a. | show interface | c. | show link | b. | show ppp | d. | show connection |
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35.
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To name a standard IP access list, use the following syntax: ____.
a. | ip access-list named [name] | b. | named access-list standard [name] | c. | ip named-access-list [name] | d. | ip access-list standard [name] |
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36.
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To apply the inbound access list 1 to an interface, you use the following
command: ____.
a. | ip access-group 1 in | c. | ip access-group
1 out | b. | ip access-group 1 ext | d. | ip access-group 1
int |
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37.
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You can use the ____ command to gather information about a specific VLAN
(instead of listing all VLANs).
a. | show vlan [#] | c. | sw vlan [#] | b. | vlan member
[#] | d. | cfg vlan
[#] -status |
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38.
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The following command sets an outbound access list filter: ____.
a. | ip access-group 1 out | c. | ip access-group
1 in | b. | ip access-group 1 int | d. | ip access-group 1
ext |
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39.
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The two most common types of frame tagging (encapsulation) are 802.1q and ____
protocol.
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40.
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____ links are links to non-VLAN-aware devices such as hubs and individual
workstations.
a. | Trunk | c. | Static | b. | Dynamic | d. | Access |
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41.
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The ____ is the most popular Frame Relay topology.
a. | star | c. | peer | b. | full mesh | d. | partial mesh |
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42.
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To view the configuration of a port, use the ____
command.
a. | display | c. | port | b. | interface | d. | show |
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43.
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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. | server | c. | transparent | b. | client | d. | forwarding |
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44.
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In ____ memory buffering, each port has a certain amount of memory that it can
use to store frames.
a. | exclusive | c. | port-based | b. | content-addressable | d. | shared |
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45.
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____ represents an effort to provide more error-reducing benefits than
cut-through switching, while keeping latency lower than does store-and-forward switching.
a. | Adaptive cut-through forwarding | c. | Adaptive fast
forwarding | b. | Fast forwarding | d. | Fragment-free forwarding |
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46.
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____ VLANs are configured port-by-port, with each port being associated with a
particular VLAN.
a. | physical | c. | Static | b. | Dynamic | d. | virtual |
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47.
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____ specifies that all collisions should be detected from anywhere in a network
in less time than is required to place a 64-byte frame on the network.
a. | Latency | c. | Transmission time | b. | Bit time | d. | Slot time |
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48.
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____ is a communications technique for sending data over high-speed digital
connections operating at anywhere from 56 Kbps to 44.736 Mbps or higher.
a. | PPP | c. | DLCI | b. | Slip | d. | Frame Relay |
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49.
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To apply a standard IP named list to an interface, use the following syntax:
____.
a. | ip access-group [name] [in |
out] | b. | ip apply access-group [name] [in |
out] | c. | ip standard-group [name] [in |
out] | d. | ip standard access-group [name] [in |
out] |
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50.
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LMI uses ____ packets (sent every 10 seconds by default) to verify the Frame
Relay link and to ensure the flow of data.
a. | discover | c. | hello | b. | beam | d. | keepalive |
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51.
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The configuration of a(n) ____ is the main difference between the Basic and
Advance firewall wizards.
a. | NAT server | c. | intranet | b. | DMZ | d. | proxy server |
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52.
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In Frame Relay, to configure a multipoint subinterface, you map it to multiple
remote routers using the same subnet mask, but different ____ numbers.
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53.
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Two types of operating systems are in use on Cisco switches: IOS-based and
____.
a. | terminal-based | c. | set-based | b. | prompt-based | d. | command-based |
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54.
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The ____ VLAN uses a software database of MAC address-to-VLAN mappings that is
created manually.
a. | dynamic | c. | physical | b. | virtual | d. | static |
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55.
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____ provides a GUI-based configuration tool for Cisco devices.
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56.
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____ is a layer 2 messaging protocol that manages all the changes to the VLANs
across networks.
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57.
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____ checks the reliability of the link by monitoring the number of errors,
latency between requests, connection retries, and connection failures on the PPP link.
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58.
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To view the access lists defined on your router, use the ____ command.
a. | display access-lists | c. | show
lists | b. | show access-lists | d. | access-lists
show |
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59.
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By default, every port on a switch is in VLAN 1. This is the ____ VLAN.
a. | domain | c. | root | b. | switch | d. | management |
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60.
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Fragment-free switches are also known as ____ switches.
a. | modified cut-through | c. | fast forwarding | b. | cut-through | d. | error sensing |
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True/False
Indicate whether the
statement is true or false.
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61.
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You can remove individual lines in an access list.
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62.
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Routers, switches, bridges, and gateways segment networks and thus create
separate collision domains.
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63.
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A VLAN may affect layer 3 logical addressing.
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64.
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Compared with PAP, CHAP provides a much more simple authentication
process.
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65.
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You can configure a name for each port on a switch.
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66.
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Smart network engineers pay close attention to network traffic flow and security
when they design and manage their networks.
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67.
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When a segment has too much broadcast traffic, utilization increases and network
performance in general benefits.
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68.
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Using authentication with PPP connections is mandatory.
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69.
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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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70.
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The main difference between a switch and a bridge is that the switch typically
connects multiple stations individually, thereby segmenting a LAN into multiple collision
domains.
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71.
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VLANs can be configured by network administrators to allow membership only for
certain devices.
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72.
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The benefit of multilink is that you can combine the bandwidth of two separate
devices over one logical connection.
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73.
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You cannot actually configure a router until you get to enable mode.
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74.
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The Frame Relay map can be built automatically or statically depending on the
Frame Relay topology.
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75.
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With careful planning, you can create access lists that control which traffic
crosses particular links, and which segments of your network will have access to others.
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76.
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Access lists begin working the second they are applied to an interface.
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77.
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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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78.
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IEEE 802.3u specifies two types of repeaters: Class I and Class II. Class II
repeaters have higher latency than Class I repeaters.
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79.
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Asynchronous serial connections are typically used with analog modems.
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80.
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Access lists can take the place of more advanced security measures, such as
firewalls.
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