Download - Preguntas ICDN1
-
8/13/2019 Preguntas ICDN1
1/34
What is the first 24 bits in a MAC address called?
A. NIC
B. BIA
C. OUI
D. VAI
Which of the following statements describe the network shown in the graphic? (Choosetwo)
A. There are two broadcast domains in the network.
B. here are fo!r broadcast domains in the network.
C. here are si" broadcast domains in the network.
#. here are fo!r collision domains in the network.
$. here are fi%e collision domains in the network.
F. There are seven collision domains in the network
&efer to the e"hibit'
stem flash director
*ile +ength ,ame-stat!s
/0122 c023%5m6.2.7B
8/01/195 btes !sed:4909992 a%ailable: 0/00510total;
02< btes of processor board stem
flash(&ead-Write)
he technician wants to !pload a new => in the ro!ter while keeping the e"isting =>.
What is the ma"im!m si6e of an => file that co!ld be loaded if the original => is also
kept in flash?
-
8/13/2019 Preguntas ICDN1
2/34
A. /MB
B. 9MB
C. 3MB
D. 4MB
&efer to the e"hibit. What is the meaning of the o!tp!t M 911 btes?
A. he ma"im!m n!mber of btes that can tra%erse this interface per second is 911.
B. he minim!m segment si6e that can tra%erse this interface is 911 btes.
C. he minim!m segment si6e that can tra%erse this interface is 911 btes.
#. he minim!m packet si6e that can tra%erse this interface is 911 btes.
E. The maximum packet size that can traverse this interace is !"## b$tes.
*. he ma"im!m frame si6e that can tra%erse this interface is 911 btes.
A network interface port has collision detection and carrier sensing enabled on a shared
twisted pair network. *rom this statement: what is known abo!t the network interface port?
A. his is a 1 Mb-s switch port.
B. his is a 11 Mb-s switch port.
%. This is an Ethernet port operatin& at hal duplex.
#. his is an $thernet port operating at f!ll d!ple".
$. his is a port on a network interface card in a @C.
-
8/13/2019 Preguntas ICDN1
3/34
&efer to the e"ibit
ost A is sending a packet to host B for the fist time. What destination MAC address will
ost A !se inthe A&@ re!est?
A. !'(.!)*.#.!
B. !+(.!).#."#
%. ##,!+,'4,)!,!*,B#
D. ##,!',d-,(d,c-,b(
E. ,,,,,
F. ("".("".("".(""
What m!st occ!r before a Workstation can $"change @ packets with a web ser%er?
A. A #@ connection m!st be established between the Workstation and its defa!lt
gatewa.
B. A #@ connection m!st be established between the Workstation and the web
ser%er.
%. A T% %onnection must be established between the /orkstation and its
deault 0atewa$.
#. A C@ connection m!st be established between the Workstation and the web ser%er.
$. An =CM@ Connection m!st be established between the Workstation and its defa!lt
atewa.*. An =CM@ connection m!st be established between the Workstation and the web ser%er.
rad!cciDn'
EF!G tiene !e oc!rrir antes de !e !na estaciDn de trabaHo p!ede intercambiar pa!etes
@ con !n ser%idor web?
-
8/13/2019 Preguntas ICDN1
4/34
A. na cone"iDn #@ debe establecerse entre la estaciDn de trabaHo s! p!erta de
enlace predeterminada.
B. na cone"iDn #@ debe establecerse entre la estaciDn de trabaHo la web del
ser%idor.
%. 1na conexi2n T% se debe establecer entre la estaci2n de traba3o $ su puerta deenlace predeterminada.
#. na cone"iDn C@ se debe establecer entre la estaciDn de trabaHo el ser%idor web.
$. na cone"iDn =CM@ debe establecerse entre la estaciDn de trabaHo s! p!erta de
enlace predeterminada.
*. na cone"iDn =CM@ debe establecerse entre la estaciDn de trabaHo el ser%idor web.
At which laer of the >= model does the protocol that pro%ides the information that is
displaed b the show C#@ neighbors command operate?
A. Application.
B. transport.
C. ,etwork.
#. phsical.
E. Data ink
rad!cciDn'
E$n !G capa del modelo >= tiene operar el protocolo !e proporciona la informaciDn
!e se m!estra por los comandos show cdp neighbors ?
A. aplicaciDn
B. ransporte
C. red
#. fIsica
E. enlace de datos
Which >= laer header contains the address of destination host that is on anothernetwork?
A. application.
B. session.
C. transport.
D. network.
$. data link.
*. phsical.
-
8/13/2019 Preguntas ICDN1
5/34
rad!cciDn'
EF!G cabecera de la capa >= contiene la direcciDn del host de destino !e estJ en otra
red?
A. aplicaciDn.
B. sesiDn
C. transporte
D. red.
$. enlace de datos.
*. fIsica.
ow does C@ differ from #@ (Choose wo.)
A. C@ pro%ides best effort deli%er
B. T% provides s$ncronized communication.
C. C@ segments are essentiall datagrams.
D. T% provides se5uence numberin& o packets.
$. C@ !ses broadcast deli%er.
ow does a switch differ from a !b?
A. A switch does not ind!ce an latenc into the frame transfer time.
B. A switch tracks MA% addresses o directlt$,connected devices.
C. A switch operates at a lower: more efficient laer of the >= model.
#. A switch decreases the n!mber of broadcast domains.
$. A switch decreases the n!mber of collision domains
Which three statements are tr!e abo!t the operation of a f!lld!ple" $thernet network?
(choose three)
A. There are no collisions in ull,duplex mode.
B. A dedicated switch port is re5uired or each ull,duplex mode.
C. $thernet h!b ports are preconfig!red for f!lld!ple" mode.
#. =n a f!lld!ple" en%ironment: the host network card m!st check for the a%ailabilit of
the network media before transmiting.
-
8/13/2019 Preguntas ICDN1
6/34
E. The host network card and the switch port must be capable o operatin& in ull,
duplex mode.
rad!cciDn'
EF!G tres afirmaciones son ciertas acerca de la operaciDn de !na red $thernet f!ll
d!ple"? (elige tres)
A. 6o ha$ colisiones en modo ull,duplex.
B. 1n puerto del switch dedicado se re5uiere para cada modo ull,duplex.
C. @!ertos h!b $thernet estJn preconfig!rados para el modo f!lld!ple".
#. $n !n entorno de dKple" completo: la tarHeta de red de acogida debe comprobar la
disponibilidad de los medios de com!nicaciDn de la red antes transmitiendo.
E. a tar3eta de red de host $ el puerto del switch debe ser capaz de uncionar en
modo ull,duplex.
Which two characteristics appl to +aer 2 switches? (choose two.)
A. increases the numbre o collision domains.
B. decreases the n!mbre of collisions domains.
%. implements 7A6.
#. decreases the n!mber of broadcast domains.
$. !ses the =@ address to make decisions for forwarding data packets.
>n a Cisco switch: which protocol determines if an attached Lo=@ phone is from Cisco
or from another %endor?
A. &@.
B. C@.
%. %D.
#. #@.
rad!cciDn'
E$n !n interr!ptor de Cisco: el protocolo !e determina si !n adH!nto de telefonIa Lo=@ es
de Cisco o de otro pro%eedor?
A. &@.
B. C@.
%. %D.
-
8/13/2019 Preguntas ICDN1
7/34
#. #@.
Which protocol !ses a connectionoriented ser%ice to deli%er files between end
sstems?
A. *@.
B. #,.
%. FT.
#. ,M@.
$. &=@.
Which laer of the >= model controls the reliabilit of comm!nications between network
de%ices !sing flow control: se!encing and acknowledgments?A. @hsical.
B. #atalink.
%. Transport.
#. ,etwork.
rad!cciDn'
EF!G capa del modelo >= controla la fiabilidad de las com!nicaciones entre los
dispositi%os de red !e !tili6an el control de fl!Ho: sec!encia ac!ses de recibo?
A. *isica.
B. $nlace de datos.
%. Transporte.
#. &ed.
Which two characteristics describe the Access laer of the hierarchical network design
model? (Choose two.)
A. laer / s!pport.
B. port securit$.
C. red!ndant components.
D. 7A6s.
$. @o$.
-
8/13/2019 Preguntas ICDN1
8/34
rad!cciDn'
EF!G dos caracterIsticas describen la capa de acceso de la Herar!Ia de diseo de red
modelo?
($liHa dos opciones).
A. soporte para capa /
B. port securit$.
C. Componentes red!ndantes
D. 7A6s.
$. @o$.
A network administrator is connecting @C hosts A and B directl thro!gh their $thernet
interfaces as shown in the graphic.@ing attempts between the hosts are !ns!ccessf!l.
What can be done to pro%ide connecti%it between the hosts? (choose two.)
A. A crossover cable should be used in place o the strai&ht.throu&h cable.
B. A rollo%er cable sho!ld be !sed in place of the straightthro!gh cable.
C. he s!bnet masks sho!ld be set to 299.299.299.2.
#. A defa!lt atewa needs to be set on each host.
$. he hosts m!st be reconfig!red to !se pri%ate =@ addresses for direct connections of
this tpe.
F. The subnet mask should be set to ("".("".("".#.
-
8/13/2019 Preguntas ICDN1
9/34
Which address tpe does a switch !se to make selecti%e forwarding decisions?
A. so!rce =@ address.
B. destination =@ address
C. so!rce and destination =@ address
#. so!rce MAC address
E. destination MA% address
rad!cciDn'
EF!G tipo de direcciDn no !tili6a !n witch para hacer selecti%as reen%Io decisiones ?
A. direcciDn =@ de origen
B. destino direcciDn =@
C. direcciDn =@ de origen destino
#. f!ente de direcciones MAC
E. destino MA% direcci2n
What is the p!rpose the flow control?
A. o ens!re data is retransmitted i fan acknowledgement is not recei%ed.
B. o reassemble segments in the correct order at the destination de%ice.
%. To provide a means or the receiver to &overn the amount o data sent b$ the
sender.
#. o reg!late the si6e of each segment.
rad!cciDn'
EC!Jl es el propDsito del control de fl!Ho?
A. para aseg!rar !e los datos se retransmite si no se recibe !n ac!se de recibo
B. re ensamblar los segmentos en el orden correcto en el dispositi%o de destino
%. para proporcionar un medio para 5ue el receptor para &obernar la cantidad de
datos enviados por el remitente
#. para reg!lar el tamao de cada segmento
-
8/13/2019 Preguntas ICDN1
10/34
A switch recei%es a frame on one of its ports. here is no entr in the MAC address
table for the destination MAC address. What will the switch do with the frame?
A. drop the frame
B. orward it out o all ports except the one that received it
C. forward it o!t of all ports
#. store it !ntil it leams the correct port
rad!cciDn'
n witch recibe !n frame en !no de s!s p!ertos. ,o ha ning!na entrada en el abla
de direcciDn MAC para las direcciones de destino MAC. EF!G harJ el interr!ptor con el
frame?
A. eliminar el frame.
B. transmir8 hacia uera de todos los puertos excepto por el 5ue lo recibi2
C. transmita hacia f!era de todos los p!ertos
#. almacenarlo hasta !e aprenda el p!erto correcto
Which two statements describe the operation of the CMA-C# access method?(Choose
two.)
A. =n a CMA-C# collision domain: m!ltiple stations can s!ccessf!ll transmit data
sim!ltaneo!sl
B. 9n a %:MA;%D collision domain< stations must wait until the media is not in use
beore transmitin&.
C. he !se of h!bs to enlarge the si6e of collision domains is one wa to impro%e the
operation of the CMA-C# access method.
#. After a collision: the station that detected the collision has first priorit to resend the
lost data.
E. Ater a collision< all stations run a random backo al&orithm. /hen the backo
dela$ period has expired< all stations have s5ual priorit$ to transmit data.
*. After a collision: all stations in%ol%ed r!n an identical backoff algorithm and thensncroni6e with each other prior to transmitting data.
rad!cciDn'
EF!G dos afirmaciones describen el f!ncionamiento del mGtodo de CMA - C# acceso?
A. $n !n dominio de colisiones CMA - C#: %arias estaciones p!eden transmitir
correctamente datos al mismo tiempo.
-
8/13/2019 Preguntas ICDN1
11/34
B. En un dominio de colisiones %:MA ; %D< las estaciones deben esperar hasta 5ue
el medio no est= en uso antes de la transmisi2n.
C. $l !so de c!bos para agrandar el tamao de los dominios de colisiDn es !na manera
de meHorar el f!ncionamiento del mGtodo de acceso CMA - C#.
#. #esp!Gs de !na colisiDn: la estaciDn !e detectD la colisiDn tiene primera prioridadpara %ol%er a en%iar los datos perdidos.
E. Despu=s de una colisi2n< todas las estaciones deben e3ecutar un al&oritmo de
backo aleatorio. %uando el per>odo de retardo de retroceso ha expirado< todas las
estaciones tienen la misma prioridad para transmitir datos.
*. #esp!Gs de !na colisiDn: todas las estaciones in%ol!cradas eHec!tar !n algoritmo de
postergaciDn idGntica l!ego sincroni6ar entre sI antes de la transmisiDn de datos.
What is the defa!lt ma"im!m n!mber of e!alcost paths that can be placed into the
ro!ting of a Cisco >@* ro!ter?
A. 5
B. 2
C. nlimited
D. 4
rad!cciDn'
EC!Jl es el nKmero mJ"imo predeterminado de la ig!aldad de costo caminos !e se
p!eden colocar en la tabla de enr!tamiento de !n $nr!tamiento >@* Cisco?
A. 5
B. 2
C. =limitado.
D. 4
-
8/13/2019 Preguntas ICDN1
12/34
&efer to the e"hibit.
What two things can the technician determine b s!ccessf!ll pinging from this comp!ter
to the =@ address 32.5.2/5.?(Choose two)
A. The 6etwork card on the computer is unctionin& correctl$.
B. he defa!lt static ro!te on the gatewa ro!ter is correctl config!red.
C. he correct defa!lt gatewa =@ address is config!red on the comp!ter.
D. The device with the 9 address !+(.!).(-).! is reachable over the network.
$. he defa!lt gatewa at 32.5.2/5. is able to forward packets to the internet.
-
8/13/2019 Preguntas ICDN1
13/34
ow man sim!ltaneo!s elnet sessions does a Cisco ro!ter s!pport b defa!lt?
A.
B. 2
C. /
#. 4
E. "
*. 5
What does a host on an $thernet network do when it is creating a frame and it does not
ha%e the destination address?
A. drops the frame
B. sends o!t a laer / broadcast message
C. sends a message to the ro!ter re!esting the address
D. sends out an A? re5uest with the destination 9 address
rad!cciDn'
EF!G hace !n host en !na red $thernet hacer c!ando se estJ creando !n marco no
tiene el destino de direcciDn?
A. descarta la trama
B. en%Ia !na capa / de dif!siDn de mensaHes
C. en%Ia !n mensaHe al enr!tador !e solicita la direcciDn
D. env>a una petici2n A? a la direcci2n 9 de destino
A switch has 40 ports and 4 L+A,. ow man collision and broadcast domains e"its
on the switch(collision: broadcast)?
A. 4: 40
B. 4*< 4
C. 40:
#. : 40
$. 4:
A network administrator is explaining VTP configuration to a new technician. What should the
network administrator tell the new technician about VTP configuration? (Choose three.
-
8/13/2019 Preguntas ICDN1
14/34
!eleccione una o m"s de una#
a. A switch in the VTP client mode cannot update its local V$A% database
b. A switch in the VTP transparent mode will forward updates that it recei&es to other
switches
c. A switch in the VTP ser&er mode can update a switch in the VTP transparent mode
d. A switch in the VTP ser&er mode onl' updates switches in the VTP client mode that ha&e a
higher VTP re&ision number.
e. A trunk link must be configured between the switches to forward VTP updates
f. A switch in the VTP ser&er mode will update switches in the VTP client mode regardless of
the configured VTP domain membership
Which one of the following statements is the media access method that igabit )thernet uses?
!eleccione una#
a. C!*A+C,
b. point-to-point
c. token passing
d. C!*A+CA
ow does replacing a hub with a switch affect C!*A+C, beha&ior in an )thernet network?
!eleccione una#
a. /t effecti&el' eliminates collisions.
b. /n increases the si0e of the collision domain b' allowing more de&ices to be connected at
once.
c. /t decreases the amount of time that a 1am signal must be sent to reach all network de&ices.
d. /t reduces the total amount of bandwidth a&ailable to each de&ice.
A network administrator wants to control which user hosts can access the network based on their
*AC address. What will pre&ent workstations with unauthori0ed *AC addresses from connecting to
the network through a switch?
!eleccione una#
a. 2P,3
b. !TP
c. 4!TP
d. port securit'
-
8/13/2019 Preguntas ICDN1
15/34
Which statement is true about full-duplex )thernet in comparison to half-duplex )thernet?
!eleccione una#
a. 5ull-duplex )thernet uses two wires to send and recei&e. alf-duplex )thernet uses one wire
to send and recei&e.
b. 5ull-duplex )thernet consists of a shared cable segment. alf-duplex )thernet pro&ides apoint-to-point link.
c. 5ull-duplex )thernet uses a loopback circuit to detect collisions. alf-duplex )thernet uses a
1am signal.
d. 5ull-duplex )thernet can pro&ide higher throughput than can half-duplex )thernet of the
same bandwidth.
2efore installing a new6 upgraded &ersion of the /7!6 what should be checked on the router6 and
which command should be used to gather this information? (Choose two.
!eleccione una o m"s de una#
a. the amount of a&ailable flash and 4A* memor'
b. the &ersion of the bootstrap software present on the router
c. show running-config
d. show &ersion
e. the amount of a&ailable 47*
f. show processes
ow is an )3/-89 format interface /, created from a 9:-bit *AC address?
!eleccione una#
a. b' appending ;x55 to the *AC address
b. b' prefixing the *AC address with ;x55))
c. b' prefixing the *AC address with ;x55 and appending ;x55 to it
d. b' prefixing the *AC address with ;x5 and inserting ;x5after each of its first three b'tes
e. b' inserting ;x555) between the upper three b'tes and the lower three b'tes of the *AC
address
4efer to the exhibit. What two results would occur if the hub were to be replaced with a switch that
is configured with one )thernet V$A%? (Choose two.
-
8/13/2019 Preguntas ICDN1
16/34
!eleccione una o m"s de una#
a. The number of broadcast domains would remain the same.
b. The number of broadcast domains would decrease.
c. The number of broadcast domains would increase.
d. The number of collision domains would increase.
e. The number of collision domains would decrease.
f. The number of collision domains would remain the same.
While troubleshooting a network connecti&it' problem6 a technician obser&es stead' link lights on
both the workstation %/C and the switch port to which the workstation is connected. owe&er6 whenthe ping command is issued from the workstation6 the output message
-
8/13/2019 Preguntas ICDN1
17/34
b. 2it6 packet6 frame6 segment
c. 2it6 frame6 packet6 segment
d. !egment6 frame6 packet6 bit
As a frame lea&es a $a'er > de&ice6 the $a'er encapsulation information is changed from what it
was when it entered the de&ice. 5or what two reasons can this happen? (Choose two.
!eleccione una o m"s de una#
a. The WA% encapsulation t'pe has changed.
b. The source and destination hosts are in the same subnet.
c. The data format has changed from analog to digital.
d. The source and destination *AC addresses ha&e changed.
e. The data is mo&ing from @;2A!)-T to @;;2A!)-T
Which two statements are true about the command ip route @B.@8.>.; ...; @D.@8:..9?
(Choose two.
!eleccione una o m"s de una#
a. /t establishes a static route to the @B.@8.>.; network.
b. /t is a route that would be used last if other routes to the same destination exist
c. /t configures the router to send an' traffic for an unknown destination out the interface with
the address @D.@8:..9.
d. /t configures the router to send an' traffic for an unknown destination to the @B.@8.>.;network
e. /t establishes a static route to the @D.@8:..; network
f. /t uses the default administrati&e distance
What functions do routers perform in a network? (Choose two.
!eleccione una o m"s de una#
a. V$A% membership assignment
b. microsegmentation of broadcast domainsc. path selection
d. packet switching
What are two ad&antages of $a'er )thernet switches o&er hubs? (Choose two.
!eleccione una o m"s de una#
-
8/13/2019 Preguntas ICDN1
18/34
a. increasing the maximum length of 3TP cabling between de&ices
b. filtering frames based on *AC addresses
c. decreasing the number of collision domains
d. allowing simultaneous frame transmissions
e. increasing the si0e of broadcast domains
/n the network below6 host PC-A is transferring a file to the 5TP ser&er. Point A represents the
frame as it goes toward router@. What will the $a'er destination address be at this point?
!eleccione una#
a. abcd.@@>.;;9
b. abcd.98.;;>
c. @D.@8:.B.@B
d. @D.@8:.@.@
&efer to the e"hibit. A technician is in%estigating a problem with the network that is shown.
he ro!ter is a 2011 model and all switches are 291 models. hese smptoms ha%e been
obser%ed'
All of the !ser hosts can access the =nternet.
,one of the !ser hosts can access the ser%er located in L+A, .
All of the hosts can ping each other.
What co!ld ca!se these smptoms?
!eleccione una#
a. /nterface !;+; on the 4outer@ is down.
b. Trunking is not enabled on the link between !witch> and !witch@.
c. /nterface 5a@+; on the 4outer@ is down
d. /nterface 5a;+9 on !witch@ is down.
-
8/13/2019 Preguntas ICDN1
19/34
&efer to the e"hibit. he network manager is e%al!ating the efficienc of the c!rrent
network design. &=@%2 is enabled on all +aer / de%ices in the network. What network
de%ices participate in passing traffic from the @C at 1.1..3 to *ile er%er at 1.21..5 in
the order that the will forward traffic from so!rce to destination?
!eleccione una#
a. !witch@6 4outer@6 4outer6 !witch
b. !witch@6 !witch
c. !witch @6 4outer@6 !witch@6 !witch
d. !witch@6 !witch6 4outer6 !witch
Acknowledgements6 se=uencing6 and flow control are characteristics of which 7!/ la'er?
!eleccione una#
a. $a'er B
b. $a'er 8
c. $a'er 9
d. $a'er
e. $a'er
f. $a'er >
&efer to the graphic. ost A has established a connection with the @ ser%er attached
to interface $1 of the "6 ro!ter. Which of the following statements describe the
information contained in protocol data !nits sent from host A to this ser%er? (Choosethree.)
-
8/13/2019 Preguntas ICDN1
20/34
!eleccione una o m"s de una#
a. The destination /P address of a packet will be the /P address of the ); interface of the abc
router.
b. The destination address of a frame will be the *AC address of the TTP ser&er interface.
c. The destination /P address of a packet will be the /P address of the network interface of the
TTP ser&er.
d. The destination address of a frame will be the *AC address of the ); interface of the abc
router.
e. The destination port number in a segment header will ha&e a uni=ue &alue greater than or
e=ual to @;>.
f. The destination port number in a segment header will ha&e a &alue of :;.
What are two benefits of using VTP in a switching en&ironment? (Choose two.
!eleccione una o m"s de una#
a. /t allows switches to read frame tags
b. /t allows ports to be assigned to V$A%s automaticall'
c. /t allows frames from multiple V$A%s to use a single interface
d. /t maintains V$A% consistenc' across a switched network
-
8/13/2019 Preguntas ICDN1
21/34
e. /t allows V$A% information to be automaticall' propagated throughout the switching
en&ironment
A recei&ing host computes the checksum on a frame and determines that the frame is damaged.
The frame is then discarded. At which 7!/ la'er did this happen?
!eleccione una#
a. ph'sical
b. transport
c. data link
d. network
e. session
&efer to the e"hibit. Which two statements are tr!e abo!t interL+A, ro!ting in thetopolog that is shown in the e"hibit? (Choose two.
!eleccione una o m"s de una#
a. The 5ast)thernet ;+; interface on 4outer@ must be configured with subinterfaces
b. 4outer@ will not pla' a role in communications between host A and host ,
c. 4outer@ needs more $A% interfaces to accommodate the V$A%s that are shown in the
exhibit.
d. ost ) and host 5 use the same /P gatewa' address.
e. 4outer@ and !witch should be connected &ia a crosso&er cable.
f. The 5ast)thernet ;+; interface on 4outer@ and !witch trunk ports must be configured using
the same encapsulation t'pe
What are two reasons a network administrator would use C,P? (Choose two.
!eleccione una o m"s de una#
a. to &erif' the t'pe of cable interconnecting two de&ices
b. to determine the status of network ser&ices on a remote de&ice
c. to obtain V$A% information from directl' connected switches
d. to determine the status of the routing protocols between directl' connected routers
e. to &erif' $a'er connecti&it' between two de&ices when $a'er > fails
f. to obtain the /P address of a connected de&ice in order to telnet to the de&ice
&efer to the e"hibit. Which two statements are tr!e abo!t the loopback address that is
config!red on &o!terB? (Choose two.)
-
8/13/2019 Preguntas ICDN1
22/34
!eleccione una o m"s de una#
a. /t decreases the metric for routes that are ad&ertised from 4outer2.
b. /t pro&ides stabilit' for the 7!P5 process on 4outer2
c. /t ensures that data will be forwarded b' 4outer2
d. /t indicates that 4outer2 should be elected the ,4 for the $A%.
e. /t specifies that the router /, for 4outer2 should be @;.;.;.@
Which of the following is true regarding the use of switches and hubs for network connecti&it'?
!eleccione una#
a. !witches increase the number of collision domains in the network
b. !witches do not forward broadcasts
c. !witches take less time to process frames than hubs take
d. 3sing hubs can increase the amount of bandwidth a&ailable to hosts
e. ubs can filter frames
What is one reason that WPA encr'ption is preferred o&er W)P?
!eleccione una#
a. AWPA ke' is longer and re=uires more special characters than the W)P ke'.
b. WPA ke' &alues remain the same until the client configuration is changed.
c. The access point and the client are manuall' configured with different WPA ke' &alues.
-
8/13/2019 Preguntas ICDN1
23/34
d. The &alues of WPA ke's can change d'namicall' while the s'stem is used.
As a CC%A candidate6 'ou need to know 7!/ model &er' well6 a packet is the protocol data unit for
which la'er of the 7!/ model?
!eleccione una#
a. data link
b. presentation
c. session
d. network
ow man' hosts and submasks in @B.@8.;.;+> subnetted +B
!eleccione una#
a. : subnet > hosts
b. @8 subnet >; hosts
c. : subnet >@ hosts
d. @8 subnet > hosts
&efer to the e"hibit. A network administrator attempts to ping ost2 from ost and
recei%es the res!lts that are shown. What is a possible problem?
!eleccione una#
a. The link between 4outer@ and 4outer is down.
b. The default gatewa' on ost@ is incorrect.
c. The link between ost@ and !witch@ is down.
d. The link between !witch@ and 4outer@ is down.
e. /nterface 5a;+; on 4outer@ is shutdown.
f. TCP+/P is not functioning on ost@
When comparing and contrasting the similarities and differences between bridges and switches6
which of the following are &alid statements? (Choose two
!eleccione una o m"s de una#
a. A switch is a multiport bridge
b. 2ridges are faster than switches because the' ha&e fewer ports.
c. 2ridges and switches learn *AC addresses b' examining the source *AC address of each
frame recei&ed
-
8/13/2019 Preguntas ICDN1
24/34
d. 2ridges and switches increase the si0e of a collision domain.
Which destination addresses will be !sed b ost A to send data to ost C? (Choose
two.)
!eleccione una o m"s de una#
a. the /P address of the routerEs ); interface
b. the *AC address of the routerEs ); interface
c. the /P address of !witch @
d. the *AC address of ost C
e. the *AC address of !witch @
f. the /P address of ost C
&efer to the e"hibit. he access list has been config!red on the 1-1 interface of ro!ter
&B in the o!tbo!nd direction. Which two packets: if ro!ted to the interface: will be
denied? (Choose two)
-
8/13/2019 Preguntas ICDN1
25/34
access-list @;@ den' tcp @D.@8:.@.> ;.;.;.@ an' e= telnet
access-list @;@ permit ip an' an'
!eleccione una o m"s de una#
a. source ip address# @D.@8:[email protected] destination port# @
b. source ip address#6 @D.@8:.@.>B destination port# @
c. source ip address#6 @D.@8:[email protected]@ destination port# @
d. source ip address# @D.@8:[email protected] destination port# >
e. source ip address#6 @D.@8:.@.>8 destination port# >
f. source ip address#6 @D.@8:[email protected] destination port# >
Which two &alues are used b' !panning Tree Protocol to elect a root bridge? (Choose two.
!eleccione una o m"s de una#
a. /7! &ersion
b. /P address
c. speed of the links
d. amount of 4A*
e. bridge priorit'
f. *AC address
&efer to the e"hibit. he ro!ter has been config!red with these commands' hostnameatewa
interface *ast$thernet 1-1
ip address 0.//.2.4 299.299.299.240
no sh!tdown
interface *ast$thernet 1-
-
8/13/2019 Preguntas ICDN1
26/34
ip address 2.50.1.294 299.299.299.1
no sh!tdown
interface erial 1-1
ip address 54.11.1.2 299.299.299.292
no sh!tdown
ip ro!te 1.1.1.1 1.1.1.1 54.11.1.
What are the two res!lts of this config!ration? (Choose two.)
!eleccione una o m"s de una#
a. osts on the $A% that is connected to 5ast)thernet ;+@ will not be able to access the
/nternet without address translation.
b. The address of the subnet segment with the WWW ser&er will support se&en more ser&ers.
c. The default route should ha&e a next hop address of 89.@;;.;.>.
d. osts on the $A% that is connected to 5ast)thernet ;+@ are using public /P addressing
e. The addressing scheme allows users on the /nternet to access the WWW ser&er
-
8/13/2019 Preguntas ICDN1
27/34
As a teacher in Cisco academe6 'ou need to describe the &arious t'pes of flow control to 'our
students. Which of the following are t'pes of flow control that can be used in a network? (Choose
three
!eleccione una o m"s de una#
a. buffering
b. load balancing
c. windowing
d. congestion a&oidance
What does a $a'er switch use to decide where to forward a recei&ed frame?
!eleccione una#
a. destination *AC address
b. destination /P address
c. source switch port
d. destination port address
Which of the following statements are true regarding bridges and switches? (Choose Three.
!eleccione una o m"s de una#
a. 2oth bridges and switches make forwarding decisions based on $a'er addresses.
b. 2ridges define broadcast domains while switches define collision domains
c. 2ridges are fre=uentl' faster than switches.
d. 2oth bridges and switches forward $a'er broadcasts.
e. !witches are primaril' software based while bridges are hardware based.
f. !witches ha&e a higher number of ports than most bridges.
g. 2oth bridges and switches make forwarding decisions based on $a'er addresses
A network administrator is tro!bleshooting the >@* config!ration of ro!ters & and &2.
he ro!ters cannot establish an adHacenc relationship on their common $thernet link. he
graphic shows the o!tp!t of the show ip ospf interface e1 command for ro!ters & and &2.
Based on the information in the graphic: what is the ca!se of this problem?
-
8/13/2019 Preguntas ICDN1
28/34
!eleccione una#
a. The cost on 4@ should be set higher.
b. The 7!P5 area is not configured properl'
c. The 7!P5 process /, numbers must match.
d. The hello and dead timers are not configured properl'.
e. A backup designated router needs to be added to the network.
f. The priorit' on 4@ should be set higher.
&efer to the e"hibit. he two connected ports on the witch/ are not t!rning orange or
green. What wo!ld be the most effecti%e steps to tro!bleshoot this phsical laer problem?
(Choose three.)
!eleccione una o m"s de una#
a. 4eseat all cables.
b. )nsure the !witch> has power.
c. )nsure that the )thernet encapsulations match on the interconnected 4outer and !witch>
ports.
d. )nsure that cables A and 2 are straight-through cables.
As a network administrator6 'ou will need to decide on the appropriate network de&ices to use.
Which of the following correctl' describes the roles of de&ices in a WA%? (Choose three
!eleccione una o m"s de una#
a. A modem terminates a digital local loop.
b. A modem terminates an analog local loop
c. A C!3+,!3 terminates a digital local loop.
d. A router is commonl' considered a ,T) de&ice
-
8/13/2019 Preguntas ICDN1
29/34
e. A C!3+,!3 terminates an analog local loop
As a CC%A candidate6 'ou will be expected to know the 7!/ model &er' well. Acknowledgements6
se=uencing6 and flow control are characteristics of which 7!/ la'er?
!eleccione una#
a. $a'er >
b. $a'er
c. $a'er 8
d. $a'er 9
e. $a'er
f. $a'er B
When !pgrading the => image: the network administrator recei%es the e"hibited error
message. What co!ld be the ca!se of this error?
!eleccione una#
a. The new /7! image is too large for the router flash memor'.
b. The T5TP ser&er is unreachable from the router.
c. The new /7! image is not correct for this router platform.
d. There is not enough disk space on the T5TP ser&er for the /7! image.
e. The /7! image on the T5TP ser&er is corrupt.
Both witches and !bs are !sed in the network: please st!d the e"hibit caref!ll: how
man broadcast domains are shown in the graphic ass!ming onl the defa!lt L+A, is
config!red on the switches?
-
8/13/2019 Preguntas ICDN1
30/34
-
8/13/2019 Preguntas ICDN1
31/34
d. There are se&en collision domains in the network.
e. There are two broadcast domains in the network.
f. There are six broadcast domains in the network.
Which of the following ser&ices use 3,P? (Choose three.
!eleccione una o m"s de una#
a. !%*P
b. ,%!
c. Telnet
d. T5TP
A C@-=@ transfer is diagrammed in the e"hibit.
A window si0e of three has been negotiated for this transfer. Which message will be returned from
the recei&er to the sender as part of this TCP+/P transfer?
!eleccione una#
a. send ACG 9-8
b. send ACG >
c. send ACG 9
d. send ACG @->
-
8/13/2019 Preguntas ICDN1
32/34
&efer to the e"hibit. W and W2 ha%e defa!lt config!rations. What will happen if host
sends a broadcast?
!eleccione una#
a. osts @6 6 >6 and 9 will recei&e the broadcast.
b. osts 6 >6 96 and interfaces 5a;+; and 5a;+@ of 4@ will recei&e the broadcast.
c. osts @6 6 >6 9 and interface 5a;+; of 4@ will recei&e the broadcast.
d. osts 6 >6 and 9 will recei&e the broadcast.
e. ost and the 5a;+; interface of 4@ will recei&e the broadcast.
f. osts @6 and the 5a;+; interface of 4@ will recei&e the broadcast.
/t is known that the 7!/ model has se&en la'ers. Can 'ou tell me at which la'ers of the 7!/ model
WA%s operate? (Choose two.
!eleccione una o m"s de una#
a. ph'sical la'er
b. datalink la'er
c. session la'er
d. transport la'er
No! work as a network technician. @lease st!d the e"hibit caref!ll. ost @CA has been
added to the network. Which tpe of cable sho!ld be !sed between witc2h and host @C
A?
-
8/13/2019 Preguntas ICDN1
33/34
!eleccione una#
a. rollo&er cable
b. straight-through cable
c. crosso&er cable
d. console cable
he network administrator is connecting @C hosts A and B directl thro!gh their $thernet
interfaces as shown in the graphic. @ing attempts between the hosts are !ns!ccessf!l.
What can be done to pro%ide connecti%it between the hosts? (Choose two.)
!eleccione una o m"s de una#
a. The subnet masks should be set to ...;.
b. The hosts must be reconfigured to use pri&ate /P addresses for direct connections of this
t'pe.
-
8/13/2019 Preguntas ICDN1
34/34
c. A default gatewa' needs to be set on each host.
d. A crosso&er cable should be used in place of the straight-through cable.