ccna final exam 3.1

8/10/2019 ccna final exam 3.1

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Which element of the hierarchical design model provides a connection point for end-user devices to thenetwork?

core layer

edge device

access layer******

enterprise edge

distribution layer

2

Refer to the exhibit. A network administrator wishes to deny nternet access to all R! "A# hosts$ while allowing

these hosts to reach all other devices on the company networks. Where should the A%" shown in the exhibit be placed to meet these re&uirements?R!' (a) ) inbound

R+' ,) + ) outbound*****

R+' ,) ) + inbound

R!' ,) ) + outbound

R!' (a) ) outbound

3 Which network statement would include the + !.!). /.) +0 network in the 1,2( routing process?Router3config-router45 network 172.20.64.0 0.0.0.31 area 0Router3config-router45 network 172.20.64.0 0.0.0.63 area 0

Router3config-router45 network 172.20.64.0 0.0.15.255 area 0

Router3config-router45 network 172.20.64.0 0.0.31.255 area 0

4
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Refer to the exhibit. A packet with a destination 2 address of +0!.+ 6.+.!! has entered router R+. 7ow will this packet be routed?

t will be dropped.

t will be routed out interface ,erial) ) +.

t will be routed out interface ,erial) ) ).

t will be routed out interface (ast8thernet) ).

5

Refer to the exhibit. Which 2 address can be assigned to the (a) ) interface of R+ to enable host A to accesshost 9?

+0!.+ 6.+.:! !

+0!.+ 6.+. / !

+0!.+ 6.+.+! ! *****
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+0!.+ 6.+.+!0 !

6What are two WA# protocols that define parameters for data encapsulation? 3%hoose two.4222****

;.:"%*******

8 A A-!:!

7

Refer to the exhibit. A network administrator enters the command ip route 10.10.4.16 255.255.255.248 s0/0/1into the router. What will be the result of this configuration?

A static route pointing to +).+)./.+ !0 is placed into the routing table.********A static route to +).+)./.+ !0 is placed into the routing table if interface (ast8thernet) + goes down.A static route pointing to +).+)./.+ !0 is only placed into the routing table if the route to +).+)./.) isremoved.A static route is not placed into the routing table because a R 2 route that includes the destination networkalready exists.

8

Refer to the exhibit. A router has learned the six routes that are shown in the exhibit. Which two routes will beinstalled in the routing table? 3%hoose two.4

+
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!*****

:

/

s of the two routers do not match.

he process >s of the two routers do not match.

he 7ello and >ead timers of the routers do not match.

he 1,2( backbone area is configured on both routers.he serial interfaces of the two routers are in different subnets.

10
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Refer to the exhibit. Which two statements are true about the output that is shown? 3%hoose two.4he feasible distance to network + !.!).!.) is !+ !/+ .******

he reported distance to network + !.!)./.) is !+ !/+ .

,erial ) ) + represents the next hop interface for network + !.!)./.).

wo routes in the routing table would be used to load-balance traffic to network + !.!).:.).

he letter 2 represents that the algorithm is calculating and the routes are not in use.

11 What are three correct host addresses in the + !.+ .).) + network? 3%hoose three.4

+ !.+ .).!


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Refer to the exhibit. Which ; 2 function will this switch perform?t will create$ change$ and delete ;"A#s.

t will send ; 2 messages to other attached switches.******

t will ignore information that is contained in the ; 2 message.

t will retain its original database when it receives updates from the server.

13 Which component of the %isco 8nterprise Architecture is responsible for extending enterprise services toremote sites?

campus core

enterprise edge******

building access

enterprise campus

14

Refer to the exhibit. Which route will be added to the routing table of R+ as a result of running the commandsdisplayed?

> +0!.+ 6.).) !/ is a summary$ #ull)

> +0!.+ 6.).) !! is a summary$ #ull)******

> +0!.+ 6.).) !/ 0) !):)+)B via +).+.+.!$ ))'))'+)$ ,erial) ) )

> +0!.+ 6.).) !! 0) !):)+)B via +).+.+.!$ ))'))'+)$ ,erial) ) )

15 While using the %lass A addressing scheme$ a network administrator decides to use the !


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Refer to the exhibit. he network is using 1,2( as the routing protocol. A network administrator issues thes!ow ip osp& nei$!#or command to check the status of operation. Which statement is true?

R9 has the lowest priority value.

R% and R> have the lowest router >s on the network.

RA has established ad@acencies with all neighbor routers. ******

RA and R9 can not form an ad@acency because they are stuck in the !-way state.

23A (rame Relay service provider is reviewing a contract with a potential customer. Which term would be usedwhen referencing the minimum guaranteed bandwidth that is provided on each virtual circuit?

8 R

% R******

c

9c

>8

24


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Refer to the exhibit. Assuming that all three routers are configured with the 8 GR2 routing protocol and sharinginformation$ what information can be gathered from the show command output?

Router 9 has 8 GR2 ad@acencies with both router A and %.

Router 9 has a fully converged topology table.

Router 9 has not formed an ad@acency with router A.

Router 9 has not formed an ad@acency with router %.*******

25

Refer to the exhibit. nternet access is crucial for the company network shown. nternet access is provided by two,2s. ,2+ is the primary provider and ,2! is the backup provider. he network administrator configures 9orderR as the border router so that in normal operations$ all nternet traffic goes through ,2+. 7owever$ if the link to


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,2+ fails$ then 9orderR will automatically forward nternet traffic to ,2!. he administrator configures twodefault routes'

9orderR3config45 ip route 0.0.0.0 0.0.0.0 192.168.100.1 2009orderR3config45 ip route 0.0.0.0 0.0.0.0 172.16.1.1

7owever$ when the administrator issued the s!ow ip route command to verify the configuration$ only the secodefault route is in the routing table. Why is the first default route not showing?

he first configuration command overwrites the second command.he first default route will be installed into the routing table if there is traffic with an 2 address that isdestined for the +0!.+ 6.+)).) network.his is expected because the link to ,2+ is active. f the link to ,2+ goes down$ then the first default routewill be installed into the routing table.*****he first default route cannot be installed into the routing table unless the administrator manually disables thesecond default route with the no ip route 0.0.0.0 0.0.0.0 172.16.1.1 command.

26 Why is C>2 preferred for transmission of video traffic?t is a reliable protocol.

t retransmits lost packets.

t is a three-way handshake protocol.

t has low overhead.******

27What are two differences between R 2v+ and R 2v!? 3%hoose two.4R 2v+ broadcasts routing updates to !


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Refer to the exhibit. Which route will appear in the routing table?R +).+)./.) !/ +!) +B via +).+).+).+$ ))'))'+!$ (ast8thernet) +*******

R +).+)./.) !/ +!) +B via +).+).!).+$ ))'))'+!$ (ast8thernet) )

R +).+)./.) !/ +!) !B via +).+).!).+$ ))'))'+!$ (ast8thernet) )

R +).+)./.) !/ +!) :B via +).+).:).+$ ))'))'+!$ (ast8thernet+ )R +).+)./.) !/ +!) +B via +).+).:).+$ ))'))'+!$ (ast8thernet+ )

29 n which ; 2 mode can a switch create ;"A#s$ ignore ; 2 messages$ and not pass local ;"A# informationto other ; 2 domain members?

client

server

pruning

ransparent*****

30 What are two benefits of using A%"s? 3%hoose two.4hey provide 2 filtering.*****

hey reduce the processing load on the router.******

hey simplify the configuration of inter-;"A# routing.

hey prevent routing loops and facilitate convergence.

hey identify traffic for multiple uses such as Eo, and #A.1

What is the term for the value !+ !/+ that is highlighted in the output of the s!ow ip ei$rp topolo$y command?

feasible distance of the successor*****

reported distance of the successor

feasible distance of the feasible successor

reported distance of the feasible successor

32What are two features of an extended 2 A%"? 3%hoose two.4
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t uses numbers + through 00 for identification.

t can permit or deny traffic based on source or destination address.******

t detects malicious attacks against the network and logs them on a server.

t can filter traffic based on the protocol and port numbers.******

t encrypts traffic between hosts.

33

Refer to the exhibit. A network support technician has been asked to set an 2 address on one of the(ast8thernet interfaces on a new router. What is causing the interface to re@ect the address?

he 2 address is already in use.he technician is using a network address.******

he technician is using the wrong subnet mask for ! .

he technician must enable ;",H on the interface.

34A service provider is troubleshooting a failure between two sites in a (rame Relay virtual circuit. Where wouldthe administrator locate the fault if it was determined to be a problem with the %28?

at the %1

within the local loop

within the (rame Relay switchat the device with the > 8 interface

35 Which two , 2 states allow a switch to learn HA% addresses? 3%hoose two.49locking

"istening*****

"earning*****

>isabled

forwarding

36Which feature of R, 2 differentiates it from , 2?2ort(ast

Cplink(ast

active topology*******

five port states
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37 What are two characteristics of 8 GR2? 3%hoose two.4t supports a maximum hop count of +


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R/ is the >R. R< is the 9>R.

R< is the >R. R! is the 9>R.

40Which (rame Relay component provides connection status information about 2;%s in the network?% R

"H *****

>"%

(8%#

41 7ow does %7A2 secure connectivity on a 222 link?t uses a two-way handshake to send the username and password.

t encrypts user data that is sent across the link.

t designates the remote node to control the fre&uency and timing of the login attempts.t authenticates the username and password during initial link establishment and repeatedly during the timethe link is active.******

42What is an advantage of using a default route?hey never fail.

hey reduce the siDe of the routing table.

hey prevent routing loops between the edge router and the ,2.******

hey transfer traffic from the nternet to the network.

43 Which WA# connection method uses a 2;%?leased line

,>#

>,"

(rame Relay*****

44Which two statements are true about the native ;"A# on a switch? 3%hoose two.4t re&uires a special ;"A# > tag.

t is unable to be changed to a different ;"A#.

Cntagged traffic slows the switching process down.

he native ;"A# defaults to ;"A# + on %isco %atalyst switches.*******

Cntagged frames that are received on a trunk become members of this ;"A#.******

45
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Refer to the exhibit. he network administrator configured the routers using the displayed commands$ but thenetwork fails to converge. What can the network administrator do to solve this problem?

ssue the network commands correctly on both routers.******

%onfigure the wildcard masks correctly on both routers.ssue the no auto-su ary command.

%onfigure both routers with different autonomous numbers.What two types of information would a network administrator receive after excuting a s!ow 'ersion command on%isco router? 3%hoose two.4

the &uantity of available memory ******

the operational status of each interface

the number and type of available interfaces*******

the 2 addresses of the "A# and WA# interfaces

the list of HA% addresses of each connected 2%the list of networks advertised by the routing protocol

47


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Refer to the exhibit. A network technician is connecting a new 2% to port (a) 0. What are two characteristicsof this implementation? 3%hoose two.4

he 2% is a member of ;"A# :).

he 2% belongs to the default native ;"A#.

he 2% does not know its ;"A# assignment.

9roadcast messages sent from the 2% will be seen by all devices.

A "ayer : device is re&uired for the 2% to communicate with hosts on other ;"A#s.

48


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Refer to the exhibit. f R/ is announcing all shown internal networks as a summary address to the ,2$ whichsummary address will be most specific?

+0!.+ 6.+.) !!

+0!.+ 6./.) !+

+0!.+ 6. .) !:

+0!.+ 6.6.) !+******

+0!.+ 6./.) !!

49


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Refer to the exhibit. What is the purpose of the command' RouterA3config45 access-list 1 per it 192.168.16.00.0.0.255 ?

t identifies traffic on all inside interfaces to be translated and given access to the ,2 router.

t identifies traffic from the fa) + interface to be translated and given access to the ,2 router.

t allows traffic from the ,2 to reach all of the inside interfaces.

t identifies traffic from the fa) ) interface to be translated and given access to the ,2 router.****t allows traffic from the ,2 router to the fa) + interface.

50 What is the purpose of assigning an 2 address to a "ayer ! switch?to allow in-band management

to provide inter-;"A# connectivity

to facilitate election of a root bridge

to configure a default gateway for the network

51


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Refer to the exhibit. R 2v! is configured in the network shown. 7osts in the network have access to all internalnetworks but do not have nternet access. 1n which router should the commands$ shown in the exhibit$ beadded to provide nternet access for all hosts in the network?

R+

R!*******

R:

,2

52

Refer to the exhibit. Which elnet session will be blocked as a result of the displayed commands?the session from host A to host 9


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the session from host 9 to hosts % and >

the session from host 9 to hosts 8 and (

the session from host 8 and host ( to host A and host 9

ccna final exam 3.1

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