Category - New CCNA 200-120

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Cisco Exams 200-120

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Troubleshooting Questions CCNA 200-120

Router# show interface s0/0
Serial 0/0/0 is administratively down, line protocol is down
What is the reason that the interface status is “administratively down, line protocol down”?
A. There is no encapsulation type configured.
B. There is a mismatch in encapsulation types.
C. The interface is not receiving any keepalives.
D. The interface has been configured with the shutdown command.
E. The interface needs to be configured as a DTE device.
F. The wrong type of cable is connected to the interface.

Correct Answer: D

Refer to the exhibit. A network administrator configures a new router and enters the copy startup-config
running-config on the router. The network administrator powers down the router and sets it up at a remote
location. When the router starts, it enter the system configuration dialog as shown. What is the cause of the
A. The network administrator failed to save the configuration.
B. The configuration register is set to 0×2100.
C. The boot system flash command is missing from the configuration.
D. The configuration register is set to 0×2102.
E. The router is configured with the boot system startup command.

Correct Answer: A

The “System Configuration Dialog” appears only when no startup configuration file is found. The network
administrator has made a mistake because the command “copy startup-config running-config” will copy the
startup config (which is empty) over the running config (which is configured by the administrator). So everything
configured was delvced.
Note: We can tell the router to ignore the start-up configuration on the next reload by setting the register to
0×2142. This will make the “System Configuration Dialog” appear at the next reload


IPv6 Questions CCNA 200-120

Which IPv6 address is valid?

A. 2031:0:130F::9C0:876A:130B
B. 2001:0DB8:0000:130F:0000:0000:08GC:140B
C. 2001:0DB8:0:130H::87C:140B
D. 2031::130F::9C0:876A:130B

Correct Answer: A

Answer B is not correct because it has a letter “G”.
Answer C is not correct because it has a letter “H”.
Answer D is not correct because it has two “::”.

Which IPv6 address is the equivalent of the IPv4 interface loopback address
A. ::1
B. ::
C. 2000::/3
D. 0::/10

Correct Answer: A

How many bits are contained in each field of an IPv6 address?
A. 24
B. 4
C. 8
D. 16

Correct Answer: D

Which IPv6 address is the all-router multicast group?
A. FF02::1
B. FF02::2
C. FF02::3
D. FF02::4

Correct Answer: B

Which three are characteristics of an IPv6 anycast address? (Choose three)
A. one-to-many communication model
B. one-to-nearest communication model
C. any-to-many communication model
D. a unique IPv6 address for each device in the group
E. the same address for multiple devices in the group
F. delivery of packets to the group interface that is closest to the sending device

Correct Answer: BEF

Which two are features of IPv6? (Choose two)
A. multicast
B. broadcast
C. allcast
D. podcast
E. anycast

Correct Answer: AE

Which three approaches can be used while migrating from an IPv4 addressing scheme to an IPv6 scheme?
(Choose three)
A. static mapping of IPv4 address to IPv6 addresses
B. configuring IPv4 tunnels between IPv6 islands
C. use DHCPv6 to map IPv4 addresses to IPv6 addresses
D. use proxying and translation (NAT-PT) to translate IPv6 packets into IPv4 packets
E. configure IPv6 directly
F. enable dual-stack routing

Correct Answer: BDF

Which of these represents an IPv6 link-local address?
A. FE08::280e:611:a:f14f.3d69
B. FE81::280f.512b:e14f:3d69
C. FE80::380e:611a:e14f:3d69
D. FEFE:0345:5f1b::e14d:3d69

Correct Answer: C

Which command enables IPv6 forwarding on a cisco router?
A. IPv6 host
B. IPv6 unicast-routing
C. IPv6 local
D. IPv6 neighbor

Correct Answer: B

Which two statements describe characteristics of IPv6 unicast addressing? (Choose two)
A. Global addresses start with 2000::/3
B. Link-local addresses start with FE00:/12
C. Link-local addresses start with FF00::/10
D. There is only one loopback address and it is ::1
E. If a global address is assigned to an interface, then that is the only allowable address for the interface.

Correct Answer: AD

What are three features of the IPv6 protocol? (Choose three)
A. optional IPsec
B. autoconfiguration
C. no broadcasts
D. complicated header
E. plug-and-play
F. checksums

Correct Answer: BCE

Which two of these statements are true of IPv6 address representation? (Choose two)
A. The first 64 bits represent the dynamically created interface ID.
B. A single interface may be assigned multiple IPV6 addresses of any type.
C. Every IPV6 interface contains at least one loopback address.
D. Leading zeros in an IPV6 16 bit hexadecimal field are mandatory.

Correct Answer: BC

Which option is a valid IPv6 address?
A. 2001:0000:130F::099a::12a
B. 2002:7654:A1AD:61:81AF:CCC1
C. FEC0:ABCD:WXYZ:0067::2A4
D. 2004:1:25A4:886F::1

Correct Answer: D

Which switch would STP choose to become the root bridge in the selection process?
A. 32768: 11-22-33-44-55-66
B. 32768: 22-33-44-55-66-77
C. 32769: 11-22-33-44-55-65
D. 32769: 22-33-44-55-66-78

Correct Answer: A

Which command can you use to manually assign a static IPV6 address to a router interface?
A. ipv6 address PREFIX_1::1/64
B. ipv6 autoconfig 2001:db8:2222:7272::72/64
C. ipv6 autoconfig
D. ipv6 address 2001:db8:2222:7272::72/64

Correct Answer: D

What is known as “one-to-nearest” addressing in IPv6?
A. global unicast
B. anycast
C. multicast
D. unspecified address

Correct Answer: B

The network administrator has been asked to give reasons for moving from IPv4 to IPv6. What are two valid
reasons for adopting IPv6 over IPv4? (Choose two)
A. telnet access does not require a password
B. nat
C. no broadcast
D. change of destination address in the IPv6 header
E. change of source address in the IPv6 header
F. autoconfiguration

Correct Answer: CF


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