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Ucertify offers free demo for ccna 200 125 study guide exam. "CCNA Cisco Certified Network Associate CCNA (v3.0)", also known as 200 125 ccna pdf exam, is a Cisco Certification. This set of posts, Passing the Cisco ccna 200 125 dumps exam, will help you answer those questions. The ccna 200 125 pdf Questions & Answers covers all the knowledge points of the real exam. 100% real Cisco ccna 200 125 book exams and revised by experts!


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New Cisco 200-125 Exam Dumps Collection (Question 7 - Question 16)

New Questions 7

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

Answer: B,C,E

Explanation:

An important feature of IPv6 is that it allows plug and play option to the network devices by allowing them to configure themselves independently. It is possible to plug a node into an IPv6 network without requiring any human intervention. This feature was critical to allow network connectivity to an increasing number of mobile devices. This is accomplished by autoconfiguration.

IPv6 does not implement traditional IP broadcast, i.e. the transmission of a packet to all hosts on the attached link using a special broadcast address, and therefore does not define broadcast addresses. In IPv6, the same result can be achieved by sending a packet to the link-local all nodes multicast group at address ff02::1, which is analogous to IPv4 multicast to address 224.0.0.1.


New Questions 8

Refer to the exhibit.

A frame on VLAN 1 on switch S1 is sent to switch S2 where the frame is received on VLAN 2. What causes this behavior?

A. trunk mode mismatches

B. allowing only VLAN 2 on the destination

C. native VLAN mismatches

D. VLANs that do not correspond to a unique IP subnet

Answer: C

Explanation:

Untagged frames are encapsulated with the native VLAN. In this case, the native VLANs are different so although S1 will tag it as VLAN 1 it will be received by S2.


New Questions 9

What is the effect of using the service password-encryption command?

A. Only the enable password will be encrypted.

B. Only the enable secret password will be encrypted.

C. Only passwords configured after the command has been entered will be encrypted.

D. It will encrypt the secret password and remove the enable secret password from the configuration.

E. It will encrypt all current and future passwords.

Answer: E

Explanation:

Enable vty, console, AUX passwords are configured on the Cisco device. Use the show run command to show most passwords in clear text. If the service password-encryption is used, all the passwords are encrypted. As a result, the security of device access is improved.


New Questions 10

A network administrator is troubleshooting an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked. What command will display the required information?

A. Router# show ip eigrp adjacency

B. Router# show ip eigrp topology

C. Router# show ip eigrp interfaces

D. Router# show ip eigrp neighbors

Answer: D

Explanation:

Below is an example of the show ip eigrp neighbors command. The retransmit interval (Smooth Round Trip Timer u2013 SRTT) and the queue counts (Q count, which shows the number of queued EIGRP packets) for the adjacent routers are listed:


New Questions 11

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. no broadcast

B. change of source address in the IPv6 header

C. change of destination address in the IPv6 header

D. Telnet access does not require a password

E. autoconfiguration

F. NAT

Answer: A,E

Explanation:

IPv6 does not use broadcasts, and autoconfiguration is a feature of IPV6 that allows for hosts to automatically obtain an IPv6 address.


New Questions 12

RouterA is unable to reach RouterB. Both routers are running IOS version 12.0.

After reviewing the command output and graphic, what is the most likely cause of the problem?

A. incorrect bandwidth configuration

B. incorrect LMI configuration

C. incorrect map statement

D. incorrect IP address

Answer: C

Explanation:

First we have to say this is an unclear question and it is wrong. The u201cframe-relay map ipu201d statement is correct thus none of the four answers above is correct. But we guess there is a typo in the output. Maybe the u201cip address 172.16.100.2 255.255.0.0 command should be u201cip address 172.16.100.1 255.255.0.0. That makes answer C correct.


New Questions 13

A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?

A. This is a 10 Mb/s switch port.

B. This is a 100 Mb/s switch port.

C. This is an Ethernet port operating at half duplex.

D. This is an Ethernet port operating at full duplex.

E. This is a port on a network interface card in a PC.

Answer: C

Explanation:

Modern Ethernet networks built with switches and full-duplex connections no longer utilize CSMA/CD. CSMA/CD is only used in obsolete shared media Ethernet (which uses repeater or hub).

Topic 6, LAN Switching Technologies

604.Refer to the exhibit.

A network administrator is configuring an EtherChannel between SW1 and SW2. The SW1 configuration is shown. What is the correct configuration for SW2?

A. interface FastEthernet 0/1 channel-group 1 mode active switchport trunk encapsulation dot1q switchport mode trunk

interface FastEthernet 0/2 channel-group 1 mode active

switchport trunk encapsulation dot1q switchport mode trunk

B. interface FastEthernet 0/1 channel-group 2 mode auto switchport trunk encapsulation dot1q switchport mode trunk

interface FastEthernet 0/2 channel-group 2 mode auto

switchport trunk encapsulation dot1q switchport mode trunk

C. interface FastEthernet 0/1 channel-group 1 mode desirable

switchport trunk encapsulation dot1q switchport mode trunk

interface FastEthernet 0/2 channel-group 1 mode desirable

switchport trunk encapsulation dot1q switchport mode trunk

D. interface FastEthernet 0/1 channel-group 1 mode passive switchport trunk encapsulation dot1q switchport mode trunk

interface FastEthernet 0/2 channel-group 1 mode passive

switchport trunk encapsulation dot1q switchport mode trunk


New Questions 14

Refer to the exhibit.

The Bigtime router is unable to authenticate to the Littletime router. What is the cause of the problem?

A. The usernames are incorrectly configured on the two routers.

B. The passwords do not match on the two routers.

C. CHAP authentication cannot be used on a serial interface.

D. The routers cannot be connected from interface S0/0 to interface S0/0.

E. With CHAP authentication, one router must authenticate to another router. The routers cannot be configured to authenticate to each other.

Answer: B

Explanation:

With CHAP authentication, the configured passwords must be identical on each router. Here, it is configured as little123 on one side and big123 on the other.


New Questions 15

Which statement about VLAN operation on Cisco Catalyst switches is true?

A. When a packet is received from an 802.1Q trunk, the VLAN ID can be determined from the source MAC address and the MAC address table.

B. Unknown unicast frames are retransmitted only to the ports that belong to the same VLAN.

C. Broadcast and multicast frames are retransmitted to ports that are configured on different VLAN.

D. Ports between switches should be configured in access mode so that VLANs can span across the ports.

Answer: B

Explanation:

Each VLAN resides in its own broadcast domain, so incoming frames with unknown destinations are only transmitted to ports that reside in the same VLAN as the incoming frame.


New Questions 16

Which command can you use to manually assign a static IPv6 address to a router interface?

A. ipv6 autoconfig 2001:db8:2222:7272::72/64

B. ipv6 address 2001:db8:2222:7272::72/64

C. ipv6 address PREFIX_1 ::1/64

D. ipv6 autoconfig

Answer: B

Explanation:

To assign an IPv6 address to an interface, use the u201cipv6 addressu201d command and specify the IP address you wish to use.


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