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New Cisco 200-125 Exam Dumps Collection (Question 5 – Question 14)

Q1. Refer to the exhibit.

Which rule does the DHCP server use when there is an IP address conflict?

A. The address is removed from the pool until the conflict is resolved.

B. The address remains in the pool until the conflict is resolved.

C. Only the IP detected by Gratuitous ARP is removed from the pool.

D. Only the IP detected by Ping is removed from the pool.

E. The IP will be shown, even after the conflict is resolved.

Answer: A

Explanation:

An address conflict occurs when two hosts use the same IP address. During address assignment, DHCP checks for conflicts using ping and gratuitous ARP. If a conflict is detected, the address is removed from the pool. The address will not be assigned until the administrator resolves the conflict.

(Reference: http://www.cisco.com/en/US/docs/ios/12_1/iproute/configuration/guide/1cddhcp.html)

Q2. A network engineer wants to allow a temporary entry for a remote user with a specific username and password so that the user can access the entire network over the Internet. Which ACL can be used?

A. standard

B. extended

C. dynamic

D. reflexive

Answer: C

Explanation:

We can use a dynamic access list to authenticate a remote user with a specific username and password. The authentication process is done by the router or a central access server such as a TACACS+ or RADIUS server. The configuration of dynamic ACL can be read here:http://www.cisco.com/en/US/tech/tk583/tk822/technologies_tech_note09186a0080094 524.shtml

Q3. Refer to the exhibit.

If the devices produced the given output, what is the cause of the EtherChannel problem?

A. SW1's Fa0/1 interface is administratively shut down.

B. There is an encapsulation mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.

C. There is an MTU mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.

D. There is a speed mismatch between SW1's Fa0/1 and SW2's Fa0/1 interfaces.

Answer: D

Explanation:

You must configure all interfaces in an EtherChannel to operate at the same speeds and duplex modes. Based on the output shown, SW1 is configured to run at 10Mb while SW2 is operating at 100 Mb.

Q4. 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

Answer: B,E,F

Explanation:

A new address type made specifically for IPv6 is called the Anycast Address. These IPv6 addresses are global addresses, these addresses can be assigned to more than one interface unlike an IPv6 unicast address. Anycast is designed to send a packet to the nearest interface that is a part of that anycast group.

The sender creates a packet and forwards the packet to the anycast address as the destination address which goes to the nearest router. The nearest router or interface is found by using the metric of a routing protocol currently running on the network. However in a LAN setting the nearest interface is found depending on the order the neighbors were learned. The anycast packet in a LAN setting forwards the packet to the neighbor it learned about first.

Q5. CORRECT TEXTCCNA.com has a small network that is using EIGRP as its IGP. All routers should be running an EIGRP AS number of 12. Router MGT is also running static routing to the ISP.

CCNA.com has recently added the ENG router. Currently, the ENG router does not have connectivity to the ISP router. All over interconnectivity and Internet access for the existing locations of the company are working properly.

The taskis to identify the fault(s) and correct the router configuration(s) to provide full connectivity between the routers.

Access to the router CLI can be gained by clicking on the appropriate host.

All passwords on all routers arecisco.

IP addresses are listed in the chart below.

MGT

Fa0/0 u2013 192.168.77.33

S1/0 u2013 198.0.18.6

S0/0 u2013 192.168.27.9

S0/1 u2013 192.168.50.21

ENG

Fa0/0 u2013 192.168.77.34

Fa1/0 u2013 192.168.12.17

Fa0/1 u2013 192.168.12.1

Parts1

Fa0/0 u2013 192.168.12.33

Fa0/1 u2013 192.168.12.49

S0/0 u2013 192.168.27.10

Parts2

Fa0/0 u2013 192.168.12.65

Fa0/1 u2013 192.168.12.81

S0/1 u2013 192.168.50.22

Answer:

On the MGT Router: Config t

Router eigrp 12

Network 192.168.77.0

Q6. Refer to the exhibit.

An attempt to deny web access to a subnet blocks all traffic from the subnet. Which interface command immediately removes the effect of ACL 102?

A. no ip access-class 102 in

B. no ip access-class 102 out

C. no ip access-group 102 in

D. no ip access-group 102 out

E. no ip access-list 102 in

Answer: D

Explanation:

The u201cip access-groupu201d is used to apply and ACL to an interface. From the output shown, we know that the ACL is applied to outbound traffic, so u201cno ip access-group 102 outu201d will remove the effect of this ACL.

Q7. What can be done to secure the virtual terminal interfaces on a router? (Choose two.)

A. Administratively shut down the interface.

B. Physically secure the interface.

C. Create an access list and apply it to the virtual terminal interfaces with the access-group command.

D. Configure a virtual terminal password and login process.

E. Enter an access list and apply it to the virtual terminal interfaces using the access-class

command.

Answer: D,E

Explanation:

It is a waste to administratively shut down the interface. Moreover, someone can still access the virtual terminal interfaces via other interfaces ->

We cannot physically secure a virtual interface because it is u201cvirtualu201d ->.

To apply an access list to a virtual terminal interface we must use the u201caccess-classu201d command. The u201caccess-groupu201d command is only used to apply an access list to a physical interface -> C is not correct.

The most simple way to secure the virtual terminal interface is to configure a username & password to prevent unauthorized login.

Q8. Refer to the exhibit.

Hosts in network 192.168.2.0 are unable to reach hosts in network 192.168.3.0. Based on the output from RouterA, what are two possible reasons for the failure? (Choose two.)

A. The cable that is connected to S0/0 on RouterA is faulty.

B. Interface S0/0 on RouterB is administratively down.

C. Interface S0/0 on RouterA is configured with an incorrect subnet mask.

D. The IP address that is configured on S0/0 of RouterB is not in the correct subnet.

E. Interface S0/0 on RouterA is not receiving a clock signal from the CSU/DSU.

F. The encapsulation that is configured on S0/0 of RouterB does not match the encapsulation that is configured on S0/0 of RouterA.

Answer: E,F

Explanation:

From the output we can see that there is a problem with the Serial 0/0 interface. It is enabled, but the line protocol is down. There could be a result of mismatched encapsulation or the interface not receiving a clock signal from the CSU/DSU.

Q9. What SNMP message alerts the manager to a condition on the network?

A. response

B. get

C. trap

D. capture

Answer: C

Explanation:

An agent can send unsolicited traps to the manager. Traps are messages alerting the SNMP manager to a condition on the network. Traps can mean improper user authentication, restarts, link status (up or down), MAC address tracking, closing of a TCP connection, loss of connection to a neighbor, or other significant events.

Reference: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2950/software/release/12- 1_9_ea1/configuration/guide/scg/swsnmp.html

Q10. Which router IOS commands can be used to troubleshoot LAN connectivity problems? (Choose three.)

A. ping

B. tracert

C. ipconfig

D. show ip route

E. winipcfg

F. show interfaces

Answer: A,D,F

Explanation:

Ping, show ip route, and show interfaces are all valid troubleshooting IOS commands. Tracert, ipconfig, and winipcfg are PC commands, not IOS.

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