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New Cisco 200-125 Exam Dumps Collection (Question 1 - Question 10)

Question No: 1

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)


Question No: 2

CORRECT TEXTA network associate is adding security to the configuration of the Corp1 router. The user on host C should be able to use a web browser to access financial information from the Finance Web Server. No other hosts from the LAN nor the Core should be able to use a web browser to access this server. Since there are multiple resources for the corporation at this location including other resources on the Finance Web Server, all other traffic should be allowed.

The task is to create and apply an access-list with no more than three statements that will allow ONLY host C web access to the Finance Web Server. No other hosts will have web access to the Finance Web Server. All other traffic is permitted.

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

All passwords have been temporarily set to "cisco".

The Core connection uses an IP address of 198.18.247.65

The computers in the Hosts LAN have been assigned addresses of 192.168.240.1 - 192.168.240.254

u2711 host A 192.168.240.1

u2711 host B 192.168.240.2

u2711 host C 192.168.240.3

Answer:

Corp1#conf t

Corp1(config)# access-list 128 permit tcp host 192.168.240.1 host 172.22.141.26 eq www

Corp1(config)# access-list 128 deny tcp any host 172.22.141.26 eq www

Corp1(config)# access-list 128 permit ip any any

Corp1(config)#int fa0/1

Corp1(config-if)#ip access-group 128 out

Corp1(config-if)#end

Corp1#copy run startup-config


Question No: 3

Scenario

Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links.

You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices.

An OSPF neighbor adjacency is not formed between R3 in the main office and R5 in the Branch2 office. What is causing the problem?

A. There is an area ID mismatch.

B. There is a PPP authentication issue; a password mismatch.

C. There is an OSPF hello and dead interval mismatch.

D. There is a missing network command in the OSPF process on R5.

Answer: C

Explanation:

The u201cshow ip ospf interface command on R3 and R5 shows that the hello and dead intervals do not match. They are 50 and 200 on R3 and 10 and 40 on R5.


Question No: 4

What command instructs the device to timestamp Syslog debug messages in milliseconds?

A. service timestamps log datetime localtime<input type

B. service timestamps debug datetime msec<input type

C. service timestamps debug datetime localtime<input type

D. service timestamps log datetime msec

Answer: B

Explanation:

Enable millisecond (msec) timestamps using the service timestamps command: router(config)#service timestamps debug datetime msec.

router(config)#service timestamps log datetime msec The u201cservice timestamps debugu201d.

command configures the system to apply a time stamp to debugging messages. The time- stamp format fordatetimeisMMM DD HH:MM:SS, whereMMMis the month,DDis the date,HHis the hour (in 24-hour notation),MMis the minute, andSSis the second. With the additional keywordmsec, the system includes milliseconds in the time stamp, in the formatHH:DD:MM:SS.mmm, where .mmmis milliseconds.


Question No: 5

How does a DHCP server dynamically assign IP addresses to hosts?

A. Addresses are permanently assigned so that the host uses the same address at all times.

B. Addresses are assigned for a fixed period of time. At the end of the period, a new request for an address must be made, and another address is then assigned.

C. Addresses are leased to hosts. A host will usually keep the same address by periodically contacting the DHCP server to renew the lease.

D. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.

Answer: C

Explanation:

DHCP works in a client/server mode and operates like any other client/server relationship. When a PC connects to a DHCP server, the server assigns or leases an IP address to that PC. The PC connects to the network with that leased IP address until the lease expires. The host must contact the DHCP server periodically to extend the lease. This lease mechanism ensures that hosts that move or power off do not hold onto addresses that they do not need. The DHCP server returns these addresses to the address pool and reallocates them as necessary.


Question No: 6

What are the Populardestinations for syslog messages to be saved? (Choose three)

A. Flash

B. The logging buffer .RAM

C. The console terminal

D. Other terminals

E. Syslog server

Answer: B,C,E

Explanation:

By default, switches send the output from system messages and debug privileged EXEC commands to a logging process. The logging process controls the distribution of logging messages to various destinations, such as the logging buffer (on RAM), terminal lines (console terminal), or a UNIX syslog server, depending on your configuration. The process also sends messages to the console.

Note: Syslog messages can be written to a file in Flash memory although it is not a popular place to use. We can configure this feature with the commandlogging file flash:filename.


Question No: 7

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


Question No: 8

Scenario

Refer to the topology. Your company has connected the routers R1, R2, and R3 with serial links. R2 and R3 are connected to the switches SW1 and SW2, respectively. SW1 and SW2 are also connected to the routers R4 and R5.

The EIGRP routing protocol is configured.

You are required to troubleshoot and resolve the EIGRP issues between the various routers.

Use the appropriate show commands to troubleshoot the issues.

Which path does traffic take from R1 to R5?

A. The traffic goes through R2.

B. The traffic goes through R3.

C. The traffic is equally load-balanced over R2 and R3.

D. The traffic is unequally load-balanced over R2 and R3.

Answer: A

Explanation:

Using the u201cshow ip int brief commandu201d on R5 we can see the IP addresses assigned to this router. Then, using the u201cshow ip routeu201d command on R1 we can see that to reach 10.5.5.5 and 10.5.5.55 the preferred path is via Serial 1/3, which we see from the diagram is the link to R2.


Question No: 9

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.

Answer: A,D

Explanation:

Below is the list of common kinds of IPv6 addresses:


Question No: 10

Which statement about access lists that are applied to an interface is true?

A. You can place as many access lists as you want on any interface.

B. You can apply only one access list on any interface.

C. You can configure one access list, per direction, per Layer 3 protocol.

D. You can apply multiple access lists with the same protocol or in different directions.

Answer: C

Explanation:

We can have only 1 access list per protocol, per direction and per interface. It means:

+ We cannot have 2 inbound access lists on an interface

+ We can have 1 inbound and 1 outbound access list on an interface


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