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New Cisco 200-125 Exam Dumps Collection (Question 4 - Question 13)

Q4. Which statement describes the process of dynamically assigning IP addresses by the DHCP server?

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

B. Addresses are permanently assigned so that the hosts uses the same address at all times.

C. Addresses are assigned for a fixed period of time, at the end of the period, a new request for an address must be made.

D. Addresses are leased to hosts, which periodically contact the DHCP server to renew the lease.

Answer: D

Explanation:

The DHCP lifecycle consists of the following:

u2711 Allocation:A client begins with no active lease, and hence, no DHCP-assigned address. It acquires a lease through a process ofallocation.

u2711 Reallocation:If a client already has an address from an existing lease, then when it reboots or starts up after being shut down, it will contact the DHCP server that granted it the lease to confirm the lease and acquire operating parameters. This is sometimes calledreallocation; it is similar to the full allocation process but shorter.

u2711 Normal Operation:Once a lease is active, the client functions normally, using its assigned IP address and other parameters during the u201cmain partu201d of the lease. The client is said to beboundto the lease and the address.

u2711 Renewal:After a certain portion of the lease time has expired, the client will attempt to contact the server that initially granted the lease, torenewthe lease so it can

keep using its IP address.

u2711 Rebinding.If renewal with the original leasing server fails (because, for example, the server has been taken offline), then the client will try torebindto any active DHCP server, trying to extend its current lease with any server that will allow it to do so.

u2711 Release:The client may decide at any time that it no longer wishes to use the IP address it was assigned, and may terminate the lease,releasingthe IP address.


Q5. An administrator is trying to ping and telnet from SwitchC to RouterC with the results shown below.

Click the console connected to RouterC and issue the appropriate commands to answer the questions.

What would be the effect of issuing the commandip access-group 114 into the fa0/0 interface?

A. Attempts to telnet to the router would fail.

B. It would allow all traffic from the 10.4.4.0 network.

C. IP traffic would be passed through the interface but TCP and UDP traffic would not.

D. Routing protocol updates for the 10.4.4.0 network would not be accepted from the fa0/0 interface.

Answer: B

Explanation:

From the output of access-list 114: access-list 114 permit ip 10.4.4.0 0.0.0.255 any we can easily understand that this access list allows all traffic (ip) from 10.4.4.0/24 network


Q6. 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)


Q7. What is the default Syslog facility level?

A. local4

B. local5

C. local6

D. local7

Answer: D

Explanation:

By default, Cisco IOS devices, CatOS switches, and VPN 3000 Concentrators use facility local7 while Cisco PIX Firewalls use local4 to send syslog messages. Moreover, most Cisco devices provide options to change the facility level from their default value.

Reference: http://www.ciscopress.com/articles/article.asp?p=426638


Q8. 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


Q9. A network administrator is troubleshooting the OSPF configuration of routers R1 and R2. The routers cannot establish an adjacency relationship on their common Ethernet link.

The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2. Based on the information in the graphic, what is the cause of this problem?

A. The OSPF area is not configured properly.

B. The priority on R1 should be set higher.

C. The cost on R1 should be set higher.

D. The hello and dead timers are not configured properly.

E. A backup designated router needs to be added to the network.

F. The OSPF process ID numbers must match.

Answer: D

Explanation:

In OSPF, the hello and dead intervals must match and here we can see the hello interval is set to 5 on R1 and 10 on R2. The dead interval is also set to 20 on R1 but it is 40 on R2.


Q10. Refer to the exhibit.

The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem? (Choose three.)

A. Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.

B. Ensure that cables A and B are straight-through cables.

C. Ensure cable A is plugged into a trunk port.

D. Ensure the switch has power.

E. Reboot all of the devices.

F. Reseat all cables.

Answer: B,D,F

Explanation:

The ports on the switch are not up indicating it is a layer 1 (physical) problem so we should check cable type, power and how they are plugged in.


Q11. 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.


Q12. Refer to the exhibit.

An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?

A. data link layer

B. application layer

C. access layer

D. session layer

E. network layer

Answer: E

Explanation:

The command ping uses ICMP protocol, which is a network layer protocol used to propagate control message between host and router. The command ping is often used to verify the network connectivity, so it works at the network layer.


Q13. Which IPv6 address is the all-router multicast group?

A. FF02::1

B. FF02::2

C. FF02::3

D. FF02::4

Answer: B

Explanation:

Well-known IPv6 multicast addresses:

Address Description ff02::1

All nodes on the local network segment

ff02::2

All routers on the local network segment


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