[Free] 2017(Oct) Dumps4cert Testinsides Cisco 200-125 Dumps with VCE and PDF Download 111-120

Dumps4Cert 2017 Oct Cisco Official New Released 200-125
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CCNA Cisco Certified Network Associate CCNA (v3.0)

Question No: 111 – (Topic 3)

Refer to the exhibit.

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What commands must be configured on the 2950 switch and the router to allow communication between host 1 and host 2? (Choose two.)

  1. Router(config)# interface fastethernet 0/0 Router(config-if)# ip address Router(config-if)# no shut down

  2. Router(config)# interface fastethernet 0/0 Router(config-if)# no shut down Router(config)# interface fastethernet 0/0.1 Router(config-subif)# encapsulation dot1q 10

    Router(config-subif)# ip address Router(config)# interface fastethernet 0/0.2

    Router(config-subif)# encapsulation dot1q 20

    Router(config-subif)# ip address

  3. Router(config)# router eigrp 100 Router(config-router)# network Router(config-router)# network

  4. Switch1(config)# vlan database Switch1(config-vlan)# vtp domain XYZ Switch1(config-vlan)# vtp server

  5. Switch1(config)# interface fastethernet 0/1 Switch1(config-if)# switchport mode trunk

  6. Switch1(config)# interface vlan 1 Switch1(config-if)# ip default-gateway

Answer: B,E Explanation:

The router will need to use subinterfaces, where each subinterface is assigned a VLAN and IP address for each VLAN. On the switch, the connection to the router need to be configured as a trunk using the switchport mode trunk command and it will need a default gateway for VLAN 1.

Question No: 112 – (Topic 3)

Refer to the exhibit.

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If the router Cisco returns the given output and has not had its router ID set manually, what value will OSPF use as its router ID?





Answer: D Explanation:

If a router-id is not configured manually in the OSPF routing process the router will automatically configure a router-id determined from the highest IP address of a logical

interface (loopback interface) or the highest IP address of an active interface. If more than one loopback interfaces are configured, the router will compare the IP addresses of each of the interfaces and choose the highest IP address from the loopbacks.

Question No: 113 – (Topic 3)

Which command would you configure globally on a Cisco router that would allow you to view directly connected Cisco devices?

  1. enable cdp

  2. cdp enable

  3. cdp run

  4. run cdp

Answer: C Explanation:

CDP is enabled on Cisco routers by default. If you prefer not to use the CDP capability, disable it with the no cdp run command. In order to reenable CDP, use the cdp run command in global configuration mode. The “cdp enable” command is an interface command, not global.

Question No: 114 – (Topic 3)

Refer to the exhibit.

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Why is flash memory erased prior to upgrading the IOS image from the TFTP server?

  1. The router cannot verify that the Cisco IOS image currently in flash is valid.

  2. Flash memory on Cisco routers can contain only a single IOS image.

  3. Erasing current flash content is requested during the copy dialog.

  4. In order for the router to use the new image as the default, it must be the only IOS image in flash.

Answer: C Explanation:

During the copy process, the router asked “Erasing flash before copying? [confirm]” and the administrator confirmed (by pressing Enter) so the flash was deleted.

Note: In this case, the flash has enough space to copy a new IOS without deleting the current one. The current IOS is deleted just because the administrator wants to do so. If the flash does not have enough space you will see an error message like this:

%Error copying tftp:// c1600-k8sy-mz.l23-16a.bin (Not enough space on device)

Question No: 115 – (Topic 3)

Which command displays CPU utilization?

  1. show protocols

  2. show process

  3. show system

  4. show version

Answer: B Explanation:

The “show process” (in fact, the full command is “show processes”) command gives us lots of information about each process but in fact it is not easy to read. Below shows the output of this command (some next pages are omitted).

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A more friendly way to check the CPU utilization is the command “show processes cpu history”, in which the total CPU usage on the router over a period of time: one minute, one hour, and 72 hours are clearly shown:

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The Y-axis of the graph is the CPU utilization.

The X-axis of the graph is the increment within the period displayed in the graph.

For example, from the last graph (last 72 hours) we learn that the highest CPU utilization within 72 hours is 37% about six hours ago.

Question No: 116 – (Topic 3)

Why do large OSPF networks use a hierarchical design? (Choose three.)

  1. to decrease latency by increasing bandwidth

  2. to reduce routing overhead

  3. to speed up convergence

  4. to confine network instability to single areas of the network

  5. to reduce the complexity of router configuration

  6. to lower costs by replacing routers with distribution layer switches

Answer: B,C,D Explanation:

OSPF implements a two-tier hierarchical routing model that uses a core or backbone tier known as area zero (0). Attached to that backbone via area border routers (ABRs) are a number of secondary tier areas. The hierarchical approach is used to achieve the following:

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Rapid convergence because of link and/or switch failures


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Deterministic traffic recovery


Scalable and manageable routing hierarchy, reduced routing overhead.

Question No: 117 – (Topic 3)

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Refer to the exhibit.

A network associate has configured OSPF with the command: City(config-router)# network area 0

After completing the configuration, the associate discovers that not all the interfaces are

participating in OSPF. Which three of the interfaces shown in the exhibit will participate in OSPF according to this configuration statement? (Choose three.)

  1. FastEthernet0 /0

  2. FastEthernet0 /1

  3. Serial0/0

  4. Serial0/1.102

  5. Serial0/1.103

  6. Serial0/1.104

Answer: B,C,D Explanation:

The “network equals to network This network has:

Increment: 64 (/26= 1111 1111.1111 1111.1111 1111.1100 0000)

Network address:

Broadcast address:

Therefore all interfaces in the range of this network will join OSPF.

Question No: 118 – (Topic 3)

What is the default administrative distance of OSPF?

A. 90 B. 100 C. 110 D. 120

Answer: C Explanation:

Administrative distance is the feature that routers use in order to select the best path when there are two or more different routes to the same destination from two different routing protocols. Administrative distance defines the reliability of a routing protocol. Each routing protocol is prioritized in order of most to least reliable (believable) with the help of an administrative distance value.

Default Distance Value Table

This table lists the administrative distance default values of the protocols that Cisco supports:

Route Source

Default Distance Values

Connected interface 0

Static route 1

Enhanced Interior Gateway Routing Protocol (EIGRP) summary route 5

External Border Gateway Protocol (BGP) 20

Internal EIGRP 90

IGRP 100 OSPF 110

Intermediate System-to-Intermediate System (IS-IS) 115

Routing Information Protocol (RIP) 120

Exterior Gateway Protocol (EGP) 140

On Demand Routing (ODR) 160

External EIGRP 170

Internal BGP 200

Unknown* 255

Question No: 119 – (Topic 3)

If IP routing is enabled, which two commands set the gateway of last resort to the default

gateway? (Choose two.)

A. ip default-gateway

B. ip route

C. ip default-network

D. ip default-route

E. ip route

Answer: C,E Explanation:

Both the “ip default-network” and “ip route (next hop)” commands can be used to set the default gateway in a Cisco router.

Question No: 120 – (Topic 3)

Refer to the exhibit.

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The two exhibited devices are the only Cisco devices on the network. The serial network between the two devices has a mask of Given the output that is shown, what three statements are true of these devices? (Choose three.)

  1. The Manchester serial address is

  2. The Manchester serial address is

  3. The London router is a Cisco 2610.

  4. The Manchester router is a Cisco 2610.

  5. The CDP information was received on port Serial0/0 of the Manchester router.

  6. The CDP information was sent by port Serial0/0 of the London router.

Answer: A,C,E Explanation:

From the output, we learn that the IP address of the neighbor router is and the question stated that the subnet mask of the network between two routers is Therefore there are only 2 available hosts in this network (22 – 2 = 2). So we can deduce the ip address (of the serial interface) of Manchester router is -gt;.

The platform of the neighbor router is cisco 2610, as shown in the output -gt;.

Maybe the most difficult choice of this question is the answer E or F. Please notice that “Interface” refers to the local port on the local router, in this case it is the port of Manchester router, and “Port ID (outgoing port)” refers to the port on the neighbor router.

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