200-125 Guide

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  • Cisco
  • Exam Number/Code 200-125
  • Product Name CCNA Cisco Certified Network Associate CCNA (v3.0)
  • Questions and Answers
  • 635 Q&As
  • Last Updated
  • Mar 16,2019
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Super ways to ccna 200 125 dumps

Exam Code: 200 125 cisco (Practice Exam Latest Test Questions VCE PDF)
Exam Name: CCNA Cisco Certified Network Associate CCNA (v3.0)
Certification Provider: Cisco
Free Today! Guaranteed Training- Pass ccna 200 120 vs 200 125 Exam.

Q1.  - (Topic 5)

Refer to the exhibit.

In this VLSM addressing scheme, what summary address would be sent from router A?

A. /16

B. /20

C. /24

D. /16

E. /17

F. /16

Answer: A


Router A receives 3 subnets:, and

All these 3 subnets have the same form of 172.16.x.x so our summarized subnet must be also in that form -> Only A, B or .

The smallest subnet mask of these 3 subnets is /18 so our summarized subnet must also have its subnet mask equal or smaller than /18.

-> Only answer A has these 2 conditions ->.

Q2.  - (Topic 5)

On which options are standard access lists based?

A. destination address and wildcard mask

B. destination address and subnet mask

C. source address and subnet mask

D. source address and wildcard mask

Answer: D


Standard ACL’s only examine the source IP address/mask to determine if a match is made. Extended ACL’s examine the source and destination address, as well as port information.

Q3.  - (Topic 3)

Refer to the exhibit.

For what two reasons has the router loaded its IOS image from the location that is shown? (Choose two.)

A. Router1 has specific boot system commands that instruct it to load IOS from a TFTP server.

B. Router1 is acting as a TFTP server for other routers.

C. Router1 cannot locate a valid IOS image in flash memory.

D. Router1 defaulted to ROMMON mode and loaded the IOS image from a TFTP server.

E. Cisco routers will first attempt to load an image from TFTP for management purposes.

Answer: A,C


The loading sequence of CISCO IOS is as follows: Booting up the router and locating the Cisco IOS

1. POST (power on self-test)

2. Bootstrap code executed

3. Check Configuration Register value (NVRAM) which can be modified using the config- register command

0 = ROM Monitor mode 1 = ROM IOS

2 - 15 = startup-config in NVRAM

4. Startup-config filE. Check for boot system commands (NVRAM)

If boot system commands in startup-config

a. Run boot system commands in order they appear in startup-config to locate the IOS

b. [If boot system commands fail, use default fallback sequence to locate the IOS (Flash, TFTP, ROM)?]

If no boot system commands in startup-config use the default fallback sequence in locating the IOS:

a. Flash (sequential)

b. TFTP server (netboot)

c. ROM (partial IOS) or keep retrying TFTP depending upon router model

5. If IOS is loaded, but there is no startup-config file, the router will use the default fallback sequence for locating the IOS and then it will enter setup mode or the setup dialogue.

Q4.  - (Topic 3)

Refer to the exhibit.

The Lakeside Company has the internetwork in the exhibit. The administrator would like to

reduce the size of the routing table on the Central router. Which partial routing table entry in the Central router represents a route summary that represents the LANs in Phoenix but no additional subnets?

A. is subnetted, 1 subnets

D [90/20514560] via, 6w0d, Serial0/1

B. is subnetted, 1 subnets

D [90/20514560] via, 6w0d, Serial0/1

C. is subnetted, 1 subnets

D [90/20514560] via, 6w0d, Serial0/1

D. is subnetted, 1 subnets

D [90/20514560] via, 6w0d, Serial0/1

E. is subnetted, 1 subnets

D [90/20514560] via, 6w0d, Serial0/1

F. is subnetted, 1 subnets

D [90/20514560] via, 6w0d, Serial0/1

Answer: D


The route includes,, and networks only.

Q5.  - (Topic 3)

Refer to the exhibit.

According to the routing table, where will the router send a packet destined for





Answer: C


The destination IP address belongs to, & subnets but the “longest prefix match” algorithm will choose the most specific subnet mask

-> the prefix “/29 will be chosen to route the packet. Therefore the next-hop should be ->.

Q6.  - (Topic 6)

Which item represents the standard IP ACL?

A. access-list 110 permit ip any any

B. access-list 50 deny

C. access list 101 deny tcp any host

D. access-list 2500 deny tcp any host eq 22

Answer: B


The standard access lists are ranged from 1 to 99 and from 1300 to 1999 so only access list 50 is a standard access list.

Q7.  - (Topic 3)

Refer to the exhibit.

The network administrator must establish a route by which London workstations can forward traffic to the Manchester workstations. What is the simplest way to accomplish this?

A. Configure a dynamic routing protocol on London to advertise all routes to Manchester.

B. Configure a dynamic routing protocol on London to advertise summarized routes to Manchester.

C. Configure a dynamic routing protocol on Manchester to advertise a default route to the London router.

D. Configure a static default route on London with a next hop of

E. Configure a static route on London to direct all traffic destined for to

F. Configure Manchester to advertise a static default route to London.

Answer: E


This static route will allow for communication to the Manchester workstations and it is better to use this more specific route than a default route as traffic destined to the Internet will then not go out the London Internet connection.

Q8.  - (Topic 3)

Which command is used to display the collection of OSPF link states?

A. show ip ospf link-state

B. show ip ospf lsa database

C. show ip ospf neighbors

D. show ip ospf database

Answer: D


The “show ip ospf database” command displays the link states. Here is an example: Here is the lsa database on R2.

R2#show ip ospf database

OSPF Router with ID ( (Process ID 1) Router Link States (Area 0)

Link ID ADV Router Age Seq# Checksum Link count 793 0x80000003 0x004F85 2 776 0x80000004 0x005643 1 755 0x80000005 0x0059CA 2 775 0x80000005 0x00B5B1 2

Net Link States (Area 0)

Link ID ADV Router Age Seq# Checksum 794 0x80000001 0x001E8B 812 0x80000001 0x004BA9 755 0x80000001 0x007F16 775 0x80000001 0x00C31F

Q9.  - (Topic 8)

Which option is a valid hostname for a switch?

A. Switch-Cisco

B. Switch-Cisco!

C. SwitchCisco

D. SwitchCisc0

Answer: C

Q10.  - (Topic 4)

Which PPP subprotocol negotiates authentication options?






Answer: D


The PPP Link Control Protocol (LCP) is documented in RFC 1661. LPC negotiates link and PPP parameters to dynamically configure the data link layer of a PPP connection. Common LCP options include the PPP MRU, the authentication protocol, compression of PPP header fields, callback, and multilink options.

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