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

Q1. A switch is configured with all ports assigned to VLAN 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?

A. More collision domains will be created.

B. IP address utilization will be more efficient.

C. More bandwidth will be required than was needed previously.

D. An additional broadcast domain will be created.

Answer: D


Each VLAN creates its own broadcast domain. Since this is a full duplex switch, each port is a separate collision domain.

Q2. Before installing a new, upgraded version of the IOS, what should be checked on the router, and which command should be used to gather this information? (Choose two.)

A. the amount of available ROM

B. the amount of available flash and RAM memory

C. the version of the bootstrap software present on the router

D. show version

E. show processes

F. show running-config

Answer: B,D


When upgrading a new version of the IOS we need to copy the IOS to the Flash so first we have to check if the Flash has enough memory or not. Also running the new IOS may require more RAM than the older one so we should check the available RAM too. We can check both with the u201cshow versionu201d command.

Q3. What is the effect of using the service password-encryption command?

A. Only the enable password will be encrypted.

B. Only the enable secret password will be encrypted.

C. Only passwords configured after the command has been entered will be encrypted.

D. It will encrypt the secret password and remove the enable secret password from the configuration.

E. It will encrypt all current and future passwords.

Answer: E


Enable vty, console, AUX passwords are configured on the Cisco device. Use the show run command to show most passwords in clear text. If the service password-encryption is used, all the passwords are encrypted. As a result, the security of device access is improved.

Q4. Refer to the exhibit.

The Bigtime router is unable to authenticate to the Littletime router. What is the cause of the problem?

A. The usernames are incorrectly configured on the two routers.

B. The passwords do not match on the two routers.

C. CHAP authentication cannot be used on a serial interface.

D. The routers cannot be connected from interface S0/0 to interface S0/0.

E. With CHAP authentication, one router must authenticate to another router. The routers cannot be configured to authenticate to each other.

Answer: B


With CHAP authentication, the configured passwords must be identical on each router. Here, it is configured as little123 on one side and big123 on the other.

Q5. Refer to the topology shown in the exhibit.

Which three ports will be STP designated ports if all the links are operating at the same bandwidth? (Choose three.)

A. Switch A - Fa0/0

B. Switch A - Fa0/1

C. Switch B - Fa0/0

D. Switch B - Fa0/1

E. Switch C - Fa0/0

F. Switch C - Fa0/1

Answer: B,C,D


This question is to check the spanning tree election problem.

1. First, select the root bridge, which can be accomplished by comparing the bridge ID, the smallest will be selected. Bridge-id= bridge priority + MAC address. The three switches in the figure all have the default priority, so we should compare the MAC address, it is easy to find that SwitchB is the root bridge.

2. Select the root port on the non-root bridge, which can be completed through comparing root path cost. The smallest will be selected as the root port.

3. Next, select the Designated Port. First, compare the path cost, if the costs happen to be the same, then compare the BID, still the smallest will be selected. Each link has a DP. Based on the exhibit above, we can find DP on each link. The DP on the link between SwitchA and SwitchC is SwitchA'Fa0/1, because it has the smallest MAC address.

Topic 7, Routing Technologies

664.A router receives information about network from multiple sources. What will the router consider the most reliable information about the path to that network?

A. a directly connected interface with an address of

B. a static route to network

C. a RIP update for network

D. an OSPF update for network

E. a default route with a next hop address of

F. a static route to network with a local serial interface configured as the next hop

Q6. Refer to the exhibit.

A network technician is asked to design a small network with redundancy. The exhibit represents this design, with all hosts configured in the same VLAN. What conclusions can be made about this design?

A. This design will function as intended.

B. Spanning-tree will need to be used.

C. The router will not accept the addressing scheme.

D. The connection between switches should be a trunk.

E. The router interfaces must be encapsulated with the 802.1Q protocol.

Answer: C


Each interface on a router must be in a different network. If two interfaces are in the same network, the router will not accept it and show error when the administrator assigns it.

Q7. What are three benefits of GLBP? (Choose three.)

A. GLBP supports up to eight virtual forwarders per GLBP group.

B. GLBP supports clear text and MD5 password authentication between GLBP group members.

C. GLBP is an open source standardized protocol that can be used with multiple vendors.

D. GLBP supports up to 1024 virtual routers.

E. GLBP can load share traffic across a maximum of four routers.

F. GLBP elects two AVGs and two standby AVGs for redundancy.

Answer: B,D,E

Q8. What are two characteristics of Frame Relay point-to-point subinterfaces? (Choose two.)

A. They create split-horizon issues.

B. They require a unique subnet within a routing domain.

C. They emulate leased lines.

D. They are ideal for full-mesh topologies.

E. They require the use of NBMA options when using OSPF.

Answer: B,C


Subinterfaces are used for point to point frame relay connections, emulating virtual point to point leased lines. Each subinterface requires a unique IP address/subnet. Remember, you cannot assign multiple interfaces in a router that belong to the same IP subnet.

Q9. Syslog was configured with a level 3 trap. Which 3 types of logs would be generated (choose four)

A. Emergencies

B. Alerts

C. Critical

D. Errors

E. Warnings

Answer: A,B,C,D


The Message Logging is divided into 8 levels as listed below: Level Keyword Description

0 emergencies System is unusable 1 alerts Immediate action is needed 2 critical Critical conditions exist

3 errors Error conditions exist

4 warnings Warning conditions exist

5 notification Normal, but significant, conditions exist 6 informational Informational messages

7 debugging Debugging messages

The highest level is level 0 (emergencies). The lowest level is level 7. If you specify a level with the u201clogging console levelu201d command, that level and all the higher levels will be displayed. For example, by using the u201clogging console warningsu201d command, all the logging of emergencies, alerts, critical, errors, warnings will be displayed.

Q10. Which command can you use to manually assign a static IPv6 address to a router interface?

A. ipv6 autoconfig 2001:db8:2222:7272::72/64

B. ipv6 address 2001:db8:2222:7272::72/64

C. ipv6 address PREFIX_1 ::1/64

D. ipv6 autoconfig

Answer: B


To assign an IPv6 address to an interface, use the u201cipv6 addressu201d command and specify the IP address you wish to use.

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