200-125 | What Virtual 200-125 vce Is?

Q5. Which parameter would you tune to affect the selection of a static route as a backup, when a dynamic protocol is also being used?

A. hop count

B. administrative distance

C. link bandwidth

D. link delay

E. link cost

Answer: B

Explanation:

By default the administrative distance of a static route is 1, meaning it will be preferred over all dynamic routing protocols. If you want to have the dynamic routing protocol used and have the static route be used only as a backup, you need to increase the AD of the static route so that it is higher than the dynamic routing protocol.

Q6. RouterA is unable to reach RouterB. Both routers are running IOS version 12.0.

After reviewing the command output and graphic, what is the most likely cause of the problem?

A. incorrect bandwidth configuration

B. incorrect LMI configuration

C. incorrect map statement

D. incorrect IP address

Answer: C

Explanation:

First we have to say this is an unclear question and it is wrong. The u201cframe-relay map ipu201d statement is correct thus none of the four answers above is correct. But we guess there is a typo in the output. Maybe the u201cip address 172.16.100.2 255.255.0.0 command should be u201cip address 172.16.100.1 255.255.0.0. That makes answer C correct.

Q7. 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

Explanation:

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.

Q8. Refer to the exhibit.

What is the meaning of the term dynamic as displayed in the output of the show frame- relay map command shown?

A. The Serial0/0 interface is passing traffic.

B. The DLCI 100 was dynamically allocated by the router.

C. The Serial0/0 interface acquired the IP address of 172.16.3.1 from a DHCP server.

D. The DLCI 100 will be dynamically changed as required to adapt to changes in the Frame Relay cloud.

E. The mapping between DLCI 100 and the end station IP address 172.16.3.1 was learned

through Inverse ARP.

Answer: E

Explanation:

Inverse Address Resolution Protocol (Inverse ARP) was developed to provide a mechanism for dynamic DLCI to Layer 3 address maps. Inverse ARP works much the same way Address Resolution Protocol (ARP) works on a LAN. However, with ARP, the device knows the Layer 3 IP address and needs to know the remote data link MAC address. With Inverse ARP, the router knows the Layer 2 address which is the DLCI, but needs to know the remote Layer 3 IP address.

When using dynamic address mapping, Inverse ARP requests a next-hop protocol address for each active PVC. Once the requesting router receives an Inverse ARP response, it updates its DLCI-to-Layer 3 address mapping table. Dynamic address mapping is enabled by default for all protocols enabled on a physical interface. If the Frame Relay environment supports LMI autosensing and Inverse ARP, dynamic address mapping takes place automatically. Therefore, no static address mapping is required.

Q9. Refer to the exhibit.

The network administrator normally establishes a Telnet session with the switch from host

A. However, host A is unavailable. The administrator's attempt to telnet to the switch from host B fails, but pings to the other two hosts are successful. What is the issue?

A. Host B and the switch need to be in the same subnet.

B. The switch interface connected to the router is down.

C. Host B needs to be assigned an IP address in VLAN 1.

D. The switch needs an appropriate default gateway assigned.

E. The switch interfaces need the appropriate IP addresses assigned.

Answer: D

Explanation:

Ping was successful form host B to other hosts because of intervlan routing configured on router. But to manage switch via telnet the VLAN32 on the switch needs to be configured interface vlan32 along with ip address and its appropriate default-gateway address.

Since VLAN1 interface is already configure on switch Host A was able to telnet switch.

Q10. Refer to the exhibit.

What is the reason that the interface status is "administratively down, line protocol down"?

A. There is no encapsulation type configured.

B. There is a mismatch in encapsulation types.

C. The interface is not receiving any keepalives.

D. The interface has been configured with the shutdown command.

E. The interface needs to be configured as a DTE device.

F. The wrong type of cable is connected to the interface.

Answer: D

Explanation:

Interfaces can be enabled or disabled with shutdown/no shutdown command. If you interface is down, it will display administratively down status. You can bring up an interface having administratively down interface using no shutdown command.

Q11. 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

Explanation:

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

Q12. Refer to the exhibit.

The output that is shown is generated at a switch. Which three statements are true? (Choose three.)

A. All ports will be in a state of discarding, learning, or forwarding.

B. Thirty VLANs have been configured on this switch.

C. The bridge priority is lower than the default value for spanning tree.

D. All interfaces that are shown are on shared media.

E. All designated ports are in a forwarding state.

F. This switch must be the root bridge for all VLANs on this switch.

Answer: A,C,E

Explanation:

From the output, we see that all ports are in designated role (forwarding state).

The command u201cshow spanning-tree vlan 30 only shows us information about VLAN 30. We donu2021t know how many VLAN exists in this switch ->.

The bridge priority of this switch is 24606 which is lower than the default value bridge priority 32768.

All three interfaces on this switch have the connection type u201cp2pu201d, which means Point-to- point environment u2013 not a shared media.

The only thing we can specify is this switch is the root bridge for VLAN 3o but we cannot guarantee it is also the root bridge for other VLANs.

Q13. Which two statistics appear in show frame-relay map output? (Choose two.)

A. the number of BECN packets that are received by the router

B. the value of the local DLCI

C. the number of FECN packets that are received by the router

D. the status of the PVC that is configured on the router

E. the IP address of the local router

Answer: B,D

Explanation:

Sample u201cshow frame-relay mapu201d output: R1#sh frame map

Serial0/0 (up): ip 10.4.4.1dlci 401(0x191,0x6410), dynamic, broadcast,,status defined, active

Serial0/0 (up): ip 10.4.4.3dlci 403(0x193,0x6430), dynamic, broadcast,,status defined, active

Serial0/0 (up): ip 10.4.4.4dlci 401(0x191,0x6410), static, CISCO,status defined, active

Q14. What are the alert messages generated by SNMP agents called?

A. TRAP

B. INFORM

C. GET

D. SET

Answer: A,B

Explanation:

A TRAP is a SNMP message sent from one application to another (which is typically on a remote host). Their purpose is merely to notify the other application that something has happened, has been noticed, etc. The big problem with TRAPs is that theyu2021re unacknowledged so you donu2021t actually know if the remote application received your oh-so- important message to it. SNMPv2 PDUs fixed this by introducing the notion of an INFORM, which is nothing more than an acknowledged TRAP.