[Free] 2019(Nov) EnsurePass Cisco 200-125 Dumps with VCE and PDF 141-150

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Question No.141

Refer to the exhibit. What is the reason that the interface status is quot;administratively down, line protocol downquot;?

image

  1. There is no encapsulation type configured.

  2. There is a mismatch in encapsulation types.

  3. The interface is not receiving any keepalives.

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

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

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

Correct 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.

Question No.142

DRAG DROP

image

Correct Answer:

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Question No.143

What are two benefits of using a single OSPF area network design? (Choose two.)

  1. It is less CPU intensive for routers in the single area.

  2. It reduces the types of LSAs that are generated.

  3. It removes the need for virtual links.

  4. It increases LSA response times.

  5. It reduces the number of required OSPF neighbor adjacencies.

Correct Answer: BC

Explanation:

OSPF uses a LSDB (link state database) and fills this with LSAs (link state advertisement). The link types are as follows:

image

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LSA Type 1: Router LSA LSA Type 2: Network LSA LSA Type 3: Summary LSA

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LSA Type 4: Summary ASBR LSA

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LSA Type 5: Autonomous system external LSA LSA Type 6: Multicast OSPF LSA

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LSA Type 7: Not-so-stubby area LSA

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LSA Type 8: External attribute LSA for BGP

If all routers are in the same area, then many of these LSA types (Summary ASBR LSA, external LSA, etc) will not be used and will not be generated by any router.

All areas in an Open Shortest Path First (OSPF) autonomous system must be physically connected to the backbone area (Area 0). In some cases, where this is not possible, you can use a virtual link to connect to the backbone through a non-backbone area. You can also use virtual links to connect two parts of a partitioned backbone through a non-backbone area. The area through which you configure the virtual link, known as a transit area, must have full routing information. The transit area cannot be a stub area. Virtual links are not ideal and should really only be used for temporary network solutions or migrations. However, if all locations are in a single OSPF area this is not needed.

Question No.144

A network administrator is troubleshooting an EIGRP problem on a router and needs to confirm the IP addresses of the devices with which the router has established adjacency. The retransmit interval and the queue counts for the adjacent routers also need to be checked. What command will display the required information?

  1. Router# show ip eigrp adjacency

  2. Router# show ip eigrp topology

  3. Router# show ip eigrp interfaces

  4. Router# show ip eigrp neighbors

Correct Answer: D

Explanation:

Below is an example of the show ip eigrp neighbors command. The retransmit interval (Smooth Round Trip Timer ?SRTT) and the queue counts (Q count, which shows the number of queued EIGRP packets) for the adjacent routers are listed:

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Question No.145

Refer to the graphic. A static route to the 10.5.6.0/24 network is to be configured on the HFD router. Which commands will accomplish this? (Choose two.)

image

A. HFD(config)# ip route 10.5.6.0 0.0.0.255 fa0/0

B. HFD(config)# ip route 10.5.6.0 0.0.0.255 10.5.4.6

C. HFD(config)# ip route 10.5.6.0 255.255.255.0 fa0/0

D. HFD(config)# ip route 10.5.6.0 255.255.255.0 10.5.4.6

E. HFD(config)# ip route 10.5.4.6 0.0.0.255 10.5.6.0

F. HFD(config)# ip route 10.5.4.6 255.255.255.0 10.5.6.0

Correct Answer: CD

Explanation:

The simple syntax of static route:

ip route destination-network-address subnet-mask {next-hop-IP-address | exit-interface}

destination-network-address: destination network address of the remote network

subnet mask: subnet mask of the destination network

next-hop-IP-address: the IP address of the receiving interface on the next-hop router

exit-interface: the local interface of this router where the packets will go out In the statement quot;ip route 10.5.6.0 255.255.255.0 fa0/0:

10.5.6.0 255.255.255.0: the destinationnetwork

fa0/0: the exit-interface

Question No.146

Which two are advantages of static routing when compared to dynamic routing? (Choose two.)

  1. Configuration complexity decreases as network size increases.

  2. Security increases because only the network administrator may change the routing table.

  3. Route summarization is computed automatically by the router.

  4. Routing tables adapt automatically to topology changes.

  5. An efficient algorithm is used to build routing tables, using automatic updates.

  6. Routing updates are automatically sent to neighbors.

  7. Routing traffic load is reduced when used in stub network links.

    Correct Answer: BG

    Explanation:

    Since static routing is a manual process, it can be argued that it is more secure (and more prone to human errors) since the network administrator will need to make changes to the routing table directly. Also, in stub networks where there is only a single uplink connection, the load is reduced as stub routers just need a single static default route, instead of many routes that all have the same next hop IP address.

    Question No.147

    Refer to the exhibit. The two exhibited devices are the only Cisco devices on the network. The

    serial network between the two devices has a mask of 255.255.255.252. Given the output that is shown, what three statements are true of these devices? (Choose three.)

    image

    1. The Manchester serial address is 10.1.1.1.

    2. The Manchester serial address is 10.1.1.2.

    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.

Correct Answer: ACE

Explanation:

From the output, we learn that the IP address of the neighbor router is 10.1.1.2 and the question stated that the subnet mask of the network between two routers is 255.255.255.252. 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 10.1.1.1 -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 quot;Interfacequot; refers to the local port on the local router, in this case it is the port of Manchester router, and quot;Port ID (outgoing port)quot; refers to the port on the neighbor router.

Question No.148

What is the default maximum number of equal-cost paths that can be placed into the routing table of a Cisco OSPF router?

A.

2

B.

8

C.

16

D.

unlimited

Correct Answer: B

Explanation:

maximum-paths (OSPF)

To control the maximum number of parallel routes that Open Shortest Path First (OSPF) can support, use the maximum-paths command.

Syntax Description maximum

Maximum number of parallel routes that OSPF can install in a routing table. The range is from 1 to 16 routes.

Command Default 8 paths

Question No.149

If IP routing is enabled, which two commands set the gateway of last resort to the default gateway? (Choose two.)

A. ip default-gateway 0.0.0.0

B. ip route 172.16.2.1 0.0.0.0 0.0.0.0

C. ip default-network 0.0.0.0

D. ip default-route 0.0.0.0 0.0.0.0 172.16.2.1

E. ip route 0.0.0.0 0.0.0.0 172.16.2.1

Correct Answer: CE

Explanation:

Both the quot;ip default-networkquot; and quot;ip route 0.0.0.0 0.0.0.0 (next hop)quot; commands can be used to set the default gateway in a Cisco router.

Question No.150

Refer to the exhibit. A network associate has configured OSPF with the command: City(config-router)# network 192.168.12.64 0.0.0.63 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.)

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  1. FastEthernet0 /0

  2. FastEthernet0 /1

  3. Serial0/0

  4. Serial0/1.102

  5. Serial0/1.103

  6. Serial0/1.104

Correct Answer: BCD

Explanation:

The quot;network 192.168.12.64 0.0.0.63 equals to network 192.168.12.64/26. This network has:

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

Network address: 192.168.12.64

Broadcast address: 192.168.12.127

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

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