[Free] 2017(Oct) Dumps4cert Testinsides Cisco 200-105 Dumps with VCE and PDF Download 131-140

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Interconnecting Cisco Networking Devices Part 2 (ICND2 v3.0)

Question No: 131 – (Topic 4)

Refer to the exhibit.

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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.)

  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 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: 192.168.12.127Therefore all interface in the range of this network will join OSPF – B C D are correct.

Question No: 132 – (Topic 4)

Which encapsulation type is a Frame Relay encapsulation type that is supported by Cisco routers?

  1. IETF

  2. ANSI Annex D

  3. Q9333-A Annex A

  4. HDLC

Answer: A Explanation:

Cisco supports two Frame Relay encapsulation types: the Cisco encapsulation and the IETF Frame Relay encapsulation, which is in conformance with RFC 1490 and RFC 2427. The former is often used to connect two Cisco routers while the latter is used to connect a Cisco router to a non-Cisco router. You can test with your Cisco router when typing the command Router(config-if)#encapsulation frame-relay ? on a WAN link.

Note: Three LMI options are supported by Cisco routers are ansi, Cisco, and Q933a. They represent the ANSI Annex D, Cisco, and ITU Q933-A (Annex A) LMI types, respectively.

HDLC is a WAN protocol same as Frame-Relay and PPP so it is not a Frame Relay encapsulation type.

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Question No: 133 – (Topic 4)

Which command is used to enable CHAP authentication, with PAP as the fallback method, on a serial interface?

  1. Router(config-if)# ppp authentication chap fallback ppp

  2. Router(config-if)# ppp authentication chap pap

  3. Router(config-if)# authentication ppp chap fallback ppp

  4. Router(config-if)# authentication ppp chap pap

Answer: B Explanation:

The command “ppp authentication chap pap” command indicates the CHAP authentication is used first. If it fails or is rejected by other side then uses PAP instead. If you want to use PAP first (then CHAP) you can use the “ppp authentication pap chap” command Reference: http://www.cisco.com/en/US/docs/ios/12_2/security/configuration/guide/scfathen.html

Question No: 134 – (Topic 4)

In the Frame Relay network,

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which IP addresses would be assigned to the interfaces with point-to-point PVCs?

A. DLCI 16 192.168.10.1/24 DLCI 17 192.168.10.1/24

DLCI 99 192.168.10.2/24

DLCI 28 192.168.10.3/24

B. DLCI 16 192.168.10.1 /24

DLCI 17 192.168.11.1/24

DLCI 99 192.168.12.1/24

DLCI 28 192.168.13.1/24

C. DLCI 16 192.168.10.1/24 DLCI 17 192.168.11.1/24

DLCI 99 192.168.10.2/24

DLCI 28 192.168.11.2/24

D. DLCI 16 192.168.10.1/24 DLCI 17 192.168.10.2/24

DLCI 99 192.168.10.3/24

DLCI 28 192.168.10.4/24

Answer: C Explanation:

DLCI 16 and DLCI 19 need to act like a point-to-point link and will therefore need to be on the same network as will DLCI 17 and DLCI 28. With this information we can see that option quot;Bquot; is the only option that has the corresponding DLCI#39;s on the same network based on the ip addresses and subnetmask.

Option quot;Dquot; is incorrect because, this would put the same network on both interfaces of the R2 router. Option quot;Aquot; is similar.

Question No: 135 – (Topic 4)

The output of the show frame-relay pvc command shows quot;PVC STATUS = INACTIVEquot;. What does this mean?

  1. The PVC is configured correctly and is operating normally, but no data packets have been detected for more than five minutes.

  2. The PVC is configured correctly, is operating normally, and is no longer actively seeking the address of the remote router.

  3. The PVC is configured correctly, is operating normally, and is waiting for interesting traffic to trigger a call to the remote router.

  4. The PVC is configured correctly on the local switch, but there is a problem on the remote end of the PVC.

  5. The PVC is not configured on the local switch.

Answer: D

Explanation: The PVC STATUS displays the status of the PVC. The DCE device creates and sends the report to the DTE devices. There are 4 statuses:

ACTIVE: the PVC is operational and can transmit dataINACTIVE: the connection from the local router to the switch is working, but the connection to the remote router is not availableDELETED: the PVC is not present and no LMI information is being received from the Frame Relay switch STATIC: the Local Management Interface (LMI) mechanism on the interface is disabled (by using the “no keepalive” command). This status is rarely seen.

Question No: 136 – (Topic 4)

What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?

  1. defines the destination IP address that is used in all broadcast packets on DCLI 202

  2. defines the source IP address that is used in all broadcast packets on DCLI 202

  3. defines the DLCI on which packets from the 192.168.1.2 IP address are received

  4. defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP address

Answer: D Explanation:

Frame-relay map ip 192.168.1.2 202 command statically defines a mapping between a network layer address and a DLCI. The broadcast option allows multicast and broadcast packets to flow across the link.

The command frame-relay map ip 192.168.1.2 202 broadcast means to mapping the distal IP 192.168.1.2 202 to the local DLCI . When the “broadcast” keyword is included, it turns Frame Relay network as a broadcast network, which can forward broadcasts. http://www.cisco.com/en/US/docs/ios/wan/command/reference/wan_f2.html#wp1012264

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Question No: 137 – (Topic 4)

What are three reasons that an organization with multiple branch offices and roaming users might implement a Cisco VPN solution instead of point-to-point WAN links? (Choose three.)

  1. reduced cost

  2. better throughput

  3. broadband incompatibility

  4. increased security

  5. scalability

  6. reduced latency

Answer: A,D,E

Explanation: Cisco VPN solutions provide exceptional security through encryption and authentication technologies that protect data in transit from unauthorized access and attacks. A Cisco VPN helps you:

Use highly secure communications, with access rights tailored to individual users

Quickly add new sites or users, without significantly expanding your existing infrastructure Improve productivity by extending corporate networks, applications, and collaboration tools

Reduce communications costs while increasing flexibility

Question No: 138 – (Topic 4)

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

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

  2. the value of the local DLCI

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

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

  5. the IP address of the local router

Answer: B,D Explanation:

Frame Relay Commands (map-class frame-relay through threshold ecn) http://www.cisco.com/en/US/docs/ios/12_2/wan/command/reference/wrffr4.html#wp102934 3

Examples

The following is sample output from the show frame-relay map command: Router#show frame-relay map Serial 1 (administratively down): ip 10.108.177.177 dlci 177 (0xB1,0x2C10), static, broadcast,

CISCO

TCP/IP Header Compression (inherited), passive (inherited)

Question No: 139 – (Topic 4)

What is the purpose of LCP?

  1. to perform authentication

  2. to negotiate control options

  3. to encapsulate multiple protocols

  4. to specify asynchronous versus synchronous

Answer: B Explanation:

In order to be sufficiently versatile to be portable to a wide variety of environments, PPP provides a Link

Control Protocol (LCP). The LCP is used to automatically agree upon the encapsulation format options, handle varying limits on sizes of packets, detect a looped-back link and other common misconfiguration errors, and terminate the link. Other optional facilities provided are authentication of the identity of its peer on the link, and determination when a link is functioning properly and when it is failing.

Reference: Link Control Protocol

http://www.ietf.org/rfc/rfc1661.txt

Question No: 140 – (Topic 4)

It has become necessary to configure an existing serial interface to accept a second Frame Relay virtual circuit. Which of the following are required to solve this? (Choose three)

  1. configure static frame relay map entries for each subinterface network.

  2. remove the ip address from the physical interface

  3. create the virtual interfaces with the interface command

  4. configure each subinterface with its own IP address

  5. disable split horizon to prevent routing loops between the subinterface networks

  6. encapsulate the physical interface with multipoint PPP

    Answer: B,C,D Explanation:

    How To Configure Frame Relay Subinterfaces

    http://www.orbit-computer-solutions.com/How-To-Configure-Frame-Relay- Subinterfaces.php

    Step to configure Frame Relay subinterfaces on a physical interface:

    1. Remove any network layer address (IP) assigned to the physical interface. If the physical interface has an address, frames are not received by the local subinterfaces.

    2. Configure Frame Relay encapsulation on the physical interface using the encapsulation frame-relay command.

    3. For each of the defined PVCs, create a logical subinterface. Specify the port number,

      followed by a period (.) and the subinterface number. To make troubleshooting easier, it is suggested that the subinterface number matches the DLCI number.

    4. Configure an IP address for the interface and set the bandwidth.

    5. Configure the local DLCI on the subinterface using the frame-relay interface-dlci command.

      Configuration Example: R1gt;enable R1#configure terminal

      R1(config)#interface serial 0/0/0 R1(config-if)#no ip address

      R1(config-if)#encapsulation frame-relay R1(config-if)#no shutdown

      R1(config-if)#exit

      R1(config-subif)#interface serial 0/0/0.102 point-to-point R1(config-subif)#ip address 192.168.1.245 255.255.255.252

      R1(config-subif)#frame-relay interface-dlci 102 R1(config-subif)#end

      R1#copy running-config startup-config

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