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Exam Interconnecting Cisco Networking Devices Part 2 (ICND2 v3.0)
Number 200-105
File Name Interconnecting Cisco Networking Devices Part 2 (ICND2 v3-0).lead2pass.200-105.2018-09-26.1e.313q.vcex
Size 17.68 Mb
Posted September 26, 2018
Downloaded 36



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Demo Questions

Question 1

Scenario 
Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. 
You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices. 
Use appropriate show commands to troubleshoot the issues and answer all four questions. 
Instructions 
Enter Cisco IOS commands on the device to verify network operation and answer the multiple-choice questions. 
THIS TASK DOES NOT REQUIRE DEVICE CONFIGURATION. 
Click on the device to gain access to the console of the device. No console or enable passwords are required. 
To access the multiple-choice questions, click on the numbered boxes on the left of the top panel. 
There are four multiple-choice questions with this task. Be sure to answer all four questions before clicking the Next button. 

  

  

  

  

  

  

  

An OSPF neighbor adjacency is not formed between R3 in the main office and R6 in the Branch3 office. What is causing the problem?

  • A: There is an area ID mismatch.
  • B: There is a PPP authentication issue; the username is not configured on R3 and R6.
  • C: There is an OSPF hello and dead interval mismatch.
  • D: The R3 router ID is configured on R6.

Correct Answer: D




Question 2

Scenario 
Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. 
You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices. 
Use appropriate show commands to troubleshoot the issues and answer all four questions. 
Instructions 
Enter Cisco IOS commands on the device to verify network operation and answer the multiple-choice questions. 
THIS TASK DOES NOT REQUIRE DEVICE CONFIGURATION. 
Click on the device to gain access to the console of the device. No console or enable passwords are required. 
To access the multiple-choice questions, click on the numbered boxes on the left of the top panel. 
There are four multiple-choice questions with this task. Be sure to answer all four questions before clicking the Next button. 

  

  

  

  

  

  

  

R1 does not form an OSPF neighbor adjacency with R2. Which option would fix the issue?

  • A: R1 ethernet0/1 is shutdown. Configure the no shutdown command.
  • B: R1 ethernet0/l configured with a non-default OSPF hello interval of 25; configure no ip ospf hello-interval 25.
  • C: R2 ethernet0/1 and R3 ethernet0/0 are configured with a non-default OSPF hello interval of 25; configure no ip ospf hello-interval 25.
  • D: Enable OSPF for R1 ethernet0/l; configure ip ospf 1 area 0 command under ethernet0/1.

Correct Answer: B




Question 3

Scenario 
Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. 
You are required to troubleshoot and resolve OSPF neighbor adjacency issues between the main office and the routers located in the remote branch offices. 
Use appropriate show commands to troubleshoot the issues and answer all four questions. 
Instructions 
Enter Cisco IOS commands on the device to verify network operation and answer the multiple-choice questions. 
THIS TASK DOES NOT REQUIRE DEVICE CONFIGURATION. 
Click on the device to gain access to the console of the device. No console or enable passwords are required. 
To access the multiple-choice questions, click on the numbered boxes on the left of the top panel. 
There are four multiple-choice questions with this task. Be sure to answer all four questions before clicking the Next button. 

  

  

  

  

  

  

  

An OSPF neighbor adjacency is not formed between R3 in the main office and R5 in the Branch2 office. What is causing the problem?

  • A: There is an area ID mismatch.
  • B: There is a PPP authentication issue; a password mismatch.
  • C: There is an OSPF hello and dead interval mismatch.
  • D: There is a missing network command in the OSPF process on R5.

Correct Answer: C

The “show ip ospf interface command on R3 and R5 shows that the hello and dead intervals do not match. They are 50 and 200 on R3 and 10 and 40 on R5.




Question 4

What is the advantage of using a multipoint interface instead of point-to-point subinterfaces when configuring a Frame Relay hub in a hub-and-spoke topology?

  • A: It avoids split-horizon issues with distance vector routing protocols.
  • B: IP addresses can be conserved if VLSM is not being used for subnetting.
  • C: A multipoint interface offers greater security compared to point-to-point subinterface configurations.
  • D: The multiple IP network addresses required for a multipoint interface provide greater addressing flexibility over point-to-point configurations.

Correct Answer: B

you do not have to assign a separate subnet per sub-interface. If you're using a Class A network (10.x.x.x/8), you blow the whole network on a few connections (if you used VLSM, you could use a better mask, limit the addresses used). if you used 10.0.0.0/8, you would not be assigning the entire /8 to a single network. You would select a subnet mask for the network and then, you would have to use that mask with all subnets of the network. So if you chose a /24 mask, that would mean that you would have to use a /24 mask for even point-to-point links.




Question 5

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

Correct Answer: BD

Frame Relay Commands (map-class frame-relay through threshold ecn) 
http://www.cisco.com/en/US/docs/ios/12_2/wan/command/wrffr4.html#wp102934
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 6

Which protocol is an open standard protocol framework that is commonly used in VPNs, to provide secure end-to-end communications?

  • A: RSA
  • B: L2TP
  • C: IPsec
  • D: PPTP

Correct Answer: C

Internet Protocol Security (IPsec) is a technology protocol suite for securing Internet Protocol (IP)  
communications by authenticating and/or encrypting each IP packet of a communication session. IPsec also includes protocols for establishing mutual authentication between agents at the beginning of the session and negotiation of cryptographic keys to be used during the session.




Question 7

At which layer of the OSI model does PPP perform?

  • A: Layer 2
  • B: Layer 3
  • C: Layer 4
  • D: Layer 5

Correct Answer: A

Point-to-Point Protocol (PPP) is a data link protocol commonly used in establishing a direct connection between two networking nodes. It can provide connection authentication, transmission encryption (using ECP, RFC 1968), and compression.




Question 8

The command show frame-relay map gives the following output:
Serial 0 (up): ip 192.168.151.4 dlci 122, dynamic, b
roadcast, status defined, active 
Which statements represent what is shown? (Choose three.)

  • A: 192.168.151.4 represents the IP address of the remote router
  • B: 192.168.151.4 represents the IP address of the local serial interface
  • C: DLCI 122 represents the interface of the remote serial interface
  • D: DLCI 122 represents the local number used to connect to the remote address
  • E: broadcast indicates that a dynamic routing protocol such as RIP v1 can send packets across this PVC
  • F: active indicates that the ARP process is working

Correct Answer: ADE

http://www.cisco.com/en/US/docs/ios/12_2/wan/command/reference/wrffr4.html#wp1029343

  




Question 9

What can be done to Frame Relay to resolve split-horizon issues? (Choose two.)

  • A: Disable Inverse ARP.
  • B: Create a full-mesh topology.
  • C: Develop multipoint subinterfaces.
  • D: Configure point-to-point subinterfaces.
  • E: Remove the broadcast keyword from the frame-relay map command.

Correct Answer: BD

IP split horizon checking is disabled by default for Frame Relay encapsulation to allow routing updates to go in and out of the same interface. An exception is the Enhanced Interior Gateway Routing Protocol (EIGRP) for which split horizon must be explicitly disabled. Certain protocols such as AppleTalk, transparent bridging, and Internetwork Packet Exchange (IPX) cannot be supported on partially meshed networks because they require split horizon to be enabled (a packet received on an interface cannot be transmitted over the same interface, even if the packet is received and transmitted on different virtual circuits). Configuring Frame Relay subinterfaces ensures that a single physical interface is treated as multiple virtual interfaces. This capability allows you to overcome split horizon rules so packets received on one virtual interface can be forwarded to another virtual interface, even if they are configured on the same physical interface.




Question 10

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.)

  • A: reduced cost
  • B: better throughput
  • C: broadband incompatibility
  • D: increased security
  • E: scalability
  • F: reduced latency

Correct Answer: ADE

http://www.cisco.com/en/US/products/ps5743/Products_Sub_Category_Home.html#~Benefits
Enhance Productivity and Cut Costs 
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










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