Download Interconnecting Cisco Networking Devices Part 1 (ICND1 v3-0).prep4sure.100-105.2019-10-23.1e.426q.vcex

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Exam Interconnecting Cisco Networking Devices Part 1 (ICND1 v3.0)
Number 100-105
File Name Interconnecting Cisco Networking Devices Part 1 (ICND1 v3-0).prep4sure.100-105.2019-10-23.1e.426q.vcex
Size 27.05 Mb
Posted October 23, 2019
Downloads 286
Download Interconnecting Cisco Networking Devices Part 1 (ICND1 v3-0).prep4sure.100-105.2019-10-23.1e.426q.vcex

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Demo Questions

Question 1

Which address type does a switch use to make selective forwarding decisions?

  • A: destination IP address
  • B: source MAC address
  • C: source IP address
  • D: source and destination IP address
  • E: destination MAC address

Correct Answer: E

Switches analyze the destination MAC to make its forwarding decision since it is a layer 2 device. 
Routers use the destination IP address to make forwarding decisions.




Question 2

In which two ways does TCP differ from UDP? (Choose two.)

  • A: TCP provides synchronized communication.
  • B: TCP segments are essentially datagrams.
  • C: TCP provides sequence numbering of packets.
  • D: TCP uses broadcast delivery.
  • E: TCP provides best effort delivery.

Correct Answer: AC

TCP differs from UDP in the following ways: TCP provides best effort delivery.
TCP provides synchronized communication. TCP segments are essentially datagrams. 
TCP provides sequence numbering of packets. TCP uses broadcast delivery.




Question 3

Which destination IP address can a host use to send one message to multiple devices across different subnets?

  • A: 172.20.1.0
  • B: 127.0.0.1
  • C: 192.168.0.119
  • D: 239.255.0.1

Correct Answer: D

Multicast is a networking protocol where one host can send a message to a special multicast IP address and one or more network devices can listen for and receive those messages. 
Multicast works by taking advantage of the existing IPv4 networking infrastructure, and it does so in something of a weird fashion. As you read, keep in mind that things are a little confusing because multicast was "shoe-horned" in to an existing technology. For the rest of this article, let's use the multicast IP address of 239.255.0.1.




Question 4

Which option must occur before a workstation can exchange HTTP packets with a web server?

  • A: An ICMP connection must be established between the workstation and the web server.
  • B: A UDP connection must be established between the workstation and its default gateway.
  • C: A TCP connection must be established between the workstation and its default gateway.
  • D: A UDP connection must be established between the workstation and the web server.
  • E: An ICMP connection must be established between the workstation and its default gateway.
  • F: A TCP connection must be established between the workstation and the web server.

Correct Answer: F

HTTP uses TCP port 80. 
http://pentestlab.wordpress.com/2012/03/05/common-tcpip-ports/




Question 5

Which route source code represents the routing protocol with a default administrative distance of 90 in the routing table?

  • A: S
  • B: E
  • C: D
  • D: R
  • E: O

Correct Answer: C

S Static 
E EGP 
D EIGRP 
R RIP 
O OSPF 
Default Administrative distance of EIGRP protocol is 90 then answer is C. 

  

Default Distance Value TableThis table lists the administrative distance default values of the protocols that Cisco supports:
Route Source 
Default Distance Values 
Connected interface 
Static route 
Enhanced Interior Gateway Routing Protocol (EIGRP) summary route External Border Gateway Protocol (BGP) 
Internal EIGRP 
IGRP 
OSPF 
Intermediate System-to-Intermediate System (IS-IS) Routing Information Protocol (RIP) Exterior Gateway Protocol (EGP) 
On Demand Routing (ODR) 
External EIGRP 
Internal BGP 
Unknown*




Question 6

Refer to the exhibit. 

  

A TFTP server has recently been instated in the Atlanta office. The network administrator is located in the NY office and has made a console connection to the NY router. After establishing the connection they are unable to backup the configuration file and iOS of the NY router to the TFTP server. What is the cause of this problem?

  • A: The TFTP server has an incorrect subnet mask.
  • B: The TFTP server has an incorrect IP address.
  • C: The network administrator computer has an incorrect IP address.
  • D: The NY router has an incorrect subnet mask.

Correct Answer: A

The subnet mask of the TFTP server needs to be in the same subnet as the default gateway.




Question 7

Which MTU size can cause a baby giant error?

  • A: 1500
  • B: 9216
  • C: 1600
  • D: 1518

Correct Answer: C

Standard Ethernet frame MTU is 1500 bytes. This does not include the Ethernet header and Cyclic Redundancy Check (CRC) trailer, which is 18 bytes in length, to make the total Ethernet frame size of 1518. In this document, MTU size or packet size refers only to Ethernet payload. Ethernet frame size refers to the whole Ethernet frame, including the header and the trailer. Baby giant frames refer to Ethernet frame size up to 1600 bytes, and jumbo frame refers to Ethernet frame size up to 9216 bytes. 
Reference: http://www.cisco.com/c/en/us/support/docs/switches/catalyst-4000-series-switches/29805-175.html




Question 8

Which statement about static routes is true?

  • A: The source interface can be configured to make routing decisions.
  • B: A subnet mask is entered for the next-hop address.
  • C: The subnet mask is 255.255.255.0 by default.
  • D: The exit interface can be specified to indicate where the packets will be routed.

Correct Answer: D

Static routing can be used to define an exit point from a router when no other routes are available or necessary. This is called a default route.




Question 9

Which two statements describe the IP address 10.16.3.65/23? (Choose two.)

  • A: The lowest host address in the subnet is 10.16.2.1 255.255.254.0.
  • B: The last valid host address in the subnet is 10.16.2.254 255.255.254.0.
  • C: The network is not subnetted.
  • D: The broadcast address of the subnet is 10.16.3.255 255.255.254.0.
  • E: The subnet address is 10.16.3.0 255.255.254.0.

Correct Answer: AD

The mask 255.255.254.0 (/23) used with a Class A address means that there are 15 subnet bits and 9 host bits. The block size in the third octet is 2 (256 - 254). So this makes the subnets in 0, 2, 4, 6, etc., all the way to 254. The host 10.16.3.65 is in the 2.0 subnet. The next subnet is 4.0, so the broadcast address for the 2.0 subnet is 3.255. The valid host addresses are 2.1 through 3.254




Question 10

Which function enables an administrator to route multiple VLANs on a router?

  • A: IEEE 802.1X
  • B: HSRP
  • C: port channel
  • D: router on a stick

Correct Answer: D










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