cisco 100-101 icnd1 ccna routing and switching vce braindumps

100-101 ICND1Interconnecting Cisco Networking Devices Part 1

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100-101 ICND1 Exam Information



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Cisco 100-101 (ICND1) Exam Training


Course Description

Please note this course is the 1st part to gaining full CCNA certification, part two of this exam training, Cisco 100-101, (ICND2), is available here with 9 Chapters.

Chapter 1 – Understanding Networksand their Building BlocksChapter 2 – IP Addressing and SubnetsChapter 3 Introduction to Cisco Routers,Switches and IOSChapter 4 Introduction to IP RoutingChapter 5 Introduction to OSPFChapter 6 Switching and Spanning TreeProtocolChapter 7 VLANs and VTPChapter 8 – Access ListsChapter 9 – Network AddressTranslation (NAT)


About This Course


This Cisco 100-101 (ICND1) training course from Infinite Skills preparesyou for the Interconnecting Cisco Networking Devices Part 1 exam. TheICND1 exam gives you your CCENT (Cisco Certified Entry NetworkingTechnician) certification, and is a required exam for achieving your fullCCNA Routing and Switching certification. This tutorial covers the topicsrecommended by Cisco for the 100-101 (ICND1) exam.

The Cisco 100-101 exam tests your knowledge of the networkfundamentals required to install, operate, and troubleshoot a smallbranch office network. This video tutorial covers all of the recommendedtopics for this exam; operation of IP data networks, LAN switchingtechnologies, IPv4 and IPv6, Routing Technologies, DHCP, NAT and ACLs,network device security and basic troubleshooting.

Once you have completed this computer based video training course, youwill have a thorough understanding of the concepts you need for passingthe Cisco 100-101 (ICND1) exam. You will also be able to apply theseconcepts to building and managing a real-life client network.


How to take the Cisco 100-101 (ICND1) Exam


1. Find a test center near you (http://www.vue.com/cisco/) to take theCisco 100-101 (ICND1) certification exam, their will provide details on testcenter locations and schedules. This exam is typically priced around $150dollars.

2. Study the required material to pass the Cisco 100-101 (ICND1)examination. This course covers the material that is within the Cisco 100-101 (ICND1) certification exam, and will help put you in a great position tosucceed in the exam

3. Pass your exam!

4. Tell your friends how easy passing the Cisco 100-101 (ICND1) exam wasusing Infinite Skills training courses


What are the Requirements?


What are the requirements?• A Desire To LearnWhat am I going to get from this course?• Over 76 lectures and 6.5 hours of content!• Prepare Yourself For The Cisco Networking Devices

Part 1 ExamWhat is the target audience?• Any One Who Wishes To Become CCNA CertifiedWhat you get with this course?


Introduction to Networks (1)


Before you learn Cisco Internet working, it is important to understand what anetwork is and the importance of networks themselves. Simply put, a network is acollection of interconnected devices (such as computers, printers, etc.). Tounderstand the importance of networks, let us look at how things worked beforenetworks were created. For this, consider a large multinational company that sellsfood products in a time when networks did not exist.

Let us call this company ABC Inc. Imagine the amount of information such as sales,inventory, etc. required by the management of the company to make everydaydecisions. To get this information they will need to call their local offices. Their localoffices will need to mail (postal!) or fax printed reports or even send media(floppies!) though the postal service. By the time the mail is received, the data isalready days old. Even if reports are faxed, it will be a cumbersome task toconsolidate all reports. This task also increases chance of human error since largenumbers of reports are manually collated. This is just one part of the equation. Youalso need to consider the information required by the local offices. They also needvarious data from the head office and other offices around the world.



Now consider the same company, but in the present time with all their officesinterconnected. They would use a single application around the world that takes advantageof their global network. The data from all offices would be instantly stored at the centrallocation and with a single click, the management team can see data from around the worldin any format they like. This data would also be real-time. This means that they see it as itshappening. Since the data is centralized, any office location can see data pertaining to anylocation.

As you can see, the cost, time and effort involved in transferring data was much higherwithout networks. So networks decrease cost, time, and effort and thereby increaseproductivity. They also help in resource optimization by helping to share resources. A simpleexample of resource sharing is a printer in a typical office. Without networks, each computerwould require a dedicated printer. However with a network, the printer can be sharedbetween many different computers.

Now that you know how beneficial networks are, its time to look at how networks work.Figure 1-1 shows the most basic form of a network. This figure shows two hosts (end-userdevices such as computers are commonly called hosts in networking terms) directlyconnected to each other using a networking cable. Today every host has a Network InterfaceCard (NIC) that is used to connect it to a network.





One end of the network cable connects to the NIC on a host and theother connects to the network. In this case, the cable directlyconnects to another host. At this stage do not worry about networkcables and how the hosts communicate across the network. Thiswill be covered in detail later in the chapter. At this stage it isimportant to understand how hosts connect to a network.

In Figure 1-1, the hosts are “networked” and can shareinformation. This network is effective, but not scalable. If you havemore than 2 hosts to this “network”, it will not work without aseparate NIC card for each connection and that is not scalable orrealistic. For more than 2 hosts to be networked, you require anetwork device such as a hub. Figure 1-2 shows three hostsconnected to a hub.




A hub is a network device that repeats information received from a host to all other connects hosts. In Figure1-2 the hub will relay any information received from HostA to HostB and HostC. This means that all the threehosts can communicate with each other. Communication between hosts can be classified into three types:

Unicast – Communication from one host to another host only.Broadcast – Communication from one host to all the hosts in the network.Multicast – Communication from one host to few hosts only.When a hub is used to network hosts, there are two problems that arise:

A hub repeats information received from one host to all the other hosts. To understand this, consider HostAin Figure 1-2 sending a unicast message to HostB. When the hub receives this message; it will relay themessage to both HostB and HostC. Even though the message was a unicast intended only for HostB, HostCalso receives it. It is up to HostC to read the message and discard it after seeing that the message was notintended for it.A hub creates a shared network medium where only a single host can send packets at a time. If another hostattempts to send packets at the same time, a collision will occur. Then each device will need to resend theirpackets and hope not to have a collision again. This shared network medium is called a single collisiondomain. Imagine the impact of having a single collision domain where 50 or 100 hosts are connected to hubsthat are interconnected and they are all trying to send data. That is just a recipe for many collisions and aninefficient network.The problems associated with hubs can cause severe degradation of a network. To overcome these, switchesare used instead of hubs. Like hubs, switches are used to connect hosts in a network but switches break upcollision domain by providing a single collision domain for every port. This means that every host (one hostconnects to one port on the switch) gets its own collision domain thereby eliminating the collisions in thenetwork. With switches, each host can transmit data anytime. Switches simply “switch” the data from oneport to another in the switched network. Also, unlike hubs, switches do not flood every packet out all ports.They switch a unicast packet to the port where the destination host resides. They only flood out a broadcastpacket. Figure 1-3 shows a switched network.




Remember that each host in Figure 1-3 is in its own collision domain and if HostA sends a packet to HostC, HostB will not receive it.Figure 1-4 and 1-5 show two networks. See if you can figure out how many collision domains exist in them.




If you answered 5 for Figure 1-4, then you are absolutely correct since eachport of the Switches represent a single collision domain. If you answered morethan 5 then you need to remember that a hub does not break collisiondomains. Similarly, Figure 1-5 has 7 collision domains.

Now that you know how a switch works and improves a network, consider theone problem associated with a switched network. Earlier, you learned thathubs flood out all packets, even the unicast ones. A switch does not flood outunicast packets but it does flood out a broadcast packet. All hosts connected toa switched network are said to be in the same broadcast domain. All hostsconnected to it will receive any broadcast sent out in this domain. Whilebroadcasts are useful and essential for network operations, in a largeswitched network too many broadcasts will slow down the network. Toremedy this situation, networks are broken into smaller sizes and theseseparate networks are interconnected using routers. Routers do not allowbroadcasts to be transmitted across different networks it interconnects andhence effectively breaks up a broadcast domain. Figure 1-6 shows threeswitched networks interconnected by a router.




In the network shown in Figure 1-6, broadcasts from hostsconnected to Switch1 will not reach hosts connected to Switch2or Switch3. This is because the router will drop the broadcast onits receiving interface.

In addition to breaking up broadcast domains, routers alsoperform the following four essential functions in your network:

Packet Switching – At the barest minimum, routers are likeswitches because they essentially switch packets betweennetworks.

Communication between Networks – As shown in Figure 1-6,routers allow communication between networks connectedto it.

Path Selection – Routers can talk to each other to learn aboutall the networks connected to various routers and then selectthe best path to reach a network. This is function is discussedin detail later in the book.

Packet Filtering – Routers can drop or forward packets basedon certain criteria like their source and destination. This isalso discussed in detail later in the book.


Routing and Switching


Cisco Certified Entry Networking Technician (CCENT) validatesthe ability to install, operate and troubleshoot a small enterprisebranch network, including basic network security. With a CCENT,a network professional demonstrates the skills required forentry-level network support positions - the starting point formany successful careers in networking. The curriculum coversnetworking fundamentals, WAN technologies, basic security andwireless concepts, routing and switching fundamentals, andconfiguring simple networks. CCENT is the first step towardachieving CCNA, which covers medium-size enterprise branchnetworks with more complex connections.


CCENT Exams & Recommended Training


With three levels of membership, Cisco Learning Network(CLN) Premium can help you tailor an exam study strategythat allows you to progress at your own speed, based uponyour individual needs.Take the time you need to thoroughly prepare for your exams.Take a few months or up to a year to prepare for your exam(s).Select from three distinct levels, available in a variety ofsubscription lengths, to customize your study experience.

Try a short-term subscription to achieve more immediate goals.Subscribe for a one-year offering to get continual access to new contentand to get discounts on select learning products.Visit the product pages below to learn more about a CLN Premiumsubscription.


Topic break down


Individuals who get formal training on Cisco technologies demonstrate higher productivity, make fewer errors and possess more of the skills valued by employers and customers than those who receive only on-the-job training.

Individuals who get formal Cisco training will:

Improve speed, depth and quality of all customer interactions

Learn to manage Cisco networks through labs Experience real-life scenarios during their Cisco training Gain the knowledge to build an effective workforce

through network utilization


Cisco 100-101 Practice Test


Topic 1, Operation of IP Data Networks

Question No : 1 - (Topic 1)

Which OSI layer header contains the address of a

destination host that is on another network?

A. application

B. session

C. transport

D. network

E. data link

F. physical

Answer: network

Explanation: Explanation/Reference:

Only network address contains this information. To transmit

the packets the sender uses network address and datalink

address. But the layer 2 address represents just the address

of the next hop device on the way to the sender. It is

changed on each hop. Network address remains the same.





DRAG DROP

Answer:





Topic 2, LAN Switching Technologies

A switch has 48 ports and 4 VLANs. How many

collision and broadcast domains exist on the switch

(collision, broadcast)?

A. 4, 48

B. 48, 4

C. 48, 1

D. 1, 48

E. 4, 1

Answer: 48, 4

Explanation:

A switch uses a separate collision domain for each port, and

each VLAN is a separate broadcast domain.





Answer: 15

Refer to the exhibit.

All devices attached to the network are shown. How many

collision domains are present in

this network?

A. 2

B. 3

C. 6

D. 9

E. 15





Topic 3, IP addressing (IPv4 / IPv6)

Which one of the following IP addresses is the last

valid host in the subnet using mask

255.255.255.224?

A. 192.168.2.63

B. 192.168.2.62

C. 192.168.2.61

D. 192.168.2.60

E. 192.168.2.32

Answer: 192.168.2.62

Explanation: Explanation/Reference

With the 224 there are 8 networks with increments of 32

One of these is 32 33 62 63 where 63 is broadcast so 62 is

last valid host out of given choices.





Topic 4, IP Routing Technologies


Which command would you use to configure a static route on

Router1 to network 192.168.202.0/24 with a nondefault

administrative distance?

A. router1(config)#ip route 1 192.168.201.1 255.255.255.0

192.168.201.2

B. router1(config)#ip route 192.168.202.0 255.255.255.0

192.168.201.2 1

C. router1(config)#ip route 5 192.168.202.0 255.255.255.0

192.168.201.2

D. router1(config)#ip route 192.168.202.0 255.255.255.0

192.168.201.2 5

Answer:router1(config)#ip route 192.168.202.0

255.255.255.0 192.168.201.2 5





Topic 5, IP Services

DRAG DROP

Answer:





Topic 7, Troubleshooting


A person is trying to send a file from a host on Network A of the

JAX Company to a server on Network Z of the XYZ Company.

The file transfer fails. The host on Network A cancommunicate

with other hosts on Network A. Which command, issued from

router RTA, would be the most useful for troubleshooting this

problem?

A. show flash:

B. show history

C. show version

D. show interfaces

E. show controllers serial

Answer:

show interfaces





Topic 8, OSPF Questions

Refer to the graphic.

R1 is unable to establish an OSPF neighbor relationship with R3.

What are possible reasons for this problem?

(Choose two.)

A. All of the routers need to be configured for backbone Area 1.

B. R1 and R2 are the DR and BDR, so OSPF will not establish

neighbor adjacency with R3.

C. A static route has been configured from R1 to R3 and prevents

the neighbor adjacency from being established.

D. The hello and dead interval timers are not set to the same

values on R1 and R3.

E. EIGRP is also configured on these routers with a lower

administrative distance.

F. R1 and R3 are configured in different areas.

Answer:

The hello and dead interval timers are not set to the same values on

R1 and R3.

R1 and R3 are configured in different areas.





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.





R1 does not form an OSPF neighbor adjacency with R2. Which

option would fix the issue?

A. R1 ethernetO/1 is shutdown. Configure no shutdown

command.

B. R1 ethernetO/1 configured with a non-default OSPF hello

interval of 25: configure no ip ospf hello-interval 25

C. R2 ethernetO/1 and R3 ethernetO/O are configured with a

non-default OSPF hello interval of 25; configure no ip ospf hello-

interval 25

D. Enable OSPF for R1 ethernetO/1; configure ip ospf 1 area 0

command under ethernetO/1





Answer:

R1 ethernetO/1 configured with a non-default OSPF

hello interval of 25: configure no ip ospf hello-interval 25

Explanation:Looking at the configuration of R1, we see that R1 is

configured with a hello interval of 25 on interface Ethernet 0/1

while R2 is left with the default of 10 (not configured).


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