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지난 몇년동안 IT산업의 지속적인 발전과 성장을 통해Cisco 인증100-150시험은 IT인증시험중의 이정표로 되어 많은 인기를 누리고 있습니다. IT인증시험을DumpTOP덤프로 준비해야만 하는 이유는DumpTOP덤프는 IT업계전문가들이 실제시험문제를 연구하여 시험문제에 대비하여 예상문제를 제작했다는 점에 있습니다.
| 주제 | 소개 |
|---|---|
| 주제 1 |
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| 주제 2 |
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| 주제 3 |
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다른 사이트에서도Cisco 100-150인증시험관련 자료를 보셨다고 믿습니다.하지만 우리 DumpTOP의 자료는 차원이 다른 완벽한 자료입니다.100%통과 율은 물론DumpTOP을 선택으로 여러분의 직장생활에 더 낳은 개변을 가져다 드리며 ,또한DumpTOP를 선택으로 여러분은 이미 충분한 시험준비를 하였습니다.우리는 여러분이 한번에 통과하게 도와주고 또 일년무료 업데이트서비스도 드립니다.
질문 # 33
A user reports that a company website is not available. The help desk technician issues a tracert command to determine if the server hosting the website is reachable over the network. The output of the command is shown as follows:
What can you tell from the command output?
정답：C
설명：
The tracert command output shows the path taken to reach the destination IP address, 192.168.1.10. The command output indicates:
* Hops 1 and 2 are successfully reached.
* Hop 3 times out, meaning the router at hop 3 did not respond to the tracert request. However, this does not necessarily indicate a problem with forwarding packets, as some routers may be configured to block or not respond to ICMP requests.
* Hops 4 and 5 are successfully reached, with hop 5 being the destination IP 192.168.1.10, indicating that the server is reachable.
Thus, the correct answer is C. The server with the address 192.168.1.10 is reachable over the network.
References :=
* Cisco Traceroute Command
* Understanding Traceroute
The tracert command output indicates that the server with the address 192.168.1.10 is reachable over the network. The asterisk (*) at hop 3 suggests that the probe sent to that hop did not return a response, which could be due to a variety of reasons such as a firewall blocking ICMP packets or the router at that hop being configured not to respond to ICMP requests. However, since the subsequent hops (4 and 5) are showing response times, it means that the packets are indeed getting through and the server is reachable12.
References :=
* How to Use Traceroute Command to Read Its Results
* How to Use the Tracert Command in Windows
질문 # 34
Move each network type from the list on the left to the correct example on the right.
정답：
설명：
* Two home office computers are connected to a switch by Ethernet cables.
* Network Type: LAN (Local Area Network)
* Explanation: A LAN connects devices within a limited area such as a home, office, or building, using Ethernet cables or Wi-Fi.
* Three government buildings in the same city connect to a cable company over coaxial cables.
* Network Type: MAN (Metropolitan Area Network)
* Explanation: A MAN connects networks across a city or campus, often using fiber optic or coaxial cables.
* A cell phone connects to a Bluetooth headset.
* Network Type: PAN (Personal Area Network)
* Explanation: A PAN connects devices within a personal workspace, typically using wireless technologies like Bluetooth.
* A financial institution connects its branches through a telecommunications service provider.
* Network Type: WAN (Wide Area Network)
* Explanation: A WAN connects multiple LANs over long distances, often using leased lines or satellite links provided by telecommunications companies.
* LAN (Local Area Network): Used for connecting devices within a small geographical area such as a single building or home.
* MAN (Metropolitan Area Network): Covers a larger geographical area than a LAN, typically a city or campus.
* PAN (Personal Area Network): Connects devices within the range of an individual person, such as connecting a phone to a Bluetooth headset.
* WAN (Wide Area Network): Spans large geographical areas, connecting multiple LANs across cities, countries, or continents.
References:
* Network Types Overview: Cisco Networking Basics
* Understanding Different Network Types: Network Types Guide
질문 # 35
You have two switches that are connected as shown in the image.
Refer to the switch topology diagram supplied in the question.
The laptop is connected to port A on the first switch. The second switch is connected to port D on the first switch.
The laptop sends a broadcast frame to the first switch.
You need to identify the ports through which the broadcast frame is forwarded.
Which ports should you identify?
정답：A
설명：
Ethernet switches operate primarily at Layer 2 of the OSI model and use MAC addresses to determine how Ethernet frames should be forwarded.
A broadcast Ethernet frame uses the destination MAC address FF:FF:FF:FF:FF:FF, indicating that the frame is intended for all devices within the same Layer 2 broadcast domain.
When the laptop sends a broadcast frame into port A, the first switch receives the frame and performs broadcast flooding.
Under normal switching operation, the switch forwards the broadcast frame through every eligible forwarding port in the same VLAN, except the port on which the frame was received.
In the supplied topology:
* Port A: Receives the broadcast frame and does not forward it back toward the laptop.
* Port B: Forwards the broadcast frame.
* Port C: Forwards the broadcast frame.
* Port D: Forwards the frame toward the second switch.
The second switch can subsequently flood the frame through its eligible ports belonging to the same VLAN.
Why the other options are incorrect:
A). Excludes ports B and C.
B). Excludes port D, which connects to the second switch.
D). Incorrectly includes the originating port A and excludes port C.
Therefore, Option C correctly identifies the forwarding ports, assuming all indicated ports belong to the same VLAN and are in a forwarding state.
References:
Cisco Certified Support Technician Networking (100-150) - Domain 4.0: Infrastructure, Objective 4.5:
Explain Basic Switching Concepts.
Cisco - Troubleshooting LAN Switching Environments, Frame Forwarding and Broadcast Flooding.
Cisco - Unicast Flooding in Switched Campus Networks, Layer 2 Forwarding Tables and VLAN Broadcast Domains.
질문 # 36
An engineer configured a new VLAN named VLAN2 for the Data Center team. When the team tries to ping addresses outside VLAN2 from a computer in VLAN2, they are unable to reach them.
What should the engineer configure?
정답：A
설명：
Hosts in VLAN2 require a default gateway (the router or SVI IP) to route traffic outside their subnet.
질문 # 37
An app on a user ' s computer is having problems downloading data. The app uses the following URL to download data:
https://www.companypro.net:7100/api
You need to use Wireshark to capture packets sent to and received from that URL.
Which Wireshark filter options would you use to filter the results? Complete the command by selecting the correct option from each drop-down list.
Note: You will receive partial credit for each correct selection.
정답：
설명：
Explanation:
To capture packets sent to and received from the URL https://www.companypro.net:7100/api using Wireshark, you would use the following filter options:
* Protocol : tcp
* Filter Type : port
* Port Number : 7100
This filter setup in Wireshark will display all TCP packets that are sent to or received from port 7100, which is the port specified in the URL for the API service. Since HTTPS typically uses TCP as the transport layer protocol, filtering by TCP and the specific port number will help isolate the relevant packets for troubleshooting the app's data download issues.
* cp: The app is using HTTPS, which relies on the TCP protocol for communication.
* port: The specific port number used by the application, which in this case is 7100.
* 7100: This is the port specified in the URL ( https://www.companypro.net:7100/api ).
This filter will capture all TCP traffic on port 7100, allowing you to analyze the packets related to the application ' s data download.
References:
Wireshark Filters: Wireshark Display Filters
질문 # 38
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