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Cisco 100-150덤프구매에 관심이 있는데 선뜻 구매결정을 하지 못하는 분이라면 사이트에 있는 demo를 다운받아 보시면Cisco 100-150시험패스에 믿음이 생길것입니다. Cisco 100-150덤프는 시험문제변경에 따라 업데이트하여 항상 가장 최선버전이도록 유지하기 위해 최선을 다하고 있습니다.
질문 # 67
You purchase a new Cisco switch, turn it on, and connect to its console port. You then run the following command:
For each statement about the output, select True or False.
Note: You will receive partial credit for each correct selection.
정답：
설명：
Explanation:
* The two interfaces are administratively shut down:
* False: The output does not show any "shutdown" command under the interfaces, which would indicate that they are administratively shut down. Therefore, they are likely in their default state, which is administratively up.
* The two interfaces have default IP addresses assigned:
* False: The output does not show any IP address configuration. In the default state, interfaces do not have IP addresses assigned unless explicitly configured.
* The two interfaces can communicate over Layer 2:
* True: By default, interfaces on a switch are Layer 2 interfaces capable of forwarding Ethernet frames. As there is no configuration provided that changes this, it can be assumed they can communicate over Layer 2.
* Interface Status: The absence of the "shutdown" command means the interfaces are not administratively shut down.
* IP Address Assignment: There is no evidence in the output that IP addresses have been assigned to the interfaces, which would typically be shown as "ip address" entries.
* Layer 2 Communication: Switch interfaces in their default state operate at Layer 2, enabling them to forward Ethernet frames and participate in Layer 2 communication.
References:
* Cisco IOS Interface Configuration: Cisco Interface Configuration
* Understanding Cisco Switch Interfaces: Cisco Switch Interfaces
질문 # 68
Which protocol allows you to securely upload files to another computer on the internet?
정답：C
설명：
SFTP, or Secure File Transfer Protocol, is a protocol that allows for secure file transfer capabilities between networked hosts. It is a secure extension of the File Transfer Protocol (FTP). SFTP encrypts both commands and data, preventing passwords and sensitive information from being transmitted openly over the network. It is typically used for secure file transfers over the internet and is built on the Secure Shell (SSH) protocol1.
Reference: =
* What Is SFTP? (Secure File Transfer Protocol)
* How to Use SFTP to Safely Transfer Files: A Step-by-Step Guide
* Secure File Transfers: Best Practices, Protocols And Tools
The Secure File Transfer Protocol (SFTP) is a secure version of the File Transfer Protocol (FTP) that uses SSH (Secure Shell) to encrypt all commands and data. This ensures that sensitive information, such as usernames, passwords, and files being transferred, are securely transmitted over the network.
* ICMP (Internet Control Message Protocol) is used for network diagnostics and is not designed for file transfer.
* NTP (Network Time Protocol) is used to synchronize clocks between computer systems and is not related to file transfer.
* HTTP (HyperText Transfer Protocol) is used for transmitting web pages over the internet and does not inherently provide secure file transfer capabilities.
Thus, the correct protocol that allows secure uploading of files to another computer on the internet is SFTP.
Reference: =
* Cisco Learning Network
* SFTP Overview (Cisco)
질문 # 69
HOTSPOT
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.
tcp: 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.
Reference: Wireshark Filters: Wireshark Display Filters
질문 # 70
A help desk technician receives a report that a user is experiencing network connectivity issues.
The help desk supervisor advises the technician to use a bottom-up troubleshooting method to determine the cause of the problem.
Which two potential issues would the technician check first using the bottom-up method?
(Choose two.)
정답：B,C
설명：
The bottom-up troubleshooting method begins at the physical layer, so the first checks focus on hardware and connectivity media. A failed network interface card and incorrect or damaged cables are both physical-layer problems that should be verified before moving up to configuration or service-related causes.
질문 # 71
Which topology connects all devices to a central device such as a switch or hub in a network design?
정답：C
설명：
In a star topology, all devices connect to a central device, making management easier and isolating failures to individual links rather than affecting the entire network.
질문 # 72
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