CCST-Networking PDF題庫，CCST-Networking認證考試解析

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Cisco CCST-Networking 考試大綱：

主題	簡介
主題 1	Diagnosing Problems: In the CCST-Networking exam, Cisco network technicians are tested on their ability to employ troubleshooting methodologies and help desk practices, perform packet captures with Wireshark, run and interpret diagnostic commands. It also tests their skills to differentiate data collection methods for network devices, and execute basic show commands on Cisco devices.
主題 2	Endpoints and Media Types: This topic in the CCST-Networking exam covers the identification of common cables and connectors used in LANs, distinguishing Wi-Fi, cellular. Additionally, it focuses on wired technologies, describing endpoint devices, and demonstrating connectivity setup and checks across multiple operating systems (Windows, Linux, Mac OS, Android, and Apple iOS).
主題 3	Infrastructure: The Cisco Certified Support Technician (CCST) Networking exam measures network technicians' skills in identifying Cisco device status lights, using network diagrams to attach cables, recognizing various network ports. It also focuses on explaining basic routing concepts and understanding basic switching concepts.

>> CCST-Networking PDF題庫 <<

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最新的 CCST CCST-Networking 免費考試真題 (Q18-Q23):

問題 #18
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.

答案：

解題說明：

Explanation:
To capture packets sent to and received from the URLhttps://www.companypro.net:7100/apiusing 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

問題 #19
Move each cloud computing service model from the list on the left to the correct example on the right Note: You will receive partial credit for each correct answer.

答案：

解題說明：

Explanation:
* Three virtual machines are connected by a virtual network in the cloud.
* Model: IaaS (Infrastructure as a Service)
* Explanation: IaaS provides virtualized computing resources over the internet, including virtual machines, storage, and networks.
* Users access a web-based graphics design application in the cloud for a monthly fee.
* Model: SaaS (Software as a Service)
* Explanation: SaaS delivers software applications over the internet, typically on a subscription basis, accessible via a web browser.
* A company develops applications using cloud-based resources and tools.
* Model: PaaS (Platform as a Service)
* Explanation: PaaS provides a platform allowing customers to develop, run, and manage applications without dealing with the infrastructure.
* IaaS (Infrastructure as a Service): Provides virtualized hardware resources that customers can use to build their own computing environments.
* PaaS (Platform as a Service): Offers a platform with tools and services to develop, test, and deploy applications.
* SaaS (Software as a Service): Delivers fully functional applications over the internet that users can access and use without managing the underlying infrastructure.
References:
* Cloud Service Models: Understanding IaaS, PaaS, SaaS
* NIST Definition of Cloud Computing:NIST Cloud Computing

問題 #20
For each statement about bandwidth and throughput, select True or False.
Note: You will receive partial credit for each correct selection.

答案：

解題說明：

Explanation:
* Statement 1: Low bandwidth can increase network latency.
* True: Low bandwidth can result in increased network latency because the network may become congested, leading to delays in data transmission.
* Statement 2: High levels of network latency decrease network bandwidth.
* False: High levels of network latency do not decrease the available network bandwidth, but they do affect the perceived performance and throughput of the network.
* Statement 3: You can increase throughput by decreasing network latency.
* True: Decreasing network latency can increase throughput because data can be transmitted more quickly and efficiently without delays.
* Bandwidth vs. Latency: Bandwidth refers to the maximum rate at which data can be transferred over a network path. Latency is the time it takes for a data packet to travel from the source to the destination.
* Low bandwidth can cause network congestion, which can increase latency as packets wait to be transmitted.
* High latency does not reduce the actual bandwidth but can affect the overall performance and efficiency of data transmission.
* Reducing latency can lead to higher throughput because the network can handle more data in a given period without delays.
References:
* Network Performance Metrics: Cisco Network Performance
* Understanding Bandwidth and Latency: Bandwidth vs. Latency

問題 #21
During the data encapsulation process, which OSI layer adds a header that contains MAC addressing information and a trailer used for error checking?

A. Network
B. Data Link
C. Session
D. Transport

答案：B

解題說明：

OSI model
During the data encapsulation process, theData Link layerof the OSI model is responsible for adding a header that contains MAC addressing information and a trailer used for error checking.The header typically includes the source and destination MAC addresses, while the trailer contains a Frame Check Sequence (FCS) which is used for error detection1.
The Data Link layer ensures that messages are delivered to the proper device on a LAN using hardware addresses and translates messages from the Network layer into bits for the Physical layer to transmit. It also controls how data is placed onto the medium and is received from the medium through the physical hardware.
References:=
* The OSI Model - The 7 Layers of Networking Explained in Plain English
* OSI Model - Network Direction
* Which layer adds both header and trailer to the data?
* What is OSI Model | 7 Layers Explained - GeeksforGeeks

問題 #22
A local company requires two networks in two new buildings. The addresses used in these networksmust be in the private network range.
Which two address ranges should the company use? (Choose 2.)
Note: You will receive partial credit for each correct selection.

A. 172.16.0.0 to 172.31.255.255
B. 11.0.0.0 to 11.255.255.255
C. 192.168.0.0 to 192.168.255.255
D. 192.16.0.0 to 192.16.255.255

答案：A,C

解題說明：
The private IP address ranges that are set aside specifically for use within private networks and not routable on the internet are as follows:
* Class A: 10.0.0.0 to 10.255.255.255
* Class B: 172.16.0.0 to 172.31.255.255
* Class C: 192.168.0.0 to 192.168.255.255
These ranges are defined by the Internet Assigned Numbers Authority (IANA) and are used for local communications within a private network123.
Given the options: A.172.16.0.0 to 172.31.255.255falls within the Class B private range. B.192.16.0.0 to
192.16.255.255is not a recognized private IP range. C.11.0.0.0 to 11.255.255.255is not a recognized private IP range. D.192.168.0.0 to 192.168.255.255falls within the Class C private range.
Therefore, the correct selections that the company should use for their private networks areAandD.
References:=
* Reserved IP addresses on Wikipedia
* Private IP Addresses in Networking - GeeksforGeeks
* Understanding Private IP Ranges, Uses, Benefits, and Warnings

問題 #23
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CCST-Networking認證考試解析: https://www.newdumpspdf.com/CCST-Networking-exam-new-dumps.html

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CCST-Networking PDF題庫，CCST-Networking認證考試解析

Cisco CCST-Networking 考試大綱：

高質量的Cisco CCST-Networking PDF題庫認證產品，是由Cisco公司一流的專業技術人員研發的

最新的 CCST CCST-Networking 免費考試真題 (Q18-Q23):

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