CCST-Networking日本語試験無料問題集「Cisco Certified Support Technician (CCST) NetworkingExam (CCST-Networking日本語版) 認定」
各プロトコルを左側のリストから右側の正しい TCP/IP モデル レイヤーに移動します。
注意: 正解ごとに部分的な得点が与えられます。
注意: 正解ごとに部分的な得点が与えられます。
正解：
Explanation:
Here's how each protocol aligns with the correct TCP/IP model layer:
* TCP (Transmission Control Protocol): This protocol belongs to theTransportlayer, which is responsible for providing communication between applications on different hosts1.
* IP (Internet Protocol): IP is part of theInternetworklayer, which is tasked with routing packets across network boundaries to their destination1.
* FTP (File Transfer Protocol): FTP operates at theApplicationlayer, which supports application and end- user processes.It is used for transferring files over the network1.
* Ethernet: While not a protocol within the TCP/IP stack, Ethernet is associated with theNetwork Interfacelayer, which corresponds to the link layer of the TCP/IP model and is responsible for the physical transmission of data1.
The TCP/IP model layers are designed to work collaboratively to transmit data from one layer to another, with each layer having specific protocols that perform functions necessary for the data transmission process1.
* TCP:
* TCP Model Layer: Transport
* Explanation: The Transport layer is responsible for end-to-end communication and error handling. TCP (Transmission Control Protocol) operates at this layer to provide reliable, ordered, and error-checked delivery of data.
* IP:
* TCP Model Layer: Internetwork
* Explanation: The Internetwork layer, also known as the Internet layer, is responsible for logical addressing and routing. IP (Internet Protocol) operates at this layer to route packets across networks.
* FTP:
* TCP Model Layer: Application
* Explanation: The Application layer provides network services to applications. FTP (File Transfer Protocol) operates at this layer to transfer files between computers over a network.
* Ethernet:
* TCP Model Layer: Network
* Explanation: The Network layer, also known as the Link layer in the TCP/IP model, is responsible for physical addressing and access to thephysical medium. Ethernet operates at this layer to provide the physical and data link functions.
* Transport Layer: This layer is responsible for providing communication services directly to the application processes running on different hosts. TCP is a core protocol in this layer.
* Internetwork Layer: This layer is responsible for logical addressing, routing, and packet forwarding.
IP is the primary protocol for this layer.
* Application Layer: This layer interfaces directly with application processes and provides common network services. FTP is an example of a protocol operating in this layer.
* Network Layer: In the TCP/IP model, this layer includes both the data link and physical layers of the OSI model. Ethernet is a protocol used in this layer to define network standards and communication protocols at the data link and physical levels.
References:
* TCP/IP Model Overview: Cisco TCP/IP Model
* Understanding the TCP/IP Model: TCP/IP Layers
帯域幅とスループットに関する各ステートメントについて、True または False を選択します。
注意: 正しい選択ごとに部分的なポイントが付与されます。
注意: 正しい選択ごとに部分的なポイントが付与されます。
正解：
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