Computer Networking Bootcamp Module 2 Quiz

A client computer (Host 1) initiates a TCP connection by sending a SYN packet to a server (Host 2).

What will Host 2 send in response as part of the TCP three-way handshake?

ACK

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NAK

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SYN-ACK

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SYN-NAK

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SYN

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Layer 1

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Layer 2

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Layer 3

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Layer 4

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Which layer of the OSI model serves as the entry point for programs and user applications to access network services?

Application

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Transport

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Network

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Physical

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You are connected to a web server and click a link, but the browser displays a time-out message.

Which OSI layer is most likely responsible for this failure?

Application

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Transport

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Network

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Physical

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Which OSI model layer is responsible for code translation, character set conversion, and recognizing different data formats?

Application

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Presentation

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Session

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Network

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You are troubleshooting network devices and need to understand where they operate within the OSI model.

At which OSI layers do bridges, hubs, and routers primarily function?

Physical, Physical, Data Link

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Data Link, Data Link, Network

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Data Link, Physical, Network

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Physical, Data Link, Network

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Which OSI model layer is responsible for converting data into signals suitable for transmission over the medium (e.g., copper, fiber, wireless)?

Application

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Network

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Data Link

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Physical

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A receiving host detects that some TCP segments have not been received and acknowledged.

What can the host do to improve the reliability of the communication session?

Send a different source port number

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Restart the virtual circuit

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Decrease the sequence number

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Decrease the window size

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Which of the following Layer 1 devices can be used to extend the area covered by a single LAN segment? (Choose two.)

Switch

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NIC

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Hub

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Repeater

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RJ-45 transceiver

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At which OSI model layer does segmentation of a data stream occur?

Physical

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Data Link

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Network

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Transport

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When encapsulating data for transmission across a network, what is the correct order of encapsulation?

Data, frame, packet, segment, bits

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Segment, data, packet, frame, bits

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Data, segment, packet, frame, bits

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Data, segment, frame, packet, bits

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A network administrator is configuring a bridge to improve network performance.

Which two purposes does segmentation with a bridge serve? (Choose two.)

To add more broadcast domains.

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To create more collision domains.

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To add more bandwidth for users.

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To allow more broadcasts for users.

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Which OSI model layer provides acknowledgments, sequencing, and flow control to ensure reliable communication?

Layer 2 – Data Link

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Layer 3 – Network

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Layer 4 – Transport

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Layer 7 – Application

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Which of the following are valid types of flow control used in networking? (Choose all that apply.)

Buffering

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Cut-through

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Windowing

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Congestion avoidance

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VLANs

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What is the main purpose of flow control in network communication?

To ensure data is retransmitted if an acknowledgment is no received.

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To reassemble segments in the correct order at the destination device.

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To provide a way for the receiver to regulate how much data the sender transmits.

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To regulate the size of each segment.

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At which OSI layer does the Internet Protocol (IP) operate?

Transport

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Network

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Data Link

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Physical

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Which of the following is the highest layer in the OSI model?

Transport

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Session

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Network

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Presentation

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You are troubleshooting packet forwarding between networks and need to know where routers operate within the OSI model.

At which OSI layer do routers primarily perform their functions?

Physical

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Data Link

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Network

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Transport

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Application

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You need an easy way to remember the order of the OSI model layers (from top to bottom).

Which of the following mnemonic devices correctly represents the order?

All People Seem To Need Processed Data

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Always Should People Never Threaten Dog Police

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Please Do Not Throw Sausage Pizza Away

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All Day People Should Try New Professions

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Which IEEE standard defines the protocol for CSMA/CD, the access method used in traditional Ethernet networks?

802.2

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802.3

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802.5

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802.11

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Computer Networking Bootcamp Module 2 Quiz

Computer Networking Bootcamp Module 2 Quiz

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