Cisco Networking Course Assessment

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What is the purpose of a hub in a network?

To connect devices within the same network segment.

Which layer of the OSI model is responsible for error detection and control?

Data Link Layer

What does CSMA/CD stand for in the context of Ethernet?

Carrier Sense Multiple Access with Collision Detection

In a wireless LAN, what does IEEE 802.11 refer to?

A standard for wireless communication Signup and view all the answers

What is the main difference between a bridge and a switch in networking?

Bridges operate at the physical layer while switches operate at the data link layer. Signup and view all the answers

Which of the following best describes the function of a router in a network?

To connect multiple networks together and route data between them. Signup and view all the answers

What is the role of switches in a packet-switched network?

Decide the order in which packets are transmitted Signup and view all the answers

What is the function of the input buffer in a switch?

Store packets that have just arrived to that link Signup and view all the answers

Which factor contributes to output buffer queuing delays in a packet-switched network?

Congestion in the network Signup and view all the answers

What does the processing time delay in a packet-switched network involve?

Forwarding time only Signup and view all the answers

How is the two-packet delay calculated in a packet-switched network?

$2(d_{propagation}+d_{transmission}) + d_{p.Time}$ Signup and view all the answers

What causes variable delays and depends on network congestion in a packet-switched network?

Output buffer queuing delays Signup and view all the answers

What technology is used to split traffic data into packets for routing over a shared network?

Packet-switching Signup and view all the answers

In packet-switched networks, what does the header of a packet contain?

Source and destination addresses Signup and view all the answers

What is the main characteristic of packet-switched networks in terms of data transfer initiation?

No call set-up before data transfer Signup and view all the answers

In the context of packet-switched networks, how are packets handled at each node?

Received, stored, and forwarded Signup and view all the answers

Which type of network technology allows many pairs of nodes to communicate over the same channel without requiring an established circuit?

Packet-switched networks Signup and view all the answers

What replaced telephones in the context of switched circuits to enable carrying computer data?

Modems Signup and view all the answers

What does the term 'open' refer to in the context of the network model described?

The ability to connect any two systems adhering to the reference model and standards Signup and view all the answers

What is the main purpose of dividing network communication into smaller parts as mentioned in the text?

To make it easier to understand how information travels through networks Signup and view all the answers

Which layer of the OSI reference model is responsible for explaining how packets travel through various layers to reach another device on the network?

Layer 3 - Network Signup and view all the answers

What is the OSI reference model primarily focused on achieving?

Facilitating communication between computers over different network mediums Signup and view all the answers

Which layer of the OSI model deals with establishing, maintaining, and terminating connections between applications?

Layer 5 - Session Signup and view all the answers

In terms of network compatibility, what does the OSI reference model aim to achieve for different types of hardware and software?

Enabling them to communicate with each other by adhering to standards Signup and view all the answers

In Circuit Switching, what happens if any link in the path between the Hosts is broken?

Communication is lost Signup and view all the answers

What type of topology describes the layout of the wire and devices, as well as the paths used by data transmissions?

Physical Topology Signup and view all the answers

Which topology defines how hosts communicate across the medium in a network?

Ring Logical Topology Signup and view all the answers

What is the main difference between Bandwidth availability in Circuit Switching and Packet Switching?

Bandwidth is variable in both Circuit and Packet Switching Signup and view all the answers

How is Bandwidth utilization different between Circuit Switching and Packet Switching?

Bandwidth utilization is full in Circuit Switching and partial in Packet Switching Signup and view all the answers

What type of transmission method does Circuit Switching employ compared to Packet Switching?

No store-and-forward transmission Signup and view all the answers