Understanding Network Performance Metrics

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What does 'Destination net unreachable' indicate?

The network resources are easily accessible

There is a problem with the router or the down IP address being reached (correct)

The router has responded within the maximum allotted time

The data packets are still traveling within the network

What does an '∗' symbol in RTT columns signify?

The router responded to the request within the maximum allotted time

The network is experiencing high traffic

The data packets are being transmitted efficiently

The router did not respond to the request within the maximum allotted time (correct)

Which network model involves each computer communicating directly with other computers, with no centralized control?

Client-server model

Bus topology network model

Ring topology network model

Peer-to-peer (P2P) network model (correct)

What is the key characteristic of a client-server network model?

Data or services are requested from a server by a client computer Signup and view all the answers

What happens in a network with a Peer-to-Peer Model?

Each computer has equal authority and can act as both client and server Signup and view all the answers

What is the main purpose of using the Traceroute network diagnostic tool?

To track the path of a packet from your computer to a destination Signup and view all the answers

Which unit is used to measure bandwidth?

Bits per second Signup and view all the answers

What does 'Request timed out' in Traceroute results typically indicate?

Firewall or security device blocking requests Signup and view all the answers

How is a bit usually represented?

'0' or '1' Signup and view all the answers

What does the 'Ping' utility function help determine?

Round trip delay time Signup and view all the answers

Which network performance aspect would traceroute help diagnose?

Routing issues Signup and view all the answers

What is the purpose of a computer network?

To enable computing devices to communicate and share resources Signup and view all the answers

How is network performance quantified?

By the speed and delay of communication in the network Signup and view all the answers

What is a protocol in the context of networking?

A set of rules ensuring communication among network devices from different manufacturers Signup and view all the answers

What is one-way delay in network communication?

The time taken for a message to travel from sender to receiver Signup and view all the answers

What is the OSI model in networking?

A seven-layer model that defines how applications communicate over a network Signup and view all the answers

In networking, what is the key element defining network speed?

The round trip delay between devices Signup and view all the answers

Which topology is formed when three switches are daisy-chained together in a single line?

Bus topology Signup and view all the answers

What type of topology results from combining different topologies?

Hybrid topology Signup and view all the answers

Which type of network spans a range of 5 - 50 km in diameter?

Metropolitan area network (MAN) Signup and view all the answers

Which type of network spans a region with a radius of 100,000 km, such as a state, country, or continent?

Wide area network (WAN) Signup and view all the answers

What is the largest type of network that can connect LANs spread over vast geographical areas?

Internet Signup and view all the answers

Which protocol is used for sending emails from a client to a recipient's email server?

SMTP Signup and view all the answers

What protocol is used to access emails from the server to clients?

POP3 Signup and view all the answers

What does a switch do in a network?

Regulates traffic and directs data to its intended destination Signup and view all the answers

What is the main purpose of a Network Interface Card (NIC)?

Connects a computer to a network Signup and view all the answers

Which protocol is used for secure file transfer between computers?

SFTP Signup and view all the answers