Computer Networks

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This tool overcomes the administration headaches of hardware probe and distributed analyzer by leveraging the data flow capture capabilities of the network device itself.

This technique enables peering into individual packets to determine their contents, the transaction between systems and the details of communications being passed along that network.

This command for configuring net flow on a Cisco router is used to terminate the configuration session and return to privileged EXEC mode.

This measurement technique is used to help to obtain valuable information about network users and applications, peak usage times and traffic routing.

This command for configuring netflow on a Cisco router is used to specify the options template export statistics, including how many flows have been exported.

TCP/IP (Transmission Control Protocol/Internet Protocol) is the fundamental suite of communication protocols used to interconnect network devices on the internet.

ARP maintains a cache or lookup table that maps known IP addresses to their corresponding physical MAC addresses on a local network segment.

An Ethernet frame includes fields for destination and source addresses, type/length, and data, but it does not contain a 'pin code' field.

FTP, SMTP, and HTTP are all application-layer protocols that rely on the Internet Protocol (IP) for transport and routing of their data packets.

The OSI (Open Systems Interconnection) reference model is defined by seven distinct layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

The Internet Protocol (IP) operates at the Network layer (Layer 3) of the OSI model, where it handles logical addressing and routing of packets.

The transport layer is responsible for end-to-end communication and reliability between hosts, while the network layer handles hop-to-hop routing.