EXAM WITH CORRECT SOLUTIONS.

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NSSA EXAM 1

EXAM WITH CORRECT SOLUTIONS.

What is a network? - correct answer- telecommunications system that connects a collection of computers to allow communication and stat exchange between systems.

W3C - correct answer- World Wide Web Consortium

MAC address - correct answer- A hardware identifier that uniquely identifies each device on a network. they are also specific to ethernet nodes and carry no information about the network location of the device. Also are no useable too reach device on any non-local network

Unicast Address (MAC) - correct answer- MAC address that identify a single LAN interface card

Broadcast Address(MAC) - correct answer- MAC address of FF:FF:FF:FF:FF Results in all device within the LAN receiving and processing the frame

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Multicast Address - correct answer- MAC address identifying a subset of deice on a LAN Results in a subset of host receiving and processing the frame

Internet Protocol(IP) - correct answer- Basic unit of data transfer across the internet. Comprised of 32 bits. Has two

parts:

1.Network portion/id 2.Host portion/id

Network mask - correct answer- distinguished the network portion of the address form the host portion of the address.Default network masks for each classful address and modified network masks for subnetting

What address is required for a device to send and receive IP packets. - correct answer- unicast address

IP Broadcasts - correct answer- transmits a layer 3 packet to all nodes on a network or internetwork

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