NSSA EXAM 1 2025 UPDATED ACTUAL EXAM WITH CORRECT SOLUTIONS.

1 | Page

NSSA EXAM 1 2025 UPDATED ACTUAL
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

, 2 | Page



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