NETWORKING FUNDAMENTALS 98-366 Online Expert Flashcards
What are 3 reserved private IP address ranges?
- 0.0.0 - 10.255.255.255
- 16.0.0 - 172.31.255.255
- 168.0.0 - 192.168.255.255
ISDN stands for?
Integrated Services Digital Network
2 types of network cable are?
data straight-through cable
crossover cable
Data straight-through cables are used to connect which items to which OSI layer?
nodes to OSI layers 1
Which type of cable can connect a PC directly to another PC (similar devices)?
crossover cable
An RJ-45 cable is which category?
Cat 5
How many bytes long is a MAC address
6
What is a MAC address
a unique identifier assigned to network interfaces
Which are uses of the layer 2 switches? Choose all that apply.
ATM
ethernet
fiberoptic cables
ATM stands for?
Asynchronous Transfer Mode
__________ is/are multiple switches within an environment to make a redundant link, so if a switch fails, they are still able to connect with the destination.
switch link redundancy
What is the purpose of MAC tables?
decides where data frames are forwarded
__________ establishes a dedicated circuit for the duration of the transmission.
circuit switching
3 types of switches are?
circuit
packet
cell
Which are functions of packet switching? Choose all that apply.
Most common form of data exchange.
Transmission broken into smaller non-fixed length pieces and individually transmitted.
ATM stands for?
Asynchronous Transfer Mode
__________ are hardware or software devices that interchange data packets between computer networks.
routers
Which action does tracert perform?
Trace how many routers from one location to another
RRAS stands for?
Routing Remote Access Service
Which are options of different routers? Choose all that apply.
Static
Dynamic
Which type of routing learns routes automatically from other routes in a network?
dynamic
By which method are metrics derived in dynamic routing?
Algorithms are used against the routing table
Which item is necessary for computers and routers to communicate with others?
IP address
Which technology is used by Windows systems for software routing and VPN connections into a Microsoft network?
RRAS (Routing and Remote Access Service)
RRAS can be used for which connections? Choose 5.
LAN to LAN LAN to WEP WAN to LAN LAN to WAN WAN to WAN
Which was the first instance of Ethernet cables used in 10Base5 and 10Base2 networks?
Coaxial
Which are characteristics of UTP cables? Choose all that apply.
Pairs of wires are twisted
Signals are carried along one pair
Signals are carried using both pairs
Contains 8 individual color-coded copper wires
Uses an RJ-45 connector as the computer connection
CIDR stands for?
Classless Interdomain Routing
CIDR does?
represents ranges of class C addresses in a single entry
OSI layer 1 does?
defines transmission media and how they connect
OSI layer 2 does?
provides error free, physical transmission
OSI layer 3 does? 3 things
Address info to route between networks
Frame fragmentation
Map logical & physical addresses
OSI layer 4 does? 2 things
Delivers error free sequences
Protects against data loss & duplication
Frame fragmentation is?
fragmenting and reassembling data packets
OSI layer 5 does?
establishes, maintains, terminates sessions between processes on different computers
MX stands for?
Mail Exchange
An MX record does?
identifies mail servers
SOA stands for?
Start of Authority Record
SOA does
identifies a zone’s primary DNS server
NS record stands for?
Name Server record
IPSec does?
encrypts & authenticates packets across the network
The IPv4 loopback address is what sequence?
127.0.0.1
The IPv4 multicast address range is?
224.0.0.0 - 239.255.255.255
The IPv6 local loopback address is what sequence?
::1
The prefix for an IPv6 link-local unicast address is?
FE80
An IPv6 address has how many bits?
128
An IPv4 address has how many bits?
32
RADIUS does?
authenticates & authorizes VPN & dial-up clients
IPv6 site local addresses must begin with?
FECO
What TCP/IP command resolves IP addresses to MACs?
arp command
___ is used to map NetBIOS names to IP addresses?
WINS
WINS stands for?
Windows Internet Name Service
A IPv6 link-local ISATAP address consists of what 2 parts?
FE80::5EFE, followed by an IPv4 address