Test Flashcards
whats another name for end devices
hosts/nodes
what words describe the cables or wires the data travels through
media
what device is considered to be an intermediary device
router
scalability refers to
grow larger
how many unique number in binary
2
a network that limits the impact of failure
fault tolerance
a network that can quickly expand to support new users
scalable
an attack by a knowledgeable person
hacker attack
which item below is an end device
telepresence endpoint
what is an intermediatiary device (anything that doesn’t require user interfaces)
LAN switch
which item is not considered to be a network component
extranet
all p2p networking devices can act as what
clients and servers
the data carrying capacity of a network
bandwidth
what type of application requires QOS (something that can’t lag it prioritizes traffic)
video-conferencing
when demand is greater than capacity users experience
congestion
which internet type doesn’t require cables to be run
satellite
if you’re accessing internet services on your network you’re using what
intranet
student using wireless phone on a school network
wireless LAN
what is a WAN example
city or campus
what do you call a web page than can be edited by people
wiki
a private collection of WANS and LANS
intranet
a network that gives access to data to authorized people who work outside of the organization
extranet
high bandwidth connections over the phone line is called
DSL
mode that is Switch>
user exec mode
what should your prompt look like in privileged exec mode
switch#
what command moves you front user to priv mode
enable
what command encrypts password
service password-encryption
what command changes the name of device
hostname
command moves you to global config mode
conf t
what is the last command when setting console password (won’t force you to login)
login
non volatile memory ___ your info when turned off
keeps
what term refers to cisco software that runs on a switch or router
IOS
what portion of the OS interacts with the user
shell/gui
what portion of the os interacts with hardware
kernel
where is the running config found
RAM
where is the startup config found
NVRAM
where is the IOS stored on a router or switch
Flash
what does ROM stand for
read only memory
what command creates a message when people login
banner motd
what command do you use to config Telnet/SSH
line vty 0 15
what command brings up an interface
no shutdown
what command brings you into vlan 1s interface
int vlan 1
what command do you use to put an ip address
ip address (ip address subnet mask)
Switch#
privileged exec mode
what mechanism allows computers to regulate the speed at which information to be sent
flow control
what type of message is sent to all hosts in a network segment
broadcast
what term describes how messages are placed in another message
encapsulation
your computer is about to access a webpage what are the protocols in order
HTTP,TCP,IP,Ethernet
what defines how messages are exchanged between source and destination
protocols
OSI model level 4
Transport
what are proprietary protocols
protocols owned by company
what level of the OSI model logical IPs found
Network
which PDU is found in the NIC of a Pc
frames
PDU transport layer
segments
PDU layer 3
packets
which address does the NIC look at to determine if the frame should be accepted
destination MAC
an incorrect default gateway will prevent a PC from what
exchanging packets with remote networks
what is the default gateway
the logical address of the router
stripping headers from a network transmission in order to extract data is called
de-encapsulation
how many pairs of wires in straight through cables
4 (8 total wires)
what address stays the same as a message travels
destination IP
which organizations is responsible for overseeing IP allocation and names
IANA
which standards organizations deal with wiring standards
EIA
which layer only deals with 1s and 0s
layer 1
layer 1 PDU
BIT
layer 5 PDU
data
which term deals with how data is repaired for transmission
encoding
MAC addresses are expressed in what form
hex
what cable type is ideal for backbone networks
fiber-optic
what type of cabling is immune to EMI/RFI
fiber-optic
what type of cable is used to connect similar devices
crossover
which options describe bandwidth
the capacity of a medium to carry data
what type of cable used LEDs
multimode
which events can be described as the signal from one wire to another adjacent wire
crosstalk
what event can be described as data corruption from electrical devices
EMI
what is the most common type of network cabling
UTP
how many bits are represented by one hex digit
4
decimal equivalent of 0xE3
E=14
227
hex equivalent of 209
D=13
0xD1
what is the decimal equivalent of 0xF9
F=15
249
unction of data link layer
prepares data for layer 1
which type of communication allows a device to send and receive data simultaneously
full duplex
which media access control method is used by half duplex ethernet networks
CSMA/CD
which OSI model layer performs error detection
Data Link
which of the following is a physical topology for WANs
hub & spoke
which frame header field is used to deliver data to the receiving NIC
destination MAC
Layer 2 Protocol
Ethernet
which of the following is a data link layer protocol
PPP
purpose of the MAC sublayer
controls access to media
what modern network feature eliminated CSMA/CD
full duplex switches
what is the minimum size of an ethernet frame
64 bytes
what memory method is ideal for asymmetric switching environments
shared memory
what is an advantage of store and forward switching
determines if frames contain errors before propagating them
what feature automatically adjusts the interface based on the type of cable
auto mdix
which of the following data do switches use to populate mac address tables
source mac address’s
what is another name for the dataset switches use to make forwarding decisions
CAM and MAC table
how does the sending host acquire the MAC address from the NIC
ARP
