terms to know 4

Question 1

traffic shaping (packet shaping)

Answer 1

prioritizing traffic on the network. Set priorities for different applications so some get more then others.

Question 2

802.3af
802.3at
802.3bt

Answer 2

poe
poe+
poe++

Question 3

802.1d
802.1w

Answer 3

regular stp
rapid stp convergence time 6 sec

Question 4

Port mirroring

Answer 4

copy traffic from one interface.
mirror traffic from one switch to another

Question 5

802.3x

Answer 5

flow control known as “pause frame”

Question 6

latency

Answer 6

delay between request and response. Waiting time

Question 7

Jitter

Answer 7

time between frames known as “choppy” voice calls

Question 8

SNMP traps

Answer 8

remote device performs its own monitoring and when a certain value is exceeded we get an alert. udp162

Question 9

audit logs

Answer 9

what did they do and when. more specific than traffic logs

Question 10

encapsulation error

Answer 10

has layer 3 packet to forward but is lacking layer 2 header element

Question 11

ups

Answer 11

uninterruptable power supply. short term backup power

Question 12

pdu

Answer 12

power distribution units. extension cord

Question 13

mttr

Answer 13

mean time to repair

Question 14

mtbf

Answer 14

mean time between failure

Question 15

cve

Answer 15

common vulnerabilities and exposures. list of vulnerabilities

Question 16

least privelege

Answer 16

give bare minimum access to do their job

Question 17

rbac

Answer 17

role based access control. your rights and permissions are based on your role

Question 18

separation of duties

Answer 18

no user should be given enough privileges to misuse the system on their own

Question 19

EAP

Answer 19

Extensible Authentication Protocol. a framework designed to support multiple authentication protocols

Question 20

tailgating vs piggybacking

Answer 20

tailgating the person has no permission to follow.
piggybacking the person got permission to follow.

Question 21

site to site vpn

Answer 21

corporate network and a branch office network

Question 22

client to site vpn

Answer 22

connects a single device, such as a laptop or smartphone, to a remote network, such as a corporate

Question 23

control place policing

Answer 23

allows for QoS configurations

Question 24

VNC

Answer 24

virtual network computing allows to control computer remotely and has screen sharing option
port 5900

Question 25

access control vestibule

Answer 25

little room where one person has to go at a time also known as mantrap

Question 26

plenum vs riser rated cabling

Answer 26

plenum cable is fire resistant and is put in places you cant see, can also be used in riser rated places.

Question 27

RS232

Answer 27

signal sent throught db9 or db25 connectors.

Question 28

straight thru vs crossover cable

Answer 28

difference is crossover cable has the pins inside flipped

Question 29

EUI

Answer 29

Extended Unique Identifier (EUI-64) is a special address format that is basically MAC address but 64 bit for ipv6

Question 30

wireless client isolation

Answer 30

Wireless Client Isolation is a security feature that prevents wireless clients from communicating with one another.