General

Question 1

proxy

Answer 1

sits between the user and an external network

Question 2

VPN

Answer 2

Makes a virtual private network

Question 3

distance vector routing protocol

Answer 3

the deciding factor is distance (good for small networks)
types of these- RIP and EIGRP

Question 4

Link state routing protocol

Answer 4

deciding factor is is the speed of the connection (it picks the one with a faster network)

Question 5

TTL is for IPv4 and hop limit is for IPv6

Question 6

802.1Q or VLAN trunking

Answer 6

connecting 2 switches

Question 7

Spanning tree protocol

Answer 7

doesn’t allow for a loop of data
root port- designates the interface closes to the root of network
designated port- all other operational ports
blocked ports

Question 8

Port mirroring

Answer 8

copy traffic from 1 interface to another

Question 9

Jumbo frames

Answer 9

up to 9216 (9000 is normal)

Question 10

crossover cable

Answer 10

used for connecting MDI to MDI and MDI-X to MDI-X

Question 11

open system

Answer 11

no authentication or password

Question 12

WPA2/3-personal

Answer 12

has a pre shared key (256 bit key)

Question 13

WPA/2/3- enterprise or 802.1X

Answer 13

authenticates with authentication server (RADIUS)

Question 14

2 G networks

Answer 14

GSM and CDMA

Question 15

3G networks

Answer 15

Allowed GPS,mobile television, video on demand

Question 16

4G and LTE

Answer 16

converged GSM and CDMA, 150 Mbit/s

4Ga 300 Mbit/s

Question 17

5G

Answer 17

100-900 Mbit/s and 10Gbit/s eventually