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Flashcards in 2.0 Infrastructure Deck (45)
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1

what connector would you use with RS-232?

DB-9

2

what is the maximum recommended speed for CAT 6 cable?

10 Gbps

3

what is the maximum distance of a CAT 5e cable run?

100 meters

4

maximum recommended speed for CAT 5e cable?

1000 Mbps

5

what is the line that marks the point where responsibility for a communication link shifts from a telecommunications company to the customer?

Demarc

6

which WAN protocol uses labels to identify paths?

MPLS (multiprotocol label switching)

7

what WAN media has the highest latency?

Satellites

8

what type of multiplexing does and ISDN PRI use?

time division multiplexing

ISDN (integrated services digital network)
PRI (primary rate interface)

9

what WAN protocol uses virtual circuits over private or semi-private lines?

Frame relay

10

what type of information can be sent over a single broadband line?

data, video, and voice

it sends the different types of data on a single line using frequency division multiplexing (FDM)

11

where is a virtual switch used?

in a virtual network

12

what type of storage does a SAN use?

Block-level storage

13

what is a drawback of a SAN when compared to NAS?

It is more expensive and requires more configuration

14

what type of data storage can be accessed over a traditional TCP/IP network?

NAS

15

what is the MTU of a jumbo frame?

Greater than 1,500 bytes but not greater than 9,000 bytes

16

what will raise an alarm about a network attack, while also stopping it?

IPS

17

what will raise an alarm about a network attack, but not necessarily stop it?

IDS

18

what appliance can filter access to objectionable web sites and improve performance of internet access?

Proxy server

19

what appliance would be used to block access to objectionable web sites?

content filter (or proxy server)

some advanced firewalls also include a content filter

20

what appliance would be used to connect two sites together over the internet?

VPN concentrator

21

what appliance is used to ensure multiple servers have an equal amount of traffic?

load balancer

22

what does a load balancer provide?

increased availability and distribution of network requests

23

what device can reduce overall bandwidth usage by serving cached copies of website pages?

Proxy server

24

what can RADIUS provide for an 802.11 network?

centralized authentication

25

what is used to filter traffic based on IP addresses for a network?

Network-based firewall

A stateless firewall filtering traffic based on IP addresses (or ports) is configured in an access control list (ACL)

26

what network device is typically placed on the border of a network?

A firewall

27

what type of modem would you use to access the internet via a TV cable?

DOCSIS modem

DOCSIS (data over cable service interface specification)

28

what network device is typically used to perform stateful inspection of incoming traffic?

A firewall

29

what type of connector is used with coaxial cable?

BNC

30

what type of connector is used with a phone line?

RJ-11