Domain 2-part 1 Flashcards Preview

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Flashcards in Domain 2-part 1 Deck (45):
1

3 spanning tree port states,

Learning, Listening, forwarding

2

A cable type that cannot carry electrical power,

Cat 3 RJ11

3

What access method is used by 802.11b,

CSMA/CA--is used in wireless networking.

4

Ethernet uses what kind of technology

CSMA/CD

5

802.11g wireless devices can be compatible with which other 802.11X,

802.11b

6

802.11a network use which topology type?

Wireless

7

Name 2 IEEE which are capable of operating at 54Mbps,

802.11a & 802.11g

8

Name 3 IEEE which are capable of operating at 11Mbps,

802.11a; 802.11b; 802.11g--the highest speed an 802.11b can reach is 11 MPS. The others are faster but also communicate at lower speeds

9

Name a IEEE which is capable of operating in the 2.4 Ghz band at either 11 Mbps or 54 Mbps,

802.11g can be made backward compatible

10

The single Class C network 216.32.23.0 can be broken into multiple smaller networks by what process,

subnetting

11

How is subnetting created,

by changing the value of the subnet mask

12

If the subnet mask is 255.255.255.0 how many available addresses,

254 available addresses

13

If the subnet mask is 255.255.255.192 how many available addresses,

4 subnets and 62 hosts available on each

14

If you are connected to the Internet through a hot spot, what connection speed can you expect,

2-11 Mbps

15

If you are connected to the Internet through a hot spot, what connection type do you have,

WI-FI

16

Which wireless security protocol was designed to simulate the physical security of a wired LAN,

WEP

17

What Wi-Fi security protocol provides better protection,

WPA

18

Explain a DHCP lease with a server,

The lease can be terminated by either the client or the server

19

On a machine running Windows what command would release the IP address,

ipconfig/release

20

On a machine running Windows what command would renew the IP address,

ipconfig/renew

21

Wireless signals can have a wave length between 1-10 meters. When a signal encounters an object greater than its wavelength what occurs,

Reflection

22

The effects of scattering, reflecting, and diffracting on a wireless signal are referred collectively as______

Fading

23

What does not represent a problem for a wireless signal,

ESD

24

In the US, how many channels are available in the 2.4 GHz band for use by 802.11 devices,

11

25

In performing the initial configuration on an 802.11g router with your laptop-how would you connect,

Connect directly to a data port with an RJ-45 patch cable

26

What is the preferred SSID for an access point that is part of an ESS?

SSID should match its ESS

27

At which layer of the OSI Model is error checking and packet fragmentation handled in 802.11 networks,

MAC

28

What 802.11 standard uses the 2.4 GHz band and has a maximum throughput of 11 Mbps,

802.11b

29

What 802.11 standard uses the 5 GHz band and has a maximum throughput of 54 Mbps,

802.11a

30

What 802.11 standard uses the 2.4 GHz band and has a maximum throughput of 54 Mbps,

802.11g can be made backward compatible

31

What 802.11 standard uses the 2.4. GHz band and has a maximum throughput of 600 Mpbs,

802.11n

32

What is the meaning of VTP,

VLAN Trunk Protocol

33

What security technique would prevent uses from using FTP,

Port filtering

34

In a SOHO environment, what is responsible for translating external IP addresses into a routable IP address,

NAT

35

What issues a private non-routable IP address that uses the external public IP address to communicates with external sites,

PAT

36

3 choices that MUST match for a success wireless communication,

Channel number, SSID, Encryption

37

In the 2.4.GHz frequency band, how many unlicensed channels are available for used in wireless networking,

11

38

What 802.11x version was released first,

802.11b

39

How many channels are available for use with 802.11n technology,

24

40

In 802.11n technology, how wide is each channel?

20 MHz

41

What is channel bonding that is used in an 802.11n device,

2 adjacent channels are combined. Doubles bandwidth and also use the 5MHz gap that exists between all channels

42

To fully utilize from aggregation, what is the optimal 802.11n frame size,

64 KB

43

What is the frame size of an 802.11g frame,

4 KB

44

To add a default gateway to a network, what command would you use in conjunction to the desired gateway address,

Route add -r

45

What are 3 commands that can be used along with a route command,

Print, Change, and delete