Get all latest (August) Cisco 640-722 Actual Test 1-10

Ensurepass

QUESTION 1

Refer to the exhibit. At which point in the network topology must the trunk be configured to support multiple SSIDs for voice and data separation?

 

clip_image002

 

A.

A

B.

B

C.

C

D.

D

 

Correct Answer: D

 

 

QUESTION 2

What technology consists of small, low-power digital radios?

 

A.

LTE

B.

WiFi

C.

ZigBee

D.

Bluetooth

 

Correct Answer: C

 

 

QUESTION 3

Access points must discover a wireless LAN controller before they can become an active part of the network. In which order does an access point try to discover a controller?

 

A.

Layer 3 CAPWAP or LWAPP broadcast discovery

DHCP option 43

Locally stored controller IP address discovery

DNS controller name resolution

B.

Layer 3 CAPWAP or LWAPP broadcast discovery

Locally stored controller IP address discovery

DNS controller name resolution

DHCP option 43

C.

Layer 3 CAPWAP or LWAPP broadcast discovery

Locally stored controller IP address discovery

DHCP option 43

DNS controller name resolution

D.

DNS controller name resolution

DHCP option 43

Layer 3 CAPWAP or LWAPP broadcast discovery

Locally stored controller IP address discovery

 

Correct Answer: C

 

 

QUESTION 4

Which wireless topology supports roaming?

 

A.

IBSS

B.

BSS

C.

ESS

D.

bridging

 

Correct Answer: C

 

 

QUESTION 5

DRAG DROP

clip_image004

 

Correct Answer:

clip_image006

 

 

QUESTION 6

Which two statements about AES-CCMP are true? (Choose two.)

 

A.

It is an encryption algorithm used in the 802.11i security prot
ocol.

B.

It is defined in 802.1X.

C.

It is the encryption algorithm used in TKIP implementations.

D.

It is required in WPA.

E.

It is required in WPA2.

 

Correct Answer: AE

 

 

QUESTION 7

How many dBm is 40 mW?

 

A.

10 dBm

B.

16 dBm

C.

20 dBm

D.

22 dBm

E.

40 dBm

 

Correct Answer: B

 

 

QUESTION 8

During Layer 2 intercontroller roaming, which two items change? (Choose two.)

 

A.

SSID

B.

VLAN

C.

IP address

D.

AP

E.

controller

 

Correct Answer: DE

 

 

QUESTION 9

Which four options are the characteristics of the original 802.11 protocol? (Choose four.)

 

A.

Defined DSSS and FHSS as possible methods for modulation

B.

Designed to operate in the 5 GHz ISM frequency spectrum

C.

The most common deployment is three non-overlapping channels that are 20 MHz wide

D.

The protocol sets the maximum throughput at 1 Mb/s or 2 Mb/s

E.

Defined FHSS and OFDM as possible methods for modulation

F.

The most common deployment is three non-overlapping channels that are 22 MHz wide

G.

Designed to operate in the 2.4 GHz ISM frequency spectrum

H.

The protocol sets the maximum throughput at 1 Mb/s

 

Correct Answer: ADFG

 

 

 

QUESTION 10

Which spread spectrum technique uses 11-bit chips to transmit 1 bit of data over a 22-MHz channel?

 

A.

DSSS

B.

FHSS

C.

OFDM

D.

MIMO

E.

CCK

 

Correct Answer: A

 

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