[Free] New Updated (October) 220-801 CompTIA Real Exam 271-280

Ensurepass

 

QUESTION 271

Which of the following uses the RC4 cipher? (Select TWO).

 

A.

WPA-personal TKIP

B.

WEP

C.

WPA2-enterprise CCMP

D.

WPA2-personal CCMP

E.

AES

 

Correct Answer: AB

Explanation:

http://en.wikipedia.org/wiki/Temporal_Key_Integrity_Protocol

 

 

QUESTION 272

Which of the following wireless encryption types is vulnerable to weak IVS attacks?

 

A.

WEP

B.

WPA

C.

WPA2

D.

AES

 

Correct Answer: A

Explanation:

http://www.networkworld.com/research/2002/0909wepprimer.html

 

 

QUESTION 273

Which of the following Internet connection types would typically have the GREATEST latency?

 

A.

Satellite

B.

WiMAX

C.

Cellular

D.

ISDN

 

Correct Answer: A

Explanation:

http://compnetworking.about.com/od/speedtests/a/network_latency.htm

 

 

QUESTION 274

DRAG DROP

Place the appropriate token next to each graphic

 

clip_image002

 

Correct Answer:

clip_image004

 

 

QUESTION 275

Which of the following is a public IP address?

 

A.

10.0.0.1

B.

62.10.1.1

C.

172.16.0.1

D.

192.168.1.1

 

Correct Answer: B

Explanation:

http://technet.microsoft.com/en-us/library/cc958825.aspx

 

 

QUESTION 276

Which of the following ports MUST be open to connect to a PC using RDP?

 

A.

21

B.

80

C.

443

D.

3389

 

Correct Answer: D

Explanation:

http://support.microsoft.com/kb/306759

 

 

 

 

 

QUESTION 277

Which of the following features of Windows allows a device to have a default IP address if a DHCP server is not available?

 

A.

APIPA

B.

ARP

C.

IPv6

D.

DNS

 

Correct Answer: A

Explanation:

http://compnetworking.about.com/cs/protocolsdhcp/g/bldef_apipa.htm

 

 

QUESTION 278

Which of the following wireless standards is backwards compatible with 802.11g?

 

A.

802.11a

B.

802.11b

C.

802.11n

D.

802.1q

 

Correct Answer: C

Explanation:

http://www.networkworld.com/newsletters/wireless/2006/0206wireless1.html

 

 

QUESTION 279

Which of the following is the BEST protocol to use for securely transferring large files?

 

A.

Telnet

B.

SSH

C.

SFTP

D.

FTP

 

Correct Answer: C

Explanation:

http://en.wikipedia.org/wiki/SSH_File_Transfer_Protocol

 

 

QUESTION 280

Which of the following is representative of a class C address type?

 

A.

10.15.1.4

B.

169.254.125.15

C.

172.20.15.5

D.

192.168.1.15

 

Correct Answer: D

Explanation:

http://en.wikipedia.org/wiki/Classful_network

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