[Free] February 2017(Feb) Ensurepass Pass4sure CompTIA N10-006 Practice Test 151-160

Ensurepass

CompTIA Network+ Certification Exam

 

QUESTION 151

A network technician has just installed a TFTP server on the administrative segment of the network to store router and switch configurations. After a transfer attempt to the server is made, the process errors out. Which of the following is a cause of the error?

 

A.

Only FTP can be used to copy configurations from switches

B.

Anonymous users were not used to log into the TFTP server

C.

An incorrect password was used and the account is now locked

D.

Port 69 is blocked on a router between thenetwork segments

 

Correct Answer: D

Explanation:

The question states that the TFTP server is installed on the “administrative segment of the network”. This implies that the network has multiple segments (subnets) and TFTP server is on a different network segment to other computers.

For a computer on one subnet to connect to a computer on a different subnet, a router is required to route traffic between the two subnets. Routers often include firewalls so they can be configured to allow specific traffic to be routed between the subnets and block unwanted traffic.

TFTP uses UDP port 69. The most likely cause of the connection timeout error in the question is that the firewall has not been configured to allow traffic using UDP port 69.

 

 

QUESTION 152

Which of the following PDUs is used by a connectionless protocol?

 

A.

Frames

B.

Segments

C.

Streams

D.

Datagram

 

Correc
t Answer:
D

Explanation:

UDP is a connectionless transport protocol that operates in the transport layer of the OSI model. UDP stands for User Datagram Protocol. PDUs (Protocol Data Units) used by UDP are known as Datagrams.

 

 

QUESTION 153

In an engineering office, all plotters are configured via static IP. Which of the following best practices will alleviate many issues if equipment moves are required? (Select TWO).

 

A.

Rack monitoring

B.

Device placement

C.

Wall plate labeling

D.

Room numbering

E.

Patch panel labeling

 

Correct Answer: CE

Explanation:

By labeling each wall plate (where the plotters’ network cables plug in to) and the patch panel ports (where the cables connecting to each wall plate terminate), we’ll be able to see which device is connected to which port. If equipment moves are required, we will be able to easily see which patch cables need to be moved in the patch panel.

 

 

QUESTION 154

The management team wants to set up a wireless network in their office but all of their phones operate at the 2.4 GHz frequency. They need a wireless network that would be able to operate at a higher frequency than their phones. Which of following standards should be used?

 

A.

802.11a

B.

802.11b

C.

802.11g

D.

802.1x

 

Correct Answer: A

Explanation:

In this question, we need a wireless network that operates at a frequency higher than the 2.4GHz frequency.

802.11 is a set of IEEE standards that govern wireless networking transmission methods. The 802.11 standards commonly used today to provide wireless connectivity in home or office wireless networks are 802.11a, 802.11b, 802.11g, 802.11n and 802.11ac.

The 802.11a standard supports speeds up to 54Mbps and uses the 5-GHzband.

 

 

QUESTION 155

Which of the following protocols is used to encapsulate other network layer protocols such as multicast and IPX over WAN connections?

 

A.

MPLS

B.

ESP

C.

GRE

D.

PPP

 

Correct Answer: C

 

 

QUESTION 156

A network engineer is designing a wireless network that uses multiple access point for complete coverage. Which of the following channel selections would result in the LEAST amount of interference between each access point?

 

A.

Adjacent access point should be assigned channels 1, 6, and 11 with a 20MHz channel width.

B.

Adjacent access points should be assigned channels 2,6, and 10 with a 20MHz channel width.

C.

Adjacent access points should be assigned channels 7 and 11 with a 40MHz channel width.

D.

Adjacent access points should be assigned channels 8 and 11 with a 40MHz channel width.

 

Correct Answer: A

Explanation:

http://www.windowsnetworking.com/articles-tutorials/wireless-networking/tips-assigning-wi-fi-channels.html

 

 

QUESTION 157

A network technician needs to connect two switches. The technician needs a link between them which is capable of handling 10gb. Which of the following media would be optimal for this application?

 

A.

CAT5e cable

B.

Coax cable

C.

Fiber Optic cable

D.

CAT6 cable

 

Correct Answer: C

 

 

 

 

 

QUESTION 158

DRAG DROP

Drag and drop the fiber cable connection types to the appropriate image.

 

clip_image002

 

Correct Answer:

clip_image004

 

 

QUESTION 159

A network technician determines that two dynamically assigned workstations have duplicate IP addresses. Which of the following commands should the technician use to correct this problem?

 

A.

ipconfig /all

B.

ipconfig /dhcp

C.

ipconfig /release then ipconfig /renew

D.

ipconfig /renew

 

Correct Answer: C

 

 

QUESTION 160

A company suffers an outage due to a bad module in a core switch. Which of the following is the proper order of troubleshooting?

 

A.

Gather information, start at the top of the OSI model, and work down.

B.

Establish a plan of action to solve the problem.

C.

Establish a theory, identify the problem, duplicate the problem, test the theory, and repeat.

D.

Gather information, start at the bottom of the OSI model, and work up.

 

Correct Answer: B

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