Download New Updated (July) CompTIA N10-005 Actual Test 151-160

Ensurepass

 

QUESTION 151

Users have been stating that they need to logon to too many applications and web apps with different credentials that use different rule sets. Which of the following would BEST address these concerns?

 

A.

Alter the domain account login policies to reflect the most common application rule sets.

B.

Ensure that the user accounts are properly configured in domain services.

C.

Implement a software solution that facilitates single sign-on authentication.

D.

Increase the time between mandatory password changes by a factor of three.

 

Correct Answer: C

Explanation:

A single signon permits a user to enter one name and password in order to access multi
ple applications.

 

 

QUESTION 152

Which of the following TCP ports are used by FTP? (Select TWO).

 

A.

20

B.

21

C.

22

D.

23

E.

25

F.

80

 

Correct Answer: AB

Explanation:

FTP uses two ports by default: 21 for sending commands, and 20 for sending data. For instance if you said “FTP <ServerName>” it would make the attempt using port 21. If the session was established, port 20 would be using for the data. NotE. These are the default ports which is what I assume you were asking. A server administrator can however configure FTP to use whatever port he defines.

 

 

QUESTION 153

Which of the following network protocols is used to transport email between servers?

 

A.

IMAP4

B.

POP3

C.

SNMP

D.

SMTP

 

Correct Answer: D

Explanation:

While electronic mail servers and other mail transfer agents use SMTP to send and receive mail messages, user-level client mail applications typically use SMTP only for sending messages to a mail server for relaying.

 

 

QUESTION 154

Joe has a small office and is looking to replace his phone system with a lower cost solution that requires minimal in-house support. Which of the following is the BEST choice?

 

A.

Wide Area Network

B.

NAT

C.

Virtual PBX

D.

Virtual LAN

 

Correct Answer: C

Explanation:

Virtual PBX, a business phone system providing call routing, follow-me calling, voice-mail, fax-mail, and ACD queues with no customer installed equipment.

 

 

QUESTION 155

Ann, a technician, installs a new WAP and users are able to connect; however, users cannot access the Internet. Which of the following is the MOST likely cause of the problem?

 

A.

The signal strength has been degraded and latency is increasing hop count.

B.

An incorrect subnet mask has been entered in the WAP configuration.

C.

The si
gnal strength has been degraded and packets are being lost.

D.

Users have specified the wrong encryption type and routes are being rejected.

 

Correct Answer: B

Explanation:

Due to wrong subnet entered user is unable to communicate with anyone so to communicate he needs to be in right subnet.

 

 

QUESTION 156

Which of the following is the common port used for IMAP?

 

A.

25

B.

53

C.

143

D.

443

 

Correct Answer: C

Explanation:

The Internet Message Access Protocol (commonly known as IMAP) is an Application Layer Internet protocol that allows an e-mail client to access e-mail on a remote mail server. The current version, IMAP version 4 revision 1 (IMAP4rev1), is defined by RFC 3501. An IMAP server typically listens on well-known port 143

 

 

QUESTION 157

In a SOHO environment, placing a VoIP unit on the outside edge of a LAN router enhances which of the following network optimization methods?

 

A.

Load balancing

B.

Quality of service

C.

Fault tolerance

D.

Traffic shaping

 

Correct Answer: B

Explanation:

In unified communication video, voice, data have only one end gateway so to give priority to avoid delay in voice and video we use Qos.

 

 

QUESTION 158

Users have reported issues accessing an Internet website. The network technician wants to verify network layer connectivity. Which of the following tools can provide the verification?

 

A.

ping

B.

netstat

C.

route

D.

arp

 

Correct Answer: A

Explanation:

Ping is a computer network administration utility used to test the reachability of a host on an Internet Protocol (IP) network and to measure the round-trip time for messages sent from the originating host to a destination computer.

 

 

 

QUESTION 159

The network interface layer of the TCP/IP model corresponds with which of the following layers of the OSI model? (Select TWO).

 

A.

Transport layer

B.

Network layer

C.

Session layer

D.

Physical layer

E.

Presentation layer

F.

Data link layer

 

Correct Answer: DF

Explanation:

The lowest layer of the OSI Reference Model is the physical layer, which is responsible for the “nitty gritty” details of transmitting information from one place to another on a network. The layer just above the physical layer is the data link layer, called the network interface layer or just the link layer in the TCP/IP architectural model. Its primary job is to implement networks at the local level, and to interface between the hardware-oriented physical layer, and the more abstract, software-oriented functions of the network layer and those above it.

 

 

QUESTION 160

A small office client is requesting a network redesign. Both wired and wireless devices must connect to the network. All of the wireless devices can communicate using the latest standards. The building has a long courtyard in the middle with reinforced walls, which extends up through all the floors. The distance from the switch to the furthest drop is 88 meters. Which of the following is the correct network redesign choice?

 

A.

Fiber optic cabling is necessary due to distance limitations.

B.

The wireless network should be 802.11b due to equipment limitations.

C.

One WAP will be sufficient to provide wireless coverage to the floor.

D.

The wired network should be run with at least CAT6 cabling.

 

Correct Answer: D

Explanation:

The Category 6 cable, also known as Cat-6, is backward compatible with the Category 5/5 e and Category 3 cable standards. It can create a high speed computer network and operate at an optimal performance if other components in the network are compatible with gigabit speeds.

Advantage. Speed and Performance

The cable can handle speed performance of up to 250 MHZ. This fast performance makes it possible to use with a fast ethernet network including Gigabit Ethernet and 10-Gigabit Ethernet. The whole generation of the Cat 6 cable was introduced to complement the Gigabit Ethernet which includes interface cards, patch panels, routers, switches, and other components which is developed to achieve a full gigabit network. Many IT professionals realized that the Cat 6 cable provide very fast network performance and can deliver gigabit speeds.< /span>

Advantage. Similar Structure with Cat 5 Cable

Cat 6 cable has a similar structure to the Cat 5 and Cat 5e. The Cat 6, Cat 5 and Cat 5e cables have 8 wires that are twisted together to form four pairs. The difference is that one pair of the wires in the Cat 6 cable is kept from contacting with others so that it can produce double the bandwidth of the Cat 5 and Cat 5e.

Advantage. Backward Compatible

The plug and port of the Cat 6 cable is the same as the Cat 5 and Cat 5e. Therefore, it can be plugged into any port or connection that supports both of those cables. If you use the Cat 5 port, it will not yield the full speed that it is capable of handling. Instead, it will operate at the speed of the computer or cable. However, the speed will be acceptable.

Advantage. Upgradable

If upgrading to a more optimal network, the Cat 6 cable should be included in part of the upgrade. The Cat 6 cable will not operate at the full speed if other units in the network does not support gigabit speeds. Small businesses that are starting should consider installing the Cat 6 cable since it is becoming the industry standard.

 

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