CompTIA Network+ Certification Exam

 

QUESTION 191

A campus needs to provide wireless connectivity in a cafeteria with a minimal number of WAPs. Which of the following antenna types will provide the BEST coverage?

 

A.

High gain

B.

Bidirectional

C.

Dipole

D.

Omni-directional

 

Correct Answer: A

 

 

QUESTION 192

As part of unified communications services, QoS must be implemented. DSCP and CoS map to which of the following OSI layers? (Select TWO)

 

A.

Layer 1

B.

Layer 2

C.

Layer 3

D.

Layer 4

E.

Layer 5

 

Correct Answer: BC

 

 

QUESTION 193

An administrator has a physical server with a single NIC. The server needs to deploy two virtual machines. Each virtual machine needs two NIC’s, one that connects to the network, and a second that is a server to server heartbeat connection between the two virtual machines. After deploying the virtual machines, which of the following should the administrator do to meet these requirements?

 

A.

The administrator should create a virtual switch for each guest. The switches should be configured for inter-switch links and the primary NIC shouldhave a NAT to the corporate network

B.

The administrator should create a virtual switch that is bridged to the corporate network and a second virtual switch that carries intra-VM communication only

C.

The administrator should create a virtual switch to bridge all of the connections to the network. The virtual heartbeat NICs should be set to addresses in an unused range

D.

The administrator should install a second physical NIC onto the host, and then connect each guest machine’s NICs to a dedicated physicalNIC

 

Correct Answer: C

 

 

 

 

 

QUESTION 194

A company utilizes a patching server to regularly update their PC’s. After the latest round of patching all of the older PCs with non-gigabit Ethernet cards become disconnected from the network and now require a technician to fix the issue locally at each PC. Which of the following should be done to prevent this issue in the future?

 

A.

Enable automatic rebooting of the pCs after patching is completed

B.

Require the patching server to update the oldest PCs off hours

C.

Disable automatic driver updates to PCs on the patching server

D.

Throttle the connection speed of the patching server to match older PCs

 

Correct Answer: D

 

 

QUESTION 195

A network technician was tasked to install a network printer and share it to a group of five human resource employees. The technician plugged the device into a LAN jack, but was unable to obtain an IP address automatically. Which of the following is the cause of the problem?

 

A.

DNS

B.

Wrong TCP port

C.

Split horizon

D.

DHCP scope

 

Correct Answer: D

 

 

QUESTION 196

An attack where the potential intruder tricks a user into providing sensitive information is known as which of the following?

 

A.

Social engineering

B.

Bluesnarfing

C.

Man-in-the-middle

D.

Evil Twin

 

Correct Answer: A

 

 

QUESTION 197

A technician is in a large room that contains a large amount of industrial equipment. The technician would like to record the usable bandwidth between devices in a wireless network and the access point. Which of the following should the technician documen
t?

 

A.

Goodput

B.

B.EMI

C.

Latency

D.

Jitter

E.

Overhead

 

Correct Answer: A

 

 

QUESTION 198

When installing a network cable with multiple strands, a technician drags the cable past a sharp edge and exposes the copper conductor on several wires. These exposed wires come into contact with each other forming an electrical connection. This creates which of the following conditions?

 

A.

Short

B.

Twisted pair

C.

Electrostatic discharge

D.

Crosstalk

E.

Open

 

Correct Answer: A

 

 

QUESTION 199

A network technician has been tasked with connecting three 802.11a clients to an 802.11g access point that is configured for WEP and is within a (9m) line of sight from the client. The clients are unable to associate with the access point. Which of the following is MOST likely the cause of this issue?

 

A.

Interference

B.

Wrong frequency

C.

Signal loss

D.

Wrong Encryption

 

Correct Answer: B

Explanation:

802.11a operates in the 5GHz band while 802.11g operates in the 2.4GHz band.

 

 

QUESTION 200

A network technician must allow use of HTTP from the internet to an internal resource running HTTP. This is an example of which of the following?

 

A.

Dynamic DNS

B.

Virtual Private networking (VPN)

C.

Dynamic NAT

D.

Port Forwarding

 

Correct Answer: D

 

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