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CompTIA Network+ (N10-008) Quiz

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

A technician is troubleshooting a wireless connectivity issue in a small office located in a high-rise building. Several APs are mounted in this office. The users report that the network connections frequently disconnect and reconnect throughout the day. Which of the following is the MOST likely cause of this issue?

a)

The RSSI is misreported

b)

Channel overlap is occurring

c)

EIRP needs to be boosted

d)

The AP association time is set too low

2.

A network engineer configured new firewalls with the correct configuration to be deployed to each remote branch. Unneeded services were disabled, and all firewall rules were applied successfully. Which of the following should the network engineer perform NEXT to ensure all the firewalls are hardened successfully?

a)

Use the same complex passwords on all firewalls

b)

Update the firewalls with current firmware and software

c)

Configure the log settings on the firewalls to the central syslog server

d)

Ensure an implicit permit rule is enabled

3.

At which of the following OSI model layers would a technician find an IP header?

a)

Layer 3

b)

Layer 2

c)

Layer 4

d)

Layer 1

4.

An engineer is configuring redundant network links between switches. Which of the following should the engineer enable to prevent network stability issues?

a)

CSMA/CD

b)

STP

c)

802.1Q

d)

Flow control

5.

Several WIFI users are reporting the inability to connect to the network. WLAN users on the guest network are able to access all network resources without any performance issues. Which of the following should a wireless technician do NEXT to troubleshoot this issue?

a)

Update the SSIDs on all the APs

b)

Replace the omni antennas with directional antennas

c)

Decrease power in AP 3 and AP 4

d)

Reconfigure the channels to reduce overlap

6.

Which of the following routing protocols is used to exchange route information between public autonomous systems?

a)

OSPF

b)

BGP

c)

EIGRP

d)

RIP

7.

A fiber link connecting two campus networks is broken. Which of the following tools should an engineer use to detect the exact break point of the fiber link?

a)

Tone generator

b)

Fusion splicer

c)

OTDR

d)

Cable tester

8.

A network technician is installing new software on a Windows-based server in a different geographical location. Which of the following would be BEST for the technician to use to perform this task?

a)

DNS

b)

FTP

c)

SSH

d)

RDP

9.

Branch users are experiencing issues with videoconferencing. Which of the following will the company MOST likely configure to improve performance for these applications?

a)

Link Aggregation Control Protocol

b)

Quality of service

c)

Network load balancer

d)

Dynamic routing

10.

A technician is assisting a user who cannot connect to a network resource. The technician first checks for a link light. According to troubleshooting methodology, this is an example of:

a)

questioning the obvious.

b)

documenting a finding.

c)

establishing a plan of action.

d)

using a bottom-to-top approach.

11.

Which of the following transceiver types can support up to 40Gbps?

a)

SFP

b)

SFP+

c)

QSFP

d)

QSFP+

12.

Which of the following TCP ports is used by the Windows OS for file sharing?

a)

1433

b)

445

c)

389

d)

53

13.

A network administrator redesigned the positioning of the APs to create adjacent areas of wireless coverage. After project validation, some users still report poor connectivity when their devices maintain an association to a distant AP. Which of the following should the network administrator check FIRST?

a)

Validate the roaming settings on the APs and WLAN clients

b)

Deactivate the 2.4GHz band on the APs

c)

Verify that the AP antenna type is correct for the new layout

d)

Check to see if MU-MIMO was properly activated on the APs

14.

Which of the following connector types has the MOST flexibility?

a)

SFP

b)

RJ45

c)

LC

d)

BNC

15.

A small office has a wireless network with several access points for roaming laptop use. Users occasionally report that the wireless connection drops or becomes very slow. Users have confirmed that this issue only happens when connected to the office wireless network. Which of the following would MOST likely be the cause?

a)

Hidden SSID

b)

Device interference

c)

Ethernet port flapping

d)

High ISP latency

16.
Which of the following layers of the OSI model is divided into two sections -- media access control and logical link control?
a)
Physical
b)
Data Link
c)
Network
d)
Transport
17.

Which layer of the OSI model should you examine if you want to troubleshoot a problem with the HTTP protocol?

a)

Physical

b)

Transport

c)

Application

d)

Network

18.
Repeaters are network devices operating at ________ layer of the OSI model
a)
Application
b)
physical
c)
Networking
d)
Transmission
19.

Layer 6 of the OSI model is also referred to as:

a)

Data link layer

b)

Session layer

c)

Presentation layer

d)

Transport layer

20.

What is the main purpose of routers?

a)

Routers connect computers and choose the path that information takes from one computer to another.

b)

Routers connect computers to nearby wireless devices, such as headphones and speakers.

c)

Routers translate a website’s name into an IP address.

d)

Routers increase the speed of a network’s internet connection by decreasing the latency.