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CompTIA N10-009 CompTIA Network+ Certification Exam Exam Practice Test

Demo: 71 questions
Total 272 questions

CompTIA Network+ Certification Exam Questions and Answers

Question 1

A storage network requires reduced overhead and increased efficiency for the amout of data being sent. Which of the following should an engineer likely configure to meet these requirements>?

Options:

A.

Link speed

B.

Jumbo frames

C.

QoS

D.

802.1q tagging

Question 2

Users are unable to access files on their department share located on file server 2.

The network administrator has been tasked with validating routing between networks

hosting workstation A and file server 2.

INSTRUCTIONS

Click on each router to review output, identify any issues, and configure the appropriate solution.

If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

Options:

Question 3

A network administrator wants users to be able to authenticate to the corporate network using a port-based authentication framework when accessing both wired and wireless devices. Which of the following is the best security feature to accomplish this task?

Options:

A.

802.1X

B.

Access control list

C.

Port security

D.

MAC filtering

Question 4

A user connects to a corporate VPN via a web browser and is able to use TLS to access the internal financial system to input a time card. Which of the following best describes how the VPN is being used?

Options:

A.

Clientless

B.

Client-to-site

C.

Full tunnel

D.

Site-to-site

Question 5

A network administrator is configuring a network for a new site that will have 150 users. Within the next year, the site is expected to grow by ten users. Each user will have two IP addresses, one for a computer and one for a phone connected to the network. Which of the following classful IPv4 address ranges will be best-suited for the network?

Options:

A.

Class D

B.

Class B

C.

Class A

D.

Class C

Question 6

Which of the following steps in the troubleshooting methodology would be next after putting preventive measures in place?

Options:

A.

Implement the solution.

B.

Verify system functionality.

C.

Establish a plan of action.

D.

Test the theory to determine cause.

Question 7

Newly crimped 26ft (8m) STP Cat 6 patch cables were recently installed in one room to replace cables that were damaged by a vacuum cleaner. Now, users in that room are unable to connect to the network. A network technician tests the existing cables first. The 177ft (54m) cable that runs from the core switch to the access switch on the floor is working, as is the 115ft (35m) cable run from the access switch to the wall jack in the office. Which of the following is the most likely reason the users cannot connect to the network?

Options:

A.

Mixed UTP and STP cables are being used.

B.

The patch cables are not plenum rated.

C.

The cable distance is exceeded.

D.

An incorrect pinout on the patch cable is being used.

Question 8

A VoIP phone is plugged in to a port but cannot receive calls. Which of the following needs to be done on the port to address the issue?

Options:

A.

Trunk all VLANs on the port.

B.

Configure the native VLAN.

C.

Tag the traffic to voice VLAN.

D.

Disable VLANs.

Question 9

After installing a series of Cat 8 keystones, a data center architect notices higher than normal interference during tests. Which of the following steps should the architect take to troubleshoot the issue?

Options:

A.

Check to see if the end connections were wrapped in copper tape before terminating.

B.

Use passthrough modular crimping plugs instead of traditional crimping plugs.

C.

Connect the RX/TX wires to different pins.

D.

Run a speed test on a device that can only achieve 100Mbps speeds.

Question 10

After a company installed a new IPS, the network is experiencing speed degradation. A network administrator is troubleshooting the issue and runs a speed test. The results from the different network locations are as follows:

LocationSpeed DownSpeed Up

Wireless laptop4.8 Mbps47.1 Mbps

Wired desktop5.2 Mbps49.3 Mbps

Firewall48.8 Mbps49.5 Mbps

Which of the following is the most likely issue?

Options:

A.

Packet loss

B.

Bottlenecking

C.

Channel overlap

D.

Network congestion

Question 11

An administrator is configuring a switch that will be placed in an area of the office that is accessible to customers. Which of the following is the best way for the administrator to mitigate unknown devices from connecting to the network?

Options:

A.

SSE

B.

ACL

C.

Perimeter network

D.

802.1x

Question 12

A company has observedincreased user traffictogambling websitesand wants tolimit this behavioron work computers. Which of the following should the companymost likely implement?

Options:

A.

ACLs

B.

Content filter

C.

Port security

D.

Screened subnet

Question 13

A network engineer discoversnetwork trafficthat is sendingconfidential informationto anunauthorized and unknown destination. Which of the followingbest describesthe cause of this network traffic?

Options:

A.

Adware

B.

Ransomware

C.

Darkware

D.

Malware

Question 14

A network administrator is notified that a user cannot access resources on the network. The network administrator checks the physical connections to the workstation labeled User 3 and sees the Ethernet is properly connected. However, the network interface’s indicator lights are not blinking on either the computer or the switch. Which of the following Is the most likely cause?

Options:

A.

Theswitch failed.

B.

Thedefault gateway is wrong.

C.

Theport Is shut down.

D.

TheVLAN assignment is incorrect.

Question 15

Which of the following can also provide a security feature when implemented?

Options:

A.

NAT

B.

BGP

C.

FHRP

D.

EIGRP

Question 16

Which of the following routing protocols is most commonly used to interconnect WANs?

Options:

A.

IGP

B.

EIGRP

C.

BGP

D.

OSPF

Question 17

An employee in a corporate office clicks on a link in an email that was forwarded to them. The employee is redirected to a splash page that says the page is restricted. Which of the following security solutions is most likely in place?

Options:

A.

DLP

B.

Captive portal

C.

Content filtering

D.

DNS sinkholing

Question 18

An organization hasfour departmentsthat each need access todifferent resourcesthatdo not overlap. Which of the following should a technicianconfigurein order toimplement and assign an ACL?

Options:

A.

VLAN

B.

DHCP

C.

VPN

D.

STP

Question 19

Which of the following is used to estimate the average life span of a device?

Options:

A.

RTO

B.

RPO

C.

MTBF

D.

MTTR

Question 20

A company is purchasing a40Gbps broadband connectionservice from an ISP. Which of the following shouldmost likelybe configured on the10G switchto take advantage of the new service?

Options:

A.

802.1Q tagging

B.

Jumbo frames

C.

Half duplex

D.

Link aggregation

Question 21

A systems administrator is configuring a new device to be added to the network. The administrator is planning to perform device hardening prior to connecting the device. Which of the following should the administrator do first?

Options:

A.

Update the network ACLs.

B.

Place the device in a screened subnet.

C.

Enable content filtering.

D.

Change the default admin passwords.

Question 22

Which of the following steps of the troubleshooting methodology would most likely include checking through each level of the OSI model after the problem has been identified?

Options:

A.

Establish a theory.

B.

Implement the solution.

C.

Create a plan of action.

D.

Verify functionality.

Question 23

An organizatin is struggling to get effective coverage using the wireless network. The organization wants to implement a solution that will allow for continous connectivity anywhere in the facility. Which of the following should the network administ rator suggest to ensure the best coverage?

Options:

A.

Implementing additional ad hoc access points

B.

Providing more Ethernet drops for user connections

C.

Deploying a mesh network in the building

D.

nl Changing the current frequency of the WI-FI

Question 24

A network administrator notices interference with industrial equipment in the 2.4GHz range. Which of the following technologies would most likely mitigate this issue? (Select two).

Options:

A.

Mesh network

B.

5GHz frequency

C.

Omnidirectional antenna

D.

Non-overlapping channel

E.

Captive portal

F.

Ad hoc network

Question 25

Which of the following devices can operate in multiple layers of the OSI model?

Options:

A.

Hub

B.

Switch

C.

Transceiver

D.

Modem

Question 26

A network administrator has beenmonitoring the company's serversto ensure that they are available. Which of the following should the administrator use for this task?

Options:

A.

Packet capture

B.

Data usage reports

C.

SNMP traps

D.

Configuration monitoring

Question 27

A network engineer wants to implement a new IDS between the switch and a router connected to the LAN. The engineer does not want to introduce any latency by placing the IDS in line with the gateway. The engineer does want to ensure that the IDS sees all packets without any loss. Which of the following is the best way for the engineer to implement the IDS?

Options:

A.

Use a network tap.

B.

Use Nmap software.

C.

Use a protocol analyzer.

D.

Use a port mirror.

Question 28

Which of the following routing protocols uses an autonomous system number?

Options:

A.

IS-IS

B.

EIGRP

C.

OSPF

D.

BGP

Question 29

Which of the following attacks utilizes a network packet that contains multiple network tags?

Options:

A.

MAC flooding

B.

VLAN hopping

C.

DNS spoofing

D.

ARP poisoning

Question 30

A secure communication link needs to beconfigured between data centers via the internet. The data centers are located in different regions. Which of the following is thebest protocolfor the network administrator to use?

Options:

A.

DCI

B.

GRE

C.

VXLAN

D.

IPSec

Question 31

Which of the following is the most likely reason an insurance brokerage would enforce VPN usage?

Options:

A.

To encrypt sensitive data in transit

B.

To secure the endpoint

C.

To maintain contractual agreements

D.

To comply with data retentin requirements

Question 32

A network administrator configured a router interface as 10.0.0.95 255.255.255.240. The administrator discovers that the router is not routing packets to a web server with IP 10.0.0.81/28. Which of the following is the best explanation?

Options:

A.

Theweb server Is In adifferent subnet.

B.

Therouter interface isa broadcast address.

C.

TheIP address spaceis a class A network.

D.

Thesubnet is in a private address space.

Question 33

Users are unable to access files on their department share located on flle_server 2. The network administrator has been tasked with validating routing between networks hosting workstation A and file server 2.

INSTRUCTIONS

Click on each router to review output, identity any Issues, and configure the appropriate solution

If at any time you would like to bring back the initial state of trie simulation, please click the reset All button;

Options:

Question 34

After running a Cat 8 cable using passthrough plugs, an electrician notices that connected cables are experiencing a lot of cross talk. Which of the following troubleshooting steps should the electrician take first?

Options:

A.

Inspect the connectors for any wires that are touching or exposed.

B.

Restore default settings on the connected devices.

C.

Terminate the connections again.

D.

Check for radio frequency interference in the area.

Question 35

A systems administrator is investigating why users cannot reach a Linux web server with a browser but can ping the server IP. The server is online, the web server process is running, and the link to the switch is up. Which of the following commands should the administrator run on the server first?

Options:

A.

traceroute

B.

netstat

C.

tcpdump

D.

arp

Question 36

A network technician needs to resolve some issues with a customer's SOHO network. The

customer reports that some of the PCs are not connecting to the network, while others

appear to be working as intended.

INSTRUCTIONS

Troubleshoot all the network components.

Review the cable test results first, then diagnose by clicking on the appropriate PC,

server, and Layer 2 switch.

Identify any components with a problem and recommend a solution to correct each

problem.

If at any time you would like to bring back

the initial state of the simulation, please

click the Reset All button.

Options:

Question 37

Which of the following connectors provides console access to a switch?

Options:

A.

ST

B.

RJ45

C.

BNC

D.

SFP

Question 38

Anetwork administratoris reviewing aproduction web serverand observes the following output from thenetstatcommand:

Which of the followingactionsshould thenetwork administratortake toharden the securityof the web server?

Options:

A.

Disable the unused ports.

B.

Enforce access control lists.

C.

Perform content filtering.

D.

Set up a screened subnet.

Question 39

A company receives a cease-and-desist order from its ISP regarding prohibited torrent activity. Which of the following should be implemented to comply with the cease-and-desist order?

Options:

A.

MAC security

B.

Content filtering

C.

Screened subnet

D.

Perimeter network

Question 40

Which of the following is a cost-effective advantage of a split-tunnel VPN?

Options:

A.

Web traffic is filtered through a web filter.

B.

More bandwidth is required on the company's internet connection.

C.

Monitoring detects insecure machines on the company’s network.

D.

Cloud-based traffic flows outside of the company's network.

Question 41

A user cannot access an external server for a client after connecting to a VPN. Which of the following commands would a support agent most likely use to examine the issue? (Select two).

Options:

A.

nslookup

B.

tcpdump

C.

arp

D.

dig

E.

tracert

F.

route print

Question 42

Which of the following best explains the role of confidentiality with regard to data at rest?

Options:

A.

Datacanbe accessedby anyone on the administrative network.

B.

Datacanbe accessedremotely with proper training.

C.

Datacanbe accessedafter privileged access Is granted.

D.

Datacanbe accessedafter verifying the hash.

Question 43

A network administrator needs to set up a multicast network for audio and video broadcasting. Which of the following networks would be the most appropriate for this application?

Options:

A.

172.16.0.0/24

B.

192.168.0.0/24

C.

224.0.0.0/24

D.

240.0.0.0/24

Question 44

A network engineer configures the network settings in a new server as follows:

    IP address = 192.163.1.15

    Subnet mask = 255.255.255.0

    Gateway = 192.163.1.255

The server can reach other hosts on the same subnet successfully, but it cannot reach hosts on different subnets. Which of the following is most likely configured incorrectly?

Options:

A.

Subnet mask

B.

Gateway

C.

Default route

D.

IP address

Question 45

As part of an attack, a threat actor purposefully overflows the content-addressable memory (CAM) table on a switch. Which of the following types of attacks is this scenario an example of?

Options:

A.

ARP spoofing

B.

Evil twin

C.

MAC flooding

D.

DNS poisoning

Question 46

A network engineer is now in charge of all SNMP management in the organization. The engineer must use a SNMP version that does not utilize plaintext data. Which of the following is the minimum version of SNMP that supports this requirement?

Options:

A.

v1

B.

v2c

C.

v2u

D.

v3

Question 47

Users cannot connect to an internal website with an IP address 10.249.3.76. A network administrator runs a command and receives the following output:

1 3ms 2ms 3ms 192.168.25.234

2 2ms 3ms 1ms 192.168.3.100

3 4ms 5ms 2ms 10.249.3.1

4 *

5 ’

6 *

7 •

Which of the following command-line tools is the network administrator using?

Options:

A.

tracert

B.

netstat

C.

tcpdump

D.

nmap

Question 48

A network engineer performed a migration to a new mail server. The engineer changed the MX record, verified the change was accurate, and confirmed the new mail server was reachable via the IP address in the A record. However, users are not receiving email. Which of the following should the engineer have done to prevent the issue from occurring?

Options:

A.

Change the email client configuration to match the MX record.

B.

Reduce the TTL record prior to the MX record change.

C.

Perform a DNS zone transfer prior to the MX record change.

D.

Update the NS record to reflect the IP address change.

Question 49

A network administrator for a small office is adding a passive IDS to its network switch for the purpose of inspecting network traffic. Which of the following should the administrator use?

Options:

A.

SNMP trap

B.

Port mirroring

C.

Syslog collection

D.

API integration

Question 50

A network engineer receives a vendor alert regarding a vulnerability in a router CPU. Which of the following should the engineer do to resolve the issue?

Options:

A.

Update the firmware.

B.

Replace the system board.

C.

Patch the OS.

D.

Isolate the system.

Question 51

Which of the following network cables involves bounding light off of protective cladding?

Options:

A.

Twinaxial

B.

Coaxial

C.

Single-mode

D.

Multimode

Question 52

A firewall administrator is mapping a server's internal IP address to an external IP address for public use. Which of the following is the name of this function?

Options:

A.

NAT

B.

VIP

C.

PAT

D.

BGP

Question 53

A network administrator is planning to host a company application in the cloud, making the application available for all internal and third-party users. Which of the following concepts describes this arrangement?

Options:

A.

Multitenancy

B.

VPC

C.

NFV

D.

SaaS

Question 54

A network technician replaced an access layer switch and needs to reconfigure it to allow the connected devices to connect to the correct networks.

INSTRUCTIONS

Click on the appropriate port(s) on Switch 1 and Switch 3 to verify or reconfigure the

correct settings:

· Ensure each device accesses only its

correctly associated network.

· Disable all unused switchports.

. Require fault-tolerant connections

between the switches.

. Only make necessary changes to

complete the above requirements.

Options:

Question 55

Which of the following are environmental factors that should be considered when installing equipment in a building? (Select two).

Options:

A.

Fire suppression system

B.

UPS location

C.

Humidity control

D.

Power load

E.

Floor construction type

F.

Proximity to nearest MDF

Question 56

A user's VoIP phone and workstation are connected through an inline cable. The user reports that the VoIP phone intermittently reboots, but the workstation is not having any network-related issues Which of the following is the most likely cause?

Options:

A.

The PoE power budget is exceeded.

B.

Port security is violated.

C.

The signal is degraded

D.

The Ethernet cable is not working

Question 57

Following a fire in a data center, the cabling was replaced. Soon after, an administrator notices network issues. Which of the following are the most likely causes of the network issues? (Select two).

Options:

A.

The switches are not the correct voltage.

B.

The HVAC system was not verified as fully functional after the fire.

C.

The VLAN database was not deleted before the equipment was brought back online.

D.

The RJ45 cables were replaced with unshielded cables.

E.

The wrong transceiver type was used for the new termination.

F.

The new RJ45 cables are a higher category than the old ones.

Question 58

A user notifies a network administrator about losing access to a remote file server. The network administrator is able to ping the server and verifies the current firewall rules do not block access to the network fileshare. Which of the following tools wold help identify which ports are open on the remote file server?

Options:

A.

Dig

B.

Nmap

C.

Tracert

D.

nslookup

Question 59

A network administrator is configuring a wireless network with an ESSID. Which of the following is a user benefit of ESSID compared to SSID?

Options:

A.

Stronger wireless connection

B.

Roaming between access points

C.

Advanced security

D.

Increased throughput

Question 60

Which of the followingservicesruns onport 636?

Options:

A.

SMTP

B.

Syslog

C.

TFTP

D.

LDAPS

Question 61

A network technician needs to install patch cords from the UTP patch panel to the access switch for a newly occupied set of offices. The patch panel is not labeled for easy jack identification. Which of the following tools provides the easiest way to identify the appropriate patch panel port?

Options:

A.

Toner

B.

Laptop

C.

Cable tester

D.

Visual fault locator

Question 62

Which of the following is the most closely associated with segmenting compute resources within a single cloud account?

Options:

A.

Network security group

B.

laaS

C.

VPC

D.

Hybrid cloud

Question 63

Which of the following steps in the troubleshooting methodology comes after using a top-to-top buttom examination of the OSI model to determine cause?

Options:

A.

Test in the theory

B.

Establish a plan of action

C.

Verify full system functionality

D.

Identify the problem

Question 64

Asmall businessis deploying new phones, and some of the phones havefull HD videoconferencing features. TheChief Information Officer (CIO)is concerned that the network might not be able to handle the traffic if it reaches a certain threshold. Which of the following can the network engineer configure to help ease these concerns?

Options:

A.

A VLAN with 100Mbps speed limits

B.

An IP helper to direct VoIP traffic

C.

A smaller subnet mask

D.

Full duplex on all user ports

Question 65

You have been tasked with implementing an ACL on the router that will:

1. Permit the most commonly used secure remote access technologies from the management network to all other local network segments

2. Ensure the user subnet cannot use the most commonly used remote access technologies in the Linux and Windows Server segments.

3. Prohibit any traffic that has not been specifically allowed.

INSTRUCTIONS

Use the drop-downs to complete the ACL

If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

Options:

Question 66

Which of the following should be configured so users can authenticate to a wireless network using company credentials?

Options:

A.

SSO

B.

SAML

C.

MFA

D.

RADIUS

Question 67

While troubleshooting connectivity issues, a junior network administrator is given explicit instructions to test the host's TCP/IP stack first. Which of the following commands should the network administrator run?

Options:

A.

ping 127.0.0.1

B.

ping 169.254.1.1

C.

ping 172.16.1.1

D.

ping 192.168.1.1

Question 68

Which of the following is most closely associated with a dedicated link to a cloud environment and may not include encryption?

Options:

A.

Direct Connect

B.

Internet gateway

C.

Captive portal

D.

VPN

Question 69

An organization wantsbetter network visibility. The organization's requirements include:

    Multivendor/OS-monitoring capabilities

    Real-time collection

    Data correlation

Which of the followingmeets these requirements?

Options:

A.

SNMP

B.

SIEM

C.

Nmap

D.

Syslog

Question 70

SIMULATION

You have been tasked with setting up a wireless network in an office. The network will consist of 3 Access Points and a single switch. The network must meet the following parameters:

The SSIDs need to be configured as CorpNet with a key of S3cr3t!

The wireless signals should not interfere with each other

The subnet the Access Points and switch are on should only support 30 devices maximum

The Access Points should be configured to only support TKIP clients at a maximum speed

INSTRUCTONS

Click on the wireless devices and review their information and adjust the settings of the access points to meet the given requirements.

If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

Options:

Question 71

A network administrator is implementing security zones for each department. Which of the following should the administrator use to accomplish this task?

Options:

A.

ACLs

B.

Port security

C.

Content filtering

D.

NAC

Demo: 71 questions
Total 272 questions