CompTIA Network+ Practice Questions

Question 1
Which of the following WAN technologies would have the HIGHEST latency?

A. Satellite
B. Cable
C. DSL
D. Frame-relay

Question 2
A tax accounting firm has decided to allow some employees to work from home during the tax season. Which of the following should be the MOST important criteria when planning the home office networks?

A. Amount of memory on each workstation
B. A secure VPN connection to the main office
C. The distance between each home office and the main office
D. The Internet Service Provider bandwidth capability

Question 3
Which of the following network appliances allows an IT department to restrict which websites are allowed to be accessed from the company network?

A. Proxy server
B. Load balancer
C. VPN concentrator
D. Virtual PBX

Question 4
A user is unable to access the network when the network printer is on. This is MOST likely due to which of the following?

A. Duplicate IP address
B. Compatibility mismatch
C. Duplex mismatch
D. Equipment limitations

Question 5
Which of the following describes a process that can translate internal network IP addresses to external ones?

A. Change control
B. NAT
C. PAT
D. Remote terminal emulation

Question 6
Which of the following threats would MOST likely be addressed in a company-wide security training class?

A. VLAN hopping
B. Evil twin
C. Social engineering
D. Man-in-the-middle

Question 7
A user is unable to access any Internet resources. A helpdesk technician determines there is no Internet connectivity issue. The technician compares the IP address information for both the user’s computer and the technician’s computer.
User’s computer
IP address: 192.168.100.45
Subnet mask: 255.255.255.0
Gateway: 192.168.100.1
DNS: 192.168.10.1
Technician’s computer
IP address: 192.168.100.76
Subnet mask: 255.255.255.0
Gateway: 192.168.100.1
DNS: 192.168.100.1

Which of the following is the reason the user is unable to reach any websites?

A. Subnet mask
B. Gateway
C. Name resolution
D. IP address

Question 8
Which of the following topologies uses various connections to increase redundancy?

A. Ring
B. Star
C. Mesh
D. Bus

Question 9
A technician is configuring mobile devices for new employees. Which of the following documents should be updated to show that the new employees are receiving these mobile devices?

A. Network diagram
B. Asset management
C. Organizational chart
D. Standard operating procedure
E. Change management

Question 10
Which of the following tools would a technician use to secure a CAT5e cable to a 110 block?

A. Wire strippers
B. Snips
C. Crimpers
D. Punch down

Question 11
A home user reports that a speed test website shows the following information:
Download speed: 33.3Mbps
Upload speed: 10.2Mbps

Which of the following is the correct interpretation of these results?

A. The home PC downloaded 33.3 MB of data to the website and uploaded 10.2 MB of data from the website.
B. The website upload bandwidth is saturated, and it does not match the download speed.
C. The home PC is receiving data at 33.3 Mbps and sending data at 10.2 Mbps.
D. The website is downloading data to its server at 33.3 Mbps and uploading data from its server at 10.2 Mbps.

Question 12
A network administrator recently installed a web proxy server at a customer’s site. The following week, a system administrator replaced the DNS server overnight. The next day, customers began having issues accessing public websites. Which of the following will resolve the issue?

A. Update the DNS server with the proxy server information.
B. Implement a split horizon DNS server.
C. Reboot the web proxy and then reboot the DNS server.
D. Put the proxy server on the other side of the demarc.

Question 13
A network technician has set up a firewall and entered only three rules allowing traffic on ports 21,110, and 25 to secure the network. Users are reporting they cannot access web pages using the URLs. Which of the following can the technician do to correct the situation?

A. Add a rule to the end allowing port 80 and 53.
B. Add a rule to the end allowing port 143 and 22.
C. Add a rule to the end allowing port 137 and 66.
D. Add a rule to the end allowing port 445 and 173.

Question 14
A PC is having trouble connecting to a remote resource. Which of the following will identify the routers a packet travels through and provide real-time feedback regarding latency?

A. tracert
B. NETBIOS
C. ipconfig
D. nslookup
E. ping

Question 15
When introducing new devices to the network, the organization’s security policy requires that devices be monitored to establish normal traffic patterns for the device. Which of the following is generated from initial monitoring?

A. SLA
B. Baseline
C. Forensic log
D. Vulnerability assessment

Question 16
Which of the following would BEST mitigate the risk of social engineering?

A. Man traps
B. Business continuity planning
C. End-user training
D. Penetration testing

Question 17
A technician needs to add new features to existing hardware devices. Which of the following should be performed to add the new features?

A. Firmware updates
B. Changing to IPv6
C. Cloning
D. Vulnerability patching

Question 18
A user in an apartment building on a wireless network is no longer able to print to the network printer. The user has been able to print to the printer in the past and nothing on the network has changed. A technician notices that the user has a different IP address scheme than what was originally setup and is able to browse the Internet using that IP address scheme. Which of the following is MOST likely the issue?

A. Connected to wrong WAP
B. Bandwidth saturation
C. Overlapping channels
D. Wrong antenna type

Question 19
Which of the following are appropriate environmental controls for a datacenter? (Select TWO).

A. Video
B. Voltage
C. Humidity
D. Locks
E. UPS
F. Temperature

Question 20
A technician has fixed an issue with an employee’s computer and verified that the system is fully operational. Which of the following should the technician do NEXT according to the troubleshooting methodology?

A. Document the findings
B. Contact the user
C. Duplicate the problem
D. Escalate to a senior technician

Question 21
A technician is configuring a VPN for a client. The client wants to be able to RDP into the company's servers from a remote location. Which of the following default ports should the technician open?

A. 143
B. 445
C. 3128
D. 3389
E. 8080

Question 22
A system administrator is connecting workstations to a switch. During testing and verification, the system administrator notices latency with processing data on the workstations. The system administrator then notices that the workstations are connected to 100Mb ports on the switch and the workstations have 1Gb NICs. Which of the following issues is the system administrator having with the switch and the workstations?

A. Speed and duplex mismatch
B. Bad switch ports
C. Bad NICs
D. Misconfigured IP

Question 23
A technician wants to configure the inbound port of a router to prevent FTP traffic from leaving the LAN. Which of the following should be placed on the router interface to accomplish this goal?

A. Static routes for all port 80 traffic
B. DHCP reservations for all /24 subnets
C. ACL for ports 20 and 21
D. MAC filtering using wildcards

Question 24
Ann, a user, reports that she is no longer able to access any network resources. Upon further investigation, a technician notices that her PC is receiving an IP address that is not part of the DHCP scope. Which of the following explains the type of address being assigned?

A. Unicast address
B. IPV6
C. DHCP6
D. APIPA




Network+ Answer Key

Question 1) A. Satellite

Question 2) B. A secure VPN connection to the main office

Question 3) A. Proxy server

Question 4) A. Duplicate IP address

Question 5) B. NAT

Question 6) C. Social engineering

Question 7) C. Name resolution

Question 8) C. Mesh

Question 9) B. Asset management

Question 10) D. Punch down

Question 11) C. The home PC is receiving data at 33.3 Mbps and sending data at 10.2 Mbps.

Question 12) A. Update the DNS server with the proxy server information.

Question 13) A. Add a rule to the end allowing port 80 and 53.

Question 14) A. tracert

Question 15) B. Baseline

Question 16) C. End-user training

Question 17) A. Firmware updates

Question 18) A. Connected to wrong WAP

Question 19) C. Humidity and F. Temperature

Question 20) ?A. Document the findings

Question 21) D. 3389

Question 22) A. Speed and duplex mismatch

Question 23) C. ACL for ports 20 and 21

Question 24) D. APIPA