CompTIA Network+ practice test 1

A customer needs a router that is able to handle all incoming and outgoing networking traffic independent of the rest of the building. The customer would like the PCs to immediately connect to the Internet and network resources without any additional configuration. Which of the following should the technician do to meet the requirements?

Configure the router for DCHP

Which of the following is a form of microprocessor parallelization where each physical processor is treated as two virtual processors?

Hyper-threading.

Which of the following cloud service models would be recommended to a company for hardware capacity to host a production database application?

PaaS (Platform As A Service)

Which of the following RAID levels uses a minimum of 4 disks in 2 disk mirrored block?

RAID 10.

What are the advantages of using SSDs over traditional magnetic hard drives (HDDs)?

SSDs Consume less power SSDs More reliable and less susceptible to damage SSDs Do not have moving parts

A user brings his PC to a technician asking for a method to transfer data from a DVR to a DVD. Which of the following cards should the technician advise him to extract the data for archiving?

Video Capture

A user asks a technician to set up emails on his mobile device. The user also wants the server to retain a copy of the email. Which of the following ports will be the best for the technician to use for this purpose?

143

A junior network technician is setting up a new email server on the company network. Which of the following default ports should the technician ensure is open on the firewall so the new email server can send an email?

25

Which of the following ports is used for a secure browser connection to do online shopping?

443

Under ordinary situations, which of the following wireless standards offers the slowest transfer speed at 2.4GHz frequency?

802.11b.

Which of the following IEEE 802.11 standards includes the use of MIMO technology?

802.11n

Which device actively works to prevent collisions by making sure not to send data to a segment that is already busy?

A bridge

James, a network analyst, wants to create broadcast domains to eliminate the need for expensive routers. Which of the following will help him accomplish the task?

A virtual local area network (VLAN)

A company wants to ensure that its cloud infrastructure is secure as well as fully available. The company also wants to be alerted in the event of a security breach. Which of the following solutions will meet these requirements?

An Intrusion Detection System (IDS)

Which of the following is a passive monitoring system designed to alert administrators when something suspicious happens, but takes no action on its own?

An Intrusion Detection System (IDS)

Which of the following servers examines the credentials of anyone trying to access the network, and also determines if network access is granted?

Authentication.

Maria, a technician, is troubleshooting an expansion card in a computer that allows the computer to receive faxes over a VoIP line. The line connected to the expansion card is most likely which of the following cable types?

CAT-6

Which of the following categories of the twisted pair cable provides a maximum speed of 10 Gbps at a maximum frequency of 250 MHz?

CAT6

You're connecting a PoE enabled phone and want to run the drop from the switch that is 55 meters away. Which of the following cables will be the most appropriate for this purpose?

CAT6

Martha, a customer, reports to a technician about file system errors on her external hard drive. Which of the following commands will the technician use to repair these errors on the drive?

CHKDSK

Which of the following allows a processor to execute instructions and to read and write data at a higher speed than the regular RAM?

Cache memory

James, a graphic designer, is tasked to prepare a document of engineering and architectural design, including blueprints in both two and three dimensions. Which of the following will help him to accomplish the task?

Computer-aided design / computer-aided manufacturing (CAD/CAM)

Jennifer uses a desktop with three hard drives. She wants to configure RAID to allow the fastest speed and the most storage capacity. Which of the following RAID types should she configure to achieve this?

Configure RAID 0.

Maria, a system engineer, is required to implement a solution to handle data-at-rest encryption requirements for a database. Which of the following would be the best to satisfy these requirements?

Create a virtual encrypted disk, add it to the virtual server, and use it.

Joe, a user, contacts the network administrator to request a list of all static IP addresses in the building. Which of the following server roles would the network administrator most likely examine to find that information?

DHCP

Which type of server provides the ability to resolve UNC to appropriate IP addresses?

DNS.

A user is watching a training education video and notices black-colored and pin-sized dots in the same location on his laptop LCD screen. Which of the following is the cause of this issue?

Dead pixel

James, a user, enquires a technician for a device that has the ability to simply connect a laptop to an external monitor, mouse, and keyboard. Which of the following devices will the technician suggest to James?

Docking Station.

Which of the following characteristics are generally found on a docking station that port replicators do not offer?

Docking station: · Has independent hardware & electrical connections that allow quick/disconnect · May contain internal expansion ports or hard drives Port replicator · Similar to a docking station · Simpler/less expensive scaled down · Only standard ports available · Has external ports that can be left permanently · no expansion slots or disk drives · Most port replicators use a standard USB port on the laptop vs special docking port

John, a technician, is tasked to configure multi-function printers that will facilitate printing on both sides of a page. Which of the following printer configuration options will provide this functionality?

Duplex

James, a network administrator, is testing a new web server from outside of the corporate office network. He performs a test from a single PC and the web server responds accordingly. He then provisions several virtual machines on a network behind NAT and uses them to perform the same operation on the web server at the same time, but thereafter soon discovers that none of the machines can reach the web server. Which of the following could be responsible for this condition?

Firewall

Which of the following features are incorporated in USB 3.0 standard?

Full duplex communication Backward compatibility with USB 2.0 & 1.1 Enhanced power efficiency

Which of the following types of media connectors transmits digital video as well as audio?

HDMI

Which of the following are the best features to include in a home theater PC

HDMI Output & Digital Audio.

While configuring a firewall, a system engineer accidentally blocked port 443. Which of the following will be unavailable?

HTTPS

Which of the following custom configuration has a chassis with the smallest dimensions?

Home theatre PC.

Maria, a system administrator, wants to utilize the benefits of the major cloud providers while retaining some data and services in the local datacenter. Which type of cloud model should Maria consider?

Hybrid

Which of the following is core virtualization software that enables multiple virtual computers to run on a single physical host?

Hypervisor.

Which of the following protocols & port combinations is used for retrieving emails from a mail server?

IMAP4 & Port 143

Andrew, a network analyst, is tasked to provide security to the network traffic by ensuring data confidentiality, data integrity, sender and recipient authentication, and replay protection. Which of the following will help him accomplish the task?

IPSec

An incorrectly configured firewall on a company's network results in an inability to access the company's server using the FTP protocol. Which of the following is the most likely cause?

Incoming traffic on Port 21 is blocked.

James, a consultant, is helping a large company to migrate its development environment to a public cloud provider. The developers are working on a virtual desktop infrastructure solution. The development tools that employees utilize require greater control of the OS environment. Which of the following cloud types should the consultant implement?

Infrastructure as a Service (IaaS)

You're configuring the email settings on a computer. Which of the following configurations will allow you to synchronize email from a mail server?

Internet Mail Access Protocol version 4 (IMAP4)

John, a technician, needs to allow multiple PCs to share a common display, keyboard, & mouse. Which of the following devices will he use?

KVM switch.

Which of the following allows you to define a list of devices and only allow those devices on your WiFi network?

MAC filtering

Maria, a technician, needs to check the running configuration of a remote router securely. Which of the following protocols will she utilize to accomplish the task in the given scenario?

Maria will use the Secure Shell (SSH) protocol to check the running configuration of a remote router securely.

An organization has subscribed to a cloud service and the cloud provider wants to monitor and meter the customer's use of resources. Which of the following cloud computing concepts does this represent?

Measured Service.

Smith, a user, complains that his CD drive is not working. Lucy, a technician, verifies that it is completely dead. Lucy needs to ensure that the power coming to the CD drive is correct, and therefore she has to check its voltage. Which of the following tools will Lucy use?

Multimeter.

Which of the following allows for ad hoc data transfer between 2 NFC enabled devices?

NFC peer-to-peer mode.

Which custom configuration is most likely to include a RAID array?

Network attached storage (NAS)

The virtual machines hosted in the cloud used by developrs to code applications are an example of:

Paas (platform as a Service)

A technician was called to check an unexpected clicking noise on a desktop that has become more frequent every time a video editing application is loaded. The system fans have been replaced, but the clicking noise remains. Diagnostics have been run on the video card. Which of the following should the technician do first?

Perform a full data backup.

Which of the following cloud services would most likely be selected by a software development company that needs a cloud to develop software and does not have infrastructure requirements?

Platform as a Service (PaaS)

Which networking device is used to provide power to a wireless access point?

PoE Injector.

Jennifer, a technician, wants to set up a virtual private network for a small office. She also wants to ensure that the network traffic is routed to the correct machine. Which of the following will she use on the router to accomplish this task?

Port forwarding will enable Jennifer to open a port in the firewall and direct incoming traffic on that port to a specific IP address on her local area network (LAN).

What type of server is responsible for blocking the sender's identity while passing the information to the destination to prevent security-related issues?

Proxy.

Which of the following can be used to assign priority to certain types of network traffic?

Quality of service (QoS)

A server technician has been given a task to select the appropriate RAID levels that can recover the lost data if the server's hard drive crashes. Which of the following RAID levels should the technician select that can help to achieve this task?

RAID 1, 5 & 10.

Which of the following allows a user to remotely log in to a networked device and uses port 3389 as the default port?

RDP.

Jennifer, a technician, is monitoring a web application in the public cloud environment. She wants the number of virtual machines hosting the application to scale based on the real-time traffic on the website. Which of the following should she configure?

Rapid Elasticity

Andrew, a network administrator, wants to remotely connect two computers over a network. Which of the following protocols will he use?

Remote Desktop Protocol (RDP) and Virtual Network Computing (VNC)

John, a network administrator, has created a new virtual server according to specifications and verified that TCP/IP settings are correct. When the VM is powered on, an error message indicates that a network card MAC address conflict exists. What should John do to resolve this issue?

Remove the virtual NIC & configure another one.

Which of the following allows to secure file transfer protocols?

Secure Shell (SSH)

Which of the following is a UEFI feature that verifies an operating system's start-up loader is electronically signed by the vendor before it loads?

Secure boot.

Which of the following is commonly the main concern in public cloud implementations?

Security

Smith, an HR Manager, contacts a technician to set up a new PC for the employee assessment test. Which of the following peripherals will the technician most likely install alongside the PC? Each correct answer represents a complete solution. Choose all that apply.

Signature pad & Web Camera

Which of the following connectors are generally used for fiber optic cables?

Straight Tip (ST) and Local Connector (LC)

John, a system administrator, wants to join multiple computers together within the same LAN. He also wants to increase the number of devices on a LAN without sacrificing the performance. Which of the following network devices will he use to accomplish the given task?

Switch

James, a technician, needs to extend the organization's remote access functionality to be used by staff while traveling. He needs to maintain separate access control functionalities for internal, external, and VoIP services. Which of the following represents the best access technology for him to use?

Terminal Access Controller Access Control System Plus (TACACS+)

A network technician is troubleshooting an issue and has established a theory of probable cause. Which of the following steps should the network technician take next?

Test the theory to determine the cause.

You are working at a remote site where you don't have Wi-Fi access but do have cellular data access. Which of the following features should you use to connect a laptop to the Internet if the hotspot functionality is unavailable?

Tethering

Lucy, a customer, informs you that her PC's clock time is changing every morning. You check the time zone and find it is correct, and then check the BIOS settings and find the time to be incorrect. Which of the following is most likely the problem?

The CMOS battery does not have a charge.

Which connector is used to terminate household telephone cabling?

The RJ-11 (Registered Jack-11)

A customer wants a computer for performing a single-threaded task as quickly as possible. Which of the following is a CPU characteristic that is the most important in the given scenario?

The customer should check the clock speed of the CPU.

Which of the following expansion ports would be used to enable the transfer of power, data and video to peripheral devices on an Apple computer?

Thunderbolt

James is tasked to update a computers BIOS & firmware. What could be the possible reason for this update?

To provide support for new hardware To fix bugs that prevent the OS from installing or running properly.

You're troubleshooting a connection issue between a switch and a wall jack. You went into the switch room to check if the cable is plugged into the switch but you didn't recognize the cable because none of the cables were labeled. Which of the following tools will you most likely use to find the cable in the given scenario?

Toner probe

Which of the following types of cables are most likely to be uses to connect to an external hard drive?

USB 3.0 & eSATA.

Maria, a network administrator, wants to extend a virtual LAN segment to employees working from home by transmitting data securely across the Internet. Which of the following will help her to complete the task?

VPN

An organization wants to create a server VM that is segregated from the rest of the servers. Which of the following should be configured?

Virtual Network Interface Card (VNIC)

There are 20 laptops in a room and they all need ot be connected wirelessly to a wired network. Which of the following would be the best device to use?

WAP (wireless access point)

Which of the following printing options helps in reducing paper waster and make large print jobs more manageable?

duplex

You want to connect a laptop to a mobile device's Internet for use in circumstances where there is no Internet connectivity. Which of the following technologies will you use?

hotspot

Which of the following is an IP-based networking standard that facilitates dad transfers over intranets?

iSCSI (Internet Small Computer System Interface)

For which of the following types of printers should a technician obtain a maintenance kit containing a fuser, transfer roller, and pickup rollers?

l

Jennifer, a network administrator, wants to block external SSH connections from reaching internal machines. Which of the following ports should she block on the firewall?

port 22 for securing data communication.

Which of the following represents the number of pixels that make up the dimensions of a display?

resolution

Which type of fiber-optic connector, containing one fiber-optic strand per connector, is connected by pushing the connector into a terminating device and can be removed just by pulling the connector from the terminating device?

subscriber connector or standard connector (SC)

Your company has two mail servers responsible for sending, receiving, and managing emails. Which of the following network protocols will you use to transfer emails between servers?

the Simple Mail Transfer Protocol (SMTP)