You’re configuring a wired home network with four Windows computers, a switch, and a cable router that provides Internet access. All the computers can access the Internet, but none can access filesystem shares on each other. What is the most likely cause of the problem on the four network computers?

You are configuring a content filtering policy for images and text on a specific website. Which rules can be configured to filter content according to administrator-set policies?

Why is it NOT advisable to put a subnet outside firewalls when configuring publicly viewable servers, such as web, FTP, and email relay?

You are gathering information about an incident that left many users unable to access the company’s intranet. What type of questions should you ask when gathering information about the incident that might help you identify the problem?

You get a call from one of the salespeople. He said he could get to the Internet but not the sales server, and that he is about to lose a huge sale. Which of the following is the most likely cause of the problem?

A significant network problem occurred, with the web servers shutting down. John and his team are on the clock, trying desperately to identify the problem. He starts at the Physical layer, checks everything, and moves to the OSI model’s top layers. Which approach is being employed in this scenario?

You are troubleshooting a DNS problem in the network. After establishing and testing a theory of probable cause, you discover that the theory was not the cause of the issue. You tried and exhausted all theories, but the problem remained. What is the next logical step according to the CompTIA troubleshooting methodology?

At which step of the troubleshooting methodology have you devised a solution to a DNS problem and begun implementing it on the end-user device while awaiting results?

You are troubleshooting misconfigured routes on one of the routers. Which troubleshooting step saves a lot of time by narrowing the problem to a missing route?

You are troubleshooting a switch that has three computers connected to it. However, only two can communicate with each other. After confirming that the hardware is functioning properly, which of the following probable causes can be singled out for the third computer’s communication problem?

What kind of issue can occur when an electromagnetic signal conducted on copper wires is in close proximity to another cable?

You want a cabled connection between two switches. To avoid TX/RX transposition, which of the following cable pin layouts should you use?

Which network interface occurrences cause malfunctions on a full-duplex Ethernet network? (Choose two.)

You have received reports that some employees are staying late in the office, using office resources to play networked computer games with each other after hours. After investigating the MAC address table on the main network switch, you suspect someone is connecting an unauthorized switch to the main switch’s Ethernet port. Which command should you use to secure and prevent employees from connecting external switches to the network?

Which Power over Ethernet (POE) standard delivers more power and is compatible with Gigabit Ethernet with four wire pairs at 25.5 watts?

Which five states can the ports on a bridge or switch running Spanning Tree Protocol (STP) transition through?

A network administrator is configuring default routes. What is the network destination address for the host system’s default route in an IPv4 routing table?

The DHCP server on your local network has stopped assigning IP addresses to new systems. Upon investigation, you discover that the DHCP server’s IP address scope is exhausted. What should you do to address this issue quickly?

Jane has been assigned to build a domain controller for a new branch office. After installing a new Windows server and configuring it as a domain controller, she connects it to the office network. However, the domain controller fails to synchronize with the existing systems at the office. Which of the following could be the cause of this problem?

A corporate network user cannot access the Internet or communicate with devices outside their local subnet. They can, however, successfully connect to internal resources on the same subnet. Upon troubleshooting, you notice the following configuration:

IP Address: 192.168.1.25
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.2.1

What is the most likely cause of this connectivity issue?

A new folder has been uploaded to the company’s intranet servers. It contains training videos larger than 1GB. The marketing and sales teams were encouraged to access it at 8 AM and participate in the training session. The server hosting the files is an old system with limited resources. At 8:05 AM, the network slows down, and many users complain about not seeing the resource on the network. Many have their video streams stuck. Which network component is the most likely cause of this problem?

When data packets are transmitted over a network, an external disturbance might cause temporary service interruptions, dropouts, or even data loss. Which term describes this external disturbance?

You are downloading a large file from the Internet, and midway through, the download speed drastically slows down, resulting in a longer-than-expected download time. The Internet connection is stable and provides good download speeds. Which of the following is most likely the cause of this slowdown?

Your company has multiple floors in a building, each with multiple WLANs. You want to configure the channel usage three-dimensionally, ensuring no channel overlap. Which hardware should be used to prevent bleed from one floor to another?

Which of the following is NOT one of the legitimate causes of roaming misconfiguration?

A network administrator suspects someone in the office uses a Microsoft tablet to connect to the network. Any external devices are explicitly prohibited in the office. Assuming that the office network is 192.168.10.0/24, which command can be used to find illegal devices by discovering all the live hosts on the network?

You are working with Cisco routers for a client with an office spanning multiple floors in a building. While configuring the switch attached to a Cisco router, you thought about finding the devices connected directly to the router. You access the Bash shell and use the show cdp neighbors command. Which protocol was used in the command?

A visual fault locator cable continuity test can do all of the following except:

Which of the following commands displays the output in the exhibit?

You are configuring a port to belong to a VLAN by assigning a membership mode. After the assignment, you execute the ‘show vlan’ command. Next, you want to configure multiple ports at the same time. Which command is most appropriate for this task?