220-1201 Practice Test 29 — 15 Questions

Question 1

A customer wants to connect two buildings that are 200 meters apart with a high-speed network link. Which cabling solution is most appropriate?

Accepted Answer

Fiber optic cable. Fiber optic cable is the most appropriate solution for connecting two buildings 200 meters apart because it supports high-speed data transmission over long distances without signal degradation. Unlike copper cables, fiber is immune to electromagnetic interference (EMI) and can easily exceed the 100-meter distance limit of twisted-pair cabling, making it ideal for inter-building links.

Answer

Cat6a copper cable

Answer

Coaxial cable

Answer

Wireless bridge

Question 2

A user complains that their internet is slow in the evenings, especially when streaming video. They have a cable modem and a wireless router. What is the most likely cause?

Accepted Answer

Network congestion due to many users sharing the same cable node.. C is correct because cable internet uses a shared coaxial cable node, and during peak evening hours, many subscribers in the same neighborhood are actively using the connection. This shared bandwidth leads to contention and reduced throughput, especially for high-bandwidth activities like streaming video, which is a classic symptom of node congestion rather than a local issue.

Answer

The wireless router is outdated.

Answer

The ISP is throttling streaming traffic.

Answer

Interference from other wireless networks.

Question 3

A company deploys a new internal application that uses a custom TCP port. The application fails to connect from client workstations. A technician verifies that the server is running and the firewall allows outbound traffic. Which step should the technician take next to identify the port issue?

Accepted Answer

Run netstat on the server to see if the application is listening on the correct port.. The technician needs to verify that the application is actually listening on the expected custom TCP port. Running `netstat -an` on the server will show all listening ports and their states; if the application's port is not listed, the application may be bound to a different port or not started correctly, which is a common cause of connection failures even when the server is running and outbound traffic is allowed.

Answer

Ping the server from a client to test network connectivity.

Answer

Use nslookup to verify the server's hostname resolves correctly.

Answer

Check the DHCP lease to ensure the client has a valid IP address.

Question 4

A small office is upgrading from 100Base-TX to 1000Base-T. The existing cabling is Cat5e, runs are under 50 meters, and terminations are T568B. After the upgrade, some workstations intermittently lose connectivity. What is the most likely issue?

Accepted Answer

The terminations are not fully seated or have poor contact on some pairs.. This question tests understanding that Cat5e supports Gigabit Ethernet, but poor termination or cable damage can cause issues. The correct answer is that the terminations may have poor contact or are not fully inserted, as 1000Base-T uses all four pairs and is less tolerant of faults than 100Base-TX.

Answer

The cable runs are too long for 1000Base-T.

Answer

The T568B wiring standard is incompatible with 1000Base-T.

Answer

The network switch ports are set to 100 Mbps full duplex.

Question 5

A customer reports that their external monitor connected via HDMI to a laptop shows a 'No Signal' message, even though the laptop screen works fine. The monitor has been tested with another device and works. What should you check first?

Accepted Answer

Press the function key to toggle display output.. This scenario tests basic display troubleshooting. The monitor works with another device, so the issue is likely with the laptop's video output or connection. The first step is to check if the laptop is set to output to the external display, often via a function key like F4 or F8.

Answer

Replace the HDMI cable.

Answer

Update the graphics driver.

Answer

Check the monitor's power cable.

Question 6

A technician is tasked with upgrading the RAM in an all-in-one (AIO) desktop. The AIO has a sealed back cover with several screws. After removing the screws, the cover still does not come off. What should the technician do next?

Accepted Answer

Use a plastic spudger to gently pry the cover along the seam to release clips.. All-in-one (AIO) desktops often use plastic clips along the seam in addition to screws to secure the back cover. After removing all visible screws, a plastic spudger is the proper tool to gently release these clips without damaging the casing or internal components. Forceful prying with metal tools or applying heat can crack the plastic or damage the display panel.

Answer

Use a flathead screwdriver to pry the cover off forcefully.

Answer

Check if there are hidden screws under rubber feet or stickers.

Answer

Apply heat to the back cover to soften any adhesive.

Question 7

A technician is troubleshooting a customer's smart home setup where the thermostat, lights, and door lock are controlled via a smartphone app. The devices communicate directly with each other without a central hub, but the range is limited to about 30 meters. Which network type is being used?

Accepted Answer

Personal Area Network (PAN). This scenario describes a Personal Area Network (PAN) because the devices (thermostat, lights, door lock) communicate directly with each other over a short range of approximately 30 meters without a central hub. This is characteristic of PAN technologies like Zigbee or Z-Wave, which use mesh networking to extend range and allow direct device-to-device communication within a limited area.

Answer

Local Area Network (LAN)

Answer

Wide Area Network (WAN)

Answer

Metropolitan Area Network (MAN)

Question 8

A technician is deploying a new Android app across several company tablets. The app requires access to the device's camera to scan barcodes. During testing, the app fails to open the camera on one tablet but works on others. What is the most likely cause?

Accepted Answer

The camera permission for the app has been denied.. The most likely cause is that the camera permission for the app has been denied. On Android, apps must request runtime permissions for sensitive hardware like the camera. If the user or a policy denied this permission, the app cannot access the camera, even if the hardware is functional. This explains why the app works on other tablets where the permission was granted.

Answer

The tablet's camera hardware is defective.

Answer

The app is not compatible with the tablet's Android version.

Answer

The tablet's storage is full, preventing the app from saving photos.

Question 9

A company is setting up a new branch office with 50 workstations and needs to connect them to the existing corporate network across a city. The connection must be dedicated and provide consistent bandwidth. Which type of WAN hardware should be installed at the branch office?

Accepted Answer

A CSU/DSU. This question tests knowledge of WAN hardware for dedicated connections. A CSU/DSU is used for T1 or leased lines, which provide dedicated bandwidth. Other options are for different connection types.

Answer

A DSL modem

Answer

A cable modem

Answer

A wireless access point

Question 10

A user reports that their inkjet printer prints blank pages even though the ink cartridges are full and the printer shows no error messages. The technician has already checked the ink levels and performed a nozzle check, which showed no ink on the test pattern. What is the most likely cause?

Accepted Answer

The printhead has failed and needs to be replaced.. Blank pages despite full cartridges and no errors often indicate a failed printhead that cannot deliver ink to the nozzles. The nozzle check pattern being blank confirms no ink is being ejected. A clogged printhead might show partial patterns, but a completely blank test suggests electrical or mechanical failure of the printhead.

Answer

The printer driver is corrupted and needs reinstallation.

Answer

The paper type setting is set to 'transparency'.

Answer

The ink cartridges are not properly seated.

Question 11

A technician is troubleshooting a laser printer that produces pages with a repeating smudge mark every 3 inches down the page. The printer uses a toner cartridge with an integrated drum. What component is most likely causing this defect?

Accepted Answer

The fuser roller is damaged.. A repeating defect at a regular interval is often caused by a damaged roller, and the interval helps identify which roller. A 3-inch interval matches the circumference of the fuser roller. The drum's circumference is typically larger, so the interval would be different.

Answer

The photosensitive drum is scratched.

Answer

The toner cartridge is low on toner.

Answer

The transfer roller is dirty.

Question 12

A technician is installing a thermal printer for a retail point-of-sale system. The printer uses direct thermal paper. What must the technician verify to ensure proper operation?

Accepted Answer

The paper is loaded with the coated side facing the print head. Direct thermal printers use heat to create an image on specially coated paper. The paper has a coated side that reacts to heat. If the paper is loaded with the uncoated side facing the print head, the heat will not reach the coating, and no image will be produced. Therefore, the technician must verify the paper is oriented with the coated side facing the print head for proper operation.

Answer

The printer driver is set to color mode

Answer

The printer is connected via Bluetooth

Answer

The printer has enough memory for graphics

Question 13

A technician is replacing the toner cartridge in a laser printer. After installing the new cartridge, the printer displays an error message that the toner cartridge is not recognized. The technician has verified that the cartridge is compatible with the printer model. What is the most likely cause?

Accepted Answer

The cartridge's chip is not making contact with the printer.. Laser printer cartridges have a chip that communicates with the printer. If the chip is not making contact, the printer cannot recognize the cartridge. This is often due to a protective seal or tape left on the cartridge, or improper seating. A firmware issue is less likely if the cartridge is compatible.

Answer

The printer's firmware is outdated.

Answer

The toner is low in the new cartridge.

Answer

The printer needs to be reset to factory defaults.

Question 14

A technician is troubleshooting a network where users can access the internet but cannot connect to a specific internal application server by its hostname. Pinging the server's IP address works. The DNS server is configured correctly for external names. What is the most likely cause?

Accepted Answer

The DNS server does not have an A record for the application server. Since users can access the internet and ping the server by IP, the network connectivity and external DNS resolution are working. The failure to resolve the internal server's hostname indicates that the DNS server lacks an A record for that specific hostname, preventing name-to-IP resolution for internal resources.

Answer

The DHCP server is out of IP addresses

Answer

NAT is misconfigured for the internal network

Answer

The proxy server is blocking the hostname

Question 15

A technician is deploying a new network in a warehouse and needs to connect two separate switches that are 120 meters apart. The cable run must support 1 Gbps speeds. Which networking hardware component should be used to ensure reliable connectivity?

Accepted Answer

Install a switch at the 60-meter midpoint and use two Cat6 cables.. A single Cat6 cable is limited to 100 meters for 1 Gbps Ethernet (per TIA/EIA-568 standards). By placing a switch at the 60-meter midpoint, you effectively create two separate 60-meter segments, each well within the 100-meter limit, ensuring reliable 1 Gbps connectivity. The switch regenerates the signal, overcoming the distance limitation without violating the standard.

Answer

Use a single 120-meter Cat6 cable.

Answer

Use a fiber optic cable with media converters on both ends.

Answer

Replace one switch with a hub to increase signal strength.