220-1201 Practice Test 25 — 15 Questions

Question 1

A user reports that their email client cannot send messages but can receive them. The technician verifies that the email server is reachable and that the user's credentials are correct. Which protocol is most likely misconfigured in the email client?

Choose an answer to begin — your selection is scored in the full session.

Accepted Answer

SMTP. SMTP (Simple Mail Transfer Protocol) is used for sending outgoing email messages from a client to a server or between mail servers. Since the user can receive emails but not send them, and the server is reachable with correct credentials, the most likely misconfiguration is in the SMTP settings (e.g., wrong port, missing authentication, or incorrect server address).

Answer

POP3

Answer

IMAP

Answer

HTTP

Question 2

A marketing team uses tablets to capture customer signatures on glass screen protectors. They report that the capacitive stylus often skips or fails to register strokes near the edges of the screen. After testing, you find the issue persists even without the protector. Which accessory should you recommend to improve stylus precision?

Accepted Answer

A fine-tip active stylus. The issue persists without the screen protector, ruling out the protector as the cause. A fine-tip active stylus (Option C) uses a digitizer and Bluetooth or proprietary protocol to communicate with the tablet, providing precise edge-to-edge tracking. Passive capacitive styluses rely on the finger's electrical field and often fail near edges due to reduced capacitive coupling, making an active stylus the correct solution.

Answer

A tempered glass screen protector with an oleophobic coating

Answer

A Bluetooth keyboard

Answer

A different passive capacitive stylus with a larger tip

Question 3

A user needs to transfer files securely between two Linux servers over the internet. Which port should be allowed through the firewall for this purpose?

Accepted Answer

22. Secure file transfer between Linux servers typically uses SCP (Secure Copy) or SFTP (SSH File Transfer Protocol), both of which operate over SSH. SSH uses TCP port 22 by default, so allowing port 22 through the firewall enables encrypted authentication and data transfer. This is the correct choice because it provides confidentiality and integrity for the file transfer over the internet.

Answer

21

Answer

20

Answer

443

Question 4

A small business owner wants to connect five computers in a single office so they can share files and a printer without purchasing a server. Which network type should be configured?

Accepted Answer

Peer-to-peer network. A peer-to-peer network (B) is the correct choice because it allows five computers to share files and a printer directly without a dedicated server. Each computer acts as both a client and a server, making it ideal for small offices with fewer than 10 devices where centralized management is unnecessary.

Answer

Client-server network

Answer

Wide area network (WAN)

Answer

Metropolitan area network (MAN)

Question 5

A company's network uses a /24 subnet mask. The IT manager asks a technician to configure a new server with a static IP address of 192.168.1.300. The technician knows this is invalid. What is the reason this IP address cannot be used?

Accepted Answer

The octet value 300 exceeds the maximum of 255.. An IPv4 octet must be a decimal value between 0 and 255 inclusive. The value 300 exceeds this maximum, making the address 192.168.1.300 invalid. This is a fundamental rule of IPv4 addressing defined in RFC 791.

Answer

The address is outside the private IP range.

Answer

The address is a broadcast address.

Answer

The address is a network address.

Question 6

A customer reports that their new all-in-one printer can scan and copy locally, but they cannot send scanned documents to their email address. The printer is connected to the office network and can ping other devices. Which protocol is most likely misconfigured on the printer?

Accepted Answer

SMTP. The printer can scan and copy locally and is reachable on the network (ping works), but it cannot send scanned documents to an email address. This indicates the printer is configured to use SMTP (Simple Mail Transfer Protocol) to send the email, but the SMTP server settings (server address, port, authentication, or encryption) are likely incorrect or missing. SMTP is the standard protocol for sending outgoing email, which is exactly what the printer needs to deliver the scanned document as an email attachment.

Answer

FTP

Answer

IMAP

Answer

SNMP

Question 7

A user's laptop screen flickers intermittently, but the external monitor works fine. What is the most likely cause?

Accepted Answer

The display cable connecting the motherboard to the screen is loose or damaged.. The most likely cause is a loose or damaged display cable because the external monitor works fine, which rules out a GPU or driver issue. The display cable carries video signals from the motherboard to the LCD panel; intermittent flickering on the internal screen only indicates a physical connection problem at the hinge or connector. This is a common failure point in laptops due to repeated opening and closing.

Answer

The graphics driver is outdated.

Answer

The LCD panel is failing.

Answer

The inverter or backlight is failing.

Question 8

A technician is troubleshooting an Android phone that fails to connect to a corporate Wi-Fi network using WPA2-Enterprise with PEAP. The phone connects to other Wi-Fi networks without issue. What is the most likely cause?

Accepted Answer

The CA certificate for the network is not installed or trusted.. WPA2-Enterprise with PEAP requires the phone to validate the server's identity using a CA certificate. If the CA certificate is missing or untrusted, the EAP-TLS handshake fails, preventing connection even though the phone can connect to other (non-Enterprise) networks. This is the most common cause of such failures in corporate environments.

Answer

The Wi-Fi adapter is faulty.

Answer

The phone's date and time are incorrect.

Answer

The phone is using a static IP address.

Question 9

A company deploys tablets for inventory management. The tablets need to connect to a Bluetooth barcode scanner and also sync data to a cloud server over Wi-Fi. The Bluetooth connection drops every few minutes. What is the most likely cause?

Accepted Answer

Wi-Fi and Bluetooth are interfering because both use the 2.4 GHz band.. The most likely cause is that both Wi-Fi and Bluetooth operate in the 2.4 GHz ISM band, and when a tablet is actively using Wi-Fi to sync data to a cloud server, the radio can cause interference with the Bluetooth signal, leading to periodic disconnections. This is a well-known coexistence issue, especially in dense environments where both radios are active simultaneously.

Answer

The barcode scanner's battery is low.

Answer

The tablets are too far from the barcode scanner.

Answer

The cloud server is not responding to sync requests.

Question 10

A network administrator notices that a critical database server is responding slowly. The server uses both TCP and UDP for different services. Which of the following is a characteristic of UDP that could explain performance issues under heavy load?

Accepted Answer

UDP does not guarantee packet delivery or order. UDP is a connectionless transport protocol that does not guarantee packet delivery, ordering, or error recovery. Under heavy load, if the database server receives UDP datagrams out of order or loses packets, the application layer must handle retransmissions and reassembly, which can degrade performance. This lack of reliability and flow control means UDP can overwhelm a server with traffic it cannot manage, leading to slow responses.

Answer

UDP retransmits lost packets automatically

Answer

UDP uses a three-way handshake to establish a connection

Answer

UDP provides flow control to prevent congestion

Question 11

A customer calls stating that their Android phone's messaging app is not receiving SMS messages from one specific contact, but all other contacts work. The phone has good signal strength. What is the most likely cause?

Accepted Answer

The contact's number is blocked in the messaging app.. The most likely cause is that the contact's number has been blocked in the messaging app. Blocking a contact prevents SMS messages from that specific number from being delivered to the inbox, while all other contacts continue to work normally. This matches the symptom of a single contact failing to send SMS, with good signal strength and no carrier-wide issues.

Answer

The phone's SIM card is damaged.

Answer

The messaging app has a corrupted database.

Answer

The carrier is experiencing an outage in the area.

Question 12

A customer reports that their external USB 3.0 hard drive is only achieving transfer speeds of about 35 MB/s, far below the expected 5 Gbps. The drive is connected to a USB 3.0 port on the front of the computer case. What is the most likely cause of this performance issue?

Accepted Answer

The front-panel USB port is internally connected to a USB 2.0 header on the motherboard.. This question tests understanding of USB standards and cable/connector compatibility. USB 3.0 (5 Gbps) requires a cable with 9 pins, but if the case's front-panel header or cable is wired for USB 2.0 only (4 pins), the device will fall back to USB 2.0 speeds (480 Mbps, ~35 MB/s). The correct answer is that the front-panel USB port is internally connected to a USB 2.0 header.

Answer

The drive is formatted with FAT32 instead of NTFS.

Answer

The hard drive is failing and needs to be replaced.

Answer

The USB 3.0 driver is not installed in the operating system.

Question 13

A technician is setting up a new all-in-one PC for a reception desk. The PC has a touchscreen display. After installation, the touch function does not respond. The technician has verified that the display works and the OS is loaded. What should the technician check first?

Accepted Answer

Check if the touchscreen driver is installed in Device Manager. The most common reason a touchscreen fails to respond after a working display and OS load is a missing or incorrect driver. In Windows, the touchscreen driver appears under 'Human Interface Devices' in Device Manager; if it's not present or has a yellow exclamation mark, the OS cannot interpret touch input. Checking Device Manager is the quickest, non-invasive first step before considering hardware replacement.

Answer

Replace the touchscreen digitizer

Answer

Clean the screen with a microfiber cloth

Answer

Disable and re-enable the touchscreen in BIOS

Question 14

A technician is deploying a new virtual machine on a Type 2 hypervisor (hosted) for software testing. The host machine runs Windows 10 Pro with 16 GB RAM and a quad-core CPU. The test application requires 4 GB RAM and two virtual CPUs. After creating the VM with those settings, the technician notices the host becomes extremely sluggish even when the VM is idle. What is the most likely reason for this?

Accepted Answer

The host machine’s CPU does not support Intel VT-x or AMD-V.. Type 2 hypervisors rely on hardware virtualization extensions (Intel VT-x or AMD-V) to run virtual machines efficiently. If the host CPU does not support these extensions (or they are disabled in the BIOS), the hypervisor falls back to software emulation, which imposes heavy overhead on the host CPU. This overhead is present even when the VM is idle because the hypervisor must constantly manage emulated instructions. With the host running Windows 10 Pro and a quad-core CPU, the software emulation can cause the host to become sluggish. Allocating only 4 GB RAM to the VM leaves 12 GB for the host, which is sufficient for Windows 10 Pro and typical background processes, so option C is unlikely to be the cause.

Answer

The hypervisor does not support hardware acceleration for the guest OS.

Answer

The technician allocated too much RAM to the VM, leaving insufficient memory for the host OS.

Answer

The virtual switch is misconfigured, causing network loops.

Question 15

A server with a RAID 6 array of six 2 TB drives experiences a double drive failure. After replacing both drives, the technician starts the rebuild process, but the array status shows 'Degraded' and the rebuild fails. What is the most likely cause?

Accepted Answer

A third drive has developed bad sectors.. RAID 6 can tolerate two drive failures, but if a third drive fails or has bad sectors during rebuild, the array may fail. The most likely cause is that a third drive developed bad sectors during the rebuild, preventing successful reconstruction. This highlights the risk of rebuild stress on older drives.

Answer

The new drives are not the same capacity as the originals.

Answer

The RAID controller firmware is outdated.

Answer

The rebuild process was interrupted by a power outage.