View Full CompTIA Tech+ FC0-U71 Exam Dumps and Practice Test Dumps

 

Question 341.

Which type of storage is typically fastest for temporary data that the CPU needs immediately?

1. CPU cache
   2. HDD
   3. Optical disc
   4. USB flash drive

Correct Answer: 1. CPU cache

Explanation:

CPU cache is very fast memory located on or near the processor and stores frequently used instructions and data. It is much faster than RAM and significantly faster than long-term storage such as HDDs, optical discs, or flash drives. Cache helps reduce the time the processor spends waiting for data. Modern CPUs often include multiple cache levels, such as L1, L2, and L3, each with different size and speed characteristics.

Question 342.

Which component is commonly used to increase the amount of working memory available to running applications?

1. SSD
   2. RAM
   3. PSU
   4. GPU fan

Correct Answer: 2. RAM

Explanation:

RAM provides working memory for running applications and the operating system. Increasing RAM can improve multitasking and reduce the need to use slower storage-based virtual memory. An SSD provides persistent storage, while the power supply and GPU fan serve different hardware functions. The amount of RAM a system can use depends on the motherboard, processor, operating system, and installed memory modules.

Question 343.

Which storage technology is generally more resistant to physical shock because it has no moving mechanical parts?

1. Optical disc drive
   2. Magnetic tape drive
   3. SSD
   4. Traditional HDD

Correct Answer: 3. SSD

Explanation:

Solid-state drives use flash memory and do not contain moving read/write heads or spinning platters. This generally makes them more resistant to physical shock than traditional hard disk drives. Optical and tape drives also depend on mechanical movement. SSDs also provide lower access times and quieter operation, though they still have limits related to write endurance, capacity, and cost.

Question 344.

Which component is most likely to fail if a desktop computer repeatedly loses power immediately after demanding applications begin using the CPU and GPU heavily?

1. Keyboard
   2. Mouse
   3. Webcam
   4. Power supply**

Correct Answer: 4. Power supply

Explanation:

Demanding applications can increase power consumption significantly. If the power supply is failing or does not provide enough capacity, the system may shut down or restart when the CPU and GPU draw more power. Other possible causes include overheating, so a technician should confirm symptoms and inspect temperatures and power behavior before replacing parts. Keyboards, mice, and webcams would not normally cause load-dependent shutdowns.

Question 345.

Which peripheral is most appropriate for producing a physical copy of a digital document?

1. Printer
   2. Scanner
   3. Microphone
   4. Webcam

Correct Answer: 1. Printer

Explanation:

A printer creates physical output from digital documents or images. Scanners perform the opposite general function by converting physical documents into digital files. Microphones capture audio, and webcams capture video. Common printer technologies include laser, inkjet, thermal, and impact printing, each with different operating characteristics and maintenance requirements.

Question 346.

Which type of printer commonly uses heat-sensitive paper and is often found in point-of-sale systems?

1. Inkjet
   2. Thermal
   3. Laser
   4. Impact only

Correct Answer: 2. Thermal

Explanation:

Thermal printers commonly use heat to create images on specially coated paper and are widely used for receipts, labels, and point-of-sale systems. They can operate quickly and quietly because they do not require liquid ink or toner. Inkjet printers use liquid ink, laser printers use toner, and impact printers physically strike a ribbon. Thermal paper can fade over time or react to heat, so it may not be ideal for long-term archival documents.

Question 347.

Which printer component permanently bonds toner to paper using heat and pressure?

1. Ink cartridge
   2. Print head
   3. Fuser
   4. Pickup roller only

Correct Answer: 3. Fuser

Explanation:

In a laser printer, the fuser assembly uses heat and pressure to bond toner particles permanently to the paper. Other components handle paper movement, imaging, and toner placement. If the fuser has a problem, printed pages may show toner that rubs off or appears improperly fused. Inkjet printers do not use a fuser because they apply liquid ink through print heads.

Question 348.

Which device is most appropriate for digitizing printed photographs or paper documents?

1. Printer
   2. Speaker
   3. Projector
   4. Scanner**

Correct Answer: 4. Scanner

Explanation:

A scanner captures images from physical documents and converts them into digital files. It can be used for photographs, forms, receipts, and other paper records. Optical character recognition software may also convert scanned text into editable content. Printers produce paper output, while speakers and projectors provide audio or visual output. Many multifunction printers include scanning capabilities.

Question 349.

Which network device forwards traffic within a LAN primarily using MAC addresses?

1. Switch
   2. Router
   3. Modem
   4. UPS

Correct Answer: 1. Switch

Explanation:

A switch connects devices on a local Ethernet network and forwards frames based primarily on destination MAC addresses. It learns which addresses are reachable through its ports and uses that information to direct traffic efficiently. Routers forward packets between IP networks, while modems provide connectivity to certain service-provider technologies. A UPS provides backup power.

Question 350.

Which network device is normally used to connect a local network to a different IP network?

1. Keyboard
   2. Router
   3. Scanner
   4. Access point only

Correct Answer: 2. Router

Explanation:

A router forwards IP packets between different networks. In a home or small office, the router commonly connects the local network to the internet. It may also provide DHCP, firewall, NAT, and wireless features. A switch primarily connects devices within one LAN. Keyboards and scanners are peripherals, while an access point primarily provides wireless network connectivity.

Question 351.

Which network service translates a domain name into an IP address?

1. DHCP
   2. SMTP
   3. DNS
   4. SSH

Correct Answer: 3. DNS

Explanation:

DNS converts human-readable domain names into IP addresses. For example, a browser can request the address associated with a website name before establishing a connection. DHCP assigns IP configuration, SMTP is used for email delivery, and SSH provides secure remote command-line access. DNS failures can make internet services appear unavailable even when direct IP connectivity is working correctly.

Question 352.

Which network service automatically provides clients with an IP address and default gateway?

1. DNS
   2. NTP
   3. HTTPS
   4. DHCP**

Correct Answer: 4. DHCP

Explanation:

DHCP automatically assigns network settings such as IP addresses, subnet information, default gateways, and DNS servers. This reduces the need for manual configuration. DNS performs name resolution, NTP synchronizes system time, and HTTPS secures web traffic. When DHCP fails, clients may receive a link-local address and be unable to reach normal network resources.

Question 353.

Which protocol is primarily used to send email messages between mail servers?

1. SMTP
   2. IMAP
   3. DNS
   4. DHCP

Correct Answer: 1. SMTP

Explanation:

SMTP is primarily used for sending email between mail servers and for submitting outgoing mail from clients. IMAP is commonly used to retrieve and synchronize messages, while DNS and DHCP provide different network services. Understanding common protocol purposes helps identify which service may be responsible when a specific application stops working.

Question 354.

Which protocol is commonly used by an email client to synchronize messages and folders with a mail server?

1. FTP
   2. IMAP
   3. SSH
   4. SNMP

Correct Answer: 2. IMAP

Explanation:

IMAP is commonly used to access and synchronize email stored on a server. It allows messages and folders to remain consistent across multiple devices. SMTP is normally used for sending mail, while FTP, SSH, and SNMP perform different functions. IMAP is particularly useful for people who access the same mailbox from a phone, tablet, and computer.

Question 355.

Which protocol is designed for secure remote command-line management of systems?

1. Telnet
   2. HTTP
   3. SSH
   4. TFTP

Correct Answer: 3. SSH

Explanation:

SSH provides encrypted remote command-line access and is commonly used to administer servers and network devices securely. Telnet performs a similar basic function but transmits information without equivalent encryption. HTTP is used for web traffic, while TFTP is a simple file-transfer protocol. Secure administration should use encrypted protocols whenever possible.

Question 356.

Which protocol is primarily used to secure communication between a web browser and web server?

1. FTP
   2. SMTP
   3. Telnet
   4. HTTPS**

Correct Answer: 4. HTTPS

Explanation:

HTTPS uses TLS to encrypt communication between a web browser and server. This helps protect sensitive data from interception and tampering during transit. FTP and SMTP serve different application functions, while Telnet provides insecure remote access. HTTPS improves transport security, but users should still verify that they are connecting to the intended website and avoid entering sensitive information on suspicious sites.

Question 357.

Which cybersecurity attack attempts to steal information by creating a fake login page that imitates a trusted service?

1. Phishing
   2. RAID failure
   3. Disk fragmentation
   4. Virtualization

Correct Answer: 1. Phishing

Explanation:

Phishing attacks commonly use fake websites, emails, or messages that imitate trusted organizations. The goal is often to steal usernames, passwords, payment information, or authentication codes. Users should verify unexpected requests independently and avoid entering credentials through suspicious links. Multifactor authentication and unique passwords help reduce the damage if credentials are exposed.

Question 358.

Which security measure is most effective at reducing the usefulness of a stolen password by requiring a second factor?

1. File compression
   2. Multifactor authentication
   3. Disk cleanup
   4. Screen resolution scaling

Correct Answer: 2. Multifactor authentication

Explanation:

Multifactor authentication requires more than one type of authentication evidence. For example, a password can be combined with an authenticator app, hardware security key, or biometric. This makes account compromise more difficult because possession of the password alone may not be sufficient. MFA is particularly important for email, remote access, cloud services, and privileged accounts.

Question 359.

Which troubleshooting action should be performed before replacing hardware when a computer begins showing an intermittent problem?

1. Delete all user files
   2. Reinstall every application
   3. Gather symptoms, reproduce the issue, and collect evidence
   4. Replace all components simultaneously

Correct Answer: 3. Gather symptoms, reproduce the issue, and collect evidence

Explanation:

Structured troubleshooting begins by clearly defining the problem. The technician should determine when the issue occurs, how often it happens, which components or users are affected, and whether it can be reproduced. Logs, error messages, temperatures, resource usage, and recent changes may provide useful evidence. Replacing hardware before gathering evidence can increase cost and make the underlying cause harder to identify.

Question 360.

A user says websites fail to load by name, but the same sites can be reached directly by IP address. What should be checked first?

1. CPU temperature
   2. Monitor cable
   3. Printer queue
   4. DNS configuration**

Correct Answer: 4. DNS configuration

Explanation:

If direct IP connectivity works but domain names fail, the problem most likely involves DNS. The technician should inspect the configured DNS server, test name resolution, and verify connectivity to the DNS service. CPU temperature, display cabling, and printer configuration do not explain this symptom. Testing by IP address and then by hostname is a useful method for distinguishing general network connectivity failures from DNS-specific problems.