Cisco IT Essentials Practice Test

These questions are part of the practice quiz. Start practicing

• Which storage type is primarily used for long-term data retention in a computer?
• Which method is effective for identifying the cause of a network issue?
• A network administrator finds that access to a secure server using HTTPS is failing due to a firewall issue. Which port should be opened to solve the problem?
• What is the best response if a customer calls frustrated but a simple solution is available?
• What is the main purpose of a network monitoring tool?
• What type of malware is indicated if an internal computer is launching attacks on other computers?
• What is a primary purpose of virtualization technology?
• What is the purpose of a hard drive in a computer?
• What is the primary difference between cloud computing and a data center?
• Which connector is used to connect an internal hard drive to the motherboard?
• What is the usual range of IPv6 addresses?
• What is the essential function of encryption in data security?
• What is the primary function of a device driver?
• When assembling a PC, which situation requires a student to be cautious about ESD?
• What is a likely reason for slow data transfer and connectivity issues in a wireless network?
• Which technology combines multiple hard drives for performance and redundancy?
• How is network latency typically measured?
• The concept of minimizing attack surfaces relates to which security practice?
• What are two methods that could be used to wipe data from a drive?
• Which filtering method uses the physical address to control device access to a network?
• What should be used to pick up excess particles of toner when cleaning a laser printer?
• Which of the following best describes application software?
• What does asset management in IT involve?
• When a technician determines a password is not visible in Credential Manager, what might be the likely scenario?
• What is an IT help desk responsible for?
• What does a network monitoring tool help identify?
• What is the maximum number of primary partitions allowed per hard drive using a boot sector standard that supports a maximum partition size of 2TB?
• Which network protocol is used to automatically assign an IP address to a computer on a network?
• What action should a technician take when encountering a missing DLL error message?
• Which term describes the practice of securing devices on a network?
• True or False: Thin clients require a network connection to remote servers to perform data processing.
• Which IPv6 address represents the most compressed form of the IPv6 address 2001:0db8:cafe:0100:0f0d:0000:0000:00AA/96?
• Which step should you take first after pulling the pin from a fire extinguisher?
• What is the primary function of the 'ping' command in networking?
• What is the purpose of file permissions in an operating system?
• Why is documentation important in IT?
• What does a router do in a network?
• What are the four layers in the TCP/IP reference model?
• After confirming the removal of a virus, how should a technician ensure and verify full functionality of the system?
• What does it indicate when a user can access local resources but cannot reach the Internet?
• What is the primary advantage of using a surge protector?
• To ensure eSATA support in a custom-built PC, which component needs to be verified?
• What are the two steps that must be taken before cleaning a laptop computer?
• Which two default wireless router settings can compromise network security?
• Which component is primarily responsible for booting a computer?
• What does the CPU primarily do?
• A technician is configuring the channel on a wireless router to either 1, 6, or 11. What is the purpose of adjusting the channel?
• What is the role of a DMZ in network security?
• Why do laptop computers use CPU throttling techniques?
• Why might a user choose an HDMI cable when building a new computer system?
• What does the subnet mask 255.255.255.0 specify for an IPv4 address?
• Which best describes the function of antimalware solutions?
• Which service model in cloud computing provides software applications over the internet?
• What does an IP address in the 169.254.x.x range indicate?
• What is the proper CIDR prefix notation for a subnet mask of 255.0.0.0?
• Which troubleshooting step should be taken if a device cannot obtain an IP address?
• What are two potential risks that could result from rooting or jailbreaking a mobile device?
• What role does an IT help desk play in an organization?
• What is a key purpose of network services?
• Which two items could be used to help establish a plan of action when resolving a computer problem?
• Multiple users report that the workstations are assigned a 169.254.x.x IP address. What is a possible solution?
• What does "interoperability" refer to in technology?
• When checking DHCP client functionality using the command ipconfig /all, which two parameters are most relevant?
• Which two tasks should be done regularly to preserve the security and integrity of data and applications on mobile devices?
• What type of device provides power to a computer and allows it to be safely shut down in the event of a power loss?
• When would an Electrostatic Discharge (ESD) strike potentially harm a PC?
• What is the function of a switch in networking?
• Which command-line tool should a technician use to repair corrupted system files on a Windows 10 PC?
• How does a public IP address differ from a private IP address?
• Which is a primary advantage of using data wiping software over degaussing?
• What is the main purpose of DHCP?
• What is the function of RAM in a computer system?
• What are two indications that a mobile device battery needs to be replaced?
• What type of device is necessary for connecting multiple monitors to a single computer?
• What are two significant safety hazards associated with laser printers?
• Which component must be installed using screws externally through the PC case?
• When sharing a printer from a Windows 7 computer, what must be done for other Windows 7 computers to obtain the proper driver?
• What should be checked if a PC displays an IP address starting with 169.254.x.x?
• Which of the following identifies the primary role of subnetting?
• What is the purpose of using DHCP in a network?
• What is the primary goal of implementing the principle of least privilege?
• What type of cloud is customized for functional needs?
• What is the function of a system restore point?
• What is the main purpose of a VLAN in networking?
• Which of the following refers to a service that uses the Internet to provide resources?
• Which wireless security protocol is considered the strongest?
• When upgrading an ATX motherboard, which component might need to be upgraded accordingly?
• What should be the first step taken when troubleshooting a computer issue?
• What is the primary function of a proxy server?
• Which of the following is an example of cloud computing?
• Which of the following actions is part of effective patch management?
• What is one important consideration when installing a CPU on a newly upgraded motherboard?
• What does a UPS provide during a power failure?
• What is the host identifier of a device assigned the IPv6 address 2001:0db8:cafe:4500:1000:00d8:0058:00ab/64?
• What is the total number of bits used to represent a MAC address?
• Which solid-state storage technology allows a computer BIOS to be upgraded by flashing?
• What is the primary function of a load balancer?
• Which technology regulates voltage and current for a computer's power needs?
• A system restore point is typically used for which purpose?
• Which of the following describes the main role of a switch in a network?
• What is the recommended action if a technician suspects malware on a system?
• A technician is called to an office where the computer is randomly rebooting. Which component would most likely cause this issue?
• In security practices, what does the term 'privilege creep' refer to?
• What is the purpose of a subnet mask?
• Which two operations can help prevent a mobile device from being tracked without permission?
• Which statement is true about level one and level two technicians?
• With the IP address of 192.168.1.25 and a subnet mask of 255.255.255.0, how many bits are dedicated to the host address?
• A technician assisting with the installation of smart devices should be familiar with which two technologies?
• Which component can be easily damaged by the direct spray of compressed air when cleaning inside the computer case?
• During preventive maintenance, what situation highlights the risk of ESD when working on a computer?
• What is one of the main benefits of using a VLAN?
• In cybersecurity terminology, what do "cicadas" refer to?
• What power protection device would be most suitable for a PC technician's workstation to protect against power spikes?
• In IT security, which of the following best defines "social engineering"?
• Which of the following is NOT a primary responsibility of level two technicians?
• Which safety guideline is recommended for technicians working inside a laser printer?
• Which of the following is not a feature of booting a PC?
• A computer has an IP address of 169.254.100.88. What is the most likely issue?
• What is the primary purpose of an IT security policy?
• Which two types of expansion slots are commonly used by a wireless NIC in a computer today?
• A computer repeatedly locks without any error message. Which two conditions may be the cause of the problem?
• What is defined as malicious software intended to harm a computer?
• What is the significance of antivirus software?
• What typically happens during a data backup?
• What action should be taken if a laptop's battery bloats?
• Which of the following best describes the purpose of endpoint security?
• In what scenario would a default IP address configuration of 169.254.x.x typically occur?
• Which administrative command is typically used to list directory contents?
• What is the role of file permissions in information security?
• Which statement is correct about installing a 32-bit operating system on a x64 architecture?
• What does patch management typically involve?
• How do TCP and UDP differ in their approach to data delivery?
• Which of the following best describes malware?
• What potential issue can arise from broadcasting an SSID on a wireless network?
• Which two Windows operating systems cannot be upgraded to Windows 8.1 64-bit?
• What is the effect of configuring port triggering on a wireless router for a specific port?
• Why is it important to disconnect a laptop from power before cleaning it?
• Which two types of storage contain persistent data that can assist computer forensics specialists?
• What is the primary goal of system hardening?
• If a customer struggles to follow a technician's instructions, what should the technician do next?
• Which of the following is NOT a key component of a computer network?
• What is the primary function of the OUI in a MAC address?
• Which symptom indicates a Trojan infection on a computer?
• Which command is used to release and renew a DHCP lease on a Windows workstation?
• What is the primary function of a firewall?
• How many bits are needed to represent the network address of a host with an IP address of 192.168.150.16 and a subnet mask of 255.255.0.0?
• System hardening primarily aims to achieve which of the following?
• What is the benefit of using MAC address filtering in a network?
• Which version of Windows 10 is compatible with 32-bit upgrades from Windows 7?
• What distinguishes symmetric encryption from asymmetric encryption?
• Which type of cloud is available to a single specific organization?
• What does the acronym "ISP" represent in the context of internet technology?
• What role does encryption play in protecting sensitive data?
• During a security audit, what violation occurs when new users have access to resources beyond their job roles?
• What security solution should be recommended to protect against Trojans?
• What type of memory module is used to store instructions for booting a PC and loading the operating system?
• What is the primary function of a power supply in a computer?
• Which two motherboard components are crucial for controlling the system boot operations?
• Which of the following is a function of the motherboard?
• While working in a computer training room, the technician notices that one computer emits a loud clicking noise. Which device should the technician check first?
• A user notices that a mobile device is draining power faster than is normal. What are three causes of quick battery drain?
• What is the next troubleshooting step after a theory of probable cause has been established?
• A user wishes to upgrade a PC to Windows 10 from a PC running a 32-bit version of Windows 7. Which two editions of Windows 10 will support this upgrade?
• What is SSL used for in web communication?
• A group of users is unable to connect to the network and have IP addresses in the 169.254.x.x range. What is the most likely cause of this problem?
• Which type of encryption involves a public and private key?
• Which type of memory retains data without power?
• What component is part of the CPU's cooling system?
• What component is typically connected to the motherboard using a SATA cable during PC assembly?
• What characterizes a data breach?
• What might result in a user being able to print on a local printer but not access the Internet?
• What is the primary purpose of a system backup?
• What type of audit checks user account access levels against job roles?
• What could happen if a well-known administrator password is used on a router?
• What type of connector is commonly used to connect an internal hard drive to the motherboard?
• What is the main benefit of two-factor authentication?
• What does it mean when a system is referred to as "multi-tasking"?
• Which two devices are considered intermediary devices in a network?
• If a PC cannot connect to a wired network but can ping the loopback address, what is the likely cause?
• What is essential to demonstrate a chain of custody in computer forensics?
• Which Cloud computing service would be best for a new organization that cannot afford physical servers and networking equipment and must purchase network services on-demand?
• A technician is working on a laptop and a key on the keyboard is not responding as it should. What is a possible solution for this situation?
• In a network setup, what role does a DNS server primarily serve?
• What is a primary benefit of using a UPS?
• What role does the operating system play in user interface management?
• How should a technician respond to a customer who is frustrated due to poor past service but has a simple solution for a technical problem?
• What does "BIOS" stand for?
• Which of the following represents the most compressed form of the IPv6 address 2001:0db8:cafe:0000:0835:0000:0000:0aa0/80?
• Which service or protocol would simplify the workstation IP configuration task in a growing network?
• What are two purposes of botnets?
• What is a common risk associated with phishing?
• What is the key difference between IPv4 and IPv6?
• What would typically happen if a device cannot communicate with a DHCP server?
• What kind of cloud computing service allows users to store data remotely and access it from anywhere?
• Which network server is malfunctioning if a user can ping the IP address of a web server but cannot ping the web server host name?
• When hardware failure is detected by the BIOS, how is this failure commonly indicated?
• What is a network protocol?
• What is an essential characteristic of TCP?
• What command should a technician run to check and repair a corrupted Master Boot Record (MBR)?
• If a level one technician cannot help a customer, what is one appropriate action to take?
• Which of the following can be considered a hybrid cloud?
• What security technique could provide secure access to a server located in a small office without the expense of implementing a DMZ or purchasing a hardware firewall?
• In which situation would Electrostatic Discharge (ESD) be a concern when installing hardware in a PC?
• What does phishing aim to do?
• How many bits represent the Organizationally Unique Identifier (OUI) part of a MAC address?
• Which two existing components must be compatible with the installation of a new upgraded CPU?
• An administrator deploys wireless access points across the office to provide wireless connectivity. After connecting a file server with a static IP, an IP address conflict is reported. What is a possible solution?
• A workstation moved from the first floor to the fifth floor cannot connect to the network due to a suspected DHCP issue. What is a possible cause of the problem?
• What two temporary measures should be implemented to secure a wired network during ongoing changes?
• What tool is included in the Mac OS X for backing up disks to image files and recovering disk images?
• What does RAID stand for in data management?
• In symmetric encryption, what is utilized for both encryption and decryption?
• What type of issue may arise if DHCP is disabled on a local network?
• Which of the following is NOT a common type of computer software?
• What does network latency refer to in data transfer?
• What is typically a function of the CMOS battery in a computer?
• What is the next step in the boot process after the BIOS boots the computer using the first drive that contains a valid boot sector?
• Which command should a technician use to renew an IP address from the DHCP server?
• What does network topology describe?
• What is the correct compressed format of the IPv6 address 2001:0db8:eeff:000a:0000:0000:0000:0001?
• What happens when a partition is shrunk on a disk drive?
• What type of cooling method can be used for high-performance CPUs?
• Which component uses the greatest amount of power on most mobile devices?
• What service would make IP configuration easier for an increasing number of workstations?
• Which command line tool should be used to register a DLL file in Windows 10?
• What does the term "bandwidth" refer to in networking?
• What is the best definition of personally identifiable information (PII)?
• What port numbers would a technician be looking for in the captured packets for SNMP traffic?
• How can a technician split a large partition without losing any data on a Windows 10 PC?
• How many bits are utilized to represent an IPv6 address?
• What happens immediately after the BIOS initialization in the boot process?
• Which characteristic distinguishes DDR SDRAM from SDRAM?
• Which tool must an administrator use to remove all computer and user-specific information before building a deployable image from a disk?
• What is the primary purpose of an operating system?
• A company wants to ensure continuous computer operation, especially for 24/7 tasks. What is the best solution for this purpose?
• What is the function of an SSL certificate?
• What is the purpose of Sysprep.exe in the deployment of Windows operating systems?
• Why might a technician be unable to view a saved password for a website using Credential Manager on Windows 10?
• What does a Digital Certificate link to?
• In what two situations is a virtual printer typically used?
• What step in the troubleshooting process is represented by suspecting an invalid IP address as the cause of a network issue?
• A customer wants to scan old family photos into a laptop. What device should be recommended?
• Which of the following is a common cloud service model?
• In the context of endpoint security, which device is considered an endpoint?