Network Plus Certification Practice Test

These questions are part of the practice quiz. Start practicing

• Which two tasks should be performed before copying a standard configuration template onto a router?
• When selecting a site for a point-to-point bridge, what factor is most important?
• What is the minimum certificate requirement for an SSL VPN with certificate-based authentication in this scenario?
• In RIP, which metric is used to determine routes, implying which metric RIP would ignore?
• In a WAN scenario with a fiber backbone connecting offices, which device is appropriate to connect copper Ethernet to the fiber backbone?
• Which device is used to manage security features such as firewall, content filtering, intrusion detection and prevention, and data loss prevention in a single unit?
• A policy includes the statement about copying or distributing copyrighted material; which policy would this statement be part of?
• Which statement correctly describes the main difference between a hub and a switch?
• For interconnecting several offices securely and scalably without changing ISP agreements, which solution best fits the described objectives?
• For 802.1X authentication in a wireless deployment, which protocol is typically used to communicate with the authentication server?
• For security, what measure is commonly used to protect a point-to-point bridge?
• During a cable test where the technician suspects an incorrect type of cable, which pair of devices would most likely be connected with the tested patch cord?
• Which diagram shows the physical placement of devices and cables in a network?
• Which protocol is primarily used for error reporting and troubleshooting in IP networks?
• In an EMI-prone area, which cabling option provides a cost-effective improvement without moving to fiber?
• Which protocol is commonly used to implement a SAN over an IP network by carrying SCSI commands?
• What device connects a small home office to a cable provider's network to access the Internet?
• In a modern Ethernet network, which cabling category is appropriate for gigabit speeds in the described infrastructure?
• What technology should a company use to allow multiple clients to run an application hosted on Windows Server 2016 with server resources shared?
• If a TACACS server blocks the commands during a planned remediation on a switch, what should the technician do?
• Why would an internet service provider install a DWDM device at a new site?
• With a SIP trunk deployed in the network, which end‑user device is most likely used to place calls?
• Which device allows authorized personnel to remotely disable and enable alarms from outside the secured area?
• In the described SaaS usage, where is user data stored?
• In SNMP, which component defines the properties and metrics that can be managed on a device?
• Which wireless standard operates in the 5 GHz band and is designed for high throughput with wide channel widths?
• Which power-protection device ensures uninterrupted service for a web server farm during power outages?
• In a wireless LAN, CAPWAP is used primarily to manage what kind of communication?
• Which backup type takes the least time and uses the least disk space?
• To increase available bandwidth by using multiple network connections between a server and a switch, which server configuration should be implemented?
• Which frequency band is commonly used for high-throughput point-to-point wireless bridges?
• A technician configured a new 5 GHz SSID; a test laptop cannot see the new SSID; what would be most likely the reason?
• If a marketing team experiences slow access to raw video files stored in a SaaS platform, what first step should the network team take?
• Which device is capable of inter-VLAN routing and supporting multiple VLANs on a single device?
• In business continuity planning for critical network devices, which metric is used to determine reliability based on the average time between failures?
• Changing the native VLAN ID on a switch is used to mitigate which type of attack?
• To prevent inadvertent disclosure of sensitive information via emails and file transfers, which security control should be implemented?
• Which technology enforces access restrictions for corporate data based on the device's geographic location, ensuring certain apps and data are unavailable when outside the campus area?
• During a deployment, six new computers are given DHCP addresses in 192.168.4.0/26. Two receive 169.254.x.x addresses. What is most likely wrong?
• What is the purpose of onboarding in onboarding and offboarding procedures?
• Which instrument would a technician use to confirm a suspected fiber patch cord fault?
• Which WAN configuration enables secure multi-point hub-and-spoke connectivity with direct spoke-to-spoke communication?
• What is the primary purpose of an access control list (ACL) on a network device?
• Which tool helps identify RF interference sources in a wireless office space?
• PC-1 fails to receive an IP address in the network; what should be configured to fix the problem?
• Which command-line tool would a systems administrator use to verify the MAC address of a device on the local area network?
• A network technician notices the receive (RX) signal on a pair of wires is lower than expected. This is most likely an indication of which issue?
• To test patches in isolation, which action ensures you can rollback if problems occur?
• For redundancy purposes, a network engineer assigns a default gateway to end devices. What type of address should he use?
• Which Layer 2 security solution protects a network topology from malicious STP messages?
• Which protocol provides rules for establishing connections and sending data between applications and is connection oriented?
• When deploying a web server and a honeypot in the DMZ, which pair of diagrams should be updated?
• In a PoE deployment, which device serves as the power source for PoE powered endpoints?
• The following statement would typically appear in which policy: 'Employees are not allowed to copy or distribute copyrighted material without written permission'?
• To determine whether files stored on a server have changed, what should the company do?
• Which security control helps prevent rogue DHCP servers from issuing IP addresses on a network?
• If all hosts in the local subnet 192.168.1.0/25 should have FTP access, which outbound ACL rule should be implemented?
• For network perimeter security, which device is commonly used to enforce security policies and inspect traffic toward and from the DMZ?
• Which protocol is primarily used for remote management and monitoring of network devices at the application layer?
• Which WAN topology allows for many redundant interconnections to improve resilience?
• Smart cards in computer networking are primarily used for which purpose?
• Which statement best describes a unidirectional antenna used in a point-to-point bridge?
• If a cloud provider handles virtualization, storage, and network resources while the company manages licensing and the operating system, what service model is described?
• What is the minimum aggregate data rate required for the WLAN link in this scenario?
• In a point-to-point wireless bridge, performance is most affected by which factor?
• In a WPA2-Enterprise deployment, which server handles user authentication and authorization?
• Creating a cryptographic hash for each file on a server primarily helps with which security property?
• When hardening Layer 2, which action helps separate traffic by removing default VLAN risk?
• Which device is best suited to perform inter-VLAN routing within a multi-VLAN network?
• Which command-line utility is traditionally used to configure Linux firewall rules?
• Which policy addresses the licensing and permissible use of software across remote or satellite offices?
• Which device is typically used to manage and enforce policies across multiple Wi-Fi access points?
• In a service level agreement, which metrics are commonly specified to indicate service reliability?
• When mounting external antennas for a point-to-point bridge, which practice improves reliability?
• A Windows Server is behind a firewall and an LDAP-based application needs remote access to Active Directory. Which protocol/port should be allowed?
• During a security audit, the access point has issues that should be mitigated by changing its authentication method. What should be done?
• What is the logical topology of a network wired with multi‑layer switches?
• Which two standards can be used to connect switches via fiber optic links?
• Which statement best describes NIC teaming?
• Which wireless standard should the access point support if the network specifies an 80 megahertz channel bandwidth?
• A user reports reduced transfer rates for a server in a VLAN. The network admin checks a switch's settings; which parameter is most likely misconfigured?
• In disaster recovery planning, which metric estimates the reliability of a critical device by measuring the average time between failures?
• For a leased line connection with a transmission speed of 30 Mbps, which service is typically used?
• Which two standards are commonly used as optical transceivers to connect switches via fiber?
• To provide centralized LAN file storage that is cost-effective, easy to deploy, supports redundancy, and offers at least 3 TB, which solution should be used?
• Which transport-layer protocol is connectionless and does not guarantee delivery of data?
• Which NAS feature provides continuous data availability in the event of hardware failure?
• An alert indicates a router connectivity issue and logs show a Keepalive failure related to BGP. Which routing protocol should be investigated?
• PC-1 cannot access the internet in the given network scenario; what is the most likely cause?
• For reliability, why might you place a bridge near high ground?
• Which device should be used to configure a new area within OSPF?
• Which DNS resource record type is used to identify and locate services such as web servers?
• Which mechanism is used to elect a root bridge in a network?
• Which tool should be used to securely manage a Linux server remotely with encrypted communication?
• A wireless network experiencing overcapacity can be remedied by which of the following actions?
• What is a critical environmental requirement for a reliable wireless point-to-point bridge?
• Where should the wireless range extender be deployed to best improve coverage, given the strongest coverage area and weaker zones?
• In a WPA2 deployment seeking maximum security, which protocol should be implemented?
• Which activity helps identify open ports and potential services on a host during a security assessment?
• Which protocol provides time synchronization service over the global Internet?
• To deploy a WLAN topology without running new electrical wiring that supports the 5 GHz band, MU‑MIMO, and speeds of at least 2100 Mbps, while using a PoE solution that provides at least 25 watts per device, which combination of components should be used?
• What should a company implement to enforce security posture, quarantining non-compliant devices and initiating automated remediation?
• Which DNS record type is used to locate a service and its port for a domain?
• Which security standard is used for encryption in WPA2 deployments described?
• Which instrument would you use to identify interference sources that degrade wireless performance in an office environment?
• Which solution should be implemented to host a publicly accessible website while limiting exposure to the internal network and providing secure access?
• A company wants to add cloud on-demand solutions to an existing on-premises data center; which cloud model should be used?
• A team signs a document that restricts what they may discuss outside the project team; this is an example of what?
• Which technique should be used to determine whether data is encrypted when transmitted over a network?
• Which Authentication Protocol option requires a client certificate on each wireless client?
• A wireless network with a single AP experiences lag, connection issues, and users being kicked off after a BYOD policy is implemented. What is the most likely problem?
• Which protocol is recommended for integrity checking and encryption in a new wireless LAN controller deployment?
• In network design, what is the primary purpose of a DMZ?
• What type of VPN should a company use to connect two offices and provide access to resources in both offices including shared folders?
• Which statement describes a warm backup recovery site?
• What is the primary purpose of a wireless point-to-point bridge between two access points?
• Which connection type is used to implement a SAN using the existing network infrastructure?
• To connect two floors with a gigabit-capable link at minimum cost, which three items are needed?
• Which device uses the LWAPP and CAPWAP protocols for communication?
• What type of network documentation is used to document all network devices with their IP addresses, device names, and connection information?
• Which symptom is most likely caused by electromagnetic interference affecting copper Ethernet cabling?
• Which layer of the OSI model handles end-user application services and interfaces?
• A warm backup recovery site is characterized by having equipment and network connectivity ready but lacking recent data backups.
• After a technician tests a theory and confirms a probable cause, what should be done next?
• If technicians plan to emulate a penetration test to learn what services are running on network servers, which technique should they use?
• Which PoE standard provides up to approximately 25.5 watts per port?
• Which protocol provides the standard rules for host addressing, routing, and packet structure in the Internet Protocol Suite?
• Which device is typically used to route traffic between VLANs in a network that uses multilayer switching?
• Which layer of the OSI model are web browsers and email clients implemented at?
• A systems administrator cannot ping a file server, but users can access files normally. Which check should be performed?
• Which metric is used to determine routes when using RIP?
• During troubleshooting, escalation is appropriate when?
• What is the main purpose of placing a wireless range extender in a wireless deployment?
• A computer with a static IPv4 address is configured on a typical private network 192.168.1.0/24. What should be used as its default gateway?
• Exceeding the bend radius in a fiber optic cable primarily risks which performance issue?
• In a network containing a Layer 2 switch, a router, and a hub, with two WAN interfaces on the router, how many broadcast and collision domains exist?
• Which command is used to configure a host-based firewall on a Linux computer?
• Which TCP ports are used by FTP for data and control channels?
• An analyst suspects packets are being dropped due to a misconfigured ACL on a firewall. Where should technicians look for more detailed information?
• When connecting a remote office via a satellite internet service, what is the main performance concern?
• What type of policy governs the licensing terms under which software may be used across the organization?
• For maximum security in a site-to-site VPN, which combination of protocols should be used?
• A company's PC cannot access any resources on the network after a local issue is observed. What is the most likely corrective action?
• What is the recommended configuration to increase bandwidth when connecting NAS devices across multiple switches?
• If a fiber optic link between two buildings is broken, which tool should be used to locate the distance to the fault?
• In a BYOD security model that relies on location-based controls, which technology defines the permissible geographic area for device access?
• To allow virtual machines on a host to reach a physical server on the LAN without direct exposure, what should the technical services team configure?
• Which media access method is used with 802.11 networks and RTS/CTS to avoid collisions?
• Which device supports configuring multiple VLANs and can route traffic between VLANs?
• When hardening a Layer 2 network, which action helps restrict unused entry points on switches?
• Which technology enables secure, multipoint hub-and-spoke WAN communication with direct spoke-to-spoke connectivity?
• What cloud deployment model enables extending on-premises infrastructure with scalable on-demand resources while preserving existing systems?
• A company wants to implement an authentication and authorization solution for network devices that also directly supports device management; what should the company use?
• If a junior technician finds intermittent file server issues but there have been no network changes, what troubleshooting approach should be used?
• What encryption protocol is recommended for wireless networks to provide integrity and confidentiality?
• What device is used to collect log events from multiple sources, correlate them, analyze data to identify threats, and provide long-term storage and trend analysis?
• Which device maintains a CAM (Content Addressable Memory) address table mapping MAC addresses to switch ports?
• Which WAN technology would most likely be deployed for consumer broadband connections over telephone lines?
• In an IaaS model, which component is typically managed by the customer?
• A remediation plan for a network switch was tested in a lab before deployment. What is this documented plan typically called?
• A small company uses a web-based productivity suite and stores data locally on user machines. Which cloud delivery model best describes this setup?
• Routers operate primarily at which layer of the OSI model?
• What is the primary purpose of a DMZ in a network architecture?
• For a SOHO wireless LAN deployment across multiple rooms to maximize throughput, which two standards support multiple simultaneous data streams?
• Which backup approach copies only data that changed since the last backup operation?
• Which encryption method is used by WPA2 for strong security by default?
• Which protocol provides an encrypted tunnel for securing site-to-site connections between offices?
• Which mechanism monitors and manages virtual machine instances?
• A company wants to connect devices so that there are many redundant interconnections; which topology should be used?
• Which transport protocol is typically chosen for time-sensitive data when occasional loss is acceptable?
• Which network device handles inter-VLAN routing by performing packet switching?
• Which type of service connection is DOCSIS commonly used to provide?
• Which DNS zone type maps IP addresses back to hostnames?
• For a company with WPA2 Personal security, what is required for a client to connect?
• Which mechanism is used by TCP to set up and synchronize a new TCP/IP connection?
• A wireless site survey finds 12 nearby access points using channels 1, 6, and 11. How should interference be addressed?
• Which application-layer protocol is commonly used to monitor the number of connected clients and resource usage on network devices?
• Which performance parameter should be verified in a VoIP environment with 25 agents to address random quality issues, given a target maximum end-to-end delay of 150 ms?
• For centralized management of remote device access, which protocol provides authentication and authorization services?
• What term describes verifying a user's identity in a network access control scenario?
• What is the primary risk when a warm backup site does not have recent corporate data backups?
• For securing a connection from an on-site router to a cloud-based platform, which protocol is best suited?
• To create a wireless point-to-point bridge between two access points, which type of antenna is typically used?
• In a public Wi‑Fi setup, a user is redirected to a page where they must agree to terms before access. What is this mechanism called?
• If an access point shows intermittent access issues, which configuration change is suggested to resolve the problem?
• Which networking layer does a wireless bridge primarily operate at?
• Before copying a standard configuration template onto a router, which two configuration tasks should be performed?
• To ensure continued availability if AC power is lost for a web server farm, which technology is needed?
• What is the broadcast address for the subnet 192.168.1.0/25?
• What is one consequence of misalignment of directional antennas in a point-to-point bridge?
• DOCSIS-based internet service is typically delivered over which medium?
• After implementing a change on a switch to fix a network issue, what should the network administrator do next according to troubleshooting methodology?
• Which wireless standard supports MU‑MIMO and operates in the 5 GHz band to enable higher aggregate data rates?
• In EMI environments, what is the primary benefit of using Shielded Twisted Pair (STP) cabling over UTP?
• Which protocol is the open vendor-neutral standard for accessing and maintaining directory services?
• What is a common challenge when deploying point-to-point wireless bridges in urban environments?
• A manager wants mobile devices with low-power, short-range, contactless transfers including payments; which technology fits?
• If attenuation is observed on a network cable, what is the most likely impact on performance?
• During a security audit, a script uses MD5 to verify image integrity and uploads the image via FTP. What changes should be made to address security concerns?
• What is the role of the MIB in SNMP for network management?
• What type of devices are used at both ends of a typical wireless point-to-point bridge?
• After configuring MAC filtering on an access point, you discover that any device can still connect. What should you do to enforce the policy?
• Which of the following is an example of a social engineering attack?
• What is the most likely cause of messages about duplicate IP addresses appearing on client computers?
• In a typical secure configuration for a wireless bridge, which insecure service should be disabled?
• To prevent a bottleneck when three gigabit switches provide NAS access to end users, which configuration should be used?
• What tool should be used to help ensure a smooth office move when pre-wiring with Cat6 and employees will connect their own equipment?
• To place a web server in a DMZ and apply layer 7 filtering, which device should be used to configure the network boundary?
• Which service model does an ASP provide to subscribers?
• End-user training is most effective against which type of attack?
• What should a technician do first when a user reports loss of access to a network share?
• If the nslookup fails and shows an error, what should be created to fix the problem?
• Which approach helps ensure consistent network administration across multiple locations worldwide?
• Which of the following is an example of a valid multi‑factor authentication factor combination?
• A security audit reveals that users from all locations have full remote access to network devices. Which solution should be implemented to address this problem?
• Which security mode uses a single pre-shared key for all clients in a wireless network?
• When installing an access point in an area with glass walls and doors, what is the main interference concern?
• In the subnet 192.168.1.64/26, which of the following addresses is not a valid host IP?
• A NAS intermittently accessible; AP and NAS connected to a switch via a 100 Mbps link; what should the support team do to fix the connectivity issue?
• Which instrument is used to locate a fault distance on a fiber optic cable by sending a light pulse and analyzing reflections?
• In BGP, what is the purpose of a Keepalive message?