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D 316 COMPTIA A+ Quizzes with Verified Solutions
Laser Printer Maintenance Kit Components Includes new fuser assembly, transfer/secondary charge roller, paper transport rollers (pickup rollers, separation pad) Nonbroadcast Network Name Causes Manual entry, unsupported wireless standard, out of range, interference Inkjet Printer Paper Jam Causes Misloaded paper, excessive paper, creased/dirty paper Print Device Configuration Info Requires IP address or host name, vendor utilities can assist in local network search Proxy Server Benefit Caches commonly requested data, reduces bandwidth usage, speeds up requests DHCP Reservation Configuration Value Media access control (MAC) address of the print device DNS Configuration Misconception Separate servers for name server and DNS resolver roles for performance and security Wi-Fi Analyzer Readings Signal strength of Wi-Fi networks, operating channels within range SNMP and Syslog Usage Recommendation SNMP for operational stats, Syslog for log entries, both essential for monitoring Cursor Jumping on Laptop Cause Touchpad interference, driver update, sensitivity adjustment needed
Firmware Security Password Types User password allows boot, supervisor password controls firmware access SOHO Router WAN Interface IP Address Must be from valid public range, not private or APIPA, 52.165.16.254 is valid Cloud Model for Virtual Machines Platform as a service (PaaS) model for web server, scripting, and database software Flat Data Connector Removal Secure latch must be popped up before cable removal SSL/TLS Application Port Usage HTTPS uses TCP/443 by default for secure communication IPv6 Configuration Requirement Prefix length indicates network/host portions, similar to subnet mask in IPv Cellular Usage for Broadband 4G and 5G for fixed access broadband and mobile devices, with SIM card installation SOHO Router DHCP Configuration Automatically provides IPv4 addresses to hosts Inkjet Printer Maintenance for Color Issues Clean printer, replace ink cartridge, check settings, alignment BCD Missing Error Resolution Use system recovery disk to repair boot information Port Flapping Identification Observe switch port states for rapid up/down transitions
NIC Bonding Aggregating NIC ports to achieve a 4 Gbps network link. S/FTP Cable Shielded/foiled twisted pair cable for protection in industrial settings. Blanking Plate Covering empty adapter slots to maintain airflow and prevent dust. Patch Panel Terminates cabling; requires a switch to connect cable segments. Up-Plugging Inserting x8 PCIe card into x16 slot for functionality. Troubleshooting Steps Consult colleagues, refer to documentation, escalate if needed. PGA CPU Insertion Aligning pin 1 and pins with socket holes to prevent damage. PSU Voltage Selector Checking correct voltage setting before powering on repurposed PCs. Backup Verification Ensuring data backup before troubleshooting PC systems. Software Patch Implementation Identifying consequences, scheduling, and rollback planning. Post-Repair Testing Testing system functionality and implementing preventive measures.
CPU Replacement Steps Disconnecting power cables, removing fan, heat-sink assembly. Temperature Alert Troubleshooting Checking fan connections and PSU for high-temperature alerts. USB 2.0 Type B micro Legacy USB connector for specific devices. Molex Connector Legacy power cable for high-power storage devices. Mini-ITX Motherboard Compact square form factor for PCs. Sound Card Adapter card with audio jacks for microphone and speaker connections. Display Ports on Laptop VGA and HDMI ports for display connectivity. Graphics Card Ports DVI and DisplayPort interfaces for video output. DVI to HDMI Adapter Supports DVI-D and HDMI interfaces for video connectivity. HDMI Digital audio/video interface for consumer electronics and computers. DisplayPort Digital audio/video interface with cross-compatibility.
sound card Provides sound playback and recording functionality. NIC Adapter card providing Ethernet ports for network connection. DVI Legacy video interface supporting digital or digital/analog signaling. VGA Legacy video interface supporting analog signaling. SCSI Legacy expansion bus standard for internal and external devices. IDE Legacy mass storage bus, commonly implemented as EIDE. DB- 9 Legacy 9-pin connector form factor used for serial. adapter cable Peripheral cable converting between connector form factors or signaling types. input voltage AC voltage range a PSU can accept from grid power. wattage rating Measure of power supply capacity. output voltages (3.3 VDC, 5 VDC, and 12 VDC) DC power supplied to computer components.
modular PSU PSU design with attachable power cables. redundant power supply System case configuration with two power units for fault tolerance. heat sink Cooling device optimizing heat transfer in PC components. thermal paste Cooling substance between component and heat sink for heat transfer. fan Cooling device improving air flow in PC cases and components. liquid-based cooling system System using pipes, water blocks, and pumps for heat transfer. SSD Persistent mass-storage device using flash memory. mSATA Connector form factor for internal solid state drives. NVMe Internal interface for connecting flash memory devices to a PCI Express bus. Secure boot UEFI feature preventing unauthorized processes during boot. Trusted platform module (TPM) Hardware for secure storage of encryption keys and user info.
Metropolitan area network (MAN) Network spanning a city area. Small office home office (SOHO) Network type for small-scale LANs and home offices. Datacenter Facility for reliable server provisioning. Storage area network (SAN) Network for storage resources provision. Personal area network (PAN) Close-range wireless network for personal devices. Patch panel Distribution frame for network cabling. Hub Layer 1 network device for star topology. Switch System for contention-free network segments. Managed switches Configurable Ethernet switch. Power over Ethernet (PoE) Specification for supplying power via switch ports. Injector Device supplying Power over Ethernet.
Unshielded twisted pair (UTP) Copper media type with twisted pairs to reduce interference. Shielded twisted pair (STP) Copper cabling with shielding to reduce interference. Twisted pair cable Network cable with twisted insulated copper wires. T568A/T568B Twisted-pair termination pinouts in network standards. Patch cord Flexible network cable with RJ45 connectors. Permanent cable Solid network cable terminated to punchdown blocks. Cable stripper Tool for stripping cable jacket or insulation. Punchdown tool Tool for terminating twisted-pair cable. Crimper Tool for joining RJ connectors to patch cables. Cable tester Tool for testing cable connections. Tone generator Tool for identifying cables in a bundle.
Coaxial (coax) cable Media type with two conductors sharing a common axis. Cable modem Digital modem using coaxial connection for internet access. F-type connector Screw down connector for coaxial cable. 802.11 standards IEEE specifications for wireless networking. Access point (AP) Device connecting wireless devices to wired networks. Basic Service Set Identifier (BSSID) MAC address of an access point's service area. Channels Subdivisions of frequency bands for Wi-Fi networks. Frequency bands Microwave radio spectrum portions for wireless products. Dynamic frequency selection (DFS) Regulatory feature preventing 5 GHz channel interference. Channel bonding Aggregating wireless channels for increased bandwidth. Multiple input multiple output (MIMO) Using multiple antennas for wireless bandwidth boost.
Multiuser MIMO (MU-MIMO) Supporting multiple client stations simultaneously. Orthogonal frequency division multiple access (OFDMA) Wi-Fi 6 feature for serving multiple clients. Service set identifier (SSID) String identifying a wireless LAN. Wi-Fi analyzer Device reporting WLAN characteristics like signal strength. Decibel (dB) Unit for network signaling power representation. Signal-to-noise ratio (SNR) Wireless signal level measurement in relation to noise.
