target="_blank" rel="nofollow" href="#n167" type="note">167 The most common RAM slots used in desktop and laptop computers, respectively, are what?
A. SODIMM and DIMM
B. miniDIMM and DIMM
C. DIMM and miniDIMM
D. DIMM and SODIMM
E. SODIMM and miniDIMM
F. miniDIMM and SODIMM
168 Which type of printing technology uses a heating element to make images on waxy paper?
A. Laser
B. Inkjet
C. Thermal
D. Dye sublimation
E. Solid ink
169 You have a laser printer that is displaying the message “Perform user maintenance.” What should you do to resolve this situation?
A. Apply a maintenance kit and clear the message.
B. Use compressed air to blow out the inside of the printer and clear the message.
C. Turn the printer off and back on again to clear the message.
D. Replace the toner cartridge and clear the message.
170 PCI-X expansion slots are compatible with what other adapters?
A. 33MHz PCI
B. 66MHz PCI
C. 133MHz PCI
D. 533MHz PCI
171 A user wants to create the ultimate gaming PC. Which of the following peripherals would be most appropriate for this type of system?
A. Barcode reader
B. Motion sensor
C. Joystick
D. Smart TV
Chapter 2
Networking
THE COMPTIA A+ EXAM 220-901 TOPICS COVERED IN THIS CHAPTER INCLUDE THE FOLLOWING:
✔ 2.1 Identify the various types of network cables and connectors.
■ Fiber
■ Connectors: SC, ST and LC
■ Twisted Pair
■ Connectors: RJ-11, RJ-45
■ Wiring standards: T568A, T568B
■ Coaxial
■ Connectors: BNC, F-connector
✔ 2.2 Compare and contrast the characteristics of connectors and cabling.
■ Fiber
■ Types (single-mode vs. multi-mode)
■ Speed and transmission limitations
■ Twisted pair
■ Types: STP, UTP, CAT3, CAT5, CAT5e, CAT6, CAT6e, CAT7, plenum, PVC
■ Speed and transmission limitations
■ Splitters and effects on signal quality
■ Coaxial
■ Types: RG-6, RG-59
■ Speed and transmission limitations
■ Splitters and effects on signal quality
✔ 2.3 Explain the properties and characteristics of TCP/IP.
■ IPv4 vs. IPv6
■ Public vs. private vs. APIPA/link local
■ Static vs. dynamic
■ Client-side DNS settings
■ Client-side DHCP
■ Subnet mask vs. CIDR
■ Gateway
✔ 2.4 Explain common TCP and UDP ports, protocols and their purpose.
■ Ports
■ 21 – FTP
■ 22 – SSH
■ 23 – TELNET
■ 25 – SMTP
■ 53 – DNS
■ 80 – HTTP
■ 110 – POP3
■ 143 – IMAP
■ 443 – HTTPS
■ 3389 – RDP
■ 137-139 – NetBIOS/NetBT
■ 445 – SMB/CIFS
■ 427 – SLP
■ 548 – AFP
■ Protocols
■ DHCP
■ DNS
■ LDAP
■ SNMP
■ SMB
■ CIFS
■ SSH
■ AFP
■ TCP vs. UDP
✔ 2.5 Compare and contrast various WiFi networking standards and encryption types.
■ Standards
■ 802.11 (a/b/g/n/ac)
■ Speeds, distances and frequencies
■ Encryption types
■ WEP, WPA, WPA2, TKIP, AES
✔ 2.6 Given a scenario, install and configure SOHO wireless/wired router and apply appropriate settings.
■ Channels
■ Port forwarding, port triggering
■ DHCP (on/off)
■ DMZ
■ NAT/DNAT
■ Basic QoS
■ Firmware
■ UPnP
✔ 2.7 Compare and contrast Internet connection types, network types and their features.
■ Internet connection types
■ Cable
■ DSL
■ Dial-up
■ Fiber
■ Satellite
■ ISDN
■ Cellular
■ Tethering
■ Mobile hotspot
■ Line-of-sight wireless internet service
■ Network Types
■ LAN
■ WAN
■ PAN
■ MAN
✔ 2.8 Compare and contrast network architecture devices, their functions and features.
■ Hub
■ Switch
■ Router
■ Access point
■ Bridge
■ Modem
■ Firewall
■ Patch panel
■ Repeaters/extenders
■ Ethernet over Power
■ Power over Ethernet injector
✔ 2.9 Given a scenario, use appropriate networking tools.
■