220-801 CompTIA A+ Certification Practice Exam Set 12

Which of the following Internet connection types would be MOST commonly used by a customer

who travels frequently?



Options are :

  • . Satellite
  • Line of site wireless
  • Cellular (Correct)
  • ISDN

Answer : Cellular

Which of the following is the MOST likely light source for a laptop screen? (Select TWO).

A. CCFL

B. CRT

C. Plasma

D. Matrix

E. LED



Options are :

  • DA
  • A,E (Correct)
  • A,B
  • C,D

Answer : A,E

Which of the following laptop displays would provide physical flexibility and transparency?



Options are :

  • OLED (Correct)
  • Standard LCD
  • LED-backlit LCD
  • Plasma

Answer : OLED

Which of the following ratings describes a cable that is safe to run above a drop ceiling with open

HVAC?

A


Options are :

  • Plenum rated (Correct)
  • STP rated
  • CAT5 rated
  • CAT6 rated

Answer : Plenum rated

Which of the following wireless standards has a transfer speed of 11 Mbps?



Options are :

  • 802.11n
  • 802.11g (Correct)
  • 802.11b

Answer : 802.11g

A standard Internet mail account receives incoming messages on which of the following ports?





Options are :

  • 143
  • 443
  • 110 (Correct)
  • 80

Answer : 110

Which of the following has the FASTEST connection speed?




Options are :

  • WiMAX
  • Dial-Up
  • Cable (Correct)
  • ISDN

Answer : Cable

Which of the following describes the function of a switch in a network?



Options are :

  • Converts a packet for transmission from one network to another network
  • Determines whether a packet belongs on an internal or external network
  • Transmits packets it receives to specific connections (Correct)
  • Broadcasts packets it receives to all connections

Answer : Transmits packets it receives to specific connections

Which of the following has a MAXIMUM transmission speed of 10 Mbps?




Options are :

  • CAT3 (Correct)
  • CAT6
  • CAT5
  • CAT5e

Answer : CAT3

A user wants to secure their home wireless network and allow only certain devices access to the

network. Which of the following measures would be the MOST effective means of limiting access?



Options are :

  • Turn off DHCP
  • Turn off SSID broadcasting
  • Disable DMZ
  • Use MAC filtering (Correct)

Answer : Use MAC filtering

Which of the following can be implemented on a WAP to ensure that only certain client machines

can access it?





Options are :

  • MAC filtering (Correct)
  • Wire encryption
  • Disabling SSID
  • Port forwarding

Answer : MAC filtering

Which of the following items describes the function of an inverter module used in a laptop?



Options are :

  • Converts AC to DC for the backlight
  • Supplies DC to the backlight
  • Converts DC to AC for the backlight (Correct)
  • Supplies AC to the LED panel

Answer : Converts DC to AC for the backlight

When installing additional RAM for a laptop, which of the following would MOST likely be used?



Options are :

  • DIMM
  • PCMCIA
  • PC card
  • SODIMM (Correct)

Answer : SODIMM

Which of the following should a technician configure on a small office home office (SOHO)

wireless router so IP addresses are automatically assigned to devices on the wireless network?





Options are :

  • DNS
  • NAT
  • MAC filtering
  • DHCP (Correct)

Answer : DHCP

Which of the following would require the need for a POTS line?



Options are :

  • Hub
  • Router
  • Modem (Correct)
  • Switch

Answer : Modem

Which of the following provides the LEAST network security?




Options are :

  • Hub (Correct)
  • Switch
  • Router
  • Firewall

Answer : Hub

Which of the following special function keys might prevent a user from connecting to the Internet?



Options are :

  • Screen lock
  • Wireless (Correct)
  • Bluetooth
  • Volume

Answer : Wireless

A client wants to store video and music in one central location and stream it to multiple devices.

Which of the following would BEST fill this need?





Options are :

  • Home server (Correct)
  • Virtualization workstation
  • Home theater
  • Gaming

Answer : Home server

When using the file transfer protocol in active mode, which of the following ports is used to transfer

a file?



Options are :

  • 23
  • 20 (Correct)
  • 115
  • 25

Answer : 20

Which of the following is the number of octets in an IPv4 address?



Options are :

  • 4 (Correct)
  • 16
  • 8
  • 64

Answer : 4

A technician must replace a 10/100 NIC in a Windows XP PC. The failed NIC is no longer

available and a substitute 1 GB NIC will be used. Which of the following MUST be performed to

accomplish the task?



Options are :

  • The network cable must also be upgraded.
  • The drivers for the new 1 GB NIC must be installed. (Correct)
  • The NIC speed cannot exceed 10/100 and the PC must support digitally signed drivers.
  • The PC must be rated to support the 1 GB NIC speed.

Answer : The drivers for the new 1 GB NIC must be installed.

Which of the following network devices would be MOST likely to perform Network Address

Translation (NAT)?



Options are :

  • Router (Correct)
  • Modem
  • Switch
  • Hub

Answer : Router

A technician needs to replace an internal component on a laptop. Which of the following would be

an important step to perform BEFORE replacing the component?



Options are :

  • Remove the display and all attached wiring from the base
  • Review manufacturers documentation for disassembly procedures (Correct)
  • Ensure that the battery has a full charge
  • Remove all screws from the bottom of the case

Answer : Review manufacturers documentation for disassembly procedures

A customer states that since the new firewall has been installed, the customer has not been able

to send email. Which of the following ports on the firewall should be checked?



Options are :

  • 25 (Correct)
  • 21
  • 443
  • 110

Answer : 25

Which of the following types of Ethernet should be used if a technician has no choice but to run

cable along fluorescent lighting arrays in a suspended ceiling?




Options are :

  • PVC
  • UTP
  • STP (Correct)
  • RG-6

Answer : STP

Which of the following cable types is commonly used for analog/digital television transmission?




Options are :

  • SC
  • CAT3
  • RG-6 (Correct)
  • UTP

Answer : RG-6

Which of the following types of memory is used with laptops?



Options are :

  • SDRAM
  • SODIMM (Correct)
  • RAMBUS
  • ECC

Answer : SODIMM

Which of the following is an advantage of dynamic addressing?



Options are :

  • To allow hosts with different subnet masks to communicate
  • To allow easy addition of new hosts to the network (Correct)
  • To prevent host computers from staying at one address
  • To allow hosts to use multiple addresses at the same time

Answer : To allow easy addition of new hosts to the network

A technician notices that the PC is not receiving an IP address. Which of the following tools would

the technician use to troubleshoot the computers NIC?




Options are :

  • Toner probe
  • ESD mat
  • Cable tester
  • Loopback plugs (Correct)

Answer : Loopback plugs

Which of the following describes a network topology MOST commonly used in a SOHO switched

network?



Options are :

  • Mesh
  • Bus
  • Hybrid
  • Star (Correct)

Answer : Star

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