220-801 CompTIA A+ Certification Practice Exam Set 7

A technician needs to extend the wireless signal in a building. Which of the following should the

technician use?



Options are :

  • Router
  • Hub
  • Access Point (Correct)
  • Switch

Answer : Access Point

Which of the following connectors would be found on a twisted pair cable?



Options are :

  • ST
  • BNC
  • RJ-45 (Correct)
  • SC

Answer : RJ-45

A user on a wireless network has the IP address 169.254.155.2 but cannot connect to the Internet.

Which of the following should the user check on the wireless router?



Options are :

  • DHCP (Correct)
  • DNS
  • WPA
  • WINS

Answer : DHCP

Which of the following devices on a home network should be placed in a DMZ?



Options are :

  • Wireless printer
  • Gaming server (Correct)
  • Backup server
  • Smartphone

Answer : Gaming server

Joe, a user, requests that a new printer be installed for his SOHO environment. Joe wants to be

able to print to the device from any location within the SOHO. Which of the following should be

used?



Options are :

  • 802.11 (Correct)
  • Bluetooth
  • Infrared (IR)
  • Serial

Answer : 802.11

Which of the following wireless protocols is limited to operating in the 5 GHz range ONLY?




Options are :

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

Answer : 802.11a

A new firewall has recently been installed and several users are now unable to access the

Internet. Which of the following ports is MOST likely being blocked?



Options are :

  • 80 (Correct)
  • 110
  • 23
  • 25

Answer : 80

A technician must trace a network cable from a userís desk to the punch down block in the wiring

closet. Which of the following tools would be the BEST choice?




Options are :

  • Multimeter
  • Toner probe (Correct)
  • Cable tester
  • Loopback plug

Answer : Toner probe

Which of the following can provide several networking transmission methodologies to be utilized in

a single device?



Options are :

  • Hub
  • Bridge
  • Router (Correct)
  • Switch

Answer : Router

Which of the following is the BEST protocol to use for securely transferring large files?




Options are :

  • Telnet
  • SFTP (Correct)
  • SSH
  • FTP

Answer : SFTP

Which of the following uses the RC4 cipher? (Select TWO).

A. WPA-personal TKIP

B. WEP

C. WPA2-enterprise CCMP

D. WPA2-personal CCMP

E. AES



Options are :

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

Answer : A,B

Which of the following is representative of a class C address type?




Options are :

  • 10.15.1.4
  • 172.20.15.5
  • 192.168.1.15 (Correct)
  • 169.254.125.15

Answer : 192.168.1.15

Which of the following connectors has a distinct round shape to it?



Options are :

  • RJ-45
  • MiniHDMI
  • RS-232
  • BNC (Correct)

Answer : BNC

How many total IP addresses are represented by the 255.255.255.0 netmask?



Options are :

  • 128
  • 512
  • 256 (Correct)
  • 1024

Answer : 256

Which of the following properties of TCP/IP is used to differentiate the network and the host

portions of an IP address?



Options are :

  • DHCP lease
  • Default gateway
  • Subnet mask (Correct)
  • DNS address

Answer : Subnet mask

Which of the following would a technician need to setup a cable modem at a customerís home?

(Select TWO).

A. Coaxial

B. CAT5e

C. PVC

D. Plenum

E. Fiber



Options are :

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

Answer : A,B

Which of the following 802.11 wireless standards provides the LOWEST maximum theoretical

throughput?



Options are :

  • A
  • G
  • B (Correct)
  • N

Answer : B

Which of the following BEST describes the function of DHCP?




Options are :

  • Encrypts data traffic on a network
  • Translates IP addresses to names
  • Assigns IP addresses on a network (Correct)
  • Blocks MAC address with security violations

Answer : Assigns IP addresses on a network

A DSL modem MOST commonly uses which of the following media?



Options are :

  • Wireless adapter
  • Fiber optic cable
  • . Cable TV coax
  • Household telephone lines (Correct)

Answer : Household telephone lines

Which of the following wireless technologies is primarily setup for video/audio and the frequency is

5 GHz?




Options are :

  • 802.11a (Correct)
  • 802.11b
  • Cellular
  • Satellite

Answer : 802.11a

Joe, a home user, reports that on occasion he cannot print from his laptop to his wireless printer.

The problem seems to occur only when Joe is at one end of his home. A technician checks the

signal strength of the laptop in that location and finds it to be good. The technician notes that Joeís

router is using the default SSID with no encryption. Which of the following could be the issue?



Options are :

  • The laptop is picking up another router with default settings. (Correct)
  • The printer drivers need to be updated on the laptop.
  • The wireless network needs to have encryption turned on in order to print.
  • The wireless printer does not have wake on LAN set properly.

Answer : The laptop is picking up another router with default settings.

Basic Internet web traffic generally travels on which of the following ports?



Options are :

  • 25 and 53
  • 110 and 53
  • 53 and 8080
  • 80 and 443 (Correct)

Answer : 80 and 443

Which of the following wireless standards only uses TKIP encryption?




Options are :

  • WPA (Correct)
  • WEP
  • WPA2
  • . AES

Answer : WPA

Which of the following allows for the FARTHEST transmission distance for data?



Options are :

  • Single-mode fibre (Correct)
  • Bluetooth
  • RG-6 cable
  • CAT6 cable

Answer : Single-mode fibre

Which of the following is the speed limitation for CAT3 wiring?




Options are :

  • 10Mbps (Correct)
  • 100 Mbps
  • 1000 Mbps
  • 1 Mbps

Answer : 10Mbps

Which of the following devices transmits data to all ports regardless of final destination?



Options are :

  • Hub (Correct)
  • Router
  • Firewall
  • Switch

Answer : Hub

Which of the following describes the expected properties of an asynchronous digital subscriber

line service?




Options are :

  • The data upload speed is faster than the data download speed.
  • The data throughput speed direction can be selected based on the userís discretion.
  • The data upload speed is the same as the data download speed.
  • The data download speed is faster than the data upload speed. (Correct)

Answer : The data download speed is faster than the data upload speed.

Which of the following ports MUST be open on a firewall for TELNET to be used?




Options are :

  • 110
  • 21
  • 23 (Correct)
  • 53

Answer : 23

Which of the following Internet connection types would typically have the GREATEST latency?



Options are :

  • Satellite (Correct)
  • ISDN
  • WiMAX
  • Cellular

Answer : Satellite

Which of the following wireless standards is backwards compatible with 802.11g?



Options are :

  • 802.11n (Correct)
  • 802.11b
  • 802.11a
  • 802.1q

Answer : 802.11n

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