CIT A+ Final Exam Question - Part Two

Which of the following 802.11x standards provides data transmission speeds up to 54Mbps in the 2.4GHz range? A. 802.11a B. 802.11b C. 802.11g D. 802.11i

C. 802.11g

Which network service is also known as zero configuration networking? A. DNS B. DHCP C. APIPA D. VPN

C. APIPA

What should you use with a laptop to avoid frequent insertion and removal of external input and video devices? A. KVM switch B. Port adapter C. Docking station D. PDA

C. Docking station

What is the lowest grade of cable required to run 100BaseT? A. Multi-mode fiber B. UTP Cat 3 C. UTP Cat 5 D. UTP Cat 5e

C. UTP Cat 5

Which of the following IPv4 addresses on your computer could indicate that it was unable to contact the DHCP server on the network? A. 172.16.1.150 B. 192.168.1.150 C. 168.192.1.150 D. 169.254.1.150

D. 169.254.1.150

Which wireless encryption standard uses AES? A. TKIP B. WEP C. WPA D. WPA2

D. WPA2

You configured an 802.11g network with three overlapping WAPs. What channels should they be set to? A. 1, 6, 11 B. 3, 6, 9 C. 2, 5, 8 D. All set to the same channel

A. 1, 6, 11

An autoswitching power adapter for a laptop accepts what approximate range of voltages as input? A. 100-240VAC B. 50-60VAC C. 110-120VAC D. 3.3-12VDC

A. 100-240VAC

On which port does FTP run by default? A. 21 B. 25 C. 63 D. 89

A. 21

What type of connector does ExpressCard use? A. 26 pin B. 34 pin C. 54 pin D. 34 pin or 54 pin

A. 26 pin

Which LCD component is responsible for providing brightness? A. Backlight B. Backdrop C. Inverter D. Screen

A. Backlight

What should you do first to remove external devices from your laptop? A. Click the Safely Remove Hardware icon. B. Click the Remove Hardware Now icon. C. Unplug the power to the device, then remove the device. D. Nothing. Just remove the device.

A. Click the Safely Remove Hardware icon.

For a user with a tight budget, which Internet connection type is likely to be the most economical? A. Dial-up B. DSL C. Cable D. Satellite

A. Dial-up

Which of the following Ethernet standards uses multi-mode fiber with a maximum length of 300 meters? A. 10GBaseT B. 10GBaseSR C. 10GBaseER D. 10GBaseLR

B. 10GBaseSR

Which two of the following are possible pin counts for SODIMM modules? A. 30 B. 144 C. 168 D. 200 E. 240

B. 144 D. 200

How many pins does a MicroDIMM memory module have? A. 198 B. 172 C. 144 D. 72

B. 172

Global Internet IPv6 addresses will look like which of the following examples? A. FF00::/8 B. 2000::/3 C. ::1/128 D. FE80::/10

B. 2000::/3

What QoS service level is described as "excellent load"? A. 2 B. 3 C. 4 D. 6

B. 3

A laptop has 1GB of installed memory, and uses shared video memory. If the video card is using 256MB, how much is left for the rest of the system? A. 1GB B. 768MB C. 512MB D. Cannot determine

B. 768MB

Which of the following wireless IEEE standards operates exclusively in the 2.4GHz radio frequency? A. 802.11a B. 802.11b C. 802.11d D. 802.11n

B. 802.11b

Which ExpressCard 1.x mode supports a maximum speed of 2.5Gbps? A. USB 2.0 B. PCIe 1.0 x1 C. USB 3.0 D. PCIe 2.0 x1

B. PCIe 1.0 x1

What type of network cable would you need to complete a connection of 20 kilometers between sites? A. Multi-mode fiber B. Single-mode fiber C. Stranded fiber D. UTP Cat-6a

B. Single-mode fiber

Which of the following is a primary difference between laptops and desktops? A. Desktop components must be larger. B. Laptop components are less expensive. C. Laptop components need to produce less heat. D. Laptops are more expandable than desktops.

C. Laptop components need to produce less heat

What service translates private IP addresses on your internal network to public IP addresses on the Internet? A. NAS B. DNS C. NAT D. APIPA

C. NAT

Which of the following is an example of an IPv6 link-local address? A. FF00::/8 B. 2000::/3 C. ::1/128 D. FE80::/10

D. FE80::/10