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A+ 220-1101 > Multiple Choice Questions > Flashcards

Multiple Choice Questions Flashcards

1
Q

What is the most important measurement of a projector’s performance if it’s primarily going to be used in a conference room with a lot of natural light?

A

Lumens

A projector with a very bright bulb (measured in Lumens) will project a visible image, even in a very bright room.

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2
Q

Sam is troubleshooting a switched-mode power supply with his multimeter. What are the three voltages he should expect to see?

A

3.3 V, 5.0 V, 12 V

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3
Q

What type of hard drive is the most resistance to physical shock?

A

SSD

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4
Q

The benefit of MAC Filtering in wireless networking is that the network ___.

A

Is more secure

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5
Q

What type of connector goes between a DSL modem and the wall?

A

RJ-11

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6
Q

You are rummaging through an old box of UTP cables, looking for the one that makes out at 1 Gbps. Which one are you going to grab?

A

CAT5e

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7
Q

You have RAID 5 set up on a server with ten drives installed. How many drives can fail in the array and have the array still function?

A

1

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8
Q

A business wants to utilize remote employees and maintain control of the operating systems its employees use to get their work done. What is the best way for the company to get the control it wants?

A

Set up a VDI server and add a VM to it for each remote user they onboard.

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9
Q

You are setting up a RAID 5 drive array on your desktop PC. You have two 500-GB SATA HDDs. One of the drives is 7200 RPM and the other is 5400 RPM. Your RAID setup utility is unable to configure the RAID 5 array. What is the problem?

A

You need a minimum of three drives for RAID 5.

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10
Q

The best way to clean up spilled toner inside a laser printer?

A

Vacuum it out with a special vacuum designed for toner

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11
Q

A technician has a user whose system has active network link lights, but the user is unable to access any of the company’s internal network resources. What is the most likely cause of the issue?

A

IP address conflict

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12
Q

Which items would you most likely find in a laser printer’s maintenance kit?

A

Pickup rollers

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13
Q

What is the least secure type of wireless encryption?

A

WEP

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14
Q

On your Windows PC, your network status icon in the notification area shows that you have limited connectivity. What does this mean?

A

You can access other local client but not the Internet

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15
Q

A technician is called out to look at a wireless client that can’t access the Internet. She noticed that the computer has an IP address of 169.254.155.2. What is the problem?

A

DHCP

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16
Q

A corporation has an on-site data center that serves the organization. All corporate departments can provision storage space, servers, and databases; control how they are networked; and allocate the costs for these resources out of the departmental budgets. What best describe this type of service.

A

Private cloud & Infrastructure as a service

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17
Q

A user installed a net SOHO router and new wireless NICs to increase his network’s transmission speed from 802.11b to 802.11g. He didn’t change the router from the manufacturer’s default settings. The user lives in an apartment building and is still experiencing a slow internet connection after the installation. Which is the most secure option that a technician could implement to resolve this issue?

A

Enable MAC Filtering

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18
Q

A wireless network is experiencing intermittent connectivity. Which action would best resolve this issue?

A

Change broadcast channel

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19
Q

What provides data redundancy by writing data to two disks at the same time?

A

RAID 1

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20
Q

You want to configure disk striping on a desktop PC. Which level of RAID will accomplish this?

A

RAID 0

21
Q

Bilal is on his wireless network and his laptop receives the IP address 169.254.155.2, but cannot connect to the Internet. What should Bilal check on the wireless router?

A

DHCP

22
Q

If Windows boots into a fuzzy, low-resolution display mode, what kind of problem should you suspect?

A

Corrupted or incorrect video driver

23
Q

What are the voltages associated with a standard Molex connector?

A

12 V, 5 V

24
Q

Which symptom is indicative of a misconfigured BOOT.INI file?

A

Error at boot: “Windows could not start”

25
Q

What is not true of a mobile device?

A

It can be easily serviced and upgraded.

Being sealed, mobile devices are not easily serviceable and they are not designed to be upgraded.

26
Q

A corporate user is unable to connect to the Internet on their workstation. A technician finds the computer has a valid IP address, can connect to corporate network shares, and can view local intranet pages on the workstation’s web browser. The admin tried to navigate to a public Internet page and the web browser times out. What should the technician review?

A

Proxy Settings

Proxy servers are often used in coporate settings to log and filter network traffic. It allows companies to prevent users from accessing certain content on the web. A user’s system must use specific proxy server settings in order to be able to gain access to the internet.

27
Q

A technician is installing and configuring a SOHO wireless network for a client. The client wants only 5 authorized computers to connect to the network within a defined IP range. What are two things the technician should configure on the router.

A

MAC filtering & DHCP

28
Q

Scott is excited that his new laptop has a Gigabit Ethernet (100BASE-T) NIC. However, when he plugs it into his network at the office, he gets only 100Mbit speeds. What is the problem?

A

The switch only supports 100BaseT

29
Q

A company uses a legacy program that requires Window 7. Microsoft no longer release security updates to the OS, which creates a security risk on your network. How can you ensure the access of legacy applicaiton without posing a network security risk?

A

Set up the Windows system with a hypervisor and a Windows 7 VM that has the necessary software installed on it. They can start it up when they need it and shut it down when they don’t.

Company can ultize a current version of windows and allow access to legacy application through the VM as needed.

30
Q

A client complains that they are unable to connect to a company network. The technician is dispatched to review the problem. The user is plugged into the wall jack, howeverm there is no connection. The technician troubleshoots the connection between the wall jack and the switch. All cables are plugged into the switch in the network room, however, none of the cables are labeled. Which tool should the technician use to find the cable?

A

Tone generator

31
Q

Takoda is trying to troubleshoot a number of complaints that have come in over the past month about poor call quality on her organization’s dedicated VoIP phones. What is least likely to be the problem?

A

A bad OTA update to the phones.

A bad over-the-air (OTA) update isn’t likely to be the problem, since dedicated VoIP phones have wired Ethernet connections.

31
Q

Best tool for technician to use to make sure that network wires are securely fastened in a wall jack?

A

Punch down

31
Q

What is a benefit of using virtual desktop infrastructure (VDI) in the cloud, over VDI on premises?

A

Easier to setup and maintain

VDI in cloud does not require in house virtualization servers to host the VMs, and will not require ongoing maintenance of those servers and the software that supports them.

32
Q

What is the best tool to verify a cable is plugged into the correct port on the patch panel?

A

Toner Probe

32
Q

Jerry is preparing to install a new wireless printer at home. He knows that because he lives in a crowded apartment complex, there are serveral wireless networks in the area. Which term will be used to determine the wireless network from which the printer will be available?

  1. CSMA/CA
  2. WPA
  3. SSID
  4. DHCP
A

SSID

32
Q

Bill returns from vactaion, plugs in his laptop to charge, and preps for dinner. The dog bumps the table with the laptop and the latop hits the floor. Bill checks for any obvious damage, but sees nothing. He leaves the laptop on the charger overnight. At work the next day, his laptop won’t come up at all, even when it’s plugged in. What is most likely the problem?

  1. The fall damaged the DC jack
  2. The fall damaged the hard drive
  3. The fall damaged the power brick
  4. The fall damaged the battery
A

The faill damaged the DC jack

Damage to the DC jack prevents it from charging and from running when plugged in.

33
Q

A RAID controller is required to ____.

  1. Add a second HDD to your PC
  2. Create a mirrored volume of two disk
  3. Speed up your PC
  4. Provide fault tolerance from a data backup
A

Create a mirrored volume of two disks

To create a mirrored volume of two disks, you MUST have RAID set up. There is no other way.

34
Q

Which display connections has 15 pins?

  1. HDMI
  2. DVI
  3. Component RGB
  4. VGA
A

VGA

35
Q

What voltage is assoicated with an ATX PSU?

  1. 6 V
  2. 2 V
  3. 12 V
  4. 10 V
A

12 V

36
Q

What goes at the end of an Ethernet Frame?

  1. FCS
  2. Data
  3. Dest. MAC
  4. Source MAC
A

FCS

37
Q

IPv4 address 169.254.2.1 is an example of what?

  1. APIPA
  2. Subnet mask
  3. Class A address
  4. Class C address
A

APIPA

Under orignal classification of IPv4 addresses, an address with a first octect value within range of 169.254.x.x is an Automatic Private IP Addressing (APIPA) address, assigned when a device is set up for autmatic IP address assigned but no DHCP server is available.

38
Q

What should you suspect if the computer’s date and time are not correct?

A

Dead motherboard battery

39
Q

What tool is used to attach RJ-45 connectors to the end of UTP cable?

A

Crimper

40
Q

Bob has just recently purchased a copy of Iron Man 2 on BD-ROM. He places the disc into his DVD-ROM drive, but the movie won’t play. What is the problem?

A

DVD-ROM drives cannot read BD-ROM discs.

41
Q

SOHO user has only one system to connect wirelessly, yet wants to protect their Wi-Fi network from unauthoized use. Which will best meet user requirement?

  1. Configure router to allow access by specific MAC address
  2. Configure the use of static IP address
  3. Configure the network to utilize a proxy
  4. Configure the use of DHCP
A

Configure the router to allow access by specific MAC addresses

42
Q

Which connector would you most likely find on a piece of twisted-pair wire?

A

RJ-45

Rj-45 only connector you might find on twisted-pair wire.
BNC found on coaxial cable
SC and ST are found in fiber-optic wires.

43
Q

Cursor on Otto’s laptop is slowly drifiting up and to the right across his screen. What should he try first?

  1. Replace touchpad
  2. Update touchpad driver
  3. Reboot laptop
  4. Reconfigure touchpad driver
A

Reboot laptop

44
Q

A client wants to store all her media in one place and then stream it to all her devices. What should a tech recommend to her?

  1. Gaming
  2. Home theather
  3. Home server
  4. Virtualization Workstation
A

Home server

Home server would suit client’s needs perfectly, enabling her to share all her media from 1 single machine.

Other 3 are not specifically designed to share media.

A+ 220-1101 (5 decks)

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