Review Guide: 220-901 Practice Exam 2

Question 1

By default, what port (or ports) does the IMAP service use?

A. 20 and 21

B. 80

C. 143

D. 443

Answer 1

C. 143

By default, the IMAP service uses port 143.

Question 2

Which type of cache holds data that is waiting to enter the CPU?

A. L4

B. L3

C. L2

D. L1

Answer 2

D. L1

The Level 1 cache, also known as the L1 or front-side cache, holds data that is waiting to enter the CPU.

Question 3

By default, what port (or ports) does the FTP service use?

A. 20 and 21

B. 80

C. 143

D. 443

Answer 3

A. 20 and 21

By default, the FTP service uses ports 20 and 21.

Question 4

You want to add a printer to a network but not add a host computer. Which of the following is an appropriate solution?

A. Print monitor

B. Print driver

C. Print spooler

D. Print server

Answer 4

D. Print server

A print server is a popular option for adding a printer to the network and not adding a host computer. To be a print server, the network interface card (NIC) in the printer differs from a NIC in a computer in that it has a processor on it to perform the management of the NIC interface and it is made by the same manufacturer as the printer.

Question 5

Which of the following laptop states leaves programs running but requires the user’s password to be entered again before the session can continue?

A. Hibernate

B. Shutdown

C. Sleep

D. Lock

Answer 5

D. Lock

The Lock state leaves programs running, but locks the computer and requires the user’s password to be entered again before the session can continue.

Question 6

What is the distance limitation of 1000BaseLX fiber in multimode?

A. 220 meters

B. 412 meters

C. 550 meters

D. 5 kilometers

Answer 6

C. 550 meters

In a multimode format, the distance limitation is 550 meters (in single-mode, it is 5 km).

Question 7

WPA increased security by using what to scramble encryption keys?

A. AES

B. TKIP

C. Kerberos

D. RG-6

Answer 7

B. TKIP

WPA was able to increase security by using Temporal Key Integrity Protocol (TKIP) to scramble encryption keys using a hashing algorithm. The keys are issued an integrity check to verify they have not been modified or tampered with during transit.

Question 8

What is the maximum capacity for a standard SD card?

A. 1 GB

B. 2 GB

C. 4 GB

D. 8 GB

Answer 8

C. 4 GB

The maximum capacity for a standard SD card is 4 GB.

Question 9

At what speed does USB 2.0 run?

A. 12 Mbps

B. 120 Mbps

C. 480 Mbps

D. 840 Mbps

Answer 9

C. 480 Mbps

USB 1.1 runs at 12 Mbps, and USB 2.0 runs at 480 Mbps.

Question 10

Which of the following is an area where you can place a public server for access by people you might not trust otherwise?

A. WPS

B. NAS

C. PAN

D. DMZ

Answer 10

D. DMZ

A demilitarized zone (DMZ) is an area where you can place a public server for access by people you might not trust otherwise. By isolating a server in a DMZ, you can hide or remove access to other areas of your network. You can still access the server using your network, but others aren’t able to access further network resources.

Question 11

Up to how many chained IEEE 1394 devices can be on a single set of resources?

A. 4

B. 20

C. 36

D. 63

Answer 11

D. 63

IEEE 1394 transfers data at 400 Mbps and supports up to 63 chained devices on a single set of resources.

Question 12

Which of the following could an administrator use to manage the amount of bandwidth provided to applications that don’t function well with lags—voice and video, for example?

A. QoS

B. PoE

C. WPS

D. NAS

Answer 12

A. QoS

Quality of service (QoS) describes the strategies used to manage the flow of network traffic. A network administrator can use QoS to manage the amount of bandwidth provided to applications that are latency sensitive.

Question 13

What is the top upload speed possible with SDSL?

A. 1 Mbps

B. 1.5 Mbps

C. 1.6 Mbps

D. 3 Mbps

Answer 13

B. 1.5 Mbps

With SDSL (symmetric DSL), the top upload speed is 1.5 Mbps. The top download speed is also 1.5 Mbps.

Question 14

Which of the following is not a reason that 2.5² hard drives are used in laptops instead of 3.5² hard drives?

A. Smaller size

B. Less heat

C. Use less power

D. Faster

Answer 14

D. Faster

2.5² hard drives are smaller, produce less heat, and use less power, but in comparison to 3.5² hard drives they have less capacity and cache and operate at a lower speed.

Question 15

ATA-7 supports transfers of up to what speed?

A. 33 MBps

B. 66 MBps

C. 100 MBps

D. 150 MBps

Answer 15

D. 150 MBps

ATA-7 supports UltraDMA/133, with transfer modes of up to 150 MBps.

Question 16

Which of the following supports both digital and analog and can be obtained in both a single and dual link format?

A. DVI-D

B. DVI-B

C. DV I-I

D. DVI-A

Answer 16

C. DV I-I

DVI-D connectors supply digital signals only. These can also come in a single- or dual-link format. A dual-link format allows provision for a second data link. DVI-A has pins that can provide analog and digital. This type comes in a single-link format only. DVI-I provides analog and digital. These can also come in a single- or dual-link format. There is no DVI-B.

Question 17

Up to how many USB devices can share a single set of system resources?

A. 7

B. 27

C. 77

D. 127

Answer 17

D. 127

Some of the advantages of USB include hot-plugging and the capability for up to 127 USB devices to share a single set of system resources.

Question 18

Which of the following take the signal going out and echo it back, allowing you to test ports?

A. Punchdown tools

B. Toner probes

C. Loopback plugs

D. Multimeters

Answer 18

C. Loopback plugs

Also called wrap plugs, loopback plugs take the signal going out and essentially echo it back. This allows you to test ports to make certain they’re working correctly.

Question 19

On your impact printer, the characters are not coming out clean. Which of the following should you attempt?

A. Lubricate the print head

B. Clean the print head with denatured alcohol

C. Replace the ink tank

D. Clean the drum with a moist cloth

Answer 19

B. Clean the print head with denatured alcohol

On an impact printer, the print head should never be lubricated, but you can clean off debris with a cotton swab and denatured alcohol. A ribbon is used instead of an ink tank, and there is no drum.

Question 20

What do hard drives use to change the characteristics of the storage medium?

A. Laser

B. Magnet

C. Liquid

D. Resistor

Answer 20

B. Magnet

Hard drives work by using magnetism, rather than a laser, to change the characteristics of the storage medium.

Question 21

Which twisted pair wiring standard specifies the pin arrangements for the RJ-45 connectors on UTP or STP cables?

A. T568B

B. 802.11b

C. IEEE1394

D. WiMAX

Answer 21

A. T568B

The pin arrangements for the RJ-45 connectors on UTP or STP cables are specified by wiring standards T568A (older) and T568B (newer).

Question 22

You have counted the number of chips on a SIMM stick and are convinced that it’s parity RAM. How many chips should be there?

A. 8

B. 9

C. 10

D. 11

Answer 22

B. 9

You can identify parity SIMM by counting the number of chips on the stick. If there are nine, it’s parity RAM. If there are eight, it’s nonparity.

Question 23

Your laser printer is reporting that it needs a maintenance kit installed. Which of the following is not usually included in a maintenance kit?

A. Stepper motor

B. Feed roller

C. Transfer roller

D. Fuser

Answer 23

A. Stepper motor

Maintenance kits are marketed by the manufacturer. Each kit varies in contents based on the printer in question but typically consists of a fuser, a transfer roller, and the feed/separation rollers.

Question 24

What is the width of the USB bus?

A. 1 bit

B. 8 bit

C. 16 bit

D. 32 bit

Answer 24

A. 1 bit

Because USB is a serial interface, its width is 1 bit.

Question 25

Which of the following laptop states keeps the session in memory and puts the computer in a low-power state that you can quickly resume from?

A. Hibernate

B. Shut down

C. Sleep

D. Lock

Answer 25

C. Sleep

The sleep option keeps the session in memory and puts the computer in a low-power state that you can quickly resume from.

Question 26

Laptop memory comes in a small form factor and is known as:

A. SLIMM

B. TRIMM

C. SODIMM

D. TWIMM

Answer 26

C. SODIMM

Laptop memory comes in small form factors known as small outline DIMMs (SODIMMs).

Question 27

What do optical drives use to change the characteristics of the storage medium?

A. Laser

B. Magnet

C. Liquid

D. Resistor

Answer 27

A. Laser

Optical drives work by using a laser rather than magnetism to change the characteristics of the storage medium.

Question 28

What is used to identify each host by its unique number and determine specifically which addresses are allowed to access the network?

A. Port forwarding

B. SSID

C. MAC filtering

D. Port triggering

Answer 28

C. MAC filtering

When MAC filtering is implemented, you identify each host by this number and determine specifically which addresses are allowed to access the network.

Question 29

Which of the following is a high-speed type of RAM memory?

A. CRAM

B. SCRAM

C. FRAM

D. RDRAM

Answer 29

D. RDRAM

Rambus dynamic RAM (RDRAM) is a high-speed type of RAM.

Question 30

Which class of the following is a radio frequency technology that can connect a printer to a computer at a short range?

A. Bluetooth

B. Ethernet

C. CRT

D. Parallel

Answer 30

A. Bluetooth

Bluetooth is a radio frequency technology that can connect a printer to a computer at a short range; its absolute maximum range is 100 meters (330 feet), and most devices are specified to work within 10 meters (33 feet).

Question 31

Which RAID level is also known as disk striping?

A. 0

B. 1

C. 5

D. 10

Answer 31

A. 0

RAID 0 is also known as disk striping. RAID 5 is known as striping with parity.

Question 32

Which protocol provides a mechanism to access and query directory services systems?

A. SNMP

B. SMTP

C. DNS

D. LDAP

Answer 32

D. LDAP

Lightweight Directory Access Protocol (LDAP) provides a mechanism to access and query directory services systems.

Question 33

At what speed does USB 1.1 run?

A. 12 Mbps

B. 120 Mbps

C. 480 Mbps

D. 840 Mbps

Answer 33

A. 12 Mbps

USB 1.1 runs at 12 Mbps, and USB 2.0 runs at 480 Mbps.

Question 34

What is the capacity of data that a single-sided, single-density DVD normally holds?

A. 650 MB

B. 4.7 GB

C. 61 GB

D. 160 GB

Answer 34

B. 4.7 GB

A single-sided, single-density DVD normally holds 4.7 GB of data. In a double-sided, double-layered configuration, this can stretch to as much as 17 GB.

Question 35

Printer drivers vary based on which of the following?

A. The operating system being used on the file server

B. The operating system being used on the printer host

C. The operating system being used on the client computer

D. None of the above

Answer 35

C. The operating system being used on the client computer

The printer drivers vary based on the operating system being used on the client computer. If a printer is attached to more than one operating system, you have to make sure you have the appropriate driver for each operating system in use.

Question 36

Which type of cache holds data that is exiting the CPU?

A. L4

B. L3

C. L2

D. L1

Answer 36

C. L2

The Level 2 cache, also known as the L2 or back-side cache, holds data that is exiting the CPU and is waiting to return to RAM.

Question 37

Which of the following devices go into a DIMM slot?

A. Video card

B. Memory

C. CPU

D. Sound card

Answer 37

B. Memory

The listed devices would be placed in the following slot types:

Video card: Advanced Graphics Processor (AGP) slots were made to provide better support for video card.

Memory: This will go into either a SIMM or DIMM slot.

CPU: This will fit into a slot called a socket such as LGA 775.

Sound card: This most likely will use a PCI slot.

Question 38

What is the speed at which IEEE 1394a transfers data?

A. 100 Mbps

B. 200 Mbps

C. 300 Mbps

D. 400 Mbps

Answer 38

D. 400 Mbps

IEEE 1394 transfers data at 400 Mbps and supports up to 63 chained devices on a single set of resources.

Question 39

On an inkjet printer, calibration is more commonly known as which of the following?

A. Tweaking

B. Head alignment

C. Degaussing

D. Impacting

Answer 39

B. Head alignment

On an inkjet printer, calibration is more commonly known as head alignment.

Question 40

Which connector is used to connect a computer to an Ethernet network?

A. RJ-8

B. RJ-11

C. RJ-45

D. RJ-60

Answer 40

C. RJ-45

A standard RJ-45 connector is used to connect a computer to an Ethernet network.

Question 41

Which bus connects the RAM to the CPU?

A. Address

B. System

C. Expansion

D. AGP

Answer 41

A. Address

The address bus connects the RAM to the CPU.

Question 42

If Automatic Private IP Addressing is being used with IPv4, in what ip address range will a host’s IP address be?

A. 192.168.x.x

B. 169.254.x.x

C. 255.255.x.x

D. 127.0.x.x

Answer 42

B. 169.254.x.x

If a DHCP server cannot be found, the clients automatically assign themselves an IPv4 address, somewhat randomly, in the 169.254.x.x range.

Question 43

If Automatic Private IP Addressing is being used, what will the host’s subnet mask be?

A. 255.255.255.255

B. 255.255.255.0

C. 255.255.0.0

D. 255.0.0.0

Answer 43

C. 255.255.0.0

If a DHCP server cannot be found, the clients automatically assign themselves an IP address, somewhat randomly, with a subnet mask of 255.255.0.0.

Question 44

On an ATX, there is a single power connector consisting of a block of how many holes (in two rows)?

A. 12

B. 20

C. 24

D. 36

Answer 44

C. 24

On an ATX, there is a single power connector consisting of a block of 24 holes (in two rows).

Question 45

Which of the following is the most effective security feature to protect sensitive data on a mobile device?

A. Locator application

B. Remote backup

C. Passcode lock

D. Remote wipe

Answer 45

D. Remote wipe

Remote wipes are instructions sent remotely to a mobile device that erases all the data in cases where the device is stolen.

Question 46

Which function enables a mobile device to be located?

A. GPS

B. Screen orientation

C. Geotracking

D. Wireless scanning

Answer 46

C. Geotracking

Geotracking, which can be done through both cell towers and through 802.11 APs, can be used to locate a mobile device.

Question 47

______________ is a user interface feature used by dragging your finger up and down or left and right to access common tasks on the screen. This movement is akin to scrolling the screen left and right or scrolling the screen up and down.

A. Touchflow

B. Multitouch

C. Multiflow

D. Sliding window

Answer 47

A. Touchflow

Touchflow or TouchFLO is a user interface feature designed by HTC. It is used by dragging your finger up and down or left and right to access common tasks on the screen. This movement is akin to scrolling the screen left and right or scrolling the screen up and down.

Question 48

Which of the following is not an item you can sync between a mobile device and another device or location?

A. Contacts

B. Email

C. Updates

D. Pictures

Answer 48

C. Updates

Items that can be synced include contacts, email, pictures, music, and video, but not updates.

Question 49

Which statement is true about laptops and smaller mobile devices?

A. Mobile device parts are usually field serviceable.

B. Most laptops use mechanical drives.

C. Most mobile devices use mechanical drives.

D. Laptops use multitouch and touchflow technology.

Answer 49

B. Most laptops use mechanical drives.

Most laptops use mechanical drives. Mobile device parts are not usually field serviceable, most mobile devices use solid-state drives, and laptops do not typically use multitouch and touchflow technology.

Question 50

True or False: Mobile devices do not require antivirus software.

A. True

B. False

Answer 50

B. False

False: Mobile devices can suffer from viruses and malware just like laptops and desktops. Major antivirus vendors such as McAfee and Kaspersky make antivirus products for mobile devices that provide the same real-time protection that the products do for desktops. The same guidelines apply for these mobile devices: keep them up to date by setting the device to check for updates whenever connected to the Internet.