1
Which optical media has the greatest storage capacity?
A) Single-layer, single-sided Blu-ray disc
B) Compact disc
C) Dual-layer, single-sided DVD
D) Dual-layer, double-sided DVD
A) Single-layer, single-sided Blu-ray disc
What is the approximate bus speed of DDR2 memory rated at PC2-5300?
A) 667 MHz
B) 533 MHz
C) 333 MHz
D) 400 MHz
E) 5300 MHz
C) 333 MHz
Which TCP/IP configuration parameter identifies the router that is used to reach hosts on remote networks?
A) DNS server address
B) WINS server address
C) Host name
D) Subnet masK
E) Alternate IP address
F) Default gateway
F) Default gateway
Which of the following protocols do e-mail clients use to download messages from a remote mail server?
A) FTP
B) SNMP
C) SMTP
D) POP3
D) POP3
How many devices does a single IEEE 1394 bus support?
A) 8
B) 63
C) 127
D) 256
B) 63
Lately you hear a clicking noise when reading or writing data from the hard disk. What is the most likely cause of the clicking?
A) Overheated CPU
B) Failed UPS
C) Failing hard drive
D) Bad Memory
C) Failing hard drive
You are designing a wireless network for a client. Your client needs the network to support a data rate at least 150 Mbps. In addition, the client already has a wireless telephone system installed that operates 2.4 GHz. Which 802.11 standard will work best in this situation?
A) 802.11a
B) 802.11b
C) 802.11g
D) 802.11n
D) 802.11n
Which of the following processor features is used to dynamically reduce power consumption based on current operating conditions?
A) Hyper-threading
B) Overclocking
C) Caching
D) Throttling
E) Multi-core
D) Throttling
Which of the following is a symptom of a dirty drum or roller in a laser printer?
A) A vertical black or white stripe on the print job
B) Smudges on the print job
C) A faint image on the print job
D) Lines or splotches repeated at regular intervals on the print job.
D) Lines or splotches repeated at regular intervals on the print job.
During the POST, you receive a message stating: Keyboard not present. Press F1 to continue.
What are the most likely causes of this error message? (Select Two)
A) A broken F1 key
B) An outdated BIOS
C) A stuck key on the keyboard
D) A poor keyboard connection
E) Incorrect keyboard data in the CMOS
C) A stuck key on the keyboard
D) A poor keyboard connection
Which of the following are improvements over BIOS that are provided by UEFI? (Select three.)
A) Allows individual bytes to be erased and reprogrammed
B) Provides non-volatile storage of system startup information
C) Supports drives larger than 2.2 TB
D) Supports 64-bit firmware device drives
E) Does not need to be flashed as frequently
F) Faster startup times
C) Supports drives larger than 2.2 TB
D) Supports 64-bit firmware device drives
F) Faster startup times
What is true of processor cache? (Select Two)
A) L1 is typically unique to a processor core
B) L3 cache is typically on the motherboard
C) All other things equal, a processor with L2 cache will perform better than a processor with L3 cache
D) L3 is shared between all cores
E) L1 is the largest type of cache
A) L1 is typically unique to a processor core
D) L3 is shared between all cores
Which of the following wireless communication technologies can be described as follows?
--- Has a very limited transmission range, of less than two inches
--- Used with credit cards and passports
--- Slower than other wireless technologies
--- Constantly emitting a signal
A) Infrared in diffuse mode
B) Bluetooth
C) NFC
D) IEEE 1394
E) Infrared in line-of-sight mode
C) NFC
You are a software developer and you are creating a multimedia streaming application. Data will be streamed from your streaming server to streaming clients over IP networks. Which transport protocol should your application use to send data between the clients and the server?
A) UDP
B) ICMP
C) TCP
D) SNMP
A) UDP
You replace the ink cartridges in a color inkjet printer. Users are now complaining that the print quality has degraded, lines are fuzzy, and the colored areas in images are starting or stopping before they should.
What inkjet maintenance task do you need to perform?
A) Cartridge replacement, using new cartridges instead of refills
B) Carriage and belt realignment
C) Printer cartridge calibration
D) Print head cleaning
C) Printer cartridge calibration
Since it has no moving parts, a CPU will usually work properly for years. Which of the following is a common factor that might cause a CPU to fail prematurely?
A) Magnetic Field
B) Electromagnetic interference
C) Unsupported memory modules
D) Electrostatic discharge (ESD)
E) High CPU usage
D) Electrostatic discharge (ESD)
What is the maximum cable length of the IEEE 1394a standard?
A) 3 meters
B) 4.5 meters
C) 100 meters
D) 5 meters
B) 4.5 meters
You need to connect a monitor that provides an HDMI port and a VGA port to a video adapter in a PC system that uses a DVI-D connector.
A) Purchase a new monitor with a DVI-D port.
B) Use an adapter to connect the monitor VGA port to the DVI-D connector
C) It’s not possible to connect this monitor to this PC.
D) Use an adapter to connect the monitor HDMI port to the DVI-D connector on the PC.
D) Use an adapter to connect the monitor HDMI port to the DVI-D connector on the PC.
Which of the following drive configurations uses striping with parity for fault tolerance?
A) RAID 1
B) RAID 5
C) RAID 0
D) RAID 10
B) RAID 5
You have a small wireless network with less than 50 client computers. You upgrade the hardware on two wireless devices so you can use a better security standard than WEP. Now you need to implement the new security standard. You need the greatest amount of security with the least amount of effort, and without replacing any of the wireless infrastructure.
What should you do? (Select two)
A) Configure each client to use a different key
B) Implement WPA2-AES
C) Implement WPA2-Enterprise
D) Configure each client with the same key
E) Implement WPA-PSK
B) Implement WPA2-AES
D) Configure each client with the same key
Which of the following statements is true regarding single- and double-sided memory?
A) Single-sided RAM can be organized into two banks
B) Double-sided RAM allows the computer to access all of the memory.
C) Single-sided memory uses half the number of memory modules as double-sided memory of the same capacity.
D) Double-sided RAM always has modules on both sides of the circuit board.
C) Single-sided memory uses half the number of memory modules as double-sided memory of the same capacity.
You have been asked to implement a RAID 10 solution for a video editor’s desktop workstation. What is the minimum number of hard disks that can be used to configure RAID 10?
A) 4
B) 5
C) 6
D) 3
E) 2
A) 4
Which of the following tools allow for remote management of services? (Select two)
A) FTP
B) POP3
C) LDAP
D) Telnet
E) SSH
D) Telnet
E) SSH
Which of the following input devices uses a stylus?
A) Touch Screen
B) Touch Pad
C) Digitizer
D) Trackpoint
C) Digitizer
Which of the following terms describes the difference between white and black in an LCD monitor?
A) Pitch
B) Brightness
C) Resolution
D) Aspect Ratio
E) Contrast Ratio
E) Contrast Ratio