CET1179C Midterm Practice Exam

IRSC

1000BaseT needs all _ pairs of wires in CAT 5e and higher cables.

four

A LAN is almost always a _.

broadcast domain

A MAC address is a(n) _ number.

binary

A Windows command switch is expressed by using which character?

/

A Windows stop error is better known as the _.

Blue Screen of Death

A Workgroup shares folders over the network. What does a Homegroup share?

Libraries

A _ is the amount of light given off by a light source from a certain angle that is perceived by the human eye.

lumen

A color LCD screen is composed of a large number of tiny liquid crystal molecules, called _, arranged in rows and columns between polarizing filters.

sub-pixels

A common way to access the command-line interface in Windows is through the _.

Start Menu

A device that goes into a 7-inch space is called a _.

4U

A file not within a subfolder is said to be in the _.

Root directory

A folder inside another folder is called a(n) _.

subfolder

A good patch cable should include a _.

boot

A physical system that runs specialized virtualization software is called a(n) __.

host

A pixel that is stuck on pure white is known as a(n) _ pixel.

lit

A point-in-time backup of a virtual machine is called a _.

snapshot

A text-based user interface, in which users type in instructions at a prompt, is also known as a _ interface.

Command-line

A true 3-D object is composed of a group of points called _.

vertices

A(n) _ is a network organization that centralizes user accounts, passwords, and access to resources.

domain

After entering IPCONFIG at a command prompt, you notice you are using an IP address in the 169.254.0.1 to 169.254.255.254 address range. What is most likely explanation for being assigned one of these addresses?

The DHCP server is down.

All Web browsers use the _.

Hypertext Transfer Protocol (HTTP)

All network interfaces cards (NICs) have a(n) _ "burned" into them.

MAC address

An application particularly relies on which type of files?

DLL

Apart from hardware virtualization support, the second concern is _.

RAM

At what frequency range do the 802.11b- and 802.11g-based wireless technologies operate?

2.4 GHz

At what frequency range does the 802.11a-based wireless technology operate?

5 GHz

Average LCD panels are around _, which most monitor authorities consider excellent brightness.

300 nits

Cloud file storage services, like Dropbox and Box allow people to move to the cloud for some of their storage needs. These services include _ with their desktop versions, so that you can easily have the same version of every file in multiple places (desktop, laptop, online).

synchronization apps

Consolidating a system's physical and time resources is known as __.

resource pooling

Data is moved from one PC to another in discrete chunks called _.

frames

Digital Equipment, Intel, and Xerox invented the first network in the mid-1970s and created what eventually became _.

Ethernet

Early LCD backlights use _ technology, popular for its low power use, even brightness, and long life.

cold cathode fluorescent lamp

Every 3-D game stores a number of image files called _.

textures

Every Tier 1 and Tier 2 provider leases connections to the Internet to companies called .

Internet service providers (ISPs)

Higher-end monitors are capable of _ color, meaning the monitor can display _ color variations per channel.

24-bit, 16.7 million

How are MAC addresses represented?

Using 12 hexadecimal characters

How do you represent the hexadecimal value A in binary?

1010

How long is a MAC address?

48 bits

How many binary characters are represented by one hexadecimal character?

four

How many bits are in an IPv4 address?

32

How many bits are in an IPv6 address?

128

How many bits does WEP encryption use to scramble data packets?

40

How many host IDs does a /20 network support?

4094 (212 - 2)

How many physical lines does the Basic Rate Interface (BRI) setup use?

One

How wide are all equipment racks?

19 inches

Hyper-V is a part of which distribution?

Windows 10

IPv4 addresses in the range 169.254.0.1 to 169.254.255.254 represent which feature?

Automatic Private IP Addressing

If you hear a hissing sound coming from the LCD, which component is most likely about to fail?

Inverter

If you insert a software disc or USB drive, which file does Windows look for automatically?

autorun.inf

If you use the _ switch, ping continuously sends ping packets until you stop it with the break command.

-t

In Compatibility mode which setting turns off automatic resizing of a program's windows?

Disable display scaling on high DPI settings

In Windows, hard drive partitions are usually start with the letter _.

C:

In macOS and Linux, what is the shorthand character that represents a user's home directory?

~ (shows on test as -)

In older Windows versions, the filename was restricted to _ characters.

eight

In the IPv6 address 2001::3210:800:200C:CF:1234, how many groups of four zeros does the "::" notation represent?

2

In the Windows command-line syntax, a directory is referred to by which character(s)?

\

Intel's VT-x and AMD's AMD-V are examples of _.

hardware virtualization support

Like any other processor, a graphics processor needs _.

RAM

Many computers can share a smaller pool of routable IP addresses with _.

DNAT

Marketed as and now generally accepted as a true 4G technology, LTE networks feature theoretical speeds of up to download and 100 Mbps upload?

1 Gbps

Most WAPs support filtering, in which data packets that do not contain the appropriate address are rejected. What kind of address is filtered?

MAC

Most fiber Ethernet networks use _ multimode fiber optic cable.

62.5/125

Network people call anything that one computer might share with another a _.

resource

Network technologies that use _ light use single-mode fiber optic cabling.

laser

On a Linux system it is considered bad manners to create files and folders in the _ directory.

root

One nit is equivalent to _.

one candela/m^2

Phone lines have a speed based on a unit called a , which is one cycle per second.

baud

RJ-45 is visibly much _ than RJ-11.

wider

Software or hardware that converts the commands to and from the host machine into an entirely different platform is known as a(n) __.

emulator

Some projectors use a connection technology called _ that enables long-range connectivity for uncompressed HD video and audio over Cat 5a or Cat 6 network cables.

HDBaseT

System Protection falls under the category of _ software.

file recovery

The 10BaseT and 100BaseT standards require _ pairs of wires.

two

The Action Center is found in which version of Windows?

Windows 7/8/8.1

The IP address on the LAN side of a router is called the _.

default gateway

The IPv6 address FE80::12C7:388B:CF:7114 represents what type of address?

Link-local

The Integrated Services Digital Network (ISDN) sends telephone transmissions across what type of lines?

digital

The _ command at the Bash or Terminal shell enables you to terminate running programs in Linux or macOS, just like the tools in Command or PowerShell.

kill

The command-line interface tells a user that it's ready to receive commands by displaying a specific set of characters called a(n) _.

prompt

The exact location of a file is called its _.

path

The file's _ indicates what type of program uses the data by looking at the _.

association; extension

The part of a filename following the period (.) is called the _.

extension

The standard copy/move commands can work on only one _ at a time.

directory

The term virtual desktop commonly refers to the multiple desktop environments you can access in modern operating systems, such as clicking the _ in Windows 10 and going to a second desktop.

Task View icon

Tier 1 providers own long-distance, high-speed fiber-optic networks called .

backbones

Under the class system, how many host IDs were available in a Class B network?

65534 (216 - 2)

Under the class system, what was the default subnet mask for Class A addresses?

255.0.0.0

Under the class system, what was the default subnet mask of Class C addresses?

255.255.255.0

Using Cloud-based features, you can easily expand the number of servers, even spread them out geographically, with just a click of the switch. This ability is called _.

rapid elasticity

VMware's ESXi is an example of a(n) _.

bare-metal hypervisor

Virtual environments are stored as _.

A set of files

Virtualization occurs when a __ running specialized software creates environments within unique single files that _ other computers.

single computer; replicate

What 802.11n feature increases its range and speed?

MIMO

What Linux command describes the syntax and options of a specific command?

man

What Linux command displays the current working directory?

pwd

What Linux command is used to create a new directory?

mkdir

What WAP settings should be adjusted in an environment with overlapping Wi-Fi signals?

Channel and frequency

What WPA/WPA2 encryption version uses a RADIUS server for secure authentication?

WPA/WPA2-Enterprise

What Windows command can be used to copy entire directories, including subdirectories?

xcopy

What allows you to give anyone control of your desktop through an e-mail invitation?

Remote Assistance

What allows you to make voice calls over a computer network?

VoIP