Healthcare IT 20% Flashcards by Jason Davern

The most desirable approach to security is one which is:

Layered and dynamic

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Give an example of ROM memory?

CD
(CD-ROM)

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Which document provides manufacturers with a means of disclosing the security-related features of their medical device?

MDS2

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SATA, IDE, and SCSI are types of connectors for which type of hardware?

Harddrives

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MAC stands for ___________.

Media Access Control

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When using DOS, you must use the __________ command in order to change directories.

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802.11g (Wi-Fi 3) operates at what frequency?

-4.2 GHz
-2.4 GHz or 5 GHz
-5 GHz
-2.4 GHz

-2.4 GHz

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What type of cable should be used to connect a computer to a switch?

-HDMI
-Crossover
-Patch
-Straight-through

-Straight-through

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What is the maximum length of cat5/cat5e/cat6
UTP cable?

-100 meters
-1 mile
-1000 meters
-10 meters

-100 meters

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UTP cables have what type of connector?

-BNC
-1/8 phono
-RCA
-RJ45

-RJ45

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Referring to networking cables, what does UTP stand for?

-UltraNet Twin Parity
-Unshielded Twisted Pair
-User Technology Protocol
-Uncoupled Transient Protected

-Unshielded Twisted Pair

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What is the speed of Gigabit Ethernet?

-10 Mb/s
-1000 Mb/s
-100 Mb/s
-1 Mb/s

-1000 Mb/s

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How many bits make a byte?

4
12
16
8

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A network interface controller (also known as a network interface card or network adapter) typically?

-connects a computer to a
network
-routes network traffic
between subnets
-tracks the location of other
computers connected to
the network
-tells the network what
protocol to use

connects a computer to a
network

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A ______ can be hardware or software that controls incoming and outgoing network traffic.

router
gateway
switch
firewall

firewall

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A _____ will pass broadcast traffic to all ports.

gateway
router
hub
switch

hub

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The number of bits used by IPv6 address is:

32
128
16
64

128

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LGA 1155, FM2 and AM3+ refer to ___ ?

Printer connection types
Hard drive interfaces
RAM interfaces
CPU socket types

CPU socket types

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A common computer monitor connection is ___ ?
DVI
RJ-45
USB 2.0
Composite

DVI

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Approximately how much RAM should a typical desktop computer have?

About 512 kB
More than 2 GB
About 1 GB
Less than 32 MB

More than 2 GB

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Identify 3 operating systems.
-Windows 7, Visual Basic,
OS X
-Windows XP, Linux, OS X
-Firefox, JAVA, Windows 7
-DOS, Unix, Firefox

-Windows XP, Linux, OS X

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What does SSD stand for?
-Solid State Drive
-Serial Storage Domain
-Secure Storage Database
-Server Software Driver

Solid State Drive

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Which of the following are typically NOT constructed with LEDs?

Power supply
Display/monitor
Keyboard
RAM

RAM

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What are common computer power supply output voltages?

3.3, 5, 12
12, 120, 240
1, 5, 10
1.5, 6, 9

3.3, 5, 12

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To troubleshoot a computer problem, listen for ___ during the boot up process. -System error buzzer -Morse code beeps or lights -BIOS error beep codes or lights -Random clicking

BIOS error beep codes or lights

What operation(s) does the BIOS perform? -Boots the computer by initializing system devices and running the boot loader. -Regulates power to the motherboard, hard drive and monitor. -Monitors all voltages, input / output signals and browsing history. -Controls the size of the hard drive.

Boots the computer by initializing system devices and running the boot loader.

What are some hardware components in a typical, modern computer? -Motherboard, RAM, CPU, power supply, disk drive -Floppy drive, CPU, power supply, BIOS -Modem, router, power supply, disk drive -RAID controller, VPN, CPU, power supply, disk drive

-Motherboard, RAM, CPU, power supply, disk drive

Which of the following is the protocol that provides communication across interconnected networks? A. CSMA/CD B. SMTP C. TCP/IP D. Routing table

C. TCP/IP

The IEEE standard for Ethernet communication: A. 802.11 B. 802.3 C. 803.11 D. 811.3

B. 802.3

Which of the following is a volatile memory a. RAM b. ROM c. DPROM d. BIOS

a. RAM

What is the function of computer I/O? a. Carry data b. Store Programs and Data c. Interface with peripheral data d. Fetch, decode, and

c. Interface with peripheral data

Switches are the modern counterpart of a. Frames b. Bridges c. routers d. repeaters

b. Bridges Layer 2 OSI

What command is used to determine if a VLAN is functional?

Ping -checks for successful communications between devices on VLAN

The operating system responds to service requests by the hardware via? a. Polling cycle b. Software version c. Interrupt request d. Preprogrammed cycle

c. Interrupt request -Requests attention or service

What type of program replicates itself a. Worm b. Macro c. Trojan d. Database

a. Worm

What is middleware? a. A desktop peripheral device b. A common Trojan computer virus c. Software that connects two other separate applications d. Software that serves as security monitoring applications

c. Software that connects two other separate applications

Communication between a computer and a standard keyboard involves what mode of transmission? a. Serial b. Parallel c. SATA d. SCSI

a. Serial

The IEEE 802.11 standard is used for which of the following network applications? a. Wireless LAN (WLAN) interfacing b. Electronic Medical Record (EMR) storage c. Virtual Private Network (VPN) firewall d. Picture Archiving and Communication system (PACS)

a. Wireless LAN (WLAN) interfacing

What Network topology uses a token to communicate with? A. Bus Topology B. Ring Topology C. Star Topology D. Mesh Topology

B. Ring Topology -Also known as token ring.

What function does a 15 pin cable perform? A. HDMI Video B. VGA Video C. Composite Video D. DVI Video

B. VGA Video -VGA video uses a 15 pin D shaped connector

What type of cable is used in the open space above a dropped ceiling? A. Twisted Pair B. Coaxial Cable C. Fiber Optic Cable D. Plenum Rated Cat 5

D. Plenum Rated Cat 5 -Plenum is the area above a dropped ceiling.

What function does the I/O perform on a PC? A Data Routing B. Network Interfacing C. Security Firewall D Interface between the computer and peripheral devices

D Interface between the computer and peripheral devices

What type of network topology is also referred to as a "Daisy Chain"? A. Bus Topology B. Ring Topology C. Star Topology D. Mesh Topology

A. Bus Topology

True/False: A repeater amplifies/regenerates signals but can't route or segment?

True

What network device is useful for converting from fiber-optic to UTP cable? A. Repeater B. MAU C. Hub D. Subscriber Tip

A. Repeater

What is the IEEE protocol for wireless LAN? A. 802.3a B. 802.11 C. 802.3b D. 902.10

B. 802.11

What is the function of DHCP in network addressing? A. Digitally assign IP addresses on the network B. Downgraded hosting communications protocol C. Dynamically assign IP addresses on the network D. Digital Hub Communication Protocol

C. Dynamically assign IP addresses on the network (Dynamic Host Command Protocol)

What type of cable uses a "BNC" connector? A. Cat 5 twisted pair B. Cat 6 twisted pair C. Fiber Optic D. Coaxial Cable

D. Coaxial Cable

A __________ is a network zone that's located between an intranet and the internet. Perimeter network Satellite zone Server zone VLAN

Perimeter network

What protocol is used to transmit web pages across the internet? HTTP Telnet SSH DNS

HTTP HTTP stands for Hypertext Transfer Protocol, and it's the computer communication protocol that controls how web browsers interact with web pages.

Every NIC is embedded with a unique address that consists of a 12-digit hexadecimal value. What is this address called? Subnet mask MAC address Default gateway IP address

MAC address

A group of computers that's been compromised and controlled for malicious intent is called a __________? distributed network system remote net Honeypot botnet

botnet

A firewall will usually separate which two network zones? Routers and switches VLAN and VPN User and server Intranet and internet

Intranet and internet

In computer networking, a __________ is a communication endpoint. At the software level, within an operating system, a __________ is a logical construct that identifies a specific process or a type of network service. Port; port Repeater, repeater Router; router Firewall, firewall

Port; port In computer networking, a port is a virtual starting and stopping point for network connections that is controlled by the operating system. Ports are used to identify where a network begins and ends, and to direct different types of traffic as they enter a device. For example, emails go to a different port number than web pages.

The physical layer handles data as __________. Morse code hexadecimal code 120V AC binary

binary

The TCP and UDP protocols are used on what layer? Transport Application Control Transmission

Transport

In the OSI model, layers interact with __________? adjoining layers other random layers no other layers all other layers

adjoining layers

In the OSI model, a computer user mostly interacts with __________? the network layer the application layer all layers the software layer

the application layer

The technologist __________ station is used to review images after acquisition but before sending them to the radiologist. Reading File room Pre-check Quality control (QC)

Quality control (QC)

The __________ contains the master database of everything that is in the archive. It controls the receipt, retrieval, and distribution of the images it stores and also controls all the DICOM processes running within the archive. Archive manager Software manager Data manager Image manager

Image manager

What term is used to describe how an exam is completed from order entry to transcribed report? Completion Archive Workflow Assignment

Workflow

The ______________ is the most interactive part of a PACS and is used inside and outside of radiology. Archive server Reading workstation File room workstation Display workstation

Display workstation *This question is on CRES

PACS can receive images from any hospital department that send in a ___________ format. Analog DICOM PDF RAW

DICOM

The acronym PACS stands for which of the following terms? Picture arrival communication system Picture archival computer system Picture arrival computer system Picture archiving and communication system

Picture archiving and communication system

What protocol is used to secure HTTPS data? SSH DHCP Telnet SSL

SSL Secure Sockets Layer Secure Sockets Layer (SSL) is a communication protocol that establishes a secure connection between two devices or applications on a network. SSL uses encryption to protect data that is transmitted across the web, and it also initiates an authentication process between two devices. SSL has been used to establish privacy, authentication, and data integrity for internet communications since 1995.

The ___ protocol can increase network security by hiding intranet IP addresses. trust but verify TCP/IP NAT DHCP

NAT-NETWORK ADDRESS TRANSLATION NAT is a way to map multiple private addresses inside a local network to a public IP address before transferring the information onto the internet. Organizations that want multiple devices to employ a single IP address use NAT, as do most home routers.

Which option provides the most secure wireless security protocol? WPA WPA2 WEP 802.1x

802.1x 802.1X is a network authentication protocol that verifies the identity of a user or device trying to connect to a network.

How long is an IPv6 address? 128 bytes 128 bits 32 bits 64 bits

128 bits

You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server? 10 Mbps 100 kbps 2 Mbps 1 Mbps

10 Mbps

Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz? B G N A

G =54Mps @ 2.4GHz The IEEE 802.11g specification allows up to 54 Mbps transmission in the 2.4 GHz band.

Which protocol does DHCP use at the Transport layer? TCP ARP UDP IP

UDP Dynamic Host Configuration Protocol (DHCP) uses the User Datagram Protocol (UDP) at the transport layer

Where is a hub specified in the OSI model? Data Link layer Session layer Application layer Physical layer

Physical layer

Propagation time is: Bandwidth/Queuing time Propagation speed/Bandwidth Distance/Propagation speed Message size/ Bandwidth

Propagation speed/Bandwidth

Transmission media are directly controlled by the: physical layer network layer session layer data link layer

physical layer

In a network with dozens of switches, how many root bridges would you have? 1 2 5 12

What is the frequency range of the IEEE 802.11a standard? 5Gbps 2.4GHz 2.4Gbps 5GHz

5GHz

A nurse scanning the barcode on a patient tag rather than typing it into the system is an example of __________. scanning automation source data automation item data automation input automation

input automation

What is the maximum cable length for shielded twisted-pair (STP) cable? 150 ft 100 ft 1000 m 100 m

100 m

Which device has a "platen?" modem printer monitor touchpad

printer

The program that the microprocessor uses to get the computer started after it's turned on: BIOS NTFS BASIC POST

BIOS

Four-Color model used for printing: HDMI RBG CMYK VGA

CMYK The acronym stands for cyan, magenta, yellow, and key(black).

Foundation protocol of the internet which allows computers to communicate over long distance networks: FTP PPP TCP/IP UDP

TCP/IP

The environment in which a piece of software is executed is know as the computer's: platform minimum requirements specification firmware

platform

What computer component would NOT typically be stress tested for several hours to verify proper operation? CPU RAM Network card Hard drive

Network card

A ___ will usually block broadcast traffic. switch router client hub

router

A ___ is a specialized computer that only provides file-based data storage to other devices connected to the network. firewall workstation server network attached storage

network attached storage

Using an adapter, it's possible to connect computers in a network using the electrical wiring in a house or building. False True

True

ESD would cause the most damage to which component? Power supply Monitor Expansion board Keyboard

Expansion board

What does FDISK do? recovers lost clusters on the hard drive fixes bad sectors on the hard drive performs low-level formatting of the hard drive creates partitions on the hard drive

creates partitions on the hard drive

What kind of connectors are used to connect a PC power supply to a hard drive? molex mini-molex AT P9

molex

Parity is: -the optimal transmission speed of data over a CAT 5 cable -an extra bit stored with data in RAM that is used to check for errors when the data is read back -the optimal transmission speed of data over a CAT 5 cable -an byte stored in the FAT to indicated remaining slots

-an extra bit stored with data in RAM that is used to check for errors when the data is read back

Which list below shows the terms ordered from smallest to largest. gigabyte , megabyte, kilobyte, terabyte megabyte, kilobyte, terabyte, gigabyte megabyte, kilobyte, gigabyte, terabyte kilobyte, megabyte , gigabyte, terabyte

kilobyte, megabyte , gigabyte, terabyte

UDP is a ___ protocol. remote connectionless connection oriented reliable

Connectionless User Datagram Protocol: UDP has no way of knowing payload is corrupt or made it. Not reliable

TCP is a ___ protocol. unreliable stationary connection oriented connectionless

connection oriented

TCP establishes a session with a ___ process. forced connection dual backup three way handshake best effort

three way handshake TCP=Transmission control protocol

TCP uses an error checking process known as ___ . ScanDisk SAS CRC ChkDsk

CRC, Cyclic Redundancy Check

What type of data is generally sent using UDP(User Datagram Protocol)? Email Very important data VoIP and streaming music Files

VoIP and streaming music -UDP is connectionless and unreliable. Does not guarantee delivery, or error checking.

What protocol is used to resolve IP addresses to MAC addresses? Telnet SSH DHCP ARP

ARP -Address Resolution Protocol, used to map Network layer IP address to a MAC address on same network.

What protocol is used to upload and download files across the network? Telnet DHCP SSH FTP

FTP -File transfer protocol

What protocol sends error messages and is used by ping and tracert commands? ICMP Telnet DHCP SSH

ICMP -Internet Control Message Protocol: network layer protocol used to send error messages and ops information indicating issues during communications between devices on an IP network.

What protocol is used to send e-mails between clients and servers? Telnet DHCP FTP SMTP

SMTP-Simple Mail Transfer Protocol

What protocol is used to retrieve e-mail from a mail server? DHCP POP3 Telnet SMTP

POP3-Post Office Protocol Version 3

What protocol is used to secure HTTPS data? SSH SSL Telnet DHCP

SSL-Secure Sockets Layer: Cryptographic protocol provides secure communications over a network.

FTP protocol uses which ports? 16 and 17 20 and 21 12 to 18 Any available port

20 and 21

The HTTP protocol uses which port? 80 87 53 40

What is the speed of Fast Ethernet? 10 Mb/s 1 Mb/s 100 Mb/s 1000 Mb/s

100 Mb/s

How many number of pairs do the UTP cables have? 6 pairs 5 pairs 4 pairs 8 pairs

4 pairs

What type of cable should be used to connect a computer to a switch? Crossover Coax HDMI Straight-through

Straight- through

How fast is a T1 line? 1.544 Mbps 44.736 Mbps 100 Mbps 56 Kbps

1.544 Mbps

802.11g (Wi-Fi 3) operates at what frequency? 4.2 GHz 2.4 GHz or 5 GHz 2.4 GHz 5 GHz

2.4 GHz at 54 Mbps

How fast is a T3 line? 56 Kbps 1.544 Mbps 44.736 Mbps 100 Mbps

44.736 Mbps

11.802.11n (Wi-Fi 4) operates at what frequency? 4.2 GHz 5 GHz 2.4 GHz or 5 GHz 2.4

2.4 GHz or 5 GHz at 300Mbps

How fast is 802.11b (Wi-Fi 1)? 54 Mbps 300 Mbps 11 Mbps 100 Mbps

11 Mbps = b 54 Mbps = g 300 Mbps =n

How fast is 802.11g (Wi-Fi 3)? 54 Mbps 300 Mbps 100 Mbps 11 Mbps

54 Mbps = g 11 Mbps = b 300 Mbps =n

How fast is 802.11n (Wi-Fi 4)? 11 Mbps 300 Mbps 100 Mbps 54 Mbps

300 Mbps= n 54 Mbps = g 11 Mbps = b

Which of the following is the least susceptible to lightning? Fiber-optic Shielded Twisted pair Coaxial Cable Unshielded Twisted pair

Fiber-optic

One method to manage network security is to divide the network into ___ . collision domains zones WANs elements

zones

What is the riskiest part of a network? The perimeter Subnets Intranets The internet

The internet

Which option provides the most secure wireless security protocol? WPA 802.1x WEP WPA2

802.1x

Which of the following is the best definition of a virus? Software that self-replicates Software that causes damage to any files Software that causes damage to system files Software that attaches to e-mail

Software that self-replicates

What is the most important security advantage of NAT? It blocks incoming ICMP packets By default allows only outbound connections It hides internal network addresses It blocks all ICMP packets

It hides internal network addresses

What is the purpose of a certificate? To verify that software is virus free To validate the recipient of a software To validate the sender of a digital signature or software To guarantee that a signature is valid

To validate the sender of a digital signature or software

A computer user mostly interacts with ___ ? all layers the software layer the application layer the network layer

the application layer

What occurs in the presentation layer? MAC address are handled Binary to decimal conversion Sessions are created Data compression and encryption

Data compression and encryption

What occurs in the session layer? Binary to decimal conversion MAC address are handled Sessions are created Data compression and encryption

Sessions are created

The TCP and UDP protocols are used on what layer? Control Transport Transmission Application

Transport

The data link layer uses ___ to route frames. broadcasts hexadecimal code IP addresses MAC addresses

MAC addresses

The physical layer handles data as ___ . 120V AC Morse code binary hexadecimal code

binary

An (unmanaged) switch works in the ___ layer. data link transport physical network

data link

Data is grouped into frames in the ___ layer. data link transport physical network

data link

What is volatile memory?

Memory that requires power to maintain its stored data. Examples: RAM, cache memory, and registers in a CPU.

Which of the following device is used to connect two systems, especially if the systems use different protocols? Bridge Repeater Gateway Hub

Gateway

A distributed network configuration in which all data/information pass through a central computer is Point-to-point network Ring network Bus network Star network

Star network

Which of the following communications modes support two-way traffic but in only one direction of a time? Simplex Half-duplex Full duplex Three-quarters duplex

Half-duplex

Codec refers to: Command declaration Coder-decoder Command decoding Co-declaration

Coder-decoder

What device separates a single network into two segments but lets the two segments appear as one to higher protocols? Bridge Switch Gateway Router

Bridge

Bluetooth is an example of: Local area network Personal area network Virtual private network Wide area network

Personal area network

Which type of records contain the most information? Patient portals Electronic medical records (EMRs) Electronic health records (EHRs) Evidence-based records

Electronic health records (EHRs)

The term _________ refers to any computer component that is required to perform work. kernel bootstrap resource source code

resource

The storage element for a Static RAM is the? diode resistor flip-flop capacitor

flip-flop

A tape drive offers __________ access to data. sequential sporadic timely random

sequential

When machine instructions are being executed by a computer, the instruction phase followed by the execution phase is referred to as __________. machine cycle program cycle task cycle execution cycle

execution cycle

In serial digital data communications, what must be added to the data?

Start, stop and parity bit for error detection and correction

One method to manage network security is to divide the network into _______.

Zones

A tape drive offers __________ access to data.

sequential

TCP is a ___ protocol.

connection oriented

A distributed network configuration in which all data/information pass through a central computer is

Star Network

Healthcare IT 20% Flashcards

(148 cards)