HIT-001 Chapter 5

Question 1

1._____ is responsible for guaranteeing the data is received after traversing the network. _____ is responsible for reassembling those packets at the receiving end and for finding the path to use to get the packets across the network. Answer: __________________________________________________________

Answer 1

1. TCP, IP

Question 2

2.Pinging a domain name is a great tool for verifying if the ______ service is active. Answer: __________________________________________________________

Answer 2

2. DNS

Question 3

3. An ______ is a segment of programming code that can be used by many programs. Answer: __________________________________________________________

Answer 3

3. API s

Question 4

4._____ is the most current and secure encryption available for wireless networks. Answer: __________________________________________________________

Answer 4

4. WPA2

Question 5

5.When a wireless network contains sensitive data, the _____ broadcasting is disabled. Answer: __________________________________________________________

Answer 5

5. SSID

Question 6

6._____ automatically assigns a dynamic IP address to a device when it joins a network. Answer: __________________________________________________________

Answer 6

6. DHCP

Question 7

7.Both _____ and cloud solutions are offered as ______. Answer: __________________________________________________________

Answer 7

7. ASPs, SaaS

Question 8

8.______ and ______ are best used for copying a medical image to a disk to take to an off campus facility that cannot share data over the network securely. Answer: __________________________________________________________

Answer 8

8. DVDs, CD

Question 9

1.What service does an ISP provide? Answer: __________________________________________________________

Answer 9

1. An ISP is an organization that offers individuals and companies an entry point to the Internet by way of a WAN.

Question 10

2.What are the seven layers of the OSI model? Answer: __________________________________________________________ _________________________________________________________________

Answer 10

2. Application layer, presentation layer, session layer, transport layer, network layer, data link layer, physical layer

Question 11

3.Which protocol is used to provide a window to view the desktop of another computer? Answer: __________________________________________________________

Answer 11

3. RDP

Question 12

4.What is the purpose of the DNS? Answer: __________________________________________________________ _________________________________________________________________

Answer 12

4. The DNS resolves domain names into the IP address that the network under- stands to reach the correct computer on the intranet or Internet.

Question 13

5.Why might a facility choose to use a cloud-based solution for HIS require- ments? Answer:

Answer 13

5. Some healthcare facilities do not have the room or finances to house all the servers needed to run health information systems. Cloud computing and vir- tualization are two techniques designed to reduce the overall costs of these systems.

Question 14

6.What is the purpose for using Structured Query Language? Answer: __________________________________________________________

Answer 14

6. SQL is a programming language used to manage data stored in databases.

Question 15

7.Why would a web page use PHP? Answer:

Answer 15

7. PHP is an open source, server-side, HTML-embedded scripting language used to create dynamic web pages. PHP script creates a customized web page for each individual viewing.

Question 16

8.What are some of the obstacles that must be considered when designing a wireless infrastructure? Answer:

Answer 16

8. Some of the obstacles might include the following: Signal strength of each AP Shape of the building Types of materials used in the building, such as concrete walls, wooden walls, sheetrock, and lead-lined rooms in the Radiology department Elevators Number of floors

Question 17

9.Why did WPA2 replace WPA wireless encryption? Answer:

Answer 17

9.A flaw was discovered in TKIP because it reused weak designs from WEP to make it backward compatible. This weakness allows hackers to spoof data, or to falsify data on the network.

Question 18

10.What is the purpose of NAT when used by a router? Answer: __________________________________________________________ _________________________________________________________________

Answer 18

10.A router serves as a firewall to act like a middle man to prevent the detection of devices on the LAN by devices outside the LAN.

Question 19

11.What is the purpose of pinging another device on a network? Answer: __________________________________________________________ _________________________________________________________________

Answer 19

11.A ping command is used to send a request to another device to find out if the two devices can communicate on the network.

Question 20

12.What is the difference between a thick client and a thin client? Answer:

Answer 20

12.A thick client is used when an application is installed on the client computer. A thin client is used when an application is accessed by a computer but not in- stalled on the computer.

Question 21

13. What are some issues to consider when supporting servers so that servers perform well and are protected? Answer: __________________________________________________________ _________________________________________________________________

Answer 21

13.Security risks, high traffic and load balancing, hardware and software specifica- tions required by vendors, and purging old logs.

Question 22

14.What is the difference between a differential backup and an incremental backup? Answer:

Answer 22

14.A differential backup backs up new and changed files and does not mark the files as having been backed up. An incremental back up backs up the files that have been created or changed since the last incremental backup and marks the files as having been backed up.

Question 23

15.What information should be documented when deploying a new computer, printer, or server for reference in case the device fails? Answer:

Answer 23

.The reference document should include the following: Brand Model Name on network Serial number OS version Static or DHCP IP address (If static, record the IP address used.) MAC address for wired and wireless connections Applications installed Printers installed

Question 24

16.Why is it important that virus definitions be updated regularly? Answer: __________________________________________________________ _________________________________________________________________

Answer 24

16.The antivirus software should have up-to-date virus definitions because new viruses are deployed daily.

Question 25

17.Why might a monitor need to use a DVI connection rather than a VGA connection? Answer:

Answer 25

17.Certain departments require higher quality or resolution. For example, for picture archiving and communication system (PACS) a larger monitor with higher resolution and quality should be used to view the details of a medical image, such as an MRI.

Question 26

18.When creating a change management documentation, what information should be included? Answer:

Answer 26

18.The change management documentation should include the following:
Device name, model number, and location
Replacement parts
Scheduled start and finish time of the change
Actual start and finish time of the change
Number of users who will be affected
The notification of change sent to users affected
Whether downtime is required
The results from testing the change
The rollback plan in case of failure
Manager or supervisor approval

Question 27

19.What are common peripheral devices found in a hospital supported by an HIT technician? Answer: __________________________________________________________ _________________________________________________________________

Answer 27

19.Common peripheral devices found in a hospital supported by HIT technicians include a barcode scanner, document scanner, card or badge scanner, or signa- ture pads.

Question 28

20.Why is it a security risk to allow access to e-PHI on smartphones? Answer:

Answer 28

20.Phones are easily misplaced, lost, or stolen, even more often than laptop com- puters. Any smartphone with access to e-PHI must be encrypted with pass- word protection and time lockout.

Question 29

2.Sometimes it is easy to lose track of which IP addresses are used on a network. It?s not a bad idea to occasionally run a network scanner to report all IP addresses currently in use on the network. On the internet, find freeware software on the for a network scanner to find IP addresses on the network you are connected to. What freeware software did you use? What IP addresses or how many IP address did you find in use on your network? Answer: __________________________________________________________ _________________________________________________________________

Answer 29

1. Answers will vary. One option is found at http://www.microsoft.com/ resources/documentation/windows/xp/all/proddocs/en-us/windows_dos_copy. mspx?mfr=true. 1. Open a command prompt. 2. Right-click the title bar of the command prompt window, point to Edit, and then click Mark. 3. Click the beginning of the text you want to copy. 4. Press and hold down the Shift key, and then click the end of the text you want to copy. (Or you can click and drag the cursor to select the text.) 5. Right-click the title bar, point to Edit, and then click Copy. 6. Position the cursor where you want the text to be inserted: a. In an MS-DOS-based program, or in a command prompt window, right-click the title bar, point to Edit, and then click Paste. b. In a Windows-based program, click the Edit menu, and then click Paste.

Question 30

1.There are several ways to copy text from the command prompt window. In the chapter you learned two methods. Research on the Internet and find a third method for copying text from the command prompt window. Answer:

Answer 30

2. Answers may vary. Here is a link for one option: http://www.radmin.com/ products/ipscanner/