Part 3 and 4 IT Fundamentals+

Which of these terms describe a SOHO network? A. Peer-to-peer B. Client-server C. WAN D. LAN

A & D, A SOHO network is a peer-to-peer LAN.

What can you use to prevent ESP from damaging components when cleaning inside computer?

A. Antistatic wrist strap

Which of the following might you want to disable to protect your privacy?

A. Autofill forms

You are creating a function that must return either true or false, Which data type should the function return?

A. Boolean

What computer components contains a lot of lead and must be recycled?

A. CRT monitor

Which SDLC phase is the longest in duration?

A. Coding The coding phase is the longest of SDLC phases.

Which of the following can prevent people from snooping on a device that you leave unattended for several minutes?

A. Configure a lock-out time.

If you need to cancel an online subscription, what department of the company do you need to contact?

A. Customer service

Where in the Control Panel would you go to connect to a network printer on a client PC?

A. Devices and Printers

What is a person doing when searching trash for useful information?

A. Dumpster diving

What is a router's SSID? A. Network name B. IP address C. Serial number D. Model number

A. Network name

You have configured a database in the headquarters office location in Houston, Texas. Your company has office in major cities across Canada and the US. Users in the Eastern Canada complain about slow query access to the database, while Texas users enjoy fast performance, what should you do?

A. Place a read replica in Eastern Canada.

You are working with a file system objects in your code. You need to determine the modification timestamp for a file. What should you do?

A. Property Properties are descriptive attributes such as modification timestamps, names, and so on.

Which type of database uses a rigid schema?

A. Relational Ddatabases

Suppose you have a wireless mouse that doesn't work at all. Which of these is not likely to be the cause?

A. The mouse is dirty

You have a printer that connects to your computer via USB cable. The printer can print a test page unsuccessfully from it's own controls, but the computer doesn't see it. Which of these should you try?

A. Use a different printer cable

What indicates that you've browsed to a secure web page? Choose two

B & C, The web address starts with https:// and a small lock appears in the browser.

Your database has grown over time, and you need to improve query performance. What should you do? (Choose two)

B, C. Remove infrequently accessed data, and create an index for queried data.

When Shopping for a SOHO router, look for the latest available standard, which is: A. 802.11b B. 802.11ac C. 802.11n D. 802.11g

B. 802.11ac us the latest wireless standard

What differentiates a router from a switch? A. Routers are from WANs, and switches are for LANs. B. A router provides a path out of the LAN, such as to the Internet. C. A switch provides a path out of the LAN, such as to the Internet. D. Routers are for client-server networks, and switches are for peer-to-peer networks.

B. A router provides a path out of the LAN, such as to the Internet.

What is FAQ (in relation to information technology)?

B. A web page containing a frequently asked questions and their answers

What should you use to remove dust and animal hair from inside a computer case?

B. Compressed air

How can you defend against malware delivered by email?

B. Don't open email from unknown senders.

What is an advantage of using a homegroup? A. Higher security level B. Easier folder and printer sharing C. Makes router use less power D. Faster file transfer

B. Easier folder and printer sharing

Which term describes running an action against an object variable?

B. Methods Methods are actions run against objects, such as start, stop, delete, connect, and so on.

In which way is a cellular Internet connection superior to wired and WiFi? A. Bandwidth B. Mobility C. Number of concurrent connections D. Security

B. Mobility

Which of the following is a NoSQL database?

B. MongoDB is a NoSQL database.

In California, how should small alkaline batteries be disposed of?

B. Recycling center

How should you clean removeable media, such as a DVD?

B. Use a soft cloth and wipe inside to outside in a straight movement.

What statement regarding NoSQL database is correct? (Choose two)

C, D. Each row can store different types of data and they are more scalable than relational databases.

Rich has inherited a computer that used to live in his uncle's machine shop. What should he use to clean up parts such as the case, keyboard, and mouse?

C. A soft cloth with mild soap and water

What is another term used to refer to a field?

C. Column *

Which of the SDLC phases is the shortest in duration?

C. Deployment The deployment Phase is the shortest of SDLC phases.

Disabling the Bluetooth adapter on a laptop when it is not in use is an example of:

C. Device Hardening

Which type of contingency plan is specific to an IT system or service?

C. Disaster recovery

What problem can missing slots covers on the case cause?

C. Disruption of airflow inside the computer leading to overheating

Your code needs to execute the same code for each month of the year, so 12 times. Which type of loop is best suited for this?

C. For When you know how many times a loop should execute, use a for loop.

Which of these is the most hazardous to a desktop computer or mobile device?

C. Getting it wet

Which unit of measurement relates to disk throughput?

C. IOPS, Input and output operations per second

How do you access a router configuration utility? A. Buttons on the top of the router B, Buttons on the back of the router C. IP address in a web browser D. Domain name in a web browser

C. IP address in a web browser

In sleep mode, the ________ remains powered; everything else shuts off.

C. Memory

Which type of coding practice uses smaller code modules working together to support an application?

C. Microservices Microservices are independent code modules that together form a larger application.

What kind of ports are on the back of a SOHO router for making wired connections? A. VGA B. DVI C. RJ-45 D. RJ-11

C. RJ-45

What standard offers computer parts makers guidelines for making environmentally friendly parts?

C. Restriction of Hazardous Substances (RoHS)

You have increased the number of computer nodes for your cloud based database instance. Which term describes this action?

C. Scaling out

After you have recognized that there is a virus on your PC, what is the next step to removing the virus?

C. To quarantine

Which of these might correct a problem with an application not running correctly?

C. Uninstall and reinstall the application

Which wireless encryption standard is the most secure? A. WEP B. WPA C. WPA2 D. WPS

C. WPA2

Which of these would likely be found on a manufacturer's support web site?

D. All of the above, Downloadable products manual, new versions of the device's drivers, and troubleshooting information.

Which of these could not be the cause of a computer appearing completely dead?

D. Bad Keyboard

Which of the following programing languages requires a compiler?

D. C, programing language requires a compiler

Which type of file tracks your activities on the Internet?

D. Cookies

Which SDLC phase involves the use of flowchart?

D. Design The SDLC design phase uses flowcharts to design program flow.

How long can a laptop remain in Hibernate mode without running out of battery power?

D. Indefinitely

Which is the most authoritative source of information about a device?

D. Manufacturer's web site

Which type of database does not use a rigid Schema?

D. NoSQL

Which type of malware tries to get you to pay a fee to decrypt your files?

D. Ransomware

You have increased the amount of RAM available for your cloud-based database instance. Which term describes this action?

D. Scaling up

Edward loiters at the local cafe, taking notes on what people type on their computers, especially at the login screens. What kind of theft does he practice?

D. Shoulder Surfing

You are using the C programming language to create a software solution. A single variable must be tested for multiple possible values. Which programming construct should you use to achieve this?

D. Switch In the C programming language, the switch statement is best suited for testing a singe variable for multiple values.

What Windows utility returns the computer's system file to previously saved versions?

D. System restore