Correct Answer:

Because you can readily find any default administrator password with a simple web search, you should always change the default password to stop any unauthorized access or configuration changes.

Incorrect Answers:

Stopping unauthorized encryption methods doesn’t make a lot of sense.

While SOHO routers can suffer from malware infections, this is not as immediate an issue as changing default credentials.

SOHO routers don’t have store data.

Correct Answer:

RJ-45. Most wired networks connect to RJ-45 ports.

Incorrect Answers:

FireWire. FireWire was used briefly to connect computers directly together, but not for general networking purposes.

RJ-11. Dial-up networking uses RJ-11 ports to connect to a phone line.

USB. Although you can connect nearly everything via USB, networks have their own connections.

Correct Answer:

Download them from the manufacturer’s web site. Always go to the official source for drivers if possible. Note that with specific video cards you should go to the maker of the GPU, such as NVIDIA or AMD.

Incorrect Answers:

Download them from www.drivers.com. This site works well for older components with perhaps defunct parent companies.

Google latest drivers for his specific card and download the top hit. This might actually work, but it’s safer to go right to the source.

Ask the forum users for advice and go from there. It can be useful getting advice from other users, but this is not the best way to find the latest drivers.

Correct Answer:

Word-processing programs. Word-processing and other office-oriented applications are considered productivity software.

Incorrect Answers:

Anti-malware programs. Anti-malware software stops attacks and keeps you productive; other software gets the productive part done.

Entertainment programs. Watching movies doesn’t count as “productive time” for those CompTIA people. Sheesh!

Image-editing programs. This one is a gray area because editing images can certainly be part of a job that produces materials. It’s not the specific buzzword meaning, though, so go with office apps.

Correct Answer:

Python. This is an example of an interpreted language that does not have to be compiled, although an interpreter software module must be present to run the code.

Incorrect Answers:

C, Java. These are compiled programming languages that result in one or more program files.

Assembly. This is neither compiled nor interpreted since the code is already in machine language.

Correct Answer:

VGA: VGA is the venerable, 15-pin, D-subminiature connection for video.

Incorrect Answer:

DVI. DVI is one of the current video standards but doesn’t have a 15-pin connection.

S-video. S-video is an ancient DIN connector.

Component. Component is an ancient RCA connector.

HDMI. HDMI is a one of the current video standards but doesn’t have a 15-pin connection.

Correct Answer:

200.1.1.1. This is an IPv4 address expressed in decimal (base 10) notation.

Incorrect Answers:

2E-15-79-68-0C-6B. Hexadecimal (base 16) notation uses characters 0–9 and A–F where A=10 and F=15.

11110001. This is a binary representation of the decimal number 241.

2E-15-79-68-0C-6J. This is not a valid hexadecimal representation because of the letter J.

Correct Answer:

Array. This type of variable is used to store multiple items in a single variable. Programming loops can iterate through array contents, or individual array elements can be references such as $stock_codes[0] where 0 is the first array element. Some programming languages start referencing arrays at 1 instead of 0.

Incorrect Answers:

Float: This data type is used to store numbers with decimal points.

Boolean: This data type is used for true/false indicators, such as determining whether a customer is eligible for a discount.

String: This data type is used to store text such as last name or contract ID.

Correct Answers:

FTPS, HTTPS. FTP over SSL and HTTP over TLS offer secure data transfers. Both use TLS security today.

Incorrect Answers:

DNS. DNS doesn’t have anything to do with security.

IMAP. Although IMAP can be secure, it’s not the best answer here.

SMTP. SMTP offers no security.

Correct Answer:

The customer table has been deleted.

Incorrect Answers:

The customer table is not accessible over the network, The customer table is accessible over the network, The customer table has been exported. Dropping a table does not result in any of these symptoms.