ISYS 209 EXAM 3 NEWEST 2026 ACTUAL EXAM| ISYS
209 EXAM 3 REVIEW WITH COMPLETE REAL EXAM
QUESTIONS AND CORRECT VERIFIED ANSWERS/
ALREADY GRADED A+| (MOST RECENT!!)
The signal from your iPod earphone is a(n): - ANSWER - analog signal.
Network signals that are represented by on-off pulses indicate a(n): -
ANSWER - digital signal.
If you were building a network intended to service two buildings that
were next to each other, you would construct a: - ANSWER - local area
network.
A company needing a network to connect its offices in Montana, Idaho,
and Utah would require a: - ANSWER - wide area network.
Bandwidth is determined by: - ANSWER - determining the difference
between the highest and lowest frequency on a channel.
If you are creating a network using twisted-pair (CAT 5) wire, the cable
shouldn't exceed: - ANSWER - 100 meters.
pg. 1
,In the Dundee Precious Metals (DPM) case, what technology was added
to dramatically increase productivity and improve safety? - ANSWER -
An underground wireless Wi-Fi network
The method of slicing digital messages into parcels, transmitting them
along different communication paths, and reassembling them at their
destinations is called ________. - ANSWER - packet switching
The Internet is based on which of the following three key technologies?
- ANSWER - Client/server computing, packet switching, and TCP/IP
and related communications standards for linking networks and
computers
A company needing reliable network speeds at 1.5 Mbps would probably
need to lease a dedicated: - ANSWER - T1 line
Which is the BEST definition of hertz? - ANSWER - The number of
cycles per second that can be sent through a medium
Which single word below best describes Web 2.0? - ANSWER -
Dynamic
What is the name of the organization responsible for assigning public IP
addresses? - ANSWER - ICANN
pg. 2
, A _______________ is a program that seems like a normal program, but
does something completely unexpected. - ANSWER - Trojan horse
A __________ is a unique type of malware that replicates itself from one
computer to another. - ANSWER - worm
A ___________ is a type of spyware that records keystrokes to steal
sensitive information such as social security numbers. - ANSWER -
keylogger
Someone hacking into your Facebook account to add terrible photos and
messages is taking part in _________________. - ANSWER -
cybervandalism
Taking over computers and directing those systems to overload a
network is defined as a(n) _____________ attack. - ANSWER - denial-
of-service
If you receive an email asking for your social security number in return
for a million dollars, this is an example of _______________. -
ANSWER - phishing
____________________ is an increasing problem where hackers lock
parts of your computer and then demand money to unlock the system. -
ANSWER - Ransomware
pg. 3
209 EXAM 3 REVIEW WITH COMPLETE REAL EXAM
QUESTIONS AND CORRECT VERIFIED ANSWERS/
ALREADY GRADED A+| (MOST RECENT!!)
The signal from your iPod earphone is a(n): - ANSWER - analog signal.
Network signals that are represented by on-off pulses indicate a(n): -
ANSWER - digital signal.
If you were building a network intended to service two buildings that
were next to each other, you would construct a: - ANSWER - local area
network.
A company needing a network to connect its offices in Montana, Idaho,
and Utah would require a: - ANSWER - wide area network.
Bandwidth is determined by: - ANSWER - determining the difference
between the highest and lowest frequency on a channel.
If you are creating a network using twisted-pair (CAT 5) wire, the cable
shouldn't exceed: - ANSWER - 100 meters.
pg. 1
,In the Dundee Precious Metals (DPM) case, what technology was added
to dramatically increase productivity and improve safety? - ANSWER -
An underground wireless Wi-Fi network
The method of slicing digital messages into parcels, transmitting them
along different communication paths, and reassembling them at their
destinations is called ________. - ANSWER - packet switching
The Internet is based on which of the following three key technologies?
- ANSWER - Client/server computing, packet switching, and TCP/IP
and related communications standards for linking networks and
computers
A company needing reliable network speeds at 1.5 Mbps would probably
need to lease a dedicated: - ANSWER - T1 line
Which is the BEST definition of hertz? - ANSWER - The number of
cycles per second that can be sent through a medium
Which single word below best describes Web 2.0? - ANSWER -
Dynamic
What is the name of the organization responsible for assigning public IP
addresses? - ANSWER - ICANN
pg. 2
, A _______________ is a program that seems like a normal program, but
does something completely unexpected. - ANSWER - Trojan horse
A __________ is a unique type of malware that replicates itself from one
computer to another. - ANSWER - worm
A ___________ is a type of spyware that records keystrokes to steal
sensitive information such as social security numbers. - ANSWER -
keylogger
Someone hacking into your Facebook account to add terrible photos and
messages is taking part in _________________. - ANSWER -
cybervandalism
Taking over computers and directing those systems to overload a
network is defined as a(n) _____________ attack. - ANSWER - denial-
of-service
If you receive an email asking for your social security number in return
for a million dollars, this is an example of _______________. -
ANSWER - phishing
____________________ is an increasing problem where hackers lock
parts of your computer and then demand money to unlock the system. -
ANSWER - Ransomware
pg. 3
