Firewalls
Name:
Date:
Class:
A
Quick Questions
Shade in the A or B circle for each question.
1. Does a firewall monitor incoming and outgoing traffic?
2. Does a firewall use defined security rules to decide what passes?
3. Does a firewall block all internet traffic completely?
4. Can a firewall allow safe traffic while blocking risky traffic?
5. Is a firewall the same thing as a server that stores web pages?
B
Match the Pairs
Draw a line connecting each item on the left to its match on the right.
| Left column | Right column | |
|---|---|---|
| 1Firewall | AWrong - a firewall checks both incoming and outgoing traffic | |
| 2Security rule | BA defined instruction that decides if traffic is allowed or blocked | |
| 3Letting safe traffic pass through the network | CWrong - a firewall filters traffic selectively using rules | |
| 4Stopping risky traffic from entering or leaving | DAllow rule | |
| 5A firewall blocks all network traffic completely | EMonitors and controls network traffic using security rules | |
| 6A firewall only checks traffic leaving the network | FBlock rule |
C
Definitions
Firewall
D
Fill in the Blanks
Complete each line of code by filling in the missing parts.
1.
A ________ monitors network traffic
2.
A firewall ________ network traffic
3.
Firewalls follow security _____
4.
A rule can _____ safe traffic
5.
A rule can _____ risky traffic
E
Spot the Error
Shade in the letter of the line that contains an error.
Question 1
A
Firewalls block everything
B
Firewalls filter traffic
C
They follow security rules
D
They monitor network flow
Question 2
A
A firewall checks traffic
B
It blocks all internet use
C
It follows defined rules
D
It monitors data flow
Question 3
A
Firewalls monitor traffic
B
They apply security rules
C
They never filter data
D
They can block risky data
Question 4
A
A firewall filters traffic
B
It follows security rules
C
It blocks unsafe traffic
D
It stores all web pages
Question 5
A
Firewalls monitor traffic
B
They check traffic rules
C
They allow safe traffic
D
They block risky traffic
E
They format hard drives
Answer Key
Firewalls
Section A: Quick Questions
Q1
A — Yes
Q2
B — Yes
Q3
B — No
Q4
A — Yes
Q5
A — No
Section B: Match the Pairs
Q1
Firewall → Monitors and controls network traffic using security rules
Q2
Security rule → A defined instruction that decides if traffic is allowed or blocked
Q3
Letting safe traffic pass through the network → Allow rule
Q4
Stopping risky traffic from entering or leaving → Block rule
Q5
A firewall blocks all network traffic completely → Wrong - a firewall filters traffic selectively using rules
Q6
A firewall only checks traffic leaving the network → Wrong - a firewall checks both incoming and outgoing traffic
Section C: Definitions
Q1
Firewall — A device or program that monitors and controls incoming and outgoing network traffic according to defined security rules.Section D: Fill in the Blanks
Q1
A firewall monitors network trafficQ2
A firewall controls network trafficQ3
Firewalls follow security rulesQ4
A rule can allow safe trafficQ5
A rule can block risky trafficSection E: Spot the Error
Q1
A — Firewalls don't block everything - they filter traffic based on rules.
Q2
B — A firewall doesn't block all internet use - it filters based on rules.
Q3
C — Firewalls do filter data - that's their core function.
Q4
D — Storing web pages is a server's job, not a firewall's job.
Q5
E — Formatting hard drives is not a firewall's function.