The ping command
Name:
Date:
Class:
A
Quick Questions
Shade in the A or B circle for each question.
1. Which command checks whether another device replies and how long it takes?
2. What does ping send to the other device?
3. Reply time in a ping result is measured in which unit?
4. Which ping command uses a domain name instead of an IP address?
5. A ping shows 'Request timed out'. What does this mean?
B
Match the Pairs
Draw a line connecting each item on the left to its match on the right.
| Left column | Right column | |
|---|---|---|
| 1ping 8.8.8.8 | AThe device answered and the round trip took 24 milliseconds | |
| 2Reply from 8.8.8.8: time=24ms | BThere is no space between the command and the address, so the computer reads it as one unknown word. It should be ping 8.8.8.8. | |
| 3Ping can test a website by using its domain name instead of an IP address | CSends a test message to the IP address 8.8.8.8 and reports whether it replied | |
| 4A ping that gets no answer shows a message saying the request timed out | Dping example.com | |
| 5ping8.8.8.8 | EThe IP address has only three numbers. An IPv4 address needs four parts, such as 8.8.8.8, so ping cannot find a real device. | |
| 6ping 8.8.8 | FRequest timed out. |
C
Definitions
ping address
D
Fill in the Blanks
Complete each line of code by filling in the missing parts.
1.
____ 8.8.8.8
2.
ping 8.8.8.8
Reply from 8.8.8.8: time=24__
3.
ping 8.8.8.8
Request _________.
4.
____ example.com
5.
ping 8.8.8.8
Reply from _______: bytes=32 time=24ms
E
Spot the Error
Shade in the letter of the line that contains an error.
Question 1
A
ping 8.8.8.8
B
Reply from 8.8.8.8: time=14ms
C
Reply from 8.8.8.8: time=15ms
D
Reply from 8.8.8.8: time=13GB
Question 2
A
ping google.com
B
Reply from 142.250.1.1: 20ms
C
ping http://www.example.com
Question 3
A
ping 192.168.1.50
B
Request timed out.
C
Request timed out.
D
Sent=2, Received=2, Lost=2
Question 4
A
ping 8.8.8.8
B
Reply from 8.8.4.4: time=9ms
C
Reply from 8.8.8.8: time=11ms
Question 5
A
ping 192.168.1.1
B
Reply from 192.168.1.1: 3ms
C
ping 8.8.8.256
Answer Key
The ping command
Section A: Quick Questions
Q1
A — ping 8.8.8.8
Q2
B — A small test message
Q3
B — Milliseconds (ms)
Q4
A — ping google.com
Q5
A — No reply came back in time
Section B: Match the Pairs
Q1
ping 8.8.8.8 → Sends a test message to the IP address 8.8.8.8 and reports whether it replied
Q2
Reply from 8.8.8.8: time=24ms → The device answered and the round trip took 24 milliseconds
Q3
Ping can test a website by using its domain name instead of an IP address → ping example.com
Q4
A ping that gets no answer shows a message saying the request timed out → Request timed out.
Q5
ping8.8.8.8 → There is no space between the command and the address, so the computer reads it as one unknown word. It should be ping 8.8.8.8.
Q6
ping 8.8.8 → The IP address has only three numbers. An IPv4 address needs four parts, such as 8.8.8.8, so ping cannot find a real device.
Section C: Definitions
Q1
ping address — A command that sends a small test message to another device and reports whether it replied and how long the reply took in milliseconds. Example: ping 8.8.8.8Section D: Fill in the Blanks
Q1
ping 8.8.8.8Q2
ping 8.8.8.8
Reply from 8.8.8.8: time=24msQ3
ping 8.8.8.8
Request timed out.Q4
ping example.comQ5
ping 8.8.8.8
Reply from 8.8.8.8: bytes=32 time=24msSection E: Spot the Error
Q1
D — Ping reports reply time in milliseconds (ms), not gigabytes. It should be time=13ms.
Q2
C — Ping needs a domain name or IP address, not a full URL. Remove http:// and write ping www.example.com.
Q3
D — Both requests timed out, so no replies came back. It should say Received=0, Lost=2.
Q4
B — The reply must come from the address that was pinged. It should be Reply from 8.8.8.8, not 8.8.4.4.
Q5
C — Each part of an IPv4 address can only be 0 to 255, so 256 is invalid. It should be ping 8.8.8.8.