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ACARA Digital Technologies Years 9–10 · Modules 41–55

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A free printable ACARA Digital Technologies Years 9–10 crossword with 10 clues, built from the key terms of Networked Systems and Access Control (Modules 41–55) — Routing table and next hop, Hops and time to live (TTL), The traceroute command, Building a small network in a network simulator, The TCP/IP four-layer model, Internet Protocol (IP) and more. Print it or save it as a PDF — the answer key starts on its own page. No login needed.

ACARA Digital Technologies Years 9–10 Crossword: Networked Systems and Access Control (Modules 41–55)

Name:
Date:
Class:
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Crossword

Read each clue and write the matching term in the grid. Numbers in brackets show the letters in each word.

1
2
3
4
5
6
7
8
9

Across

  1. 2. Windows command (traceroute on Mac and Linux) that lists each router hop between your device and a site, with the time taken to reach each one. Stars (*) mean no reply. Word 1 of: _______ _______.___ (7)
  2. 6. Word 2 of the term in 1 Down: _______ _________ (9)
  3. 7. Word 3 of the term in 2 Across: _______ _______.___ (3)
  4. 8. Time to live: a number in a packet that drops by 1 at each router hop. When it reaches 0 the packet is discarded, so a packet stuck in a loop cannot circle forever. (3)
  5. 9. A four-layer plan for network communication: application (HTTP), transport (______, UDP), internet (IP) and network access (Ethernet, Wi-Fi). Each layer has its own job. Word 1 of: ___/IP model (3)

Down

  1. 1. Software like Filius where you place devices, set each IP address and subnet mask, connect them with cables, then send a ping to test they can reach each other. Word 1 of: _______ _________ (7)
  2. 3. Word 2 of the term in 2 Across: _______ _______.___ (7)
  3. 4. A list a router uses to pick where to send each packet. Each row has a destination network and a next hop. The default route 0.0.0.0 is used when no other row matches. Word 2 of: _______ _____ (5)
  4. 5. Word 1 of the term in 4 Down: _______ _____ (7)
  5. 6. ______ sends email from a client to a mail server and between servers. IMAP (or POP3) lets a client read email stored on the server. Each protocol has a different job. Word 1 of: ____ and IMAP (4)

Answer Key

ACARA Digital Technologies Years 9–10 · Modules 41–55
1N
E
2T
R
A
C
3E
R
4T
5R
T
X
A
O
W
A
B
U
O
6S
I
M
U
L
A
T
O
R
7C
O
M
P
E
I
K
8T
T
L
N
9T
C
P
E
G
Across
2TRACERT — Windows command (traceroute on Mac and Linux) that lists each router hop between your device and a site, with the time taken to reach each one. Stars (*) mean no reply. Word 1 of: _______ _______.___
6SIMULATOR — Word 2 of the term in 1 Down: _______ _________
7COM — Word 3 of the term in 2 Across: _______ _______.___
8TTL — Time to live: a number in a packet that drops by 1 at each router hop. When it reaches 0 the packet is discarded, so a packet stuck in a loop cannot circle forever.
9TCP — A four-layer plan for network communication: application (HTTP), transport (______, UDP), internet (IP) and network access (Ethernet, Wi-Fi). Each layer has its own job. Word 1 of: ___/IP model
Down
1NETWORK — Software like Filius where you place devices, set each IP address and subnet mask, connect them with cables, then send a ping to test they can reach each other. Word 1 of: _______ _________
3EXAMPLE — Word 2 of the term in 2 Across: _______ _______.___
4TABLE — A list a router uses to pick where to send each packet. Each row has a destination network and a next hop. The default route 0.0.0.0 is used when no other row matches. Word 2 of: _______ _____
5ROUTING — Word 1 of the term in 4 Down: _______ _____
6SMTP — ______ sends email from a client to a mail server and between servers. IMAP (or POP3) lets a client read email stored on the server. Each protocol has a different job. Word 1 of: ____ and IMAP

Modules this crossword covers

Every module has its own free printable worksheet with an answer key, and students can practise the same terms interactively on Cloodit.

Part of: ACARA Digital Technologies Years 9–10 — Networked Systems and Access Control, QCE Digital Solutions Unit 4 — Digital Methods for Exchanging Data, WA Computer Science ATAR Year 11 — Network Communications, WA Computer Science ATAR Year 11 — Cyber Security

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