ACARA Digital Technologies Years 9–10 Crossword: Networked Systems and Access Control (Modules 12–34)
Name:
Date:
Class:
✎
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
- 2. Two devices are on the ______ when their IP addresses have the ______ part under the subnet mask. If the network part differs, data must go via the router. Word 1 of: ____ network (4)
- 3. A list pairing each ______ name with an IP address. A DNS server looks up a name in it. A missing or wrong entry sends users to the wrong place or nowhere. Word 1 of: ______ _____ (6)
- 6. A network layout where each device has its own cable to a central switch or router, so one broken cable cuts off only that device. If the central device fails, the whole network goes down. Word 1 of: ____ topology (4)
- 8. Word 2 of the term in 1 Down: ________ _______.com (7)
- 9. Word 1 of the term in 5 Down: _______ _______ (7)
Down
- 1. A command that asks a DNS server for the IP address that matches a domain name. The reply shows which DNS server answered and the Address line with the site's IP. Word 1 of: ________ _______.com (8)
- 4. An ______ like 192.168.1.5 that works only inside a local network. The internet sees the router's public IP instead, and NAT translates between the two so many devices can share it. Word 3 of: private IP _______ (7)
- 5. The router address a device sends data to when the destination is not on its own network. It is usually the router's LAN address. With no ______ set, a device cannot reach the internet. Word 2 of: _______ _______ (7)
- 6. A number like 255.255.255.0 that splits an IP address into a network part and a device (host) part. With 255.255.255.0, the first three groups name the network. Word 1 of: ______ mask (6)
- 7. Word 2 of the term in 3 Across: ______ _____ (5)
Answer Key
ACARA Digital Technologies Years 9–10 · Modules 12–34
1N
2S
A
M
E
L
3D
O
M
4A
I
N
5G
O
D
6S
T
A
R
K
D
U
T
7T
U
R
B
8E
X
A
M
P
L
E
N
W
B
S
9D
E
F
A
U
L
T
S
T
Y
E
Across
2SAME — Two devices are on the ______ when their IP addresses have the ______ part under the subnet mask. If the network part differs, data must go via the router. Word 1 of: ____ network
3DOMAIN — A list pairing each ______ name with an IP address. A DNS server looks up a name in it. A missing or wrong entry sends users to the wrong place or nowhere. Word 1 of: ______ _____
6STAR — A network layout where each device has its own cable to a central switch or router, so one broken cable cuts off only that device. If the central device fails, the whole network goes down. Word 1 of: ____ topology
8EXAMPLE — Word 2 of the term in 1 Down: ________ _______.com
9DEFAULT — Word 1 of the term in 5 Down: _______ _______
Down
1NSLOOKUP — A command that asks a DNS server for the IP address that matches a domain name. The reply shows which DNS server answered and the Address line with the site's IP. Word 1 of: ________ _______.com
4ADDRESS — An ______ like 192.168.1.5 that works only inside a local network. The internet sees the router's public IP instead, and NAT translates between the two so many devices can share it. Word 3 of: private IP _______
5GATEWAY — The router address a device sends data to when the destination is not on its own network. It is usually the router's LAN address. With no ______ set, a device cannot reach the internet. Word 2 of: _______ _______
6SUBNET — A number like 255.255.255.0 that splits an IP address into a network part and a device (host) part. With 255.255.255.0, the first three groups name the network. Word 1 of: ______ mask
7TABLE — Word 2 of the term in 3 Across: ______ _____