WorksheetsEssentials of Digital Technology (DL)
Total questions: 20
Worksheet time: 10mins
What is the maximum value for any octet in an IP address?
128
255
192
100
Which part of the IP address is defined by the subnet mask's 1s?
Host portion
Network portion
Broadcast portion
Gateway
What is the subnet mask for a /16 network?
255.255.0.0
255.0.0.0
255.255.255.0
255.0.255.0
Which IP class supports up to 254 hosts?
Class A
Class B
Class C
Class D
What is the binary value of the decimal number 85?
01010101
10101010
11000000
00000001
What command in Windows shows MAC and IP addresses?
ifconfig -a
ipconfig /all
netstat -r
ping
What is a MAC address used for?
IP routing
Device identification
Subnet masking
DNS resolution
Which part of a MAC address identifies the manufacturer?
Last 24 bits
First 24 bits
Middle 24 bits
All 48 bits
What protocol automatically assigns IP addresses?
DNS
ARP
DHCP
WEP
What address range indicates a DHCP failure?
192.168.x.x
10.x.x.x
169.254.x.x
172.16.x.x
Switches forward data based on which address type?
IP address
MAC address
SSID
Subnet
What is the role of a router in a network?
Assign MAC addresses
Connect devices within a LAN
Connect different networks
Encrypt wireless traffic
What is the default gateway used for?
Assigning IP addresses
Connecting to external networks
Filtering MAC addresses
Mapping drives
What command shows the path data takes across networks?
ping
arp -a
tracert
ipconfig
What is a VLAN?
A wireless encryption method
A virtual network segment
A MAC address filter
A DNS server
What does UNC stand for?
Universal Network Configuration
Unified Naming Convention
Universal Naming Convention
Unique Network Code
What does a firewall do?
Assign IP addresses
Encrypt wireless traffic
Filter network traffic
Map network drives
Which port is used for HTTPS traffic?
80
443
21
104
Which 802.11 standard supports both 2.4 GHz and 5 GHz?
802.11a
802.11b
802.11g
802.11n
What are the three elements required for wireless association?
IP, MAC, SSID
SSID, Security, 802.11 Standard
DHCP, DNS, MAC
Subnet, Gateway, SSID
