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Unit4_Networks Flashcards | StudBud
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Unit4_Networks
Unit4_Networks
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Answers
1
The wireless version of a NIC is called Wireless network interface cards (WNICs)
False
True
2
Switches are secure method of running a network.
True
False
3
What is the following device
Network Interface Card (NIC)
Router
Hub
Switch
4
Wi-Fi is best suited to operating full-scale networks
True
False
5
What is a router used for?
Connecting different networks and routing traffic between them.
Providing wireless connectivity.
Amplifying network signals.
Connecting devices within the same network.
6
How are each unique device identified in a network?
By their MAC address
By their hostname
By their port number
By their IP address
7
How do switches know where to send the data packets it receives?
By using pre-configured static routes.
By broadcasting the data packet to all connected devices.
By storing MAC addresses of connected devices and building a lookup table.
By analyzing the IP addresses of the destination devices.
8
What are switches used for?
To provide wireless connectivity.
To amplify network signals.
To connect devices and forward data only to the intended recipient.
To connect different networks together.
9
What does the router use to route incoming data packets?
Port Numbers
MAC Address
IP Address
Hostnames
10
Hubs are secure method of running a network.
True
False
11
Which of the following is bluetooth
not
useful for
Directly connecting a computer to a wired Ethernet network.
when transferring data between two or more devices which are very close by
when the speed of data transmission is not critical
for low-bandwidth applications
12
Your IP Address is assigned every time you connect to the internet.
False
True
13
What is a hub?
A central connection point that broadcasts all received data.
A type of network cable.
A device that intelligently forwards data.
A device that connects different networks.
14
What are data packets?
Small units of data transmitted over a network
Software programs that manage network connections
A collection of network cables and connectors
Encrypted files stored on a server
15
Bluetooth and WiFi both use the 2.4GHz frequency band
True
False
16
What is the difference between IPv4 and IPv6
IPv4 supports more devices than IPv6
IPv4 is used for local networks, while IPv6 is used for the internet
IPv4 is more secure than IPv6
IPv4 uses 32-bit addresses, while IPv6 uses 128-bit addresses
17
What is the function of the NIC
To allow a device to connect to a network.
To amplify network signals
To manage network traffic flow
18
What is the difference between a bridge and a switch
Bridge: Hardware, Switch: Software
Bridge connects one LAN to another related LAN, router can connect to any
Bridge: Connects unlike networks
Faster than switch
19
What is the disadvantage of using the 5 GHz band in WiFi?
Increased interference from other devices.
Incompatibility with older devices.
Shorter Signal range
Lower maximum data transfer speeds.
20
What does MAC stand for
Modular Application Code:
Main Area Connection
Media Access Control:
Metropolitan Area Circuit:
21
What is wifi and bluetooth used for?
Wi-Fi: Long-range communication; Bluetooth: High-bandwidth data transfer.
Wi-Fi: Connecting to printers; Bluetooth: Connecting to networks.
Wireless communication between devices.
Wi-Fi: File sharing; Bluetooth: Internet access.
22
What do we use IP Addresses for?
dentifying a specific device on a network
Routing network traffic to the correct destination
Providing a unique name for a device on the internet
Managing network security protocols
