問題一覧
1
What is an IP address used for?
Identifying devices on a network
2
Which of the following is NOT a main type of IP address?
Local
3
What is the main difference between a Public IP and a Private IP?
Public IPs connect to the Internet, Private IPs are for local network use
4
A Dynamic IP address is characterized by:
Changing each time a device connects to the network
5
What type of IP address is assigned permanently to a device?
Static IP
6
Which type of IP address is shared among multiple websites?
Shared IP
7
IPv4 uses a(n) ____-bit address system, allowing over 4 billion unique addresses.
32
8
What is a primary reason for the development of IPv6?
To expand the number of available IP addresses
9
Which IP addressing method allows communication from one sender to a group of specific receivers?
Multicast
10
A Dedicated IP address is beneficial for websites because it:
Allows direct access to the website via IP address alone
11
An IP address helps identify devices on a network and enables communication between them
True
12
A Public IP address is only used within a local network and cannot connect directly to the Internet.
False
13
Private IP addresses are assigned to devices within a local network, such as home or office networks.
True
14
A Static IP address is a temporary address that changes each time a device connects to the network.
False
15
IPv4 addresses use a 32-bit address system, which allows for over 4 billion unique addresses.
True
16
A Shared IP address is unique to each website and allows direct access to the website using the IP address alone.
False
17
Multicast IP addressing is used for one-to-many communication, like video streaming or online gaming.
True
18
Anycast addressing is only available in IPv4 and allows one-to-all communication on a network.
True
19
A Dedicated IP address can help avoid blacklisting issues caused by other websites on the same server
True
20
What does Unicast addressing refer to?
Sending data from one sender to a specific single receiver
21
Broadcast addressing allows:
One-to-all communication within a network
22
Unicast addressing is used for one-to-one communication between a single sender and a single receiver.
True
23
Broadcast addressing is only available in IPv6 networks, allowing one-to-all communication within a local network.
False
24
Broadcast IP addresses send data to every device on a network.
True
25
Unicast addressing can be used for both IPv4 and IPv6 networks.
True
26
Which of the following connects devices and allows them to communicate within a network?
Router
27
What is the purpose of an RJ45 connector?
To connect telecommunications or networking equipment
28
Which cable is known for being affordable and commonly used in networking?
UTP (Unshielded Twisted Pair) cable
29
Which tool is used to attach RJ-45 connectors to the ends of network cables?
Crimper
30
What does a Network Interface Card (NIC) enable?
Connecting a computer to a network
31
Which of the following acts as a central connection point by forwarding data between network devices?
Switch Hub
32
What is the function of a UPS (Uninterruptible Power Supply)?
To maintain power during outages
33
Which component organizes and connects cables in a network, allowing various combinations?
Patch Panel
34
A router can connect to the internet and share that connection with devices in a network.
True
35
A crimper is used to connect devices on a network by forwarding data packets to their destinations
False
36
A wireless access point extends the range of a wireless network, especially in areas where the router’s signal is weak.
False
37
Ethernet cables like Cat 6 are rated for speed and are commonly used for wired network connections.
True
38
A patch panel is used to test the connectivity of network cables.
False
39
A switch hub is also known as a bridging hub or network switch
True
40
An RJ45 connector is used for wireless networking.
False
41
A Network Interface Card (NIC) allows a computer to connect to a network via Ethernet.
True
42
An Uninterruptible Power Supply (UPS) is used for cable management in networking.
False
43
What is a Modular Box used for in networking?
To provide individually-housed components that are easy to upgrade
44
What is a Bay Rack used for in a networking setup?
To organize and hold hardware such as servers and drives
45
What is the purpose of a Raceway or Slotted PVC in networking?
To securely lay cables along walls in an organized way
46
What is a Computer Desktop in the context of networking?
An electronic device for storing and processing data, often connected to a network
47
A Modular Box allows individual components of a computer network to be removed or upgraded separately.
True
48
A Bay Rack is used for securely holding hardware such as servers and other network devices in a small physical space.
True
49
Raceway or Slotted PVC is a type of cable organizer used to secure cables along walls in offices and labs.
True
50
A Computer Desktop is typically used as a device for storing and processing data and can be connected to a network.
True
51
A Modular Box is mainly used for connecting devices to Wi-Fi
False
52
TCP
Transmission Control Protocol
53
DHCP
Dynamic Host Configuration Protocol
54
IoT
Internet of Things
55
IP
Internet Protocol
56
HTTP
Hypertext Transfer Protocol
57
SMTP
Simple Mail Transfer Protocol
58
MIME
Multipurpose Internet Mail Extension
59
IOS
International Organization Standardization
60
FTP
File Transfer Protocol
61
UDP
User Datagram Protocol
62
Class A?
0-128
63
Class B
129-191
64
Class C?
192-223
65
Class D
224-Beyond