Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Computer Science Topics > Networking > Flashcards

Networking Flashcards

1
Q

What does IP stand for?

A

Internet Protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

True or False: An IP address uniquely identifies a device on a network.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the two main versions of IP?

A

IPv4 and IPv6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Fill in the blank: An IPv4 address consists of ___ bits.

A

32

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the maximum number of unique IPv4 addresses?

A

Approximately 4.3 billion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

True or False: IPv6 addresses are 128 bits long.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the purpose of a subnet mask?

A

To divide an IP address into network and host portions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Multiple Choice: Which of the following is a valid IPv4 address? A) 192.168.1.1 B) 256.100.50.25 C) 192.168.1.300 D) 10.0.0.256

A

A) 192.168.1.1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is a public IP address?

A

An IP address that is accessible over the internet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is a private IP address?

A

An IP address that is used within a private network and not routable on the internet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Fill in the blank: The loopback address in IPv4 is ___

A

127.0.0.1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

True or False: CIDR stands for Classless Inter-Domain Routing.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What does the CIDR notation /24 indicate?

A

That the first 24 bits of the IP address are the network part

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Multiple Choice: Which of the following is NOT a class of IP address? A) Class A B) Class B C) Class C D) Class D

A

D) Class D

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is NAT?

A

Network Address Translation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

True or False: NAT allows multiple devices on a local network to share a single public IP address.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the function of DHCP?

A

To dynamically assign IP addresses to devices on a network

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Fill in the blank: The range of Class C addresses is from ___ to ___.

A

192.0.0.0 to 223.255.255.255

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is an IP packet?

A

A formatted unit of data carried by a packet-switched network

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is ARP?

A

Address Resolution Protocol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

True or False: ARP is used to map IP addresses to MAC addresses.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is a broadcast address?

A

An address that sends packets to all devices on a network

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Multiple Choice: Which of the following is a reserved IP address? A) 10.0.0.1 B) 172.16.0.1 C) 192.168.1.1 D) All of the above

A

D) All of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the primary benefit of IPv6 over IPv4?

A

A much larger address space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Fill in the blank: The first octet of a Class A address starts with ___

A

0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What does IPv4 stand for?

A

Internet Protocol version 4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

True or False: IPv4 addresses are 32 bits in length.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Fill in the blank: An IPv4 address is typically written in ________ notation.

A

dotted-decimal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

What are the four octets in an IPv4 address separated by?

A

Periods

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

What is the range of a single octet in an IPv4 address?

A

0 to 255

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Multiple Choice: Which of the following is a valid IPv4 address? A) 192.168.1.256 B) 172.16.0.1 C) 256.100.50.25 D) 10.0.0.999

A

B) 172.16.0.1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

What is the purpose of subnetting in IPv4 addressing?

A

To divide a larger network into smaller, manageable sub-networks.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

True or False: The address 127.0.0.1 is known as the loopback address in IPv4.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What are the two main types of IPv4 addresses?

A

Public and Private

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Fill in the blank: The IPv4 address range for private networks in Class C is ________.

A

192.168.0.0 to 192.168.255.255

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What is the primary purpose of IPv6 addressing?

A

To provide a larger address space than IPv4.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

True or False: IPv6 addresses are 128 bits long.

A

True.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Fill in the blank: An IPv6 address is typically represented as eight groups of four hexadecimal digits, separated by __________.

41
Q

What is the notation used to denote an unspecified IPv6 address?

42
Q

Which of the following is a valid IPv6 address? A) 192.168.1.1 B) 2001:0db8:85a3:0000:0000:8a2e:0370:7334 C) 10.0.0.1

A

B) 2001:0db8:85a3:0000:0000:8a2e:0370:7334

43
Q

What is the purpose of the IPv6 address type ‘link-local’?

A

To enable communication between devices on the same local network segment.

44
Q

What is the range of global unicast IPv6 addresses?

45
Q

True or False: IPv6 supports address auto-configuration.

46
Q

What does the term ‘NAT’ stand for in networking, and is it commonly used with IPv6?

A

Network Address Translation; it is not commonly used with IPv6.

47
Q

What is the significance of the ‘prefix length’ in IPv6 addressing?

A

It indicates the number of bits used for the network portion of the address.

49
Q

What is the primary function of a switch?

A

To connect devices within a local area network (LAN) and forward data to specific devices.

50
Q

True or False: A router operates at the Data Link layer of the OSI model.

51
Q

Fill in the blank: A _______ is used to connect multiple networks and route data between them.

52
Q

What device is primarily used to extend a network by connecting two or more network segments?

53
Q

Which device broadcasts data to all devices on a network?

54
Q

Multiple Choice: Which of the following devices can filter traffic based on MAC addresses?
A) Hub
B) Switch
C) Router
D) Bridge

55
Q

What is the main difference between a hub and a switch?

A

A hub broadcasts data to all ports, while a switch sends data only to the specific device it is intended for.

56
Q

True or False: Bridges can connect different network types, such as wired and wireless networks.

57
Q

What is the role of a router in a home network?

A

To connect the home network to the internet and manage traffic between devices.

58
Q

Fill in the blank: A _______ operates at the Network layer of the OSI model.

59
Q

Which device is typically used in a small office or home office (SOHO) network?

60
Q

Multiple Choice: Which device would you use to connect two LANs?
A) Hub
B) Switch
C) Router
D) Repeater

61
Q

What is the primary function of a bridge?

A

To filter and forward traffic between two or more network segments.

62
Q

True or False: A switch can operate in full-duplex mode.

63
Q

What type of data does a hub transmit?

A

Raw data packets to all connected devices.

64
Q

Fill in the blank: A _______ connects devices within the same network and operates at Layer 2.

65
Q

Which device is more efficient in handling data traffic, a hub or a switch?

66
Q

Multiple Choice: Which device would you use to isolate collision domains?
A) Hub
B) Switch
C) Bridge
D) All of the above

67
Q

What is the primary advantage of using a switch over a hub?

A

A switch can intelligently direct data to specific devices, reducing network congestion.

68
Q

True or False: Routers can perform network address translation (NAT).

69
Q

What is the function of a network bridge in terms of network performance?

A

To reduce traffic on a network by dividing it into segments.

70
Q

Fill in the blank: A _______ connects multiple devices but does not filter traffic.

71
Q

Which device typically has a higher port count, a switch or a hub?

72
Q

What is one key feature of a router?

A

It can connect different networks and manage traffic between them.

73
Q

Multiple Choice: Which device can provide security features such as firewall capabilities?
A) Hub
B) Switch
C) Router
D) Bridge

75
Q

What does VPN stand for?

A

Virtual Private Network

76
Q

True or False: A VPN encrypts your internet traffic.

77
Q

What is the primary purpose of a VPN?

A

To provide secure and private access to the internet.

78
Q

Fill in the blank: A VPN creates a __________ tunnel between your device and the internet.

79
Q

Which protocol is commonly used with VPNs for secure communication?

80
Q

What does IPsec stand for?

A

Internet Protocol Security

81
Q

True or False: IPsec can provide both authentication and encryption.

82
Q

What are the two main modes of IPsec?

A

Transport mode and Tunnel mode

83
Q

Multiple Choice: Which of the following is NOT a benefit of using a VPN? A) Increased privacy B) Improved internet speed C) Access to region-locked content D) Enhanced security

A

B) Improved internet speed

84
Q

What is the main difference between Transport mode and Tunnel mode in IPsec?

A

Transport mode encrypts only the payload, while Tunnel mode encrypts the entire IP packet.

85
Q

Fill in the blank: VPNs are often used to bypass __________ restrictions.

A

geographical

86
Q

True or False: All VPNs use IPsec for their security protocols.

87
Q

What is a common use case for a VPN?

A

Connecting remote workers securely to a company’s internal network.

88
Q

Multiple Choice: Which of the following is a common VPN protocol? A) FTP B) IPsec C) SMTP D) HTTP

89
Q

What type of encryption is commonly used in IPsec?

A

AES (Advanced Encryption Standard)

90
Q

Fill in the blank: A VPN can protect your data from __________ on public Wi-Fi networks.

A

eavesdropping

91
Q

True or False: A VPN can hide your IP address.

92
Q

What is the role of a VPN gateway?

A

To manage the VPN connections and secure the data traffic.

93
Q

Multiple Choice: Which of the following is NOT a component of IPsec? A) Security Association B) Authentication Header C) Internet Key Exchange D) File Transfer Protocol

A

D) File Transfer Protocol

94
Q

What is the function of the Internet Key Exchange (IKE) in IPsec?

A

To establish a secure channel for key exchange.

95
Q

Fill in the blank: A VPN can be used to secure __________ communications.

96
Q

True or False: VPNs can be used to connect to a local area network (LAN) over the internet.

97
Q

What type of authentication can IPsec use?

A

Pre-shared keys or digital certificates.

98
Q

Multiple Choice: Which of the following best describes a split-tunnel VPN? A) All traffic goes through the VPN B) Only selected traffic goes through the VPN C) No traffic goes through the VPN D) Traffic is encrypted without a VPN

A

B) Only selected traffic goes through the VPN

Computer Science Topics (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions