Networking

Question 1

What does IP stand for?

Answer 1

Internet Protocol

Question 2

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

Answer 2

True

Question 3

What are the two main versions of IP?

Answer 3

IPv4 and IPv6

Question 4

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

Answer 4

32

Question 5

What is the maximum number of unique IPv4 addresses?

Answer 5

Approximately 4.3 billion

Question 6

True or False: IPv6 addresses are 128 bits long.

Answer 6

True

Question 7

What is the purpose of a subnet mask?

Answer 7

To divide an IP address into network and host portions

Question 8

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

Answer 8

A) 192.168.1.1

Question 9

What is a public IP address?

Answer 9

An IP address that is accessible over the internet

Question 10

What is a private IP address?

Answer 10

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

Question 11

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

Answer 11

127.0.0.1

Question 12

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

Answer 12

True

Question 13

What does the CIDR notation /24 indicate?

Answer 13

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

Question 14

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

Answer 14

D) Class D

Question 15

What is NAT?

Answer 15

Network Address Translation

Question 16

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

Answer 16

True

Question 17

What is the function of DHCP?

Answer 17

To dynamically assign IP addresses to devices on a network

Question 18

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

Answer 18

192.0.0.0 to 223.255.255.255

Question 19

What is an IP packet?

Answer 19

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

Question 20

What is ARP?

Answer 20

Address Resolution Protocol

Question 21

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

Answer 21

True

Question 22

What is a broadcast address?

Answer 22

An address that sends packets to all devices on a network

Question 23

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

Answer 23

D) All of the above

Question 24

What is the primary benefit of IPv6 over IPv4?

Answer 24

A much larger address space

Question 25

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

Answer 25

0

Question 27

What does IPv4 stand for?

Answer 27

Internet Protocol version 4

Question 28

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

Answer 28

True

Question 29

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

Answer 29

dotted-decimal

Question 30

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

Answer 30

Periods

Question 31

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

Answer 31

0 to 255

Question 32

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

Answer 32

B) 172.16.0.1

Question 33

What is the purpose of subnetting in IPv4 addressing?

Answer 33

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

Question 34

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

Answer 34

True

Question 35

What are the two main types of IPv4 addresses?

Answer 35

Public and Private

Question 36

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

Answer 36

192.168.0.0 to 192.168.255.255

Question 38

What is the primary purpose of IPv6 addressing?

Answer 38

To provide a larger address space than IPv4.

Question 39

True or False: IPv6 addresses are 128 bits long.

Answer 39

True.

Question 40

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

Answer 40

colons.

Question 41

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

Answer 41

::

Question 42

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

Answer 42

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

Question 43

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

Answer 43

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

Question 44

What is the range of global unicast IPv6 addresses?

Answer 44

2000::/3

Question 45

True or False: IPv6 supports address auto-configuration.

Answer 45

True.

Question 46

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

Answer 46

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

Question 47

What is the significance of the 'prefix length' in IPv6 addressing?

Answer 47

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

Question 49

What is the primary function of a switch?

Answer 49

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

Question 50

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

Answer 50

False

Question 51

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

Answer 51

router

Question 52

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

Answer 52

bridge

Question 53

Which device broadcasts data to all devices on a network?

Answer 53

hub

Question 54

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

Answer 54

B) Switch

Question 55

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

Answer 55

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

Question 56

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

Answer 56

True

Question 57

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

Answer 57

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

Question 58

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

Answer 58

router

Question 59

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

Answer 59

router

Question 60

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

Answer 60

C) Router

Question 61

What is the primary function of a bridge?

Answer 61

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

Question 62

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

Answer 62

True

Question 63

What type of data does a hub transmit?

Answer 63

Raw data packets to all connected devices.

Question 64

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

Answer 64

switch

Question 65

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

Answer 65

Switch

Question 66

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

Answer 66

B) Switch

Question 67

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

Answer 67

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

Question 68

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

Answer 68

True

Question 69

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

Answer 69

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

Question 70

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

Answer 70

hub

Question 71

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

Answer 71

Switch

Question 72

What is one key feature of a router?

Answer 72

It can connect different networks and manage traffic between them.

Question 73

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

Answer 73

C) Router

Question 75

What does VPN stand for?

Answer 75

Virtual Private Network

Question 76

True or False: A VPN encrypts your internet traffic.

Answer 76

True

Question 77

What is the primary purpose of a VPN?

Answer 77

To provide secure and private access to the internet.

Question 78

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

Answer 78

secure

Question 79

Which protocol is commonly used with VPNs for secure communication?

Answer 79

IPsec

Question 80

What does IPsec stand for?

Answer 80

Internet Protocol Security

Question 81

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

Answer 81

True

Question 82

What are the two main modes of IPsec?

Answer 82

Transport mode and Tunnel mode

Question 83

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

Answer 83

B) Improved internet speed

Question 84

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

Answer 84

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

Question 85

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

Answer 85

geographical

Question 86

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

Answer 86

False

Question 87

What is a common use case for a VPN?

Answer 87

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

Question 88

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

Answer 88

B) IPsec

Question 89

What type of encryption is commonly used in IPsec?

Answer 89

AES (Advanced Encryption Standard)

Question 90

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

Answer 90

eavesdropping

Question 91

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

Answer 91

True

Question 92

What is the role of a VPN gateway?

Answer 92

To manage the VPN connections and secure the data traffic.

Question 93

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

Answer 93

D) File Transfer Protocol

Question 94

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

Answer 94

To establish a secure channel for key exchange.

Question 95

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

Answer 95

internet

Question 96

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

Answer 96

True

Question 97

What type of authentication can IPsec use?

Answer 97

Pre-shared keys or digital certificates.

Question 98

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

Answer 98

B) Only selected traffic goes through the VPN