Network

Question 1

What is the protocol used for secure web browsing?

Answer 1

HTTPS

Question 2

What is the full form of IP?

Answer 2

Internet Protocol

Question 3

What is the current version of IP addressing?

Answer 3

IPv6

Question 4

What are the standard frequency bands for Wi-Fi?

Answer 4

2.4 GHz and 5 GHz

Question 5

What device connects networks together?

Answer 5

Router

Question 6

What device connects multiple computers within a LAN?

Answer 6

Switch

Question 7

What device connects a computer to a network?

Answer 7

NIC (Network Interface Card)

Question 8

What is the maximum length of a Cat6 Ethernet cable?

Answer 8

100 meters

Question 9

What is the default subnet mask for a Class C IP address?

Answer 9

255.255.255.0

Question 10

What command checks connectivity between two devices?

Answer 10

ping

Question 11

What command displays network configuration in Windows?

Answer 11

ipconfig

Question 12

What is the Linux command to check network configuration?

Answer 12

ifconfig (or ip addr)

Question 13

What protocol is used for sending email?

Answer 13

SMTP

Question 14

What protocol is used for receiving email?

Answer 14

IMAP or POP3

Question 15

What is the port number for HTTP?

Answer 15

80

Question 16

What is the port number for HTTPS?

Answer 16

443

Question 17

What is the port number for FTP?

Answer 17

21

Question 18

What protocol is used for remotely accessing another computer securely?

Answer 18

SSH (Secure Shell)

Question 19

What is the DNS record type for mapping domain names to IP addresses?

Answer 19

A Record

Question 20

What organization manages global IP addresses?

Answer 20

IANA (Internet Assigned Numbers Authority)

Question 21

What was the first web browser?

Answer 21

WorldWideWeb

Question 22

Which company invented Wi-Fi?

Answer 22

NCR Corporation / AT&T (1991)

Question 23

What is the fastest fiber-optic internet speed currently available?

Answer 23

10 Gbps or higher

Question 24

What technology is used for long-distance wireless communication?

Answer 24

Microwave Transmission

Question 25

What is the networking model with 7 layers?

Answer 25

OSI Model

Question 26

What protocol is used for file transfers over the internet?

Answer 26

FTP

Question 27

What is the most commonly used wireless security protocol?

Answer 27

WPA2

Question 28

What encryption protocol is used in VPNs?

Answer 28

IPsec or OpenVPN

Question 29

What technology provides IP addresses dynamically?

Answer 29

DHCP (Dynamic Host Configuration Protocol)

Question 30

What command tests DNS resolution?

Answer 30

nslookup

Question 31

What method is used to assign static IPs?

Answer 31

Manual Configuration

Question 32

What protocol synchronizes time on networks?

Answer 32

NTP (Network Time Protocol)

Question 33

What is the most commonly used standard for wireless networking?

Answer 33

IEEE 802.11

Question 34

How many bits are in an IPv4 address?

Answer 34

32 bits

Question 35

How many bits are in an IPv6 address?

Answer 35

128 bits

Question 36

What service translates domain names into IP addresses?

Answer 36

DNS (Domain Name System)

Question 37

What type of network covers a small geographic area?

Answer 37

LAN (Local Area Network)

Question 38

What is the largest and most extensive network in the world?

Answer 38

Internet

Question 39

What is the maximum theoretical speed of a Cat5e Ethernet cable?

Answer 39

1 Gbps

Question 40

What is the name of the standard that allows phones to connect to 5G?

Answer 40

3GPP 5G NR (New Radio)

Question 41

What is the term for the physical path data travels on?

Answer 41

Transmission Medium

Question 42

What is the term for multiple devices communicating without a central server?

Answer 42

Peer-to-Peer (P2P)

Question 43

What is the name of the attack that intercepts network traffic?

Answer 43

Man-in-the-Middle (MITM) Attack

Question 44

What is the term for encrypting internet traffic?

Answer 44

SSL/TLS Encryption

Question 45

What is the main difference between IPv4 and IPv6?

Answer 45

IPv6 supports more addresses

Question 46

What was the first widely used Wi-Fi security protocol?

Answer 46

WEP (Wired Equivalent Privacy)

Question 47

What technology is used for voice communication over the internet?

Answer 47

VoIP (Voice over IP)

Question 48

What is the range of private IP addresses in Class A?

Answer 48

10.0.0.0 – 10.255.255.255

Question 49

What is the main protocol used for video streaming?

Answer 49

RTSP (Real-Time Streaming Protocol)