Solved MCQs: Computer Networking
Which of the following is NOT a characteristic of a local area network (LAN)?
a) Limited geographical area
b) High data transfer rate
c) Low cost
d) Wide coverage
Which networking device operates at the Data Link Layer of the OSI model?
a) Router
b) Switch
c) Hub
d) Modem
Which protocol is used to assign IP addresses dynamically to devices on a network?
a) DNS
b) FTP
c) DHCP
d) HTTP
What is the purpose of a subnet mask in networking?
a) To identify the network portion of an IP address
b) To identify the host portion of an IP address
c) To translate domain names to IP addresses
d) To establish a secure connection between networks
Which network topology requires the least amount of cabling?
a) Bus
b) Star
c) Ring
d) Mesh
Which of the following protocols is used to transfer files between a client and a server?
a) TCP
b) IP
c) FTP
d) SMTP
What is the purpose of a default gateway in networking?
a) To connect two LANs together
b) To connect a LAN to the internet
c) To provide wireless access to a LAN
d) To secure a LAN from unauthorized access
Which device is used to connect multiple networks together?
a) Switch
b) Hub
c) Router
d) Modem
Which networking component is responsible for converting digital data into analog signals for transmission over telephone lines?
a) Modem
b) Switch
c) Router
d) Firewall
What is the purpose of DNS in computer networking?
a) To convert domain names to IP addresses
b) To establish secure connections between networks
c) To assign IP addresses to devices dynamically
d) To provide wireless access to a LAN
Which network protocol is used to send email messages?
a) FTP
b) SMTP
c) HTTP
d) DHCP
What is the maximum data transmission speed of a standard Ethernet connection?
a) 10 Mbps
b) 100 Mbps
c) 1 Gbps
d) 10 Gbps
Which of the following IP addresses is a private IP address?
a) 192.168.1.1
b) 172.16.0.1
c) 10.0.0.1
d) 255.255.255.0
What is the purpose of a firewall in computer networking?
a) To protect a network from unauthorized access
b) To convert domain names to IP addresses
c) To connect multiple networks together
d) To assign IP addresses to devices dynamically
Which network protocol is used to access websites on the World Wide Web?
a) FTP
b) SMTP
c) HTTP
d) DHCP
Which of the following is an example of a wireless networking technology?
a) Ethernet
b) Bluetooth
c) Fiber optic
d) Coaxial
What is the function of an IP address in computer networking?
a) To identify a device on a network
b) To establish a wireless connection
c) To encrypt data transmission
d) To determine the physical location of a device
Which network protocol is used for secure communication over the internet?
a) TCP
b) UDP
c) HTTPS
d) SNMP
What is the purpose of NAT (Network Address Translation) in networking?
a) To assign IP addresses to devices dynamically
b) To convert domain names to IP addresses
c) To provide wireless access to a LAN
d) To translate private IP addresses to public IP addresses
Which networking device operates at the Network Layer of the OSI model?
a) Router
b) Switch
c) Hub
d) Modem
What is the maximum number of hosts that can be addressed on a network with a subnet mask of 255.255.255.0?
a) 256
b) 512
c) 1024
d) 2048
Which network topology provides fault tolerance and redundancy?
a) Bus
b) Star
c) Ring
d) Mesh
What is the purpose of a MAC address in computer networking?
a) To identify a device on a network
b) To establish a wireless connection
c) To encrypt data transmission
d) To determine the physical location of a device
Which network protocol is used for transferring files over the internet?
a) TCP
b) IP
c) FTP
d) SMTP
What is the purpose of VLAN (Virtual Local Area Network) in networking?
a) To divide a physical LAN into multiple logical networks
b) To connect two LANs together
c) To provide wireless access to a LAN
d) To secure a LAN from unauthorized access
d
b
c
a
b
c
b
c
a
a
b
c
a, b, c
a
c
b
a
c
d
a
c
d
a
c
a