WorksheetsComputer Communication Networks Activity Quiz (30 Marks)
Total questions: 30
Worksheet time: 23mins
Which layer of the OSI model is responsible for end-to-end delivery and error control?
Network layer
Transport layer
Data Link layer
Session layer
What is the default port number for HTTPS?
80
25
443
110
Which device operates at the Network layer of the OSI model?
Hub
Switch
Router
Bridge
Which of the following protocols is connectionless?
TCP
FTP
UDP
SMTP
DNS is used to:
Assign IP addresses automatically
Translate domain names to IP addresses
Secure data transmission
Route packets in a network
What is the range of a private Class C IP address?
10.0.0.0 – 10.255.255.255
172.16.0.0 – 172.31.255.255
192.168.0.0 – 192.168.255.255
224.0.0.0 – 239.255.255.255
Which command is used to test network connectivity between two devices?
ipconfig
ping
netstat
tracert
Which of these is a routing protocol?
SMTP
RIP
FTP
HTTP
The unit of transmission in the Data Link layer is called:
Frame
Packet
Segment
Bit
The IPv6 address is how many bits long?
32
64
128
256
Which protocol is used to send email from a client to a mail server?
POP3
IMAP
SMTP
SNMP
Which layer of the OSI model is responsible for path determination and logical addressing?
Transport layer
Network layer
Data Link layer
Application layer
What is the maximum length of a CAT5e Ethernet cable segment?
50 meters
75 meters
100 meters
150 meters
Which of the following is a dynamic routing protocol?
ARP
RIP
DNS
FTP
Which device operates at the Data Link layer?
Router
Switch
Hub
Modem
Which of the following is not an IP address class?
Class A
Class B
Class C
Class D
Class F
Which protocol uses port number 22?
FTP
SSH
Telnet
SNMP
What is the primary purpose of ARP?
To translate IP addresses to MAC addresses
To translate MAC addresses to IP addresses
To encrypt data
To route packets
Which of these is a valid IPv6 address format?
192.168.1.1
fe80::1
255.255.255.0
200.200.200
Which layer of the OSI model ensures reliable data transfer?
Network
Transport
Data Link
Session
Which of the following protocols provides file transfer with encryption?
FTP
TFTP
SFTP
HTTP
Which of these is a layer 1 device?
Switch
Hub
Router
Bridge
Which protocol is used for network management?
SMTP
SNMP
DNS
DHCP
What is the default subnet mask for a Class B IP address?
255.0.0.0
255.255.0.0
255.255.255.0
255.255.255.255
Which command displays the routing table in Windows?
ipconfig
route print
ping
netstat
Which of the following uses a three-way handshake?
UDP
TCP
ICMP
RIP
Which protocol is used to resolve domain names to IP addresses?
DHCP
DNS
HTTP
ARP
What is the default port number for Telnet?
20
21
22
23
What type of address is used by switches to forward data frames?
IP address
MAC address
Port address
Network address
Which layer of the OSI model handles data compression and encryption?
Session
Presentation
Application
Transport
