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,
1 : Which layer of the OSI model is responsible for node-to-node data transfe and error detection?
A
:
(a) Physical Layer
B
:
(b) Data Link Layer
C
:
(c) Network Layer
D
:
(d) Transport Layer
2 : What is the primary objective of computer networks?
A
:
(a) Increase computational power
B
:
(b) Enable resource sharing and data communication
C
:
(c) Enhance graphic capabilities
D
:
(d) Improve software development
3 : Which method of data transmission uses a dedicated communication path?
A
:
(a) Packet Switching
B
:
(b) Circuit Switching
C
:
(c) Full-Duplex
D
:
(d) Half-Duplex
4 : What is a key benefit of using computer networks in businesses?
A
:
(a) Increase computational power
B
:
(b) Enable resource sharing and efficient communication
C
:
(c) Enhance graphic capabilities
D
:
(d) Improve software development
5 : What is the main purpose of a firewall in network security?
A
:
(a) Convert data into a secure format
B
:
(b) Monitor and control network traffic
C
:
(c) Assign IP addresses
D
:
(d) Translate domain names
6 : What is encapsulation in the context of network communication?
A
:
(a) Converting data into a secure format
B
:
(b) Wrapping data with protocol information
C
:
(c) Monitoring network traffic
D
:
(d) Translating domain names to IP addresses
7 : Which protocol is used for reliable data transfer in the TCP/IP model?
A
:
(a) HTTP
B
:
(b) FTP
C
:
(c) TCP
D
:
(d) UDP
8 : Which network topology connects all devices to a central hub?
A
:
(a) Ring
B
:
(b) Mesh
C
:
(c) Bus
D
:
(d) Star
9 : Which device is used to connect multiple networks and direct data packet between them?
A
:
(a) Switch
B
:
(b) Hub
C
:
(c) Router
D
:
(d) Modem
10 : What is the function of the Domain Name System (DNS)?
A
:
(a) Assign IP addresses dynamically
B
:
(b) Translate domain names to IP addresses
C
:
(c) Secure data communication
D
:
(d) Monitor network traffic
11 : Which protocol is used to transfer files over the Internet securely?
A
:
FTP
B
:
SFTP
C
:
HTTP
D
:
SMTP
12 : Which device is used to connect multiple devices within a LAN and direct data only to the intended recipient?
A
:
Hub
B
:
Switch
C
:
Router
D
:
Repeater
13 : Which IP address class supports up to 16 million hosts?
A
:
Class A
B
:
Class B
C
:
Class C
D
:
Class D
14 : What is the common cable in bus topology called?
A
:
Backbone
B
:
Trunk
C
:
Spine
D
:
Mainline
15 : In ring topology, data transmission can be:
A
:
Unidirectional
B
:
Bidirectional
C
:
Multidirectional
D
:
Omnidirectional
16 : What does DHCP stand for?
A
:
Dynamic Host Configuration Protocol
B
:
Data Hosting Computer Protocol
C
:
Dynamic Host Computer Protocol
D
:
Digital Hardware Control Protocol
17 : Which topology uses a single common cable with two endpoints?
A
:
Ring
B
:
Bus
C
:
Star
D
:
Mesh
18 : How many types of IP addresses are there?
A
:
2
B
:
3
C
:
4
D
:
5
19 : How many layers does the TCP/IP protocol stack have?
A
:
2
B
:
7
C
:
5
D
:
4
20 : How many bits make up an IPv4 address?
A
:
31
B
:
29
C
:
32
D
:
30
21 : Which OSI layer is responsible for end-to-end communication and error handling?
A
:
Network Layer
B
:
Transport Layer
C
:
Data Link Layer
D
:
Application Layer
22 : What is the geometric representation of device relationships in a network called?
A
:
Ring
B
:
Topology
C
:
Star
D
:
Machine
23 : Which device connects two or more networks and routes data between them?
A
:
Switch
B
:
Router
C
:
Bridge
D
:
Modem
24 : Which protocol is used for email transmission?
A
:
SMTP
B
:
SNMP
C
:
FTP
D
:
DNS
25 : Which protocol automatically assigns IP addresses to devices?
A
:
DNS
B
:
ARP
C
:
DHCP
D
:
TCP
26 : Which network topology connects all devices to a single central hub?
A
:
Mesh
B
:
Star
C
:
Bus
D
:
Ring
27 : How many components are in the communication process?
A
:
5
B
:
6
C
:
7
D
:
8
28 : In which topology do devices connect in a circular fashion?
A
:
Ring
B
:
Star
C
:
Bus
D
:
Mesh
29 : What is the value range for each IPv4 group?
A
:
0-255
B
:
1-256
C
:
0-127
D
:
1-128
30 : IPv4 addresses are divided into how many groups?
A
:
2
B
:
4
C
:
6
D
:
8
31 : Which OSI layer handles physical cabling?
A
:
Physical Layer
B
:
Data Link Layer
C
:
Network Layer
D
:
Transport Layer
32 : How many bits are in an IPv6 address?
A
:
128
B
:
64
C
:
256
D
:
32
33 : Which protocol converts domain names into IP addresses?
A
:
DHCP
B
:
DNS
C
:
IP
D
:
ARP
34 : Which protocol transfers files over a network?
A
:
HTML
B
:
FTP
C
:
HTTP
D
:
ALP
35 : Which network spans large geographic areas like countries?
A
:
LAN
B
:
MAN
C
:
WAN
D
:
PAN
36 : IPv6 addresses are separated by:
A
:
Periods (.)
B
:
Colons (:)
C
:
Semicolons (;)
D
:
Dashes (-)
Computer 9th MCQs || Ilam Ghar
Computer 9th
Chapter 6 : Introduction to computer network
