Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 23
Q781:
The primary device used to interconnect different physical networks is called a
A. Router
B. Hub
C. Bridge
D. Switch
Correct Answer:
A
Chapter: 23
Q782:
TCP/IP Layer 3 is responsible for
A. Packet forwarding
B. Data encryption
C. Data compression
D. Data link control
Correct Answer:
A
Chapter: 23
Q783:
In TCP/IP model, the application layer corresponds to which layers of the OSI model?
A. 5, 6, and 7
B. 1, 2, and 3
C. 2, 3, and 4
D. 3, 4, and 5
Correct Answer:
A
Chapter: 23
Q784:
An organization with multiple networks needs internetworking to
A. Allow communication between different networks
B. Increase bandwidth
C. Improve encryption
D. Reduce hardware cost
Correct Answer:
A
Chapter: 23
Q785:
The physical addressing incompatibility is a challenge in building
A. a bridged network
B. universal service
C. redundant network
D. virtual network
Correct Answer:
A
Chapter: 23
Q786:
Internetworking helps to overcome network
A. Physical incompatibilities
B. Protocol differences
C. Addressing scheme differences
D. All of the above
Correct Answer:
D
Chapter: 23
Q787:
The figure showing three routers connecting four networks in series illustrates
A. an example of internet topology
B. single network design
C. standalone LAN
D. loopback network
Correct Answer:
A
Chapter: 23
Q788:
Which of the following is NOT a reason to use multiple routers in an organization?
A. Router processor limits
B. Redundancy
C. Simplification
D. Reliability
Correct Answer:
C
Chapter: 23
Q789:
TCP/IP layering model differs from OSI model by
A. Combining layers
B. Using more layers
C. Using less protocols
D. Excluding hardware
Correct Answer:
A
Chapter: 24
Q790:
What is assigned to each host to provide uniform addressing in the Internet?
A. IP address
B. MAC address
C. Domain name
D. Port number
Correct Answer:
A
Chapter: 24
Q791:
An IP address is a unique ______-bit binary number assigned to a host.
A. 16
B. 32
C. 64
D. 128
Correct Answer:
B
Chapter: 24
Q792:
Each packet sent across an Internet contains the IP address of the ______ and the ______.
A. Sender and receiver
B. Source and destination
C. Host and gateway
D. Router and client
Correct Answer:
B
Chapter: 24
Q793:
The two parts of an IP address are called ______ and ______.
A. Prefix and suffix
B. Subnet and gateway
C. Network and domain
D. Host and network
Correct Answer:
A
Chapter: 24
Q794:
The prefix part of an IP address identifies the ______.
A. Host computer
B. Physical network
C. Internet provider
D. Subnet mask
Correct Answer:
B
Chapter: 24
Q795:
The suffix part of an IP address identifies the ______.
A. Network number
B. Individual computer on the network
C. Subnet mask
D. Domain name
Correct Answer:
B
Chapter: 24
Q796:
Can the same suffix value be used on multiple networks?
A. Yes
B. No
C. Only in class A
D. Only in class C
Correct Answer:
A
Chapter: 24
Q797:
Which principle does the IP address hierarchy guarantee?
A. Unique network numbers for all networks
B. Unique address for each computer
C. Same suffix globally
D. Identical IP for all devices
Correct Answer:
B
Chapter: 24
Q798:
Suffixes in IP addressing can be assigned ______.
A. Globally
B. Locally
C. Randomly
D. By routers
Correct Answer:
B
Chapter: 24
Q799:
What must be coordinated globally according to IP addressing hierarchy?
A. Network number assignment
B. Suffix assignment
C. Host number assignment
D. Subnet assignment
Correct Answer:
A
Chapter: 24
Q800:
The original IP address scheme divides host addresses into how many primary classes?
A. 2
B. 3
C. 4
D. 5
Correct Answer:
B