Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 7
Q241:
In star topology, all computers are attached to a central point called ________.
A. Switch
B. Router
C. Hub
D. Bridge
Correct Answer:
C
Chapter: 7
Q242:
Star networks are ________ like stars.
A. physically
B. logically
C. virtually
D. visibly
Correct Answer:
B
Chapter: 7
Q243:
In ring topology, computers are connected in a ________.
A. tree
B. loop
C. grid
D. row
Correct Answer:
B
Chapter: 7
Q244:
In a ring network, data passes from one computer to the ________.
A. main server
B. next computer
C. switch
D. device
Correct Answer:
B
Chapter: 7
Q245:
Ring networks are also ________ ring and not physically.
A. logically
B. fully
C. technically
D. none of these
Correct Answer:
A
Chapter: 7
Q246:
Bus topology connects all computers to a ________.
A. router
B. long cable
C. switch
D. wireless hub
Correct Answer:
B
Chapter: 7
Q247:
Bus topology requires ________ to decide who uses the line.
A. ISP
B. coordination
C. router
D. admin
Correct Answer:
B
Chapter: 7
Q248:
Which topology disables the entire network if a cable is cut?
A. Ring
B. Star
C. Bus
D. Mesh
Correct Answer:
A
Chapter: 7
Q249:
In which topology only one computer is affected if a cable is cut?
A. Bus
B. Ring
C. Star
D. Tree
Correct Answer:
C
Chapter: 7
Q250:
Which topology requires fewer wires than star?
A. Star
B. Ring
C. Bus
D. Mesh
Correct Answer:
C
Chapter: 7
Q251:
Ethernet is an example of ________ topology.
A. Ring
B. Star
C. Bus
D. Tree
Correct Answer:
C
Chapter: 7
Q252:
Ethernet was invented at ________ in the 1970s.
A. IBM
B. Microsoft
C. Xerox PARC
D. Intel
Correct Answer:
C
Chapter: 7
Q253:
DIX Ethernet standard was defined by ________.
A. IBM, HP, Cisco
B. Xerox, Intel, Digital
C. IEEE, Microsoft, Intel
D. Apple, Sun, Oracle
Correct Answer:
B
Chapter: 7
Q254:
IEEE 802.3 standard defines Ethernet ________.
A. security and firewall
B. format, voltages, cable length
C. data mining
D. IP assignment
Correct Answer:
B
Chapter: 7
Q255:
An Ethernet segment is limited to ________ meters.
A. 100
B. 250
C. 500
D. 1000
Correct Answer:
C
Chapter: 7
Q256:
Minimum separation between Ethernet connections is ________.
A. 1 meter
B. 2 meters
C. 3 meters
D. 4 meters
Correct Answer:
C
Chapter: 7
Q257:
Original Ethernet speed was ________.
A. 1 Mbps
B. 3 Mbps
C. 10 Mbps
D. 100 Mbps
Correct Answer:
B
Chapter: 7
Q258:
Fast Ethernet operates at ________.
A. 3 Mbps
B. 10 Mbps
C. 100 Mbps
D. 1 Gbps
Correct Answer:
C
Chapter: 7
Q259:
Gigabit Ethernet operates at speeds up to ________.
A. 10 Mbps
B. 100 Mbps
C. 1 Gbps
D. 2 Gbps
Correct Answer:
C
Chapter: 7
Q260:
Which encoding is used in Ethernet?
A. NPCM
B. Binary
C. Manchester
D. ASCII
Correct Answer:
C