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Network+ Certification Exam: n10-003 Exam
Exam Number/Code: n10-003
Exam Name: Network+ Certification Exam
“Network+ Certification Exam”, also known as n10-003 exam, is a comptia certification.
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Question: 1
If one of the links to a computer on a physical star topology is served, what will be the result?
A. The entire network will stop working.
B. The affected link and the adjacent network links will stop working.
C. Only the affected link will stop working.
D. Only the adjacent links will stop working.
Answer: C
Explanation:
In the star topology each computer is connected to a central point by a separate cable or wireless
connection. Thus each computer has a dedicated link to the network central device and a break
in the link between a particular computer and the central network device will affect only that
computer.
References:
David Groth and Toby Skandier, Network+ Study Guide (4th Edition), Sybex, Alameda CA, 2005,
pp. 10-16.
Question: 2
When one connection to a host fails in a full mesh network, which of the following is true?
A. All hosts can communicate
B. No hosts can communicate
C. Half of the host will lose communication
D. Only the two hosts between the failed connection will lose communication
Answer: A
Explanation:
In a full mesh network, each node has a connection to at two other nodes. Thus, should one
connection fail, it will have no effect on communication as all nodes will be connected to at least
one other node.
References:
David Groth and Toby Skandier, Network+ Study Guide (4th Edition), Sybex, Alameda CA, 2005,
pp. 14-15.
Question: 3
Which of the following network topologies uses the most cable?
A. Star
B. Ring
C. Bus
D. Mesh
Answer: D
Explanation:
In the mesh topology, each node is connected to at least three other nodes. This requires more
cabling than in the ring or bus topology, in which each node is connected to only two other nodes,
or the star topology, in which each node is connected to a central hub or switch.
Incorrect Answers:
A: In the star topology, each node is connected to a central hub or switch. This requires less
cabling than in the mesh topology, in which each node is connected to at least three other nodes.
B: In the ring topology consists of a closed loop in which each node is connected to the node
ahead of it and the node behind it in the loop. This requires less cabling than in the mesh
topology, in which each node is connected to at least three other nodes.
C: The bus topology is similar to the ring topology, except that the cable does not form a
complete loop, but is terminated at each end. Each node, except the nodes at the end points, is
connected to the node ahead of it and the node behind it along the cable. This requires less
cabling than in the mesh topology, in which each node is connected to at least three other nodes.
References:
David Groth and Toby Skandier, Network+ Study Guide (4th Edition), Sybex, Alameda CA, 2005,
pp. 51-54.
Question: 4
Which of the following network topologies uses the least cable?
A. Star
B. Ring
C. Bus
D. Mesh
Answer: C
Explanation:
The bus topology consists of a single cable that connects the network nodes. Both ends of the
cable are terminated just after the last node. Each node, except the nodes at the end points, is
connected to the node ahead of it and the node behind it along the cable. This requires least
amount of cabling.
Incorrect Answers:
A: In the star topology, each node is connected to a central hub or switch. This requires more
cabling than in the bus topology, in which the nodes are connected on a single trunk cable that is
terminated just after the last nodes at either end.
B: In the ring topology consists of a closed loop in which each node is connected to the node
ahead of it and the node behind it in the loop. This requires more cabling than in the bus
topology, in which the nodes are connected on a single trunk cable that is terminated just after
the last nodes at either end and does not need to connect the ends together to form a loop.
C: In the mesh topology, each node is connected to at least three other nodes. This requires
more cabling than in the ring or bus topology, in which each node is connected to only two other
nodes, or the star topology, in which each node is connected to a central hub or switch.
References:
David Groth and Toby Skandier, Network+ Study Guide (4th Edition), Sybex, Alameda CA, 2005,
pp. 51-54.
Question: 5
Which of the following networking topology requires the MOST physical connections per node?
A. Bus
B. Ring
C. Star
D. Mesh
Answer: D
Explanation:
In the mesh topology, each node is connected to at least three other nodes. This requires more
connections per node than in the ring or bus topology, in which each node is connected to only
two other nodes, or the star topology, in which each node is connected to a central hub or switch.
Incorrect Answers:
A: In the star topology, each node is connected to a central hub or switch. This requires fewer
connections per node than in the mesh topology, in which each node is connected to at least
three other nodes.
B: In the ring topology consists of a closed loop in which each node is connected to the node
ahead of it and the node behind it in the loop. This requires fewer connections per node than in
the mesh topology, in which each node is connected to at least three other nodes.
C: The bus topology is similar to the ring topology, except that the cable does not form a
complete loop, but is terminated at each end. Each node, except the nodes at the end points, is
connected to the node ahead of it and the node behind it along the cable. This requires fewer
connections per node than in the mesh topology, in which each node is connected to at least
three other nodes.
References:
David Groth and Toby Skandier, Network+ Study Guide (4th Edition), Sybex, Alameda CA, 2005,
pp. 51-54.
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