# CompTIA Network+ Certification (N10-003) Part 1

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30 CompTIA Network+ Exam questions covering topology.

• 1.

### A network is based on a star topology.  What will happen when a SINGLE connection to one of the network hosts fails?

• A.

The whole network will be down and none of the hosts will have network connectivity

• B.

The failed connection will be down and only its hosts will have no network connectivity

• C.

All hosts will still be connected to the network and only failed connection will be down

• D.

The failed connection will be down and only the two hosts between the failed connection will have no network connectivity

B. The failed connection will be down and only its hosts will have no network connectivity
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.

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• 2.

### What will happen when a SINGLE connection to one of the network hosts in a full mesh network fails?

• A.

The whole network will be down and none of the hosts will have network connectivity

• B.

The failed connection will be down and only its hosts will have no network connectivity

• C.

The failed connection will be down but all hosts will still be connected to the network

• D.

The failed connection will be down and only the two hosts between the failed connection will have no network conectivity

C. The failed connection will be down but all hosts will still be connected to the network
Explanation
In a full mesh network, each node has a connection to at least two other nodes. Thus, should one connection fail, it will have no effect on communications as all nodes will be connected to at least one other node.

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• 3.

### A single connection in a token bus network fails.  What will happen?

• A.

The whole network will be down and none of the hosts will have network connectivity

• B.

The failed connection will be down and only its hosts will have no network connectivity

• C.

All hosts will still be connected to the network and only failed connection will be down

• D.

The failed connection will be down and only the two hosts between the failed connection will have no network connectivity

A. The whole network will be down and none of the hosts will have network connectivity
Explanation
In a bus topology there is no fault tolerance and a single fault in the bus will bring down the whole network.

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• 4.

### You are working with a token ring network.  A connection to one of the hosts on the network fails.  What will be the result?

• A.

The whole network will be down and none of the hosts will have network connectivity

• B.

The failed connection will be down and only its hosts will have no network connectivity

• C.

The failed connection will be down but all hosts will still be connected to the network

• D.

The failed connection will be down and only the two hosts between the failed connection will have no network connectivity

A. The whole network will be down and none of the hosts will have network connectivity
Explanation
In a ring topology there is no fault tolerance and a single fault in the ring will bring down the whole network.

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• 5.

### Which network topology would require the MOST cable?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

D. Full-mesh
Explanation
In the mesh topology, each node is connected to at least two 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.

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• 6.

### Which of the following network topologies would require the LEAST cable?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

C. Bus
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 the least amount of cabling.

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• 7.

### You need to implement a network that has the MOST physical connections per host.  Which network topology would you use?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Mesh

D. Mesh
Explanation
In the mesh topology, each host is connected to at least two other hosts. This requires more connections per host than any other network topology.

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• 8.

### Which network topology has the LEAST physical connections per host?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

A. Star
Explanation
In the star topology, each host is connected to a central hub or switch by one physical connection. This requires the least connections per host of any of the network topologies.

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• 9.

### Which network topology is the EASIEST to implement?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

C. Bus
Explanation
The bus topology consists of a single continuous cable that is terminated at each end. All hosts are attached to the cable by means of drop cables. This is the simplest way to create a physical network.

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• 10.

### Which of the following physical network topologies is completely fault tolerant?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

D. Full-mesh
Explanation
In a full mesh network, each node has a connection to at least 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.

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• 11.

### Which physical network topology is the LEAST fault tolerant? (choose all that apply)

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

B. Ring
C. Bus
Explanation
In a bus or a ring topology there is no fault tolerance and a single fault in the ring or bus will bring down the whole network.

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• 12.

### You work as a network technician on a network the uses a hub.  On which physical network topology is the network based?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

A. Star
Explanation
In the star topology each computer is connected to a central hub or switch by one cable or wireless connection

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• 13.

### In which of the following physical network topologies are terminators required?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

C. Bus
Explanation
The bus topology is similar to the ring topology, except that the cable does not form a complete loop. Instead, it is terminated at each end.

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• 14.

### Which physical network topology is shown in this exhibit?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

A. Star
Explanation
In the star topology each computer is connected to a central hub or switch by one cable or wireless connection.

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• 15.

### Which physical network topology is shown in this exhibit?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

B. Ring
Explanation
The ring topology consists of a closed loop in which each host is connected to the node ahead of it and the node behind it in the loop.

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• 16.

### Which physical network topology is shown in this exhibit?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

D. Full-mesh
Explanation
In the full-mesh topology, each host is connected to at least two other hosts.

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• 17.

### Which physical network topology is shown in this exhibit?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

C. Bus
Explanation
In the bus topology each host is connected to a single cable by means of a drop cable. The cable is terminated at each end.

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• 18.

### You need to implement a new network using as little cable as possible.  Which network topology would you implement?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

C. Bus
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 the least amount of cabling.

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• 19.

### You need to implement a new network that will remain fully operational when a single link fails.  Which network topology would you implement?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

D. Full-mesh
Explanation
In a full mesh network, each node has a connection to at least two 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.

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• 20.

### Which of the following statements regarding the various network topologies is FALSE?

• A.

In a star topology each host is connected to a central device. Thus each host has a dedicated link to the central device and a break in the link between a host and the central device will affect only the host

• B.

In the bus topology there is no fault tolerance and a single fault in the bus will bring down the whole network

• C.

The ring topology is similar to the bus topology, except that the ring requires terminators

• D.

In a full mesh network, each node has a connection to at least two other nodes. Thus, should one connection fail, it will have no effect on network communication

C. The ring topology is similar to the bus topology, except that the ring requires terminators
Explanation
The ring topology is similar to the bus topology, however, in the ring topology, the cable forms a complete loop and does not require terminators. The bus topology requires terminators at each end of the cable.

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• 21.

### Which network toplogy has at least two physical connections per host?

• A.

Star

• B.

Ring

• C.

Bus

• D.

Partial-mesh

D. Partial-mesh
Explanation
In the partial-mesh topology, each host is connected to at least two other hosts. This requires more connections per host than any other network topology.

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• 22.

### Which of the following statements regarding the star topology is FALSE?

• A.

A break in the cable will affect only one host

• B.

A single failure can bring down the entire network

• C.

New hosts can be added quickly and easily

• D.

It is the most common topology used on the Internet

D. It is the most common topology used on the Internet
Explanation
In the star topology, each host is connected to a central device which means that the network has a single point of failure. However, in the mesh topology, each host is connected to at least two other hosts, which makes it fault tolerant. For this reason it is the most common topology in use on the Internet.

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• 23.

### Which of the following could be used in a token ring network?

• A.

Hub

• B.

Switch

• C.

Router

• D.

Multistation Access Unit (MSAU)

D. Multistation Access Unit (MSAU)
Explanation
A multistation access unit (MSAU) is used to interconnect multiple token ring networks.

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• 24.

### Which of the following could be used in a token bus network?

• A.

Hub

• B.

Terminators

• C.

Router

• D.

Multistation Access Unit (MSAU)

B. Terminators
Explanation
The bus topology is similar to the ring topology, except that the cable does not form a complete loop, but is terminated with terminators at each end.

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• 25.

### Which of the following could be used in the star topology?

• A.

Hub

• B.

Terminators

• C.

Router

• D.

Multistation Access Unit (MSAU)

A. Hub
Explanation
A hub or switch is the central device in a star topology to which each host is connected.

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• 26.

### To which of the following could new nodes be added easily and quickly? (choose all that apply)

• A.

Star

• B.

Ring

• C.

Bus

• D.

Mesh

A. Star
D. Mesh
Explanation
New nodes can be added easily and quickly to star and mesh networks.

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• 27.

### Which of the following network would collapse should a single node on the network fail? (choose all that apply)

• A.

Ethernet

• B.

Token Bus

• C.

Token Ring

• D.

Mesh

B. Token Bus
C. Token Ring
Explanation
In a bus or a ring topology there is no fault tolerance and a single failure in the ring or bus will bring down the entire network.

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• 28.

### Which of the following statements regarding mesh networks is FALSE?

• A.

It has at least two physical connections per host

• B.

A single failed connection will affect only that host

• C.

New hosts can be added quickly and easily

• D.

It is the most common toplogy used on the Internet

B. A single failed connection will affect only that host
Explanation
In the mesh topology, each host is connected to at least two other hosts, which means that the network has redundant connections and no point of failure. For this reason it is the most common topology in use on the Internet.

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• 29.

### In which physical network topology would a Multistation Access Unit (MSAU) be used? (choose all that apply)

• A.

Star

• B.

Ring

• C.

Bus

• D.

Full-mesh

B. Ring
Explanation
The ring topology consists of a closed loop in which each host is connected to the node ahead of it and the node behind it in the loop. A Multistation Access Unit (MSAU) can be used to interconnect multiple ring networks.

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• 30.

### You're working on a network that has a total of five hosts.  If you were to implement a full-mesh network, how many physical connections will each host have?

• A.

1

• B.

2

• C.

4

• D.

5

• E.

10

C. 4
Explanation
In a full-mesh network, each host is connected to every other host. Thus, in a network of five hosts, each host will have four physical connections.

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• Current Version
• Mar 21, 2023
Quiz Edited by
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• Aug 07, 2010
Quiz Created by
Nevermore42

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