Deck 2: Network Topology

Question 1

A ____ network uses a single shared common communication media that all nodes tap into.

A)ring
B)star
C)bus
D)string

Answer 1

C

Question 2

The network cloud may comprise only the network found in a small laboratory,or it may represent an entire wide area network (WAN)such as the Internet.

Answer 2

True

Question 3

In a bus network,if two or more nodes transmit data at the same time,a ____ occurs.

A)collision
B)compression
C)collusion
D)contention

Answer 3

A

Question 4

In a star network,all nodes connect to a central communications ____________________.

Question 5

A(n)____________________ network is owned and managed by a private organization or company and may have a much larger bandwidth capability than a public network.

Question 6

A(n)____ is a 32-bit number used to locate and identify nodes on the Internet.

A)MAC address
B)TCP address
C)Ethernet address
D)IP address

Question 7

When a large amount of data must be sent between machines on a network,it is possible to set up a ____ between the machines.

A)permanent circuit
B)virtual circuit
C)virtual interface
D)physical interface

Question 8

A ____ uses public network connections to establish private communication by encrypting the data transmitted between the two computers at each end of the connection.

A)NPV
B)VN
C)PVN
D)VPN

Question 9

____________________ is a logical,not physical,activity and is accomplished using a special subnet mask,such as 255.255.255.192.

Question 10

Companies that connect to a NAP enter into ____ agreements with each other that allow them to exchange traffic.

A)posting
B)partner
C)peering
D)polling

Question 11

A(n)____________________ circuit is a prearranged path through the network that all packets will travel for a particular session between machines.

Question 12

With certain types of network communications,it is possible that duplicate packets of data are generated if an acknowledgement is not received by the source computer.

Question 13

In terms of security and reliability,we must concern ourselves with what is required to ____________________ our network.

Question 14

The connections for the ____ of a network may be provided through dedicated phone lines,twisted pair cable,fiber optic cable line-of-sight microwave RF,ATM,or other form of electronic connection.

A)physical topology
B)virtual topology
C)physical infrastructure
D)virtual interconnection

Question 15

A ____ is a portion of a network.

A)subnet
B)subunit
C)slice
D)subdivision

Question 16

A network that can be partitioned is secure and reliable.

Question 17

In a fully connected network,the number of connections at each node equals the total number of nodes plus one.

Question 18

Token-ring networks,although logically viewed as rings,are connected using central ____.

A)media access units
B)multistation access units
C)station access units
D)access units

Question 19

Seven fully connected nodes require ____ links.

A)14
B)21
C)28
D)35

Question 20

Even if the encrypted traffic is intercepted,chances are very small that the contents can be decrypted if a suitably strong encryption method and key are used.

Question 21

Discuss the difference between a hub and a switch.

Question 22

MATCHING
Match each item with the correct statement below.
a.Tunnels
d.NAPs
b.Topology
e.Cloud
c.Logical topology
Concerns the structure of the connections between the computers in a network

Question 23

MATCHING
Match each item with the correct statement below.
a.Tunnels
d.NAPs
b.Topology
e.Cloud
c.Logical topology
A graphical symbol used to describe a network without specifying the nature of the connections

Question 24

MATCHING
Match each item with the correct statement below.
a.Tunnels
d.NAPs
b.Topology
e.Cloud
c.Logical topology
Has to do with the path a packet of data takes through the network

Question 25

Discuss subnetting.

Question 26

MATCHING
Match each item with the correct statement below.
a.Tunnels
d.NAPs
b.Topology
e.Cloud
c.Logical topology
Provide access to national and global network traffic

Question 27

Describe a mesh network.

Question 28

MATCHING
Match each item with the correct statement below.
a.Tunnels
d.NAPs
b.Topology
e.Cloud
c.Logical topology
Logical connections between the nodes of the VPN

Question 29

Describe a hybrid network.

Question 30

Describe a private network.