( )data streams
2 Which of the following are factors that determine throughput? (Choose two.)
( )types of passwords used on servers
( )type of Layer 3 protocol used
( )network topology
( )width of the network cable
( )number of users on the network
3 What is one advantage of defining network communication by the seven layers of the OSI model?
( )It increases the bandwidth of a network.
( )It makes networking easier to learn and understand.
( )It eliminates many protocol restrictions.
( )It increases the throughput of a network.
( )It reduces the need for testing network connectivity.
4 Refer to the following list. Choose the correct order of data encapsulation when a device sends information.
( )1 - 3 - 5 - 4 - 2
( )2 - 1 - 3 - 5 - 4
( )2 - 4 - 3 - 5 - 1
( )4 - 3 - 1 - 2 - 5
( )4 - 1 - 3 - 5 - 2
( )3 - 5 - 1 - 2 - 4
5 What makes it easier for different networking vendors to design software and hardware that will interoperate?
( )OSI model
( )proprietary designs
( )IP addressing scheme
( )standard logical topologies
( )standard physical topologies
6 Which layer of the OSI model provides network services to processes in electronic mail and file transfer programs?
( )data link
7 Which layer of the OSI model provides connectivity and path selection between two end systems where routing occurs?
( )physical layer
( )data link layer
( )network layer
( )transport layer
8 A switch has failed in the network. As a result, only one segment of the network is down. Which type of physical network topology is implemented?
( )extended star