Net+ Practice Test 1

Which of the following terms refers to the OSI Network Layer?

Layer 3

What type of equipment resides at Layer 1 of the OSI model?

Hub, Network cabling, Repeater

Examples of common protocols that reside at the OSI Transport layer Include:

UDP, TCP

Which of the answers listed below refers to a unique, 48-bit identifier also known as physical network address?

MAC

Which of the following devices reside(s) at the Data Link Layer of the OSI model?

Bridge, Switch, Network adapter

The term “Presentation Layer” is used in reference to

Layer 6 of the OSI model

In the OSI model, the protocol data unit at the Physical Layer is known as

Bit

Which OSI layer assumes the responsibility for opening, closing, and maintaining connections between applications?

Session Layer

Which of the devices listed below is often referred to as a multilayer switch?

Router

Which of the following protocols reside at the Application Layer of the OSI model?

HTTP, FTP, SMTP

In the OSI model, the Data Link Layer is also known as

Layer 2

Which of the answers listed below refer to common network protocols that reside at Layer 3 of the OSI model

ICMP, IP

In the OSI model, the Layer 4 UDP protocol data unit is called

Datagram

Layer 2 of the OSI model is also referred to as

Data Link Layer

Data format translation, data compression, and data encryption/decryption take place at the

Presentation Layer

Which of the following answers refers to Layer 1 of the OSI model

Physical Layer

The term ‘Application Layer’ is used in reference to

Layer 7

In the OSI reference model, a NIC resides at the:

Data Link Layer

Which of the OSI layers listed below is also known as the Session Layer?

Layer 5

Which of the following devices resides at the Network Layer of the OSI model?

Router

In the OSI model, the Layer 2 protocol data unit is known as:

Frame

Which OSI layer enables direct interaction between the end-user and the network?

Layer 7

In the OSI model, the Network Layer protocol data unit is called:

Packet

Which of the answers listed below refers to a common OSI Layer 2 protocol

ARP

Which of the following answers refers to Layer 6 of the OSI model

Presentation Layer