CNIT 176 Exam I Questions with Verified Answers

CNIT 176 Exam I Questions with Verified Answers
A NIC implements which OSI Network Reference Model layer(s)?

Physical Layer

HTTP implements which layer at the OSI model?

Application

The IP protocol implements which OSI Network Reference Model layer(s)?

Network Layer

The network used today that is the combination of DARPAnet and NSFnet is called :

Internet

The physical cabling is defined in which later of the OSI model?
A. Application Layer
B. Transport Layer
C. Data Link Layer
D. Physical Layer
E. None of the Above

None of the above

The process of placing one layer's protocol data unit in the payload of a lower layer protocol
is ________

Encapsulation

The protocol data unit used at the Data Link Layer is a:

Frame

The protocol data unit used at the Network Layer is a:

Packet

, The web browser is defined in which layer of the OSI model?
A. Application Layer
B. Transport Layer
C. Data Link Layer
D. Physical Layer
E. None of the Above

None of the Above

To be considered reliable a protocol must implement which of the following functions?
A. Error Detection
B. Error Correction
C. Flow Control
D. A & B
E. All of the Above

All of the above

What is currently the most widely use internetwork layer addressing protocol on the
internet?

IPv4

Which of the following best describes the current architecture of emerging enterprise
networks?

Cloud Computing

Which of the following devices copies all incoming frame to every other interface for
forwarding?

Hub

Which of the following of the following devices in needed to connect a LAN to another LAN?

Router