Network Fundamentals exam 2 answers

Network Fundamentals exam 2 answers

Network Fundamentals Chapter 2 Exam Answers

1. Which two layers of the OSI model have the same functions as the TCP/IP model Network Access Layer? (Choose two.)

Network

Transport

Physical**

Data Link**

Session

2. What is a primary function of the trailer information added by the data link layer encapsulation?

supports error detection**

ensures ordered arrival of data CCNA Exploration 4.0, CCNA Network Fundamentals: Chapter 2 toets antwoorden /

provides delivery to correct destination

identifies the devices on the local network

assists intermediary devices with processing and path selection

3. During the encapsulation process, what occurs at the data link layer?

No address is added.

The logical address is added.

The physical address is added.**

The process port number is added.

4. What device is considered an intermediary device?

file server

IP phone

laptop

printer

switch**

5. Which layer encapsulates the segment into packets?

physical

data link

network**

transport

6. Which statements correctly identify the role of intermediary devices in the network? (Choose three.)

determine pathways for data**

initiate data communications

retime and retransmit data signals**

originate the flow of data

manage data flows**

final termination point for data flow

7. What can be identified by examining the network layer header?

the destination device on the local media

the path to use to reach the destination host**

the bits that will be transferred over the media

the source application or process creating the data

8. What is the proper order of the layers of the OSI model from the highest layer to the lowest layer?

physical, network, application, data link, presentation, session, transport

application, physical, session, transport, network, data link, presentation

application, presentation, physical, session, data link, transport, network

application, presentation, session, transport, network, data link, physical**

presentation, data link, session, transport, network, physical, application

9.

Refer to the exhibit. Which three labels correctly identify the network types for the network segments that are shown? (Choose three.)

Network A -- WAN

Network B -- WAN**

Network C -- LAN**

Network B -- MAN

Network C -- WAN

Network A -- LAN**

10. What are the key functions of encapsulation? (Choose three.)

allows modification of the original data before transmission

identifies pieces of data as part of the same communication**

enables consistent network paths for communication

ensures that data pieces can be directed to the correct receiving end device**

enables the reassembly of complete messages**

tracks delay between end devices

11.

Refer to the exhibit. Which networking term describes the data interleaving process represented in the graphic?

piping

PDU

streaming

**multiplexing

encapsulation

12. What is a PDU?

corruption of a frame during transmission

data reassembled at the destination

retransmitted packets due to lost communication

**a layer specific encapsulation

13.

Refer to the exhibit. "Cell A" at IP address 10.0.0.34 has established an IP session with "IP Phone 1" at IP address 172.16.1.103. Based upon the graphic, which device type best describes the function of wireless device "Cell A?"

the destination device

**an