CCNA 1 Introduction to Networks Chapter 4 Quiz
Which two factors influence the method that is used for media access control?
*How the connection between nodes appears to the data link layer. *How nodes share the media.
Which two statements are true of the deterministic access method?
*The throughput is predictable. *Devices take turns transmitting.
What is the correct color order of wire when terminating a cable by the T568B standard?
1-White/Orange 2-Orange 3-White/Green 4-Blue 5-White/Blue 6-Green 7-White/Brown 8-Brown
Match each type of frame field to its function.
Addressing > This field helps to direct the frame toward its destination. Error Detecting > This field checks if the frame has been damaged during the transfer. Type > This field is used by the LLC to identify the Layer 3 protocol. Frame Start > This field identifies the beginning of the frame.
An administrator measured the transfer of usable data across a 100 Mb/s physical channel over a given period of time and obtained 60 Mb/s. Which kind of measurement did the administrator obtain?
Goodput.
Which two engineering organizations define open standards and protocols that apply to the data link layer?
International Organization for Standardization (ISO) and International Telecommunications Union (ITU).
In fiber optic media, the signals are represented as patterns of " ".
Light.
T568A 1-White/Green 2-Green 3-White/Orange 4-Blue 5-White/Blue 6-Orange 7-White/Brown 8-Brown
Straight Through
What is a characteristic of a WAN hub-and-spoke topology?
The branch sites are connected to a central site through point-to-point links.
Which statement describes a characteristics of the frame header fields of the data link layer?
They vary depending on protocols.
What is the purpose of the physical link control field in a data link layer header?
To establish the media link.
Which is a function of the Logical Link Control (LLC) sublayer?
To identify which network layer protocol is being used.
When is a wired connection preferred to a wireless connection by an end-user device?
When the end-user device will run an application that requires a dedicated connection to the network.
