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CCNA 1 - Chapter 3 (Part 1)
on 17 Dec 13, enabled by
(66% of success)
23 questions - 627 players
Chapter 3 (Part 1)
What is a benefit of using a layed model for network communications?
Fostering competition among device and software vendors by enforcing the compatibility of their products
Simplifying protocol development by limiting every layer to one function
Avoiding possible incompatibility issues by using a common set of developing tools
A user is viewing an HTML document located on a web server. What protocol segments the messages and manages the segments in the individual conversation between the web server and the web client?
What is the general term that is used to describe a piece of data at any layer of a networking model?
Protocol data unit
A computer in a given network is communicating with a specific group of computers. What type of communication is this?
Which address provides a unique host address for data communications at the internet layer?
Layer 2 address
Which address does a NIC use when deciding whether to accept a frame?
Source Ethernet address
Destination MAC address
Source IP address
Which statement is true about the TCP/IP and OSI models?
The TCP/IP transport layer and OSI Layer 4 provide similar services and functions.
The first three OSI layers describe general services that are also provided by the TCP/IP internet layer
The OSI Layer 7 and the TCP/IP application layer provide identical functions
Which protocol is responsible for controlling the size and rate of the HTTP messages exchanged between server and client?
Which statement accurately describes a TCP/IP encapsulation process when a PC is sending data to the network?
Segments are sent from the transport layer to the internet layer
Frames are sent from the network access layer to the internet layer
Data is sent from the internet layer to the network access layer
Which PDU format is used when bits are received from the network medium by the NIC of a host?
Which IEEE standard enables a wireless NIC to connect to a wireless AP that is made by a different manufacturer?
What are proprietary protocols?
A collection of protocols known as the TCP/IP protocol suite
Protocols developed by organizations who have control over their definition and operation
Protocols developed by private organizations to operate on any vendor hardware
A user sends an HTTP request to a web server on a remote network. During encapsulation for this request, what information is added to the address field of a frame to indicate the destination?
The MAC address of the destination host
The IP address of the default gateway
The MAC address of the default gateway
If the default gateway is configured incorrectly on the host, what is the impact on communications?
The host is unable to communicate on the local network.
There is no impact on communications.
The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.
At which layer of the OSI model would a logical address be encapsulated?
Data link layer
This organization is responsible for overseeing and managing IP address allocation, domain name management, and protocol identifiers.
This organization is the largest developer of international standards in the world for a wide variety of products and services. It is known for its Open Systems Interconnection (OSI) reference model.
This organization promotes the open development, evolution and use of the Internet throughout the world.
What is a function of Layer 4 of the OSI model?
To represent data to the user, including encoding and dialog control
To specify the packet type to be used by the communication
To describe the ordered and reliable delivery of data between source and destination
A web client is sending a request for a webpage to a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to prepare the request for transmission?
Ethernet, IP, TCP, HTTP
HTTP, TCP, IP, Ethernet
HTTP, IP, TCP, Ethernet
What statement describes the function of the ARP?
ARP is used to discover the MAC address of any host on the local network
ARP is used to discover the MAC address of any host on a different network
ARP is used to discover the IP address of any host on the local network
What method can be used by two computers to ensure that packets are not dropped because too much data is being sent too quickly?
What is an advantage of network devices using open standard protocols?
A client host and a server running different operating systems can successfully exchange data
Competition and innovation are limited to specific types of products
Internet access can be controlled by a single ISP in each market
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