CCNA 1 CHAPTER 3 MIDTERM
At which layer of the OSI model would a physical address be encapsulated?
data link layer
hich logical address is used for delivery of data to a remote network?
destination IP address
Which address does a NIC use when deciding whether to accept a frame?
destination MAC address
What process is used to place one message inside another message for transfer from the source to the destination?
encapsulation
What method can be used by two computers to ensure that packets are not dropped because too much data is being sent too quickly?
flow control
Which PDU format is used when bits are received from the network medium by the NIC of a host?
frame
What is the general term that is used to describe a piece of data at any layer of a networking model?
protocol data unit (PTU)
What are proprietary protocols?
protocols developed by organizations who have control over their definition and operation
If the default gateway is configured incorrectly on the host, what is the impact on communications?
The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.
Refer to the exhibit. If Host1 were to transfer a file to the server, what layers of the TCP/IP model would be used? (image of router 1-router2-ISP 2 switches , host, server
(ATIN) application, transport, Internet network access layers
What three application layer protocols are part of the TCP/IP protocol suite? (Choose three.)
1.DHCP 2.DNS 3.FTP
Which three acronyms/initialisms represent standards organizations? (Choose three.)
1.IANA 2.IEEE 3.IETF
Which three layers of the OSI model are comparable in function to the application layer of the TCP/IP model? (Choose three.)
1.application 2.presentation 3.session
What three requirements are defined by the protocols used in network communcations to allow message transmission across a network? (Choose three.)
1.message encoding 2.message size 3.Delivery options
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.
Refer to the exhibit. HostA is attempting to contact ServerB. Which two statements correctly describe the addressing that HostA will generate in the process? (Choose two.)
A frame with the destination MAC address of RouterA. A packet with the destination IP address of ServerB.
.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?
HTTP, TCP, IP, Ethernet
This organization is responsible for overseeing and managing IP address allocation, domain name management, and protocol identifiers
IANA (internet assigned numbers authority)
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
ISO (international organization for standardization
This organization promotes the open development, evolution, and use of the internet throughout the world
ISOC (inter-nation society of cultures)
The MAC address of a PC does not change when the PC is moved to a different network because the MAC address is embedded in the ______________ of the PC.
NIC network interface card
What is an advantage of using standards to develop and implement protocols?
Products from different manufacturers can interoperate successfully.
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.
What will happen if the default gateway address is incorrectly configured on a host?
The host cannot communicate with hosts in other networks.
Which statement is correct about network protocols?
They define how messages are exchanged between the source and the destination.
Why are open standards important in the data communications industry?
They enable interoperability between software and hardware from different vendors
matching governing the way a web server and web client interact
application protocol
What type of communication will send a message to all devices on a local area network?
broadcast
Which message delivery option is used when all devices need to receive the same message simultaneously?
broadcast
What layer of the TCP/IP protocol model determines the best path through the network?
internet
matching taking the segments from the transport protocol, encapulizing them into packets, and assigning them with appropriate address
internet protocol
What type of delivery uses data link layer addresses?
local delivery
matching the process of placing one message format inside another message format
message encapsulation
Matching the process of converting from one format into another acceptable for transmission
message encoding
Matching the process of breaking up a long message into individual pieces beofre being sent over the network
message sizing
What type of message is sent to a specific group of hosts?
multicast
matching preparing packets to be transmitted over the network media
network access protocol
At which layer of the OSI model would a logical address be encapsulated?
network layer
What is the purpose of protocols in data communications?
providing the rules required for a specific type of communication to occur
Which PDU is processed when a host computer is de-encapsulating a message at the transport layer of the TCP/IP model?
segment
Which characteristic describes the default gateway of a host computer?
the logical address of the router interface on the same network as the host computer
Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices?
transport layer
matching managing the individual conversations between web server and web clients
transport protocol