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CCNA - Lammel Ch. 1
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Terms in this set (26)
What controls the Windows size?
The receiving host controls the window size using flow control
What device(s) would you use to enlarge a single collision domain?
A hub and repeater
What does the transport layer receive from upper layers?
Large data streams
What functions do routers provide?
Packet switching, packet filtering, internetwork communication, and path selection.
What is the order of data encapsulation?
Transport - Segmentation, Network - Packets, Data link - Frame, Physical - bits
Differences between half and full-duplex?
Half-duplex works in a shared collision domain and has lower bandwidth.
What does adding switches to a LAN do?
Reduces LAN congestion
What does a reliable transport layer connection use?
Virtual circuit consisting of Acknowledgements, sequencing, and flow control.
What are the common types of flow control?
Buffering, Windowing, and congestion avoidance
How does full-duplex operate and what is required?
Operates using both wire pairs to send/receive data simultaneously. Requires a dedicated switch port(no collisions), network card & switch port must be full-duplex capable
What three modes of communication does the session layer use?
Simplex, half duplex, and full duplex
This device uses hardware addresses to filter a network.
Bridge or switch
Ethernet is defined at these layers.
Data Link and Physical
This device can measure the distance to a remote network.
This device creates many smaller collision domains, but the network is still one large broadcast domain.
Switch or bridge
This device can never run full duplex.
This device breaks up collision domains and broadcast domains.
What three port device has: three collision domains, three broadcast domains?
What four port device has: four collision domains, one broadcast domain?
What two port device has: two collision domains, one broadcast domain?
What device has only one collision domain, one broadcast domain?
What is the application layer responsible for?
Finding the network resources broadcast from a server and adding flow control and error control
What layer ensures the data is in a readable format for the application layer?
What layer sets up, maintains, and terminates sessions between applications.
What are PDUs?
Protocol Data Unit, the actual encapsulation type at each layer ie, frame, segmet, etc.
What is the bit length and expression form of a MAC address?
48 bits (6 bytes) expressed as a hexadecimal number
THIS SET IS OFTEN IN FOLDERS WITH...
CCNA - Lammel Ch. 2
CCNA - Lammel Ch. 3
CCNA 4 : Chapter 1: Hierarchical Network Design
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