Card 161
Question
Unicast
Answer
Globally unique network and host portion, typical web traffice, UDP or TCP
Networking test 2
Discover Networking test 2: 222 flashcards with questions and answers.
- Subject
- No category / Others
- Language of creation
- English
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Cards in this set
Card 162
Question
Broadcast
Answer
all 1's in host portion, UDP only, typical for local networks that sharet he same network address prefix
Card 163
Question
Multicast
Answer
restricted to certain address spaces 224.0.0.0/4, hosts must subscribe to see multicast datagrams, all routers along the way must support, UDP only
Card 164
Question
IPv6 world wide routing is based on
Answer
the first 64 bits. The lasdty 64 bits can be used as a local private subnet address but are carried over the internet
Card 165
Question
Network layer is concerned with
Answer
route from one host to another host
Card 166
Question
Transport Layer
Answer
concerned with a connection between tweo processes running at two end systems
Card 167
Question
Data Link Layer is
Answer
concerned about a single-link betweeen one network device to another
Card 168
Question
At the data link layer we call routers and hosts
Answer
nodes that send frames along links
Card 169
Question
Along an IP route you can change
Answer
the L2 protocol based on reliablilty, bandwith, delay, and security
Card 170
Question
Two types of lInk layer channels
Answer
Broadcast and Point to point
Card 171
Question
Possible link layer services
Answer
Framing, access, reliability, flow control, error detection, error correction, half/full duplex
Card 172
Question
Half/full duplex
Answer
Tx/Rx simultaneously or one at a time
Card 173
Question
Flow control throttles
Answer
the sender
Card 174
Question
Where is the link layer protocol implemented
Answer
in adaptor, NIC or ethernet card
Card 175
Question
NIC
Answer
network interface card
Card 176
Question
Tx Adaptoer
Answer
encapsulate datagram in a frame, adds error checking bits
Card 177
Question
Rx Adaptor
Answer
looks for errors, extracts datagram, passes to node
Card 178
Question
NICs are
Answer
local modems which modulate the data into the medium
Card 179
Question
Why is error correction important for layer 2?
Answer
Because errors can happen within the media(bit flips) old hardware
Card 180
Question
EDC
Answer
Error detection and correction
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