Card 201
Question
Polling
Answer
MAC with turn taking, a parent node tells the child nodes when to transmit. More overhead, latency, and if the parent goes down, it all goes down
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 202
Question
Token passing
Answer
MAC, turn taking, token holder transmits until it can't, then passes the token
Card 203
Question
broadcast lan address
Answer
FF-FF-FF-FF-FF-FF
Card 204
Question
what layer is between hosts and networks
Answer
Network layer
Card 205
Question
what layer is between adapters
Answer
data link layer
Card 206
Question
do Ips or MACs move with the NIC
Answer
MACs
Card 207
Question
ARP table is built by
Answer
each network device
Card 208
Question
Why ARPtable
Answer
to know the MAC address of an IP address on the LAN
Card 209
Question
An ARP table is like a
Answer
street sign that direcets traffic based on MAC address
Card 210
Question
An ARP table knows
Answer
the MAC address of an IP address on the LAN
Card 211
Question
A Frame consists of
Answer
preamble, Dest Add, srce Address, Next protocol type, data, CRC
Card 212
Question
Ethernet is
Answer
connectionless, unreliable, CSMA/CD
Card 213
Question
Ethernet functions
Answer
Switch, Hub
Card 214
Question
What is a switch
Answer
selectively forward frames(like a router for frames)
Card 215
Question
What does a switch do
Answer
Store and forward, examines frame header. Transparent to hosts(no tracerout or ping). Maintains a switching table(like an ARP but no IP addresses). Act as filters
Card 216
Question
What is a Hub
Answer
a repeater( forwards out of all ports except receiving port
Card 217
Question
Does a hub store and forward or read frame headers
Answer
no
Card 218
Question
How does a host learn a MAC address
Answer
Uses the MAC broadcast address(48 1's) until it knows the IP address. Then ARP reqeust to discover the MAC address associated with the IP address
Card 219
Question
When do you program sockets
Answer
when you are writing networking applications
Card 220
Question
Sockets are
Answer
a networking construct that interface with the application and the local operating system networking functions
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