Network Communications Standards & Protocols Flashcards
1
Q
- agreed upon rules (by industry authorities)
- ensure hardware & software produced by diff. Company can work together
A
Standards
2
Q
- Set of rules
- How 2 devices communicate
- over a computer network
A
Protocol
3
Q
- Data sequencing
- data routing
- flow control
- error control
- connection establishment & termination
A
Protocol functions
4
Q
- Breaking long message → smaller packets ( fixed size )
- method of numbering → detect loss / duplication of packets ; correctly identify packets.
A
Data sequencing
5
Q
- Most efficient path between source & destination
A
Data routing
6
Q
- prevents fast sender from overwhelming a slow receiver
- ensures resources sharing & protection against traffic congestion
A
Flow control
7
Q
- Design to detect errors (in messages) ; ensures transmission of correct messages
A
Error control
8
Q
- Define now connections are established, maintained & terminated
- when a nodes of network want to communicate
A
Connection establishment & termination
9
Q
How do you send data over Internet ?
A
TCP/IP
- Transmission Control Protocol (allows network & internet to work tgtr )
- Internet protocol ( needed when internet is involved )
10
Q
Use of POP, IMAP
A
- To send & receive email
- post office protocol
- internet message access protocol
11
Q
Use of http
A
- Request and deliver web pages
→ Hypertext Transfer protocol
12
Q
Use of FTP
A
- To request & deliver files
→ files transfer protocol
13
Q
→ A network protocol that defines how messages (data) are routed
→ allows one computer to talk to another computer via internet
A
TCP/IP
14
Q
Can access or connect to a network using radio waves (no need wires)
A
Wi-Fi (wireless fidelity )
15
Q
→ a network standard ; specifies how 2 UWB devices ; short -range radio waves to communicate @ ↑ speeds
A
UWB → ultra-wideband
