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Data loss occurs at…
ROUTERS
What do computer network protocols do?
They define FORMAT and the ORDER of messages sent and RECEIVED among network entities.
Which of the following is not a computer network edge?
A router in CSU connecting a CSU LAN to the internet
What does a switch do?
Connect multiple computer to form a LAN
Which is the incorrect one about Fiber Optic Cable?
Zero-error rate
_____ can send a HTTP request, and ______ can send a HTTP response
Firefox, Apache Web Server
Which of the following protocols cannot be used to access email?
SMTP
Which of the following is correct?
Skype uses distributed servers to find the address of a remote party
A process is a program running in a host. Two processes running in two different hosts of the Internet communicate by…
Exchanging messages
Which one is used to compose, edit, and read email messages?
User agents
A process in a computer of the Internet can be uniquely identified by…
IP address and Port number
A process in a computer can send a message via ___ to communicate with the other computers.
socket
True/false: The network layer relies on transport layer services.
FALSE
True/false: With connectionless demultiplexing, IP datagrams with different source IP addresses, but the same source port number, can be directed to the same destination port
FALSE
Is anything reliable?
NO
What can be identified from the transport layer?
A process
In transport layer protocol UDP, UDP Packets…
May be lost or delivered out of order
Note
Flashcard