lecture 2 ali rbc Flashcards

1
Q

تسمّى حزمة البيانات في طبقة
application ?

A

message

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2
Q

which one of these protocol is used in the application layers ?
1- HTTP
2- TCP
3- IP
4- FTP
5- UDP
6- SMTP

A

1- HTTP , 4- FTP , 6- SMTP

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3
Q

is IP protocol used in the transport layer ?

A

no it is not used in this layer

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4
Q

which one of these used in Guaranteed Delivery
?
1- TCP
2- UDP

A

1- TCP

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5
Q

which one of these is faster ?
1- TCP
2- UDP

A

2- UDP

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6
Q

which one of these has no flow control ?
1- TCP
2- UDP

A

2- UDP

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7
Q

which one of these has a Congestion control ?
1- TCP
2- UDP

A

1- TCP

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8
Q

تسمّى حزمة البيانات في طبقة
Transport ?

A

segment

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9
Q

transport layer is used to ?

A

transport the messeges of the application layer between the end-to-end user

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10
Q

تسمّى حزمة البيانات في طبقة
network ?

A

Datagram

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11
Q

تسمّى حزمة البيانات في طبقة
link layer ?

A

frames

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12
Q

which one of these is responseble of transforming the datagram between two host ?
1- application layer
2- trasport layer
3- network layer
4- link layer
5- physical layer

A

3- network layer

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13
Q

which one of these is responseble of transforming the frames between two nodes ?
1- application layer
2- trasport layer
3- network layer
4- link layer
5- physical layer

A

4- link layer

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14
Q

which one of these is responseble of choosing the trasport path ?
1- application layer
2- trasport layer
3- network layer
4- link layer
5- physical layer

A

3- network layer

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15
Q

in network layer we divide the segment into ?
1- frames
2- datagram
3- messeges
4- we don’t divide the segment because it is already small

A

2- datagram

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16
Q

when do we add padding to the frame data ?

A

when the data size is less than 46 Bytes

17
Q

يستعمل حقل المقدمة في بنية ال ؟
frame
1-يقوم بتحديد بداية ال frame
2- يحوي العناوين الفيزيائية للمرسل و المستقبل
3- تنبيه جهازالاستقبال عند وجود frame
4- المزامنة بين المرسل والمتسقبل

A

3- تنبيه جهازالاستقبال عند وجود frame

18
Q

the mac address 06:01:02:2C:4B is ?
1- unicast
2- broadcast
3- multicast

A

because B is 1011 which ends with 1 so it is Multicast