Test
WEEK3-CNM
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Preguntas del test (13)
1Which characteristic is similar between TCP and UDP?
- AOperates at Layer 4 (transport layer) of the OSI model and the TCP/IP stack
- BCapable of performing a very limited form of error checking
- CProvides service on a best-effort basis and does not guarantee packet delivery
- DProvides no special features that recover lost or corrupted packets
- AOperates at Layer 4 (transport layer) of the OSI model and the TCP/IP stack
2When a single computer with one IP address has several websites open at once, this is called _____.
- Awindowing
- Bsession multiplexing
- Csegmenting
- Dconnection-oriented protocol
- Awindowing
3TCP is best for which two of the following applications? (Choose two.)
- AE-mail
- BVoice streaming
- CDownloading
- DVideo streaming
- AE-mail
4Which three of the following characteristics apply to UDP? (Choose three.)
- APackets are treated independently.
- BPacket delivery is guaranteed.
- CPacket delivery is not guaranteed
- DLost or corrupted packets are not resent.
- APackets are treated independently.
5Which two of the following characteristics apply to TCP? (Choose two.)
- APacket delivery is not guaranteed.
- BLost or corrupted packets are not resent.
- CLost or corrupted packets are resent.
- DTCP segment contains a sequence number and an acknowledgment number.
- APacket delivery is not guaranteed.
6Proprietary applications use which kind of port?
- ADynamically assigned ports
- BWell-known ports
- CRegistered ports
- ADynamically assigned ports
7Ports that are used only for the duration of a specific session are called _____.
- Adynamically assigned ports
- Bwell-known ports
- Cregistered ports
- Adynamically assigned ports
8The source port in both a UDP header and a TCP header is a _____.
- A16-bit number of the called port
- B16-bit length of the header
- C16-bit sum of the header and data fields
- D16-bit number of the calling port
- A16-bit number of the called port
9Which field in a TCP header ensures that data arrives in correct order?
- AAcknowledgment number
- BSequence number
- CReserved
- DOptions
- AAcknowledgment number
10In a TCP connection setup, the initiating device sends which message?
- AACK
- BReceive SYN
- CSend SYN
- AACK
11Acknowledgment and windowing are two forms of _____.
- Aflow control
- BTCP connection
- CTCP sequencing
- Dreliable connections
- Aflow control
12Windowing provides which of the following services?
- AThe sender can multiplex.
- BThe receiver can have outstanding acknowledgments.
- CThe receiver can multiplex.
- DThe sender can transmit a specified number of unacknowledged segments.
- AThe sender can multiplex.
13Sequence numbers and acknowledgment numbers are found where?
- AUDP header
- BTCP header
- CInitial sequence number
- DApplication layer
- AUDP header
Información
- Descripción
- Test sobre WEEK3-CNM, creado por tranphuocan0707 el 06/07/2014.
- Autor
- tranphuocan0707
- Idioma
- English
- Visitas
- 13
- Valoración
- Aún sin valoraciones Valora este test