Which of the following layers of the OSI model is the presentation layer?()
第1题:
A.Layer 1
B.Layer 2
C.Layer 6
D.Layer 7
第2题:
A.Session
B.Application
C.Network
D.Physical
第3题:
A.Application
B.Internet
C.Transport
D.Network
E.Data Link
第4题:
A. NBAR examines data in Layers 1 and 4.
B. NBAR examines data in Layers 3 and 4.
C. NetFlow examines data in Layers 3 and 4.
D. NBAR examines data in Layers 2 through 4.
第5题:
You are the Cisco Network Designer in Cisco.com. Which statement is correct regarding NBAR and NetFlow?()
第6题:
An administrator attempts to open a web page and sees the following error: 'Error 404: Page not found'. The administrator then uses the ping command and finds that the default gateway cannot be pinged. At which of the following layers does the problem MOST likely reside?()
第7题:
According to the OSI model, which of the following layers is responsible for providing reliablecommunication?()
第8题:
Transport layer divides a data stream into segments & adds reliability & flow control information
Data link layer adds physical source & destination address & an FCS to the segment
Packets are created when the network layer encapsulate a frame with source & destination host address& protocol related control information
Packets are created when the network layers adds layers 3 address & control information to a segment
The presentation layer translated bits into bits into voltages for transmission across the physical link
第9题:
Application
Internet
Transport
Network
Data Link
第10题:
Applicationlayer
Presentationlayer
Sessionlayer
Transportlayer
Networklayer
Datalinklayer
Physicallayer
第11题:
Layer 1
Layer 2
Layer 6
Layer 7
第12题:
A. Physical
B. Transport
C. Network
D. Data link
第13题:
A.Laye r2
B.Layer 3
C.Layer 5
D.Layer 7
第14题:
A. The application layer
B. The session layer
C. The data link layer
D. The transport layer
E. The network interface layer
F. The physical layer
第15题:
Which of the following layers of the TCP/IP model most closely corresponds to the network layer of the OSI model?()
第16题:
Which three of the following OSI model layers also belong to the TCP/IP model?()
第17题:
At which of the following layers does the UDP protocol operate?()
第18题:
The application layer
The session layer
The data link layer
The transport layer
The network interface layer
The physical layer
第19题:
NetFlow uses five key fields for the flow
NBAR examines data in Layers 3 and 4
NetFlow examines data in Layers 3 and 4
NBAR examines data in Layers 2 through 4
NetFlow examines data in Layers 2 through 4
第20题:
Layer 3
Layer 5
Layer 6
Layer 7
第21题:
NBAR examines data in Layers 1 and 4.
NBAR examines data in Layers 3 and 4.
NetFlow examines data in Layers 3 and 4.
NBAR examines data in Layers 2 through 4.
第22题:
Physical
Transport
Network
Data link