CCNA Data Center Practice Test Results

Question 1
33% answer correctly
In an IEEE 802.3 Ethernet frame, what is the significance of the DSAP field?
The DSAP field indicates the network layer protocol.
The DSAP field is only used on United States Department of Defense networks to indicate the information classification level.
The DSAP field is only used in Ethernet II frames.
The DSAP field specifies the TCP or UDP port that is associated with the transport protocol.
Question 2
27% answer correctly
Which field in an Ethernet II frame performs the same function as the DSAP field in an 802.3 Ethernet frame?
Subnetwork Access Protocol
Frame Check Sequence
Logical Link Control
Start of Frame
EtherType
Question 3
66% answer correctly
What is the subnet mask for the network 172.16.0.0/21?
255.255.255.240
255.255.248.240
255.255.248.0
255.255.0.0
255.255.255.248
255.255.255.0