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 specifies the TCP or UDP port that is associated with the transport 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 indicates the network layer 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?
EtherType
Subnetwork Access Protocol
Start of Frame
Frame Check Sequence
Logical Link Control
Question 3
66% answer correctly
What is the subnet mask for the network 172.16.0.0/21?
255.255.255.248
255.255.0.0
255.255.255.240
255.255.248.240
255.255.248.0
255.255.255.0