Ccna certification Practice Tests

D. Loss

 74.  Which layer 3 protocol is used for marking packets with QoS?

A. DSCP

B. 802.1Q

C. CoS

D. QoE

 75.  You have enabled the SCP server on a switch, but when you try to log in it returns “access 

denied.” Which command must you configure to allow access to the SCP server if your 

username was scpadmin and your password was Sybex?

A. 

Switch(config)#ip scp user scpadmin password Sybex

B. 

Switch(config)#username scpadmin password Sybex

C. 

Switch(config)#username scpadmin privilege-level 15 password Sybex

D. 

Switch(config)#ip scp user scpadmin privilege-level 15 password Sybex

 76.  In a basic VLAN hopping attack, which switch feature do attackers take advantage of?