单项选择题
Which component of VPN technology ensures that data can be read only by its intended recipient?（）
A. data integrity
B. encryption
C. key exchange
D. authentication
点击查看答案
相关考题
-
单项选择题
An administrator attempts a traceroute but receives a "Destination Unreadable" message. Which protocol is responsible for that message?（）
A. RARP
B. RUDP
C. ICMP
D. SNMP -
单项选择题
When a host transmits data across a network to another host, which process does the data go through?（）
A. standardization
B. conversion
C. encapsulation
D. synchronization -
单项选择题
A network admin wants to know every hop the packets take when he accesses cisco.com. Which command is the most appropriate to use?（）
A. path cisco.com
B. debug cisco.com
C. trace cisco.com
D. traceroute cisco.com
