多项选择题

Which three security concerns can be addressed by a tunnel mode IPSec VPN secured by AH?（）(Choose three.)

A. data integrity
B. data confidentiality
C. data authentication
D. outer IP header confidentiality
E. outer IP header authentication

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多项选择题

Users can define policy to control traffic flow between which two components? （）(Choose two.)

A. from a zone to the router itself
B. from a zone to the same zone
C. from a zone to a different zone
D. from one interface to another interface

单项选择题

You are not able to telnet to the interface IP of your JUNOS software with enhanced services devicefrom a PC on the same subnet. What is causing the problem? （）

A. Telnet is not being permitted by self policy.
B. Telnet is not being permitted by security policy.
C. Telnet is not allowed because it is not considered secure.
D. Telnet is not enabled as a host-inbound service on the zone.

多项选择题

Which two statements regarding asymmetric key encryption are true?（） (Choose two.)

A. The same key is used for encryption and decryption.
B. It is commonly used to create digital certificate signatures.
C. It uses two keys: one for encryption and a different key for decryption.
D. An attacker can decrypt data if the attacker captures the key used for encryption.