What are PAC files used for？（） 

单项选择题Intheaccesslog，whatdoesanACLtagbeginningwithBLOCK_ADMINindicate？（）

A. the destination was manually added to the block list
B. the malware category is set to blocking mode
C. the transaction was blocked because of application or object properties
D. the transaction was manually blocked by the administrative user

单项选择题Whichofthesecannotbeusedindefiningpolicies？（）

A.time of day
B.user agent
C.proxy port
D.usage quotas

单项选择题WhatdoestheappearanceoftheACLtagBLOCK_WBRSintheaccesslogmean？（）

A. the proxy blocked an outbound request because the client is infected with malware
B. the proxy blocked access to a site with a low reputation score
C. the proxy blocked access to a site because of a suspicious server response
D. your appliance or the WBRS key is out of support

单项选择题WhichstatementaboutHTTPSdecryptionontheWSAistrue？（）

A.if enabled， all HTTPS traffic must be decrypted
B.if WBRS is enabled， it can be used to determine whether the HTTPS traffic is to be decrypted
C.decrypted HTTPS traffic is sent unencrypted across the enterprise intranet
D.object size can be used to determine whether the HTTPS traffic is to be decrypted

单项选择题WhichstatementabouttheDVSengineistrue？（）

A.the DVS engine can useWebroot and McAfee scanning in parallel
B.the DVS engine generates the WBRS
C.the DVS engine never inspects the client HTTP request
D.the DVS engine is only used for Layer 4 traffic monitoring