Which of the following Keys in HTTP heads are related to cache control? (the number of correct answers: 3)

ACache-Control

BDate

CAge

DExpires

EHost

Answer : C, E

18.in RedHat Linux shell which command can be used to check what file system is mounted and form what disk device it was done?

APpart

BFdisk

CDu

Dmount

Answer : D

Using RAM, Alibaba Cloud users can create and manage user accounts and control the operation

permissions these user accounts possess for resources under your account. Which of the following

descriptions of a RAM usage scenario is NOT correct?

AEnterprise sub-account management and permission assignment

BResource operation and authorization management between enterprises

CTemporary authorization management for untrusted client apps

DPrevention of network attacks on enterprises

Answer : D

In making cloud accounts more secure, which of the following is NOT a guiding principle?

AAnonymous logins

BLogin verification

CAccount permissions

DAuthorization distribution

Answer : A

Alibaba Cloud offers different security protection plans to different tenant accounts. Which of the

following is NOT a security plan offered by Alibaba Cloud?

APassword-free login

BTwo-factor authentication

CPhone number binding

DPhone or email verification for password resetting

Answer : A

Free Practice Questions for Alibaba ACA-Sec1 Exam